/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-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy10.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 13:45:11,027 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 13:45:11,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 13:45:11,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 13:45:11,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 13:45:11,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 13:45:11,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 13:45:11,068 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 13:45:11,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 13:45:11,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 13:45:11,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 13:45:11,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 13:45:11,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 13:45:11,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 13:45:11,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 13:45:11,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 13:45:11,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 13:45:11,087 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 13:45:11,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 13:45:11,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 13:45:11,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 13:45:11,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 13:45:11,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 13:45:11,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 13:45:11,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-11 13:45:11,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 13:45:11,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 13:45:11,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 13:45:11,103 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 13:45:11,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 13:45:11,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 13:45:11,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 13:45:11,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 13:45:11,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 13:45:11,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 13:45:11,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 13:45:11,106 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-RepeatedSemanticLbe.epf [2021-06-11 13:45:11,126 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 13:45:11,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 13:45:11,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 13:45:11,127 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 13:45:11,127 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 13:45:11,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 13:45:11,128 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 13:45:11,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 13:45:11,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 13:45:11,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 13:45:11,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 13:45:11,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 13:45:11,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 13:45:11,128 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 13:45:11,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 13:45:11,128 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 13:45:11,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 13:45:11,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 13:45:11,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 13:45:11,129 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 13:45:11,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 13:45:11,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 13:45:11,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 13:45:11,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 13:45:11,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 13:45:11,129 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 13:45:11,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 13:45:11,130 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 13:45:11,130 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 13:45:11,130 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 13:45:11,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 13:45:11,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 13:45:11,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 13:45:11,373 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-11 13:45:11,378 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-11 13:45:11,378 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy10.wvr.bpl [2021-06-11 13:45:11,379 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy10.wvr.bpl' [2021-06-11 13:45:11,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 13:45:11,406 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-11 13:45:11,408 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 13:45:11,408 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 13:45:11,408 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 13:45:11,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 01:45:11" (1/1) ... [2021-06-11 13:45:11,422 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 01:45:11" (1/1) ... [2021-06-11 13:45:11,428 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 13:45:11,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 13:45:11,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 13:45:11,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 13:45:11,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 01:45:11" (1/1) ... [2021-06-11 13:45:11,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 01:45:11" (1/1) ... [2021-06-11 13:45:11,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 01:45:11" (1/1) ... [2021-06-11 13:45:11,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 01:45:11" (1/1) ... [2021-06-11 13:45:11,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 01:45:11" (1/1) ... [2021-06-11 13:45:11,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 01:45:11" (1/1) ... [2021-06-11 13:45:11,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 01:45:11" (1/1) ... [2021-06-11 13:45:11,447 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 13:45:11,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 13:45:11,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 13:45:11,448 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 13:45:11,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 01:45:11" (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 [2021-06-11 13:45:11,508 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-11 13:45:11,508 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-11 13:45:11,509 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-11 13:45:11,509 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-11 13:45:11,509 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-11 13:45:11,510 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-11 13:45:11,510 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-11 13:45:11,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 13:45:11,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 13:45:11,510 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-11 13:45:11,510 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-11 13:45:11,510 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-11 13:45:11,510 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-11 13:45:11,511 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-11 13:45:11,511 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-11 13:45:11,511 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-11 13:45:11,695 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 13:45:11,695 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-11 13:45:11,696 INFO L202 PluginConnector]: Adding new model easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 01:45:11 BoogieIcfgContainer [2021-06-11 13:45:11,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 13:45:11,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 13:45:11,697 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 13:45:11,699 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 13:45:11,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 01:45:11" (1/2) ... [2021-06-11 13:45:11,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de1207d and model type easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 01:45:11, skipping insertion in model container [2021-06-11 13:45:11,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 01:45:11" (2/2) ... [2021-06-11 13:45:11,701 INFO L111 eAbstractionObserver]: Analyzing ICFG easy10.wvr.bpl [2021-06-11 13:45:11,705 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 13:45:11,722 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-06-11 13:45:11,723 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 13:45:11,781 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-11 13:45:11,800 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-06-11 13:45:11,814 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 13:45:11,815 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 13:45:11,815 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 13:45:11,815 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 13:45:11,815 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 13:45:11,815 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 13:45:11,815 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 13:45:11,815 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 13:45:11,826 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 45 transitions, 122 flow [2021-06-11 13:45:11,866 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-06-11 13:45:11,866 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-06-11 13:45:11,867 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 41 events. 0/41 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 86 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-06-11 13:45:11,868 INFO L82 GeneralOperation]: Start removeDead. Operand has 58 places, 45 transitions, 122 flow [2021-06-11 13:45:11,874 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 52 places, 39 transitions, 102 flow [2021-06-11 13:45:11,875 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:45:11,888 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 39 transitions, 102 flow [2021-06-11 13:45:11,894 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 39 transitions, 102 flow [2021-06-11 13:45:11,896 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 39 transitions, 102 flow [2021-06-11 13:45:11,920 INFO L129 PetriNetUnfolder]: 0/39 cut-off events. [2021-06-11 13:45:11,920 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-06-11 13:45:11,920 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 39 events. 0/39 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 84 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-06-11 13:45:11,922 INFO L151 LiptonReduction]: Number of co-enabled transitions 756 [2021-06-11 13:45:11,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:11,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:12,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:12,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:12,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:12,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:12,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:12,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:12,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:12,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:12,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:12,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:12,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:12,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:12,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:12,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:12,412 INFO L163 LiptonReduction]: Checked pairs total: 936 [2021-06-11 13:45:12,412 INFO L165 LiptonReduction]: Total number of compositions: 13 [2021-06-11 13:45:12,417 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 543 [2021-06-11 13:45:12,432 INFO L129 PetriNetUnfolder]: 0/25 cut-off events. [2021-06-11 13:45:12,432 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-06-11 13:45:12,432 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:45:12,433 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] [2021-06-11 13:45:12,433 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:45:12,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:45:12,438 INFO L82 PathProgramCache]: Analyzing trace with hash 282617581, now seen corresponding path program 1 times [2021-06-11 13:45:12,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:45:12,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402316612] [2021-06-11 13:45:12,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:45:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:45:12,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:12,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-06-11 13:45:12,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:12,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:12,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:45:12,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402316612] [2021-06-11 13:45:12,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:45:12,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 13:45:12,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525830672] [2021-06-11 13:45:12,534 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 13:45:12,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:45:12,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 13:45:12,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 13:45:12,543 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 58 [2021-06-11 13:45:12,544 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 26 transitions, 76 flow. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:12,545 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:45:12,545 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 58 [2021-06-11 13:45:12,545 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:45:12,561 INFO L129 PetriNetUnfolder]: 1/30 cut-off events. [2021-06-11 13:45:12,561 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-06-11 13:45:12,562 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 30 events. 1/30 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 1 based on Foata normal form. 1/30 useless extension candidates. Maximal degree in co-relation 33. Up to 6 conditions per place. [2021-06-11 13:45:12,563 INFO L132 encePairwiseOnDemand]: 55/58 looper letters, 2 selfloop transitions, 2 changer transitions 0/26 dead transitions. [2021-06-11 13:45:12,563 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 26 transitions, 84 flow [2021-06-11 13:45:12,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 13:45:12,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 13:45:12,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 155 transitions. [2021-06-11 13:45:12,571 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8908045977011494 [2021-06-11 13:45:12,571 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 155 transitions. [2021-06-11 13:45:12,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 155 transitions. [2021-06-11 13:45:12,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:45:12,573 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 155 transitions. [2021-06-11 13:45:12,575 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:12,577 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:12,578 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:12,579 INFO L185 Difference]: Start difference. First operand has 39 places, 26 transitions, 76 flow. Second operand 3 states and 155 transitions. [2021-06-11 13:45:12,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 26 transitions, 84 flow [2021-06-11 13:45:12,581 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 26 transitions, 68 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-06-11 13:45:12,582 INFO L241 Difference]: Finished difference. Result has 34 places, 26 transitions, 68 flow [2021-06-11 13:45:12,583 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=58, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=34, PETRI_TRANSITIONS=26} [2021-06-11 13:45:12,584 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, -5 predicate places. [2021-06-11 13:45:12,584 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:45:12,584 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 26 transitions, 68 flow [2021-06-11 13:45:12,584 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 26 transitions, 68 flow [2021-06-11 13:45:12,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 26 transitions, 68 flow [2021-06-11 13:45:12,588 INFO L129 PetriNetUnfolder]: 0/26 cut-off events. [2021-06-11 13:45:12,588 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 13:45:12,588 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 26 events. 0/26 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 48 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-06-11 13:45:12,589 INFO L151 LiptonReduction]: Number of co-enabled transitions 280 [2021-06-11 13:45:12,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:12,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:12,624 INFO L163 LiptonReduction]: Checked pairs total: 508 [2021-06-11 13:45:12,624 INFO L165 LiptonReduction]: Total number of compositions: 1 [2021-06-11 13:45:12,624 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 40 [2021-06-11 13:45:12,625 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 25 transitions, 66 flow [2021-06-11 13:45:12,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:12,625 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:45:12,625 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] [2021-06-11 13:45:12,626 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-11 13:45:12,626 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:45:12,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:45:12,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1092250881, now seen corresponding path program 2 times [2021-06-11 13:45:12,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:45:12,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121928040] [2021-06-11 13:45:12,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:45:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:45:12,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:12,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-06-11 13:45:12,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:12,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:12,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:45:12,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121928040] [2021-06-11 13:45:12,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:45:12,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 13:45:12,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895890584] [2021-06-11 13:45:12,645 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 13:45:12,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:45:12,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 13:45:12,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 13:45:12,646 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 59 [2021-06-11 13:45:12,646 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 25 transitions, 66 flow. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:12,647 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:45:12,647 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 59 [2021-06-11 13:45:12,647 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:45:12,654 INFO L129 PetriNetUnfolder]: 1/29 cut-off events. [2021-06-11 13:45:12,654 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 13:45:12,655 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 29 events. 1/29 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 61 event pairs, 1 based on Foata normal form. 1/30 useless extension candidates. Maximal degree in co-relation 31. Up to 6 conditions per place. [2021-06-11 13:45:12,655 INFO L132 encePairwiseOnDemand]: 56/59 looper letters, 2 selfloop transitions, 2 changer transitions 0/25 dead transitions. [2021-06-11 13:45:12,655 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 25 transitions, 74 flow [2021-06-11 13:45:12,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 13:45:12,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 13:45:12,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 158 transitions. [2021-06-11 13:45:12,656 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8926553672316384 [2021-06-11 13:45:12,657 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 158 transitions. [2021-06-11 13:45:12,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 158 transitions. [2021-06-11 13:45:12,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:45:12,657 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 158 transitions. [2021-06-11 13:45:12,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:12,659 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 59.0) internal successors, (236), 4 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:12,659 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 59.0) internal successors, (236), 4 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:12,659 INFO L185 Difference]: Start difference. First operand has 33 places, 25 transitions, 66 flow. Second operand 3 states and 158 transitions. [2021-06-11 13:45:12,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 25 transitions, 74 flow [2021-06-11 13:45:12,659 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 25 transitions, 70 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 13:45:12,660 INFO L241 Difference]: Finished difference. Result has 34 places, 25 transitions, 70 flow [2021-06-11 13:45:12,660 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=70, PETRI_PLACES=34, PETRI_TRANSITIONS=25} [2021-06-11 13:45:12,660 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, -5 predicate places. [2021-06-11 13:45:12,661 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:45:12,661 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 25 transitions, 70 flow [2021-06-11 13:45:12,661 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 25 transitions, 70 flow [2021-06-11 13:45:12,661 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 25 transitions, 70 flow [2021-06-11 13:45:12,664 INFO L129 PetriNetUnfolder]: 0/25 cut-off events. [2021-06-11 13:45:12,665 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 13:45:12,665 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 25 events. 0/25 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 44 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-06-11 13:45:12,665 INFO L151 LiptonReduction]: Number of co-enabled transitions 246 [2021-06-11 13:45:12,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:12,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:12,693 INFO L163 LiptonReduction]: Checked pairs total: 288 [2021-06-11 13:45:12,693 INFO L165 LiptonReduction]: Total number of compositions: 1 [2021-06-11 13:45:12,693 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 32 [2021-06-11 13:45:12,694 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 24 transitions, 68 flow [2021-06-11 13:45:12,694 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:12,694 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:45:12,694 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] [2021-06-11 13:45:12,694 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-11 13:45:12,695 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:45:12,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:45:12,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1271634261, now seen corresponding path program 1 times [2021-06-11 13:45:12,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:45:12,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280096735] [2021-06-11 13:45:12,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:45:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:45:12,821 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:45:12,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:12,832 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:45:12,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:12,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:12,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:12,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:12,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:12,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:12,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:12,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:12,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:12,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:12,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:12,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:12,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:12,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:12,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:12,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:12,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:12,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:12,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:12,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:12,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:12,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:12,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:13,000 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-06-11 13:45:13,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:45:13,026 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-06-11 13:45:13,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:45:13,051 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 13:45:13,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:13,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:45:13,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280096735] [2021-06-11 13:45:13,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:45:13,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-11 13:45:13,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765517186] [2021-06-11 13:45:13,056 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 13:45:13,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:45:13,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 13:45:13,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-06-11 13:45:13,060 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 60 [2021-06-11 13:45:13,060 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 24 transitions, 68 flow. Second operand has 15 states, 15 states have (on average 27.133333333333333) internal successors, (407), 15 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:13,061 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:45:13,061 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 60 [2021-06-11 13:45:13,061 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:45:14,048 INFO L129 PetriNetUnfolder]: 945/1464 cut-off events. [2021-06-11 13:45:14,049 INFO L130 PetriNetUnfolder]: For 205/205 co-relation queries the response was YES. [2021-06-11 13:45:14,051 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3282 conditions, 1464 events. 945/1464 cut-off events. For 205/205 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 6486 event pairs, 514 based on Foata normal form. 1/1462 useless extension candidates. Maximal degree in co-relation 3214. Up to 1109 conditions per place. [2021-06-11 13:45:14,058 INFO L132 encePairwiseOnDemand]: 44/60 looper letters, 47 selfloop transitions, 69 changer transitions 3/127 dead transitions. [2021-06-11 13:45:14,058 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 127 transitions, 566 flow [2021-06-11 13:45:14,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-11 13:45:14,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-06-11 13:45:14,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 744 transitions. [2021-06-11 13:45:14,062 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5166666666666667 [2021-06-11 13:45:14,062 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 744 transitions. [2021-06-11 13:45:14,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 744 transitions. [2021-06-11 13:45:14,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:45:14,063 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 744 transitions. [2021-06-11 13:45:14,065 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 31.0) internal successors, (744), 24 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:14,068 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 60.0) internal successors, (1500), 25 states have internal predecessors, (1500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:14,068 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 60.0) internal successors, (1500), 25 states have internal predecessors, (1500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:14,068 INFO L185 Difference]: Start difference. First operand has 33 places, 24 transitions, 68 flow. Second operand 24 states and 744 transitions. [2021-06-11 13:45:14,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 127 transitions, 566 flow [2021-06-11 13:45:14,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 127 transitions, 540 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 13:45:14,072 INFO L241 Difference]: Finished difference. Result has 63 places, 93 transitions, 450 flow [2021-06-11 13:45:14,072 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=450, PETRI_PLACES=63, PETRI_TRANSITIONS=93} [2021-06-11 13:45:14,072 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 24 predicate places. [2021-06-11 13:45:14,072 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:45:14,072 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 93 transitions, 450 flow [2021-06-11 13:45:14,073 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 93 transitions, 450 flow [2021-06-11 13:45:14,073 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 93 transitions, 450 flow [2021-06-11 13:45:14,093 INFO L129 PetriNetUnfolder]: 236/490 cut-off events. [2021-06-11 13:45:14,094 INFO L130 PetriNetUnfolder]: For 121/121 co-relation queries the response was YES. [2021-06-11 13:45:14,095 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1147 conditions, 490 events. 236/490 cut-off events. For 121/121 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2582 event pairs, 65 based on Foata normal form. 0/473 useless extension candidates. Maximal degree in co-relation 1077. Up to 343 conditions per place. [2021-06-11 13:45:14,098 INFO L151 LiptonReduction]: Number of co-enabled transitions 398 [2021-06-11 13:45:14,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:14,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:14,142 INFO L163 LiptonReduction]: Checked pairs total: 3 [2021-06-11 13:45:14,143 INFO L165 LiptonReduction]: Total number of compositions: 1 [2021-06-11 13:45:14,143 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 71 [2021-06-11 13:45:14,143 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 93 transitions, 450 flow [2021-06-11 13:45:14,144 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 27.133333333333333) internal successors, (407), 15 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:14,144 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:45:14,144 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] [2021-06-11 13:45:14,144 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-11 13:45:14,144 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:45:14,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:45:14,144 INFO L82 PathProgramCache]: Analyzing trace with hash -1508065079, now seen corresponding path program 1 times [2021-06-11 13:45:14,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:45:14,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331892275] [2021-06-11 13:45:14,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:45:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:45:14,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:14,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-06-11 13:45:14,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:14,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:14,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:45:14,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331892275] [2021-06-11 13:45:14,157 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:45:14,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 13:45:14,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385125884] [2021-06-11 13:45:14,157 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 13:45:14,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:45:14,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 13:45:14,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 13:45:14,158 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 61 [2021-06-11 13:45:14,158 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 93 transitions, 450 flow. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:14,158 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:45:14,158 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 61 [2021-06-11 13:45:14,159 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:45:14,188 INFO L129 PetriNetUnfolder]: 245/494 cut-off events. [2021-06-11 13:45:14,189 INFO L130 PetriNetUnfolder]: For 222/222 co-relation queries the response was YES. [2021-06-11 13:45:14,190 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1207 conditions, 494 events. 245/494 cut-off events. For 222/222 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 2518 event pairs, 103 based on Foata normal form. 18/504 useless extension candidates. Maximal degree in co-relation 1191. Up to 356 conditions per place. [2021-06-11 13:45:14,192 INFO L132 encePairwiseOnDemand]: 57/61 looper letters, 6 selfloop transitions, 14 changer transitions 0/76 dead transitions. [2021-06-11 13:45:14,192 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 76 transitions, 413 flow [2021-06-11 13:45:14,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 13:45:14,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 13:45:14,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 162 transitions. [2021-06-11 13:45:14,193 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8852459016393442 [2021-06-11 13:45:14,193 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 162 transitions. [2021-06-11 13:45:14,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 162 transitions. [2021-06-11 13:45:14,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:45:14,194 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 162 transitions. [2021-06-11 13:45:14,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:14,194 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:14,194 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:14,194 INFO L185 Difference]: Start difference. First operand has 61 places, 93 transitions, 450 flow. Second operand 3 states and 162 transitions. [2021-06-11 13:45:14,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 76 transitions, 413 flow [2021-06-11 13:45:14,198 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 76 transitions, 403 flow, removed 5 selfloop flow, removed 1 redundant places. [2021-06-11 13:45:14,199 INFO L241 Difference]: Finished difference. Result has 60 places, 76 transitions, 409 flow [2021-06-11 13:45:14,199 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=363, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=409, PETRI_PLACES=60, PETRI_TRANSITIONS=76} [2021-06-11 13:45:14,199 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 21 predicate places. [2021-06-11 13:45:14,199 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:45:14,199 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 76 transitions, 409 flow [2021-06-11 13:45:14,200 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 76 transitions, 409 flow [2021-06-11 13:45:14,200 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 76 transitions, 409 flow [2021-06-11 13:45:14,216 INFO L129 PetriNetUnfolder]: 163/351 cut-off events. [2021-06-11 13:45:14,216 INFO L130 PetriNetUnfolder]: For 140/140 co-relation queries the response was YES. [2021-06-11 13:45:14,217 INFO L84 FinitePrefix]: Finished finitePrefix Result has 934 conditions, 351 events. 163/351 cut-off events. For 140/140 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1717 event pairs, 74 based on Foata normal form. 0/343 useless extension candidates. Maximal degree in co-relation 880. Up to 248 conditions per place. [2021-06-11 13:45:14,219 INFO L151 LiptonReduction]: Number of co-enabled transitions 282 [2021-06-11 13:45:14,225 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:45:14,226 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:45:14,226 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27 [2021-06-11 13:45:14,226 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 76 transitions, 409 flow [2021-06-11 13:45:14,226 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:14,226 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:45:14,227 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:45:14,227 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-11 13:45:14,227 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:45:14,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:45:14,227 INFO L82 PathProgramCache]: Analyzing trace with hash -1383199603, now seen corresponding path program 2 times [2021-06-11 13:45:14,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:45:14,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209675982] [2021-06-11 13:45:14,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:45:14,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:45:14,260 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:45:14,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:14,264 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:45:14,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:14,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:14,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:14,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:14,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:14,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:14,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:14,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:14,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:45:14,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:14,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:14,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:14,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:14,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:14,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:14,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:14,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:45:14,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:14,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:14,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:14,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:45:14,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:14,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:45:14,411 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-06-11 13:45:14,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:45:14,431 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 13:45:14,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:14,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:45:14,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209675982] [2021-06-11 13:45:14,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:45:14,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-06-11 13:45:14,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081084300] [2021-06-11 13:45:14,434 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-11 13:45:14,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:45:14,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-11 13:45:14,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2021-06-11 13:45:14,436 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 61 [2021-06-11 13:45:14,436 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 76 transitions, 409 flow. Second operand has 16 states, 16 states have (on average 27.0) internal successors, (432), 16 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:14,436 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:45:14,436 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 61 [2021-06-11 13:45:14,436 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:45:15,681 INFO L129 PetriNetUnfolder]: 755/1214 cut-off events. [2021-06-11 13:45:15,681 INFO L130 PetriNetUnfolder]: For 1413/1421 co-relation queries the response was YES. [2021-06-11 13:45:15,684 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4376 conditions, 1214 events. 755/1214 cut-off events. For 1413/1421 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 5331 event pairs, 216 based on Foata normal form. 7/1219 useless extension candidates. Maximal degree in co-relation 4300. Up to 921 conditions per place. [2021-06-11 13:45:15,689 INFO L132 encePairwiseOnDemand]: 45/61 looper letters, 93 selfloop transitions, 90 changer transitions 6/197 dead transitions. [2021-06-11 13:45:15,689 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 197 transitions, 1382 flow [2021-06-11 13:45:15,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-11 13:45:15,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-06-11 13:45:15,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 977 transitions. [2021-06-11 13:45:15,692 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5005122950819673 [2021-06-11 13:45:15,692 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 977 transitions. [2021-06-11 13:45:15,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 977 transitions. [2021-06-11 13:45:15,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:45:15,692 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 977 transitions. [2021-06-11 13:45:15,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 30.53125) internal successors, (977), 32 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:15,696 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 61.0) internal successors, (2013), 33 states have internal predecessors, (2013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:15,697 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 61.0) internal successors, (2013), 33 states have internal predecessors, (2013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:15,697 INFO L185 Difference]: Start difference. First operand has 60 places, 76 transitions, 409 flow. Second operand 32 states and 977 transitions. [2021-06-11 13:45:15,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 197 transitions, 1382 flow [2021-06-11 13:45:15,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 197 transitions, 1338 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 13:45:15,705 INFO L241 Difference]: Finished difference. Result has 100 places, 161 transitions, 1079 flow [2021-06-11 13:45:15,705 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=381, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=1079, PETRI_PLACES=100, PETRI_TRANSITIONS=161} [2021-06-11 13:45:15,706 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 61 predicate places. [2021-06-11 13:45:15,706 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:45:15,706 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 161 transitions, 1079 flow [2021-06-11 13:45:15,706 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 161 transitions, 1079 flow [2021-06-11 13:45:15,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 161 transitions, 1079 flow [2021-06-11 13:45:15,737 INFO L129 PetriNetUnfolder]: 351/671 cut-off events. [2021-06-11 13:45:15,738 INFO L130 PetriNetUnfolder]: For 1136/1189 co-relation queries the response was YES. [2021-06-11 13:45:15,740 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2422 conditions, 671 events. 351/671 cut-off events. For 1136/1189 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 3409 event pairs, 61 based on Foata normal form. 1/623 useless extension candidates. Maximal degree in co-relation 2389. Up to 446 conditions per place. [2021-06-11 13:45:15,744 INFO L151 LiptonReduction]: Number of co-enabled transitions 432 [2021-06-11 13:45:15,768 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:45:15,768 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:45:15,768 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 62 [2021-06-11 13:45:15,769 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 161 transitions, 1079 flow [2021-06-11 13:45:15,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 27.0) internal successors, (432), 16 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:15,769 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:45:15,769 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] [2021-06-11 13:45:15,769 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-11 13:45:15,769 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:45:15,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:45:15,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1435726769, now seen corresponding path program 3 times [2021-06-11 13:45:15,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:45:15,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313214239] [2021-06-11 13:45:15,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:45:15,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:45:15,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:15,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-06-11 13:45:15,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:15,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:15,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:45:15,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313214239] [2021-06-11 13:45:15,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:45:15,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 13:45:15,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768095075] [2021-06-11 13:45:15,783 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 13:45:15,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:45:15,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 13:45:15,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 13:45:15,784 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 61 [2021-06-11 13:45:15,784 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 161 transitions, 1079 flow. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:15,784 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:45:15,784 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 61 [2021-06-11 13:45:15,784 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:45:15,824 INFO L129 PetriNetUnfolder]: 329/643 cut-off events. [2021-06-11 13:45:15,824 INFO L130 PetriNetUnfolder]: For 1501/1552 co-relation queries the response was YES. [2021-06-11 13:45:15,826 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2458 conditions, 643 events. 329/643 cut-off events. For 1501/1552 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 3245 event pairs, 79 based on Foata normal form. 5/619 useless extension candidates. Maximal degree in co-relation 2424. Up to 400 conditions per place. [2021-06-11 13:45:15,829 INFO L132 encePairwiseOnDemand]: 58/61 looper letters, 9 selfloop transitions, 11 changer transitions 0/157 dead transitions. [2021-06-11 13:45:15,829 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 157 transitions, 1092 flow [2021-06-11 13:45:15,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 13:45:15,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 13:45:15,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 164 transitions. [2021-06-11 13:45:15,830 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8961748633879781 [2021-06-11 13:45:15,830 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 164 transitions. [2021-06-11 13:45:15,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 164 transitions. [2021-06-11 13:45:15,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:45:15,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 164 transitions. [2021-06-11 13:45:15,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:15,831 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:15,831 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:15,831 INFO L185 Difference]: Start difference. First operand has 96 places, 161 transitions, 1079 flow. Second operand 3 states and 164 transitions. [2021-06-11 13:45:15,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 157 transitions, 1092 flow [2021-06-11 13:45:15,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 157 transitions, 928 flow, removed 75 selfloop flow, removed 3 redundant places. [2021-06-11 13:45:15,842 INFO L241 Difference]: Finished difference. Result has 96 places, 157 transitions, 923 flow [2021-06-11 13:45:15,843 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=888, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=923, PETRI_PLACES=96, PETRI_TRANSITIONS=157} [2021-06-11 13:45:15,843 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 57 predicate places. [2021-06-11 13:45:15,843 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:45:15,843 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 157 transitions, 923 flow [2021-06-11 13:45:15,843 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 157 transitions, 923 flow [2021-06-11 13:45:15,844 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 157 transitions, 923 flow [2021-06-11 13:45:15,868 INFO L129 PetriNetUnfolder]: 311/588 cut-off events. [2021-06-11 13:45:15,869 INFO L130 PetriNetUnfolder]: For 785/812 co-relation queries the response was YES. [2021-06-11 13:45:15,870 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2026 conditions, 588 events. 311/588 cut-off events. For 785/812 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2878 event pairs, 45 based on Foata normal form. 1/552 useless extension candidates. Maximal degree in co-relation 1949. Up to 365 conditions per place. [2021-06-11 13:45:15,873 INFO L151 LiptonReduction]: Number of co-enabled transitions 370 [2021-06-11 13:45:15,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:15,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:15,918 INFO L163 LiptonReduction]: Checked pairs total: 1 [2021-06-11 13:45:15,919 INFO L165 LiptonReduction]: Total number of compositions: 1 [2021-06-11 13:45:15,919 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 76 [2021-06-11 13:45:15,919 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 157 transitions, 924 flow [2021-06-11 13:45:15,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:15,919 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:45:15,920 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] [2021-06-11 13:45:15,920 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-11 13:45:15,920 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:45:15,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:45:15,920 INFO L82 PathProgramCache]: Analyzing trace with hash -33536689, now seen corresponding path program 4 times [2021-06-11 13:45:15,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:45:15,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826337578] [2021-06-11 13:45:15,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:45:15,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:45:15,946 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:45:15,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:15,952 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:45:15,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:15,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:15,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:15,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:15,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:15,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:15,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:15,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:15,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:15,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:15,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:15,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:15,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:16,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:16,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:16,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:16,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:16,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:16,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:16,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:16,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:45:16,067 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-06-11 13:45:16,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:45:16,083 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-06-11 13:45:16,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:45:16,099 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 13:45:16,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:16,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:45:16,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826337578] [2021-06-11 13:45:16,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:45:16,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-11 13:45:16,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42815868] [2021-06-11 13:45:16,102 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 13:45:16,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:45:16,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 13:45:16,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-06-11 13:45:16,103 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-06-11 13:45:16,103 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 157 transitions, 924 flow. Second operand has 15 states, 15 states have (on average 27.066666666666666) internal successors, (406), 15 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:16,103 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:45:16,103 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-06-11 13:45:16,103 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:45:17,396 INFO L129 PetriNetUnfolder]: 771/1285 cut-off events. [2021-06-11 13:45:17,396 INFO L130 PetriNetUnfolder]: For 4335/4344 co-relation queries the response was YES. [2021-06-11 13:45:17,399 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5962 conditions, 1285 events. 771/1285 cut-off events. For 4335/4344 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 5773 event pairs, 131 based on Foata normal form. 8/1291 useless extension candidates. Maximal degree in co-relation 5849. Up to 953 conditions per place. [2021-06-11 13:45:17,404 INFO L132 encePairwiseOnDemand]: 46/62 looper letters, 159 selfloop transitions, 127 changer transitions 2/296 dead transitions. [2021-06-11 13:45:17,404 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 296 transitions, 2556 flow [2021-06-11 13:45:17,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-11 13:45:17,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2021-06-11 13:45:17,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 1249 transitions. [2021-06-11 13:45:17,408 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.491345397324941 [2021-06-11 13:45:17,408 INFO L72 ComplementDD]: Start complementDD. Operand 41 states and 1249 transitions. [2021-06-11 13:45:17,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 1249 transitions. [2021-06-11 13:45:17,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:45:17,409 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 41 states and 1249 transitions. [2021-06-11 13:45:17,411 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 42 states, 41 states have (on average 30.463414634146343) internal successors, (1249), 41 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:17,415 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 42 states, 42 states have (on average 62.0) internal successors, (2604), 42 states have internal predecessors, (2604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:17,416 INFO L81 ComplementDD]: Finished complementDD. Result has 42 states, 42 states have (on average 62.0) internal successors, (2604), 42 states have internal predecessors, (2604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:17,416 INFO L185 Difference]: Start difference. First operand has 96 places, 157 transitions, 924 flow. Second operand 41 states and 1249 transitions. [2021-06-11 13:45:17,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 296 transitions, 2556 flow [2021-06-11 13:45:17,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 296 transitions, 2532 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 13:45:17,434 INFO L241 Difference]: Finished difference. Result has 141 places, 268 transitions, 2065 flow [2021-06-11 13:45:17,435 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=902, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=41, PETRI_FLOW=2065, PETRI_PLACES=141, PETRI_TRANSITIONS=268} [2021-06-11 13:45:17,435 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 102 predicate places. [2021-06-11 13:45:17,435 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:45:17,435 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 141 places, 268 transitions, 2065 flow [2021-06-11 13:45:17,435 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 141 places, 268 transitions, 2065 flow [2021-06-11 13:45:17,436 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 140 places, 268 transitions, 2065 flow [2021-06-11 13:45:17,489 INFO L129 PetriNetUnfolder]: 577/1018 cut-off events. [2021-06-11 13:45:17,489 INFO L130 PetriNetUnfolder]: For 3846/3947 co-relation queries the response was YES. [2021-06-11 13:45:17,492 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4387 conditions, 1018 events. 577/1018 cut-off events. For 3846/3947 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 5214 event pairs, 170 based on Foata normal form. 8/929 useless extension candidates. Maximal degree in co-relation 4341. Up to 669 conditions per place. [2021-06-11 13:45:17,498 INFO L151 LiptonReduction]: Number of co-enabled transitions 416 [2021-06-11 13:45:17,514 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:45:17,515 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:45:17,515 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 80 [2021-06-11 13:45:17,515 INFO L480 AbstractCegarLoop]: Abstraction has has 140 places, 268 transitions, 2065 flow [2021-06-11 13:45:17,516 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 27.066666666666666) internal successors, (406), 15 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:17,516 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:45:17,516 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] [2021-06-11 13:45:17,516 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-11 13:45:17,516 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:45:17,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:45:17,517 INFO L82 PathProgramCache]: Analyzing trace with hash 133579179, now seen corresponding path program 1 times [2021-06-11 13:45:17,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:45:17,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271098225] [2021-06-11 13:45:17,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:45:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:45:17,568 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:45:17,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:17,573 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:45:17,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:17,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:17,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:17,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:17,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:17,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:17,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:17,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:17,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:17,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:17,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:45:17,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:17,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:17,618 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 13:45:17,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:45:17,639 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 13:45:17,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:45:17,663 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 13:45:17,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:45:17,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:17,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:45:17,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:17,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:45:17,721 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:45:17,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:17,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:45:17,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271098225] [2021-06-11 13:45:17,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:45:17,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 13:45:17,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609407233] [2021-06-11 13:45:17,725 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:45:17,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:45:17,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:45:17,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:45:17,726 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-06-11 13:45:17,726 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 268 transitions, 2065 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:17,726 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:45:17,726 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-06-11 13:45:17,726 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:45:18,367 INFO L129 PetriNetUnfolder]: 837/1423 cut-off events. [2021-06-11 13:45:18,368 INFO L130 PetriNetUnfolder]: For 8159/8173 co-relation queries the response was YES. [2021-06-11 13:45:18,371 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7741 conditions, 1423 events. 837/1423 cut-off events. For 8159/8173 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 6781 event pairs, 249 based on Foata normal form. 11/1432 useless extension candidates. Maximal degree in co-relation 7684. Up to 1146 conditions per place. [2021-06-11 13:45:18,379 INFO L132 encePairwiseOnDemand]: 45/62 looper letters, 218 selfloop transitions, 146 changer transitions 2/374 dead transitions. [2021-06-11 13:45:18,379 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 374 transitions, 3677 flow [2021-06-11 13:45:18,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-11 13:45:18,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-06-11 13:45:18,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 683 transitions. [2021-06-11 13:45:18,381 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.500733137829912 [2021-06-11 13:45:18,381 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 683 transitions. [2021-06-11 13:45:18,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 683 transitions. [2021-06-11 13:45:18,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:45:18,381 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 683 transitions. [2021-06-11 13:45:18,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 31.045454545454547) internal successors, (683), 22 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:18,383 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 62.0) internal successors, (1426), 23 states have internal predecessors, (1426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:18,384 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 62.0) internal successors, (1426), 23 states have internal predecessors, (1426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:18,384 INFO L185 Difference]: Start difference. First operand has 140 places, 268 transitions, 2065 flow. Second operand 22 states and 683 transitions. [2021-06-11 13:45:18,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 374 transitions, 3677 flow [2021-06-11 13:45:18,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 374 transitions, 3141 flow, removed 249 selfloop flow, removed 8 redundant places. [2021-06-11 13:45:18,417 INFO L241 Difference]: Finished difference. Result has 160 places, 345 transitions, 2612 flow [2021-06-11 13:45:18,417 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=1627, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=86, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=2612, PETRI_PLACES=160, PETRI_TRANSITIONS=345} [2021-06-11 13:45:18,418 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 121 predicate places. [2021-06-11 13:45:18,418 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:45:18,418 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 160 places, 345 transitions, 2612 flow [2021-06-11 13:45:18,418 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 160 places, 345 transitions, 2612 flow [2021-06-11 13:45:18,419 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 159 places, 345 transitions, 2612 flow [2021-06-11 13:45:18,482 INFO L129 PetriNetUnfolder]: 614/1108 cut-off events. [2021-06-11 13:45:18,483 INFO L130 PetriNetUnfolder]: For 5335/5433 co-relation queries the response was YES. [2021-06-11 13:45:18,486 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5021 conditions, 1108 events. 614/1108 cut-off events. For 5335/5433 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 5799 event pairs, 167 based on Foata normal form. 14/1054 useless extension candidates. Maximal degree in co-relation 4966. Up to 606 conditions per place. [2021-06-11 13:45:18,492 INFO L151 LiptonReduction]: Number of co-enabled transitions 452 [2021-06-11 13:45:18,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:18,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:18,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:18,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:18,604 INFO L163 LiptonReduction]: Checked pairs total: 1 [2021-06-11 13:45:18,604 INFO L165 LiptonReduction]: Total number of compositions: 3 [2021-06-11 13:45:18,604 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 186 [2021-06-11 13:45:18,605 INFO L480 AbstractCegarLoop]: Abstraction has has 159 places, 345 transitions, 2614 flow [2021-06-11 13:45:18,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:18,605 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:45:18,605 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] [2021-06-11 13:45:18,605 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-11 13:45:18,605 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:45:18,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:45:18,605 INFO L82 PathProgramCache]: Analyzing trace with hash 624465207, now seen corresponding path program 2 times [2021-06-11 13:45:18,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:45:18,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364344045] [2021-06-11 13:45:18,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:45:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:45:18,624 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:45:18,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:18,628 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:45:18,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:18,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:18,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:18,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:18,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:18,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:18,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:18,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:18,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:45:18,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:18,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:18,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:18,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:18,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:18,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:18,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:18,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:18,720 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 13:45:18,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:45:18,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:18,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:45:18,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:18,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:45:18,771 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:45:18,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:18,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:45:18,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364344045] [2021-06-11 13:45:18,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:45:18,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-11 13:45:18,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991492032] [2021-06-11 13:45:18,776 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 13:45:18,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:45:18,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 13:45:18,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-06-11 13:45:18,777 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 65 [2021-06-11 13:45:18,777 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 345 transitions, 2614 flow. Second operand has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:18,777 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:45:18,777 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 65 [2021-06-11 13:45:18,777 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:45:20,507 INFO L129 PetriNetUnfolder]: 1064/1812 cut-off events. [2021-06-11 13:45:20,507 INFO L130 PetriNetUnfolder]: For 11878/11892 co-relation queries the response was YES. [2021-06-11 13:45:20,515 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10308 conditions, 1812 events. 1064/1812 cut-off events. For 11878/11892 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 9328 event pairs, 205 based on Foata normal form. 11/1821 useless extension candidates. Maximal degree in co-relation 10241. Up to 1257 conditions per place. [2021-06-11 13:45:20,526 INFO L132 encePairwiseOnDemand]: 46/65 looper letters, 308 selfloop transitions, 306 changer transitions 2/624 dead transitions. [2021-06-11 13:45:20,526 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 624 transitions, 6664 flow [2021-06-11 13:45:20,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-11 13:45:20,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-06-11 13:45:20,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 1621 transitions. [2021-06-11 13:45:20,529 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47053701015965166 [2021-06-11 13:45:20,529 INFO L72 ComplementDD]: Start complementDD. Operand 53 states and 1621 transitions. [2021-06-11 13:45:20,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 1621 transitions. [2021-06-11 13:45:20,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:45:20,529 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 53 states and 1621 transitions. [2021-06-11 13:45:20,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 54 states, 53 states have (on average 30.58490566037736) internal successors, (1621), 53 states have internal predecessors, (1621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:20,534 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 54 states, 54 states have (on average 65.0) internal successors, (3510), 54 states have internal predecessors, (3510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:20,535 INFO L81 ComplementDD]: Finished complementDD. Result has 54 states, 54 states have (on average 65.0) internal successors, (3510), 54 states have internal predecessors, (3510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:20,535 INFO L185 Difference]: Start difference. First operand has 159 places, 345 transitions, 2614 flow. Second operand 53 states and 1621 transitions. [2021-06-11 13:45:20,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 624 transitions, 6664 flow [2021-06-11 13:45:20,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 624 transitions, 6413 flow, removed 103 selfloop flow, removed 9 redundant places. [2021-06-11 13:45:20,584 INFO L241 Difference]: Finished difference. Result has 220 places, 570 transitions, 5474 flow [2021-06-11 13:45:20,584 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=65, PETRI_DIFFERENCE_MINUEND_FLOW=2453, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=106, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=53, PETRI_FLOW=5474, PETRI_PLACES=220, PETRI_TRANSITIONS=570} [2021-06-11 13:45:20,584 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 181 predicate places. [2021-06-11 13:45:20,584 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:45:20,584 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 220 places, 570 transitions, 5474 flow [2021-06-11 13:45:20,585 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 220 places, 570 transitions, 5474 flow [2021-06-11 13:45:20,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 220 places, 570 transitions, 5474 flow [2021-06-11 13:45:20,704 INFO L129 PetriNetUnfolder]: 887/1568 cut-off events. [2021-06-11 13:45:20,704 INFO L130 PetriNetUnfolder]: For 14165/14255 co-relation queries the response was YES. [2021-06-11 13:45:20,711 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8685 conditions, 1568 events. 887/1568 cut-off events. For 14165/14255 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 8850 event pairs, 142 based on Foata normal form. 4/1489 useless extension candidates. Maximal degree in co-relation 8597. Up to 831 conditions per place. [2021-06-11 13:45:20,721 INFO L151 LiptonReduction]: Number of co-enabled transitions 568 [2021-06-11 13:45:20,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:20,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:20,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:20,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:20,865 INFO L163 LiptonReduction]: Checked pairs total: 2 [2021-06-11 13:45:20,865 INFO L165 LiptonReduction]: Total number of compositions: 2 [2021-06-11 13:45:20,866 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 282 [2021-06-11 13:45:20,866 INFO L480 AbstractCegarLoop]: Abstraction has has 220 places, 570 transitions, 5474 flow [2021-06-11 13:45:20,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:20,867 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:45:20,867 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] [2021-06-11 13:45:20,867 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-11 13:45:20,867 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:45:20,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:45:20,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1468594695, now seen corresponding path program 1 times [2021-06-11 13:45:20,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:45:20,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798943394] [2021-06-11 13:45:20,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:45:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:45:20,908 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:45:20,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:20,912 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:45:20,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:20,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:20,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:20,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:20,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:20,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:20,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:20,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:20,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:20,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:20,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:45:20,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:20,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:20,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:20,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:45:20,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:20,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:21,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:21,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:45:21,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:21,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:45:21,054 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:45:21,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:45:21,068 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 13:45:21,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:21,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:45:21,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798943394] [2021-06-11 13:45:21,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:45:21,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 13:45:21,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767591102] [2021-06-11 13:45:21,071 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:45:21,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:45:21,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:45:21,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:45:21,072 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 67 [2021-06-11 13:45:21,072 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 570 transitions, 5474 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:21,072 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:45:21,072 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 67 [2021-06-11 13:45:21,072 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:45:22,141 INFO L129 PetriNetUnfolder]: 1217/2090 cut-off events. [2021-06-11 13:45:22,141 INFO L130 PetriNetUnfolder]: For 26065/26079 co-relation queries the response was YES. [2021-06-11 13:45:22,149 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13838 conditions, 2090 events. 1217/2090 cut-off events. For 26065/26079 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 11260 event pairs, 223 based on Foata normal form. 11/2099 useless extension candidates. Maximal degree in co-relation 13743. Up to 1664 conditions per place. [2021-06-11 13:45:22,159 INFO L132 encePairwiseOnDemand]: 49/67 looper letters, 498 selfloop transitions, 226 changer transitions 2/734 dead transitions. [2021-06-11 13:45:22,159 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 734 transitions, 8806 flow [2021-06-11 13:45:22,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-11 13:45:22,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-06-11 13:45:22,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 791 transitions. [2021-06-11 13:45:22,161 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4722388059701493 [2021-06-11 13:45:22,161 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 791 transitions. [2021-06-11 13:45:22,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 791 transitions. [2021-06-11 13:45:22,161 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:45:22,161 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 791 transitions. [2021-06-11 13:45:22,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 31.64) internal successors, (791), 25 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:22,163 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 67.0) internal successors, (1742), 26 states have internal predecessors, (1742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:22,164 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 67.0) internal successors, (1742), 26 states have internal predecessors, (1742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:22,164 INFO L185 Difference]: Start difference. First operand has 220 places, 570 transitions, 5474 flow. Second operand 25 states and 791 transitions. [2021-06-11 13:45:22,164 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 734 transitions, 8806 flow [2021-06-11 13:45:22,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 734 transitions, 7702 flow, removed 437 selfloop flow, removed 11 redundant places. [2021-06-11 13:45:22,302 INFO L241 Difference]: Finished difference. Result has 243 places, 679 transitions, 6218 flow [2021-06-11 13:45:22,304 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=67, PETRI_DIFFERENCE_MINUEND_FLOW=4516, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=570, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=125, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=6218, PETRI_PLACES=243, PETRI_TRANSITIONS=679} [2021-06-11 13:45:22,304 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 204 predicate places. [2021-06-11 13:45:22,304 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:45:22,304 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 243 places, 679 transitions, 6218 flow [2021-06-11 13:45:22,305 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 243 places, 679 transitions, 6218 flow [2021-06-11 13:45:22,308 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 242 places, 679 transitions, 6218 flow [2021-06-11 13:45:22,454 INFO L129 PetriNetUnfolder]: 1043/1839 cut-off events. [2021-06-11 13:45:22,454 INFO L130 PetriNetUnfolder]: For 17385/17502 co-relation queries the response was YES. [2021-06-11 13:45:22,464 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10144 conditions, 1839 events. 1043/1839 cut-off events. For 17385/17502 co-relation queries the response was YES. Maximal size of possible extension queue 172. Compared 10715 event pairs, 164 based on Foata normal form. 7/1763 useless extension candidates. Maximal degree in co-relation 10057. Up to 809 conditions per place. [2021-06-11 13:45:22,476 INFO L151 LiptonReduction]: Number of co-enabled transitions 588 [2021-06-11 13:45:22,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:22,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:22,655 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:45:22,656 INFO L165 LiptonReduction]: Total number of compositions: 1 [2021-06-11 13:45:22,656 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 352 [2021-06-11 13:45:22,656 INFO L480 AbstractCegarLoop]: Abstraction has has 242 places, 679 transitions, 6218 flow [2021-06-11 13:45:22,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:22,656 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:45:22,656 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] [2021-06-11 13:45:22,657 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-11 13:45:22,657 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:45:22,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:45:22,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1962733341, now seen corresponding path program 2 times [2021-06-11 13:45:22,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:45:22,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289379785] [2021-06-11 13:45:22,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:45:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:45:22,671 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:45:22,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:22,675 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:45:22,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:22,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:22,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:22,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:22,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:22,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:22,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:22,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:22,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:22,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:22,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:22,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:22,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:22,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:22,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:45:22,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:22,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:22,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:22,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:45:22,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:22,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:45:22,802 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-06-11 13:45:22,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:45:22,820 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 13:45:22,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:22,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:45:22,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289379785] [2021-06-11 13:45:22,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:45:22,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 13:45:22,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490597732] [2021-06-11 13:45:22,823 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 13:45:22,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:45:22,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 13:45:22,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 13:45:22,824 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 68 [2021-06-11 13:45:22,824 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 679 transitions, 6218 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:22,824 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:45:22,824 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 68 [2021-06-11 13:45:22,824 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:45:23,964 INFO L129 PetriNetUnfolder]: 1258/2201 cut-off events. [2021-06-11 13:45:23,964 INFO L130 PetriNetUnfolder]: For 29276/29290 co-relation queries the response was YES. [2021-06-11 13:45:23,975 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14796 conditions, 2201 events. 1258/2201 cut-off events. For 29276/29290 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 12267 event pairs, 211 based on Foata normal form. 12/2210 useless extension candidates. Maximal degree in co-relation 14693. Up to 1602 conditions per place. [2021-06-11 13:45:23,985 INFO L132 encePairwiseOnDemand]: 48/68 looper letters, 460 selfloop transitions, 292 changer transitions 5/765 dead transitions. [2021-06-11 13:45:23,985 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 765 transitions, 9048 flow [2021-06-11 13:45:23,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-11 13:45:23,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-06-11 13:45:23,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 902 transitions. [2021-06-11 13:45:23,987 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45740365111561865 [2021-06-11 13:45:23,987 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 902 transitions. [2021-06-11 13:45:23,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 902 transitions. [2021-06-11 13:45:23,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:45:23,987 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 902 transitions. [2021-06-11 13:45:23,989 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 31.103448275862068) internal successors, (902), 29 states have internal predecessors, (902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:23,990 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 68.0) internal successors, (2040), 30 states have internal predecessors, (2040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:23,991 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 68.0) internal successors, (2040), 30 states have internal predecessors, (2040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:23,991 INFO L185 Difference]: Start difference. First operand has 242 places, 679 transitions, 6218 flow. Second operand 29 states and 902 transitions. [2021-06-11 13:45:23,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 765 transitions, 9048 flow [2021-06-11 13:45:24,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 765 transitions, 8912 flow, removed 52 selfloop flow, removed 7 redundant places. [2021-06-11 13:45:24,106 INFO L241 Difference]: Finished difference. Result has 271 places, 711 transitions, 7236 flow [2021-06-11 13:45:24,106 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=6100, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=679, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=262, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=7236, PETRI_PLACES=271, PETRI_TRANSITIONS=711} [2021-06-11 13:45:24,106 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 232 predicate places. [2021-06-11 13:45:24,106 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:45:24,106 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 271 places, 711 transitions, 7236 flow [2021-06-11 13:45:24,107 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 271 places, 711 transitions, 7236 flow [2021-06-11 13:45:24,110 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 269 places, 711 transitions, 7236 flow [2021-06-11 13:45:24,275 INFO L129 PetriNetUnfolder]: 1069/1935 cut-off events. [2021-06-11 13:45:24,275 INFO L130 PetriNetUnfolder]: For 23942/24059 co-relation queries the response was YES. [2021-06-11 13:45:24,285 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11860 conditions, 1935 events. 1069/1935 cut-off events. For 23942/24059 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 11724 event pairs, 114 based on Foata normal form. 21/1880 useless extension candidates. Maximal degree in co-relation 11761. Up to 870 conditions per place. [2021-06-11 13:45:24,297 INFO L151 LiptonReduction]: Number of co-enabled transitions 606 [2021-06-11 13:45:24,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:24,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:24,471 INFO L163 LiptonReduction]: Checked pairs total: 1 [2021-06-11 13:45:24,471 INFO L165 LiptonReduction]: Total number of compositions: 1 [2021-06-11 13:45:24,472 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 366 [2021-06-11 13:45:24,472 INFO L480 AbstractCegarLoop]: Abstraction has has 269 places, 711 transitions, 7237 flow [2021-06-11 13:45:24,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:24,472 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:45:24,473 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] [2021-06-11 13:45:24,473 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-11 13:45:24,473 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:45:24,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:45:24,473 INFO L82 PathProgramCache]: Analyzing trace with hash 174555585, now seen corresponding path program 3 times [2021-06-11 13:45:24,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:45:24,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574109109] [2021-06-11 13:45:24,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:45:24,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:45:24,503 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:45:24,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:24,507 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:45:24,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:24,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:24,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:24,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:24,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:24,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:24,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:24,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:24,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:24,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:24,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:45:24,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:24,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:24,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:24,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:45:24,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:24,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:24,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:24,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:45:24,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:24,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:45:24,615 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-06-11 13:45:24,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:45:24,630 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 13:45:24,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:24,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:45:24,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574109109] [2021-06-11 13:45:24,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:45:24,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 13:45:24,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964752008] [2021-06-11 13:45:24,633 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:45:24,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:45:24,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:45:24,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:45:24,634 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 13:45:24,634 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 711 transitions, 7237 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:24,634 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:45:24,634 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 13:45:24,634 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:45:25,673 INFO L129 PetriNetUnfolder]: 1275/2244 cut-off events. [2021-06-11 13:45:25,674 INFO L130 PetriNetUnfolder]: For 35275/35289 co-relation queries the response was YES. [2021-06-11 13:45:25,683 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16273 conditions, 2244 events. 1275/2244 cut-off events. For 35275/35289 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 12750 event pairs, 226 based on Foata normal form. 11/2252 useless extension candidates. Maximal degree in co-relation 16162. Up to 1785 conditions per place. [2021-06-11 13:45:25,691 INFO L132 encePairwiseOnDemand]: 50/69 looper letters, 494 selfloop transitions, 281 changer transitions 3/786 dead transitions. [2021-06-11 13:45:25,692 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 786 transitions, 9976 flow [2021-06-11 13:45:25,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-11 13:45:25,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-06-11 13:45:25,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 815 transitions. [2021-06-11 13:45:25,693 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45429208472686733 [2021-06-11 13:45:25,693 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 815 transitions. [2021-06-11 13:45:25,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 815 transitions. [2021-06-11 13:45:25,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:45:25,694 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 815 transitions. [2021-06-11 13:45:25,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 31.346153846153847) internal successors, (815), 26 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:25,696 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 69.0) internal successors, (1863), 27 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:25,696 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 69.0) internal successors, (1863), 27 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:25,696 INFO L185 Difference]: Start difference. First operand has 269 places, 711 transitions, 7237 flow. Second operand 26 states and 815 transitions. [2021-06-11 13:45:25,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 786 transitions, 9976 flow [2021-06-11 13:45:25,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 786 transitions, 9828 flow, removed 52 selfloop flow, removed 12 redundant places. [2021-06-11 13:45:25,834 INFO L241 Difference]: Finished difference. Result has 291 places, 738 transitions, 8203 flow [2021-06-11 13:45:25,835 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=7119, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=711, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=257, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=8203, PETRI_PLACES=291, PETRI_TRANSITIONS=738} [2021-06-11 13:45:25,835 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 252 predicate places. [2021-06-11 13:45:25,835 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:45:25,835 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 291 places, 738 transitions, 8203 flow [2021-06-11 13:45:25,835 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 291 places, 738 transitions, 8203 flow [2021-06-11 13:45:25,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 289 places, 738 transitions, 8203 flow [2021-06-11 13:45:26,025 INFO L129 PetriNetUnfolder]: 1092/2028 cut-off events. [2021-06-11 13:45:26,025 INFO L130 PetriNetUnfolder]: For 27616/27701 co-relation queries the response was YES. [2021-06-11 13:45:26,037 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13024 conditions, 2028 events. 1092/2028 cut-off events. For 27616/27701 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 12523 event pairs, 152 based on Foata normal form. 8/1975 useless extension candidates. Maximal degree in co-relation 12913. Up to 879 conditions per place. [2021-06-11 13:45:26,050 INFO L151 LiptonReduction]: Number of co-enabled transitions 618 [2021-06-11 13:45:26,114 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:45:26,114 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:45:26,114 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 279 [2021-06-11 13:45:26,115 INFO L480 AbstractCegarLoop]: Abstraction has has 289 places, 738 transitions, 8203 flow [2021-06-11 13:45:26,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:26,115 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:45:26,115 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] [2021-06-11 13:45:26,115 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-11 13:45:26,115 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:45:26,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:45:26,115 INFO L82 PathProgramCache]: Analyzing trace with hash -351701195, now seen corresponding path program 1 times [2021-06-11 13:45:26,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:45:26,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190323486] [2021-06-11 13:45:26,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:45:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:45:26,133 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:45:26,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:26,137 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:45:26,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:26,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:26,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:26,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:26,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:26,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:26,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:26,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:26,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:26,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:26,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:26,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:26,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:45:26,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:26,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:45:26,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:26,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:45:26,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:26,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:45:26,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:26,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:26,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:26,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:26,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:45:26,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190323486] [2021-06-11 13:45:26,224 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:45:26,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 13:45:26,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149698403] [2021-06-11 13:45:26,225 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:45:26,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:45:26,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:45:26,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:45:26,226 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 13:45:26,226 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 738 transitions, 8203 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:26,226 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:45:26,226 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 13:45:26,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:45:27,116 INFO L129 PetriNetUnfolder]: 1289/2293 cut-off events. [2021-06-11 13:45:27,116 INFO L130 PetriNetUnfolder]: For 40350/40364 co-relation queries the response was YES. [2021-06-11 13:45:27,130 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17392 conditions, 2293 events. 1289/2293 cut-off events. For 40350/40364 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 13457 event pairs, 245 based on Foata normal form. 11/2301 useless extension candidates. Maximal degree in co-relation 17265. Up to 1954 conditions per place. [2021-06-11 13:45:27,140 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 591 selfloop transitions, 193 changer transitions 3/795 dead transitions. [2021-06-11 13:45:27,141 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 795 transitions, 10645 flow [2021-06-11 13:45:27,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-11 13:45:27,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-06-11 13:45:27,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 714 transitions. [2021-06-11 13:45:27,142 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4499054820415879 [2021-06-11 13:45:27,142 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 714 transitions. [2021-06-11 13:45:27,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 714 transitions. [2021-06-11 13:45:27,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:45:27,143 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 714 transitions. [2021-06-11 13:45:27,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 31.043478260869566) internal successors, (714), 23 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:27,145 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 69.0) internal successors, (1656), 24 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:27,145 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 69.0) internal successors, (1656), 24 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:27,145 INFO L185 Difference]: Start difference. First operand has 289 places, 738 transitions, 8203 flow. Second operand 23 states and 714 transitions. [2021-06-11 13:45:27,145 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 795 transitions, 10645 flow [2021-06-11 13:45:27,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 795 transitions, 10364 flow, removed 64 selfloop flow, removed 11 redundant places. [2021-06-11 13:45:27,312 INFO L241 Difference]: Finished difference. Result has 308 places, 773 transitions, 8923 flow [2021-06-11 13:45:27,313 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=7932, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=738, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=160, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=565, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=8923, PETRI_PLACES=308, PETRI_TRANSITIONS=773} [2021-06-11 13:45:27,313 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 269 predicate places. [2021-06-11 13:45:27,313 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:45:27,313 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 308 places, 773 transitions, 8923 flow [2021-06-11 13:45:27,314 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 308 places, 773 transitions, 8923 flow [2021-06-11 13:45:27,317 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 307 places, 773 transitions, 8923 flow [2021-06-11 13:45:27,538 INFO L129 PetriNetUnfolder]: 1117/2084 cut-off events. [2021-06-11 13:45:27,538 INFO L130 PetriNetUnfolder]: For 36269/36337 co-relation queries the response was YES. [2021-06-11 13:45:27,550 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14197 conditions, 2084 events. 1117/2084 cut-off events. For 36269/36337 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 13174 event pairs, 112 based on Foata normal form. 3/2029 useless extension candidates. Maximal degree in co-relation 14073. Up to 897 conditions per place. [2021-06-11 13:45:27,563 INFO L151 LiptonReduction]: Number of co-enabled transitions 634 [2021-06-11 13:45:27,627 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:45:27,627 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:45:27,628 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 315 [2021-06-11 13:45:27,628 INFO L480 AbstractCegarLoop]: Abstraction has has 307 places, 773 transitions, 8923 flow [2021-06-11 13:45:27,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:27,628 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:45:27,628 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] [2021-06-11 13:45:27,628 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-11 13:45:27,628 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:45:27,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:45:27,629 INFO L82 PathProgramCache]: Analyzing trace with hash 351743285, now seen corresponding path program 2 times [2021-06-11 13:45:27,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:45:27,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700928022] [2021-06-11 13:45:27,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:45:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:45:27,645 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:45:27,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:27,648 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:45:27,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:27,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:27,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:27,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:27,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:27,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:27,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:27,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:27,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:27,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:27,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:27,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:27,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:27,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:27,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:45:27,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:27,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:45:27,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:27,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:45:27,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:27,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:27,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:27,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:27,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:45:27,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700928022] [2021-06-11 13:45:27,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:45:27,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-11 13:45:27,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763552866] [2021-06-11 13:45:27,726 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 13:45:27,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:45:27,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 13:45:27,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-06-11 13:45:27,726 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 13:45:27,726 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 773 transitions, 8923 flow. Second operand has 11 states, 11 states have (on average 27.272727272727273) internal successors, (300), 11 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:27,727 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:45:27,727 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 13:45:27,727 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:45:28,558 INFO L129 PetriNetUnfolder]: 1294/2306 cut-off events. [2021-06-11 13:45:28,558 INFO L130 PetriNetUnfolder]: For 52376/52383 co-relation queries the response was YES. [2021-06-11 13:45:28,570 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18442 conditions, 2306 events. 1294/2306 cut-off events. For 52376/52383 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 13553 event pairs, 242 based on Foata normal form. 6/2309 useless extension candidates. Maximal degree in co-relation 18277. Up to 1973 conditions per place. [2021-06-11 13:45:28,580 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 598 selfloop transitions, 193 changer transitions 3/802 dead transitions. [2021-06-11 13:45:28,580 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 324 places, 802 transitions, 11035 flow [2021-06-11 13:45:28,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-11 13:45:28,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-06-11 13:45:28,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 567 transitions. [2021-06-11 13:45:28,581 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45652173913043476 [2021-06-11 13:45:28,581 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 567 transitions. [2021-06-11 13:45:28,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 567 transitions. [2021-06-11 13:45:28,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:45:28,581 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 567 transitions. [2021-06-11 13:45:28,582 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 31.5) internal successors, (567), 18 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:28,583 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 69.0) internal successors, (1311), 19 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:28,583 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 69.0) internal successors, (1311), 19 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:28,583 INFO L185 Difference]: Start difference. First operand has 307 places, 773 transitions, 8923 flow. Second operand 18 states and 567 transitions. [2021-06-11 13:45:28,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 324 places, 802 transitions, 11035 flow [2021-06-11 13:45:28,747 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 802 transitions, 10548 flow, removed 155 selfloop flow, removed 10 redundant places. [2021-06-11 13:45:28,757 INFO L241 Difference]: Finished difference. Result has 319 places, 783 transitions, 9042 flow [2021-06-11 13:45:28,757 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=8438, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=773, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=184, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=581, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=9042, PETRI_PLACES=319, PETRI_TRANSITIONS=783} [2021-06-11 13:45:28,758 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 280 predicate places. [2021-06-11 13:45:28,758 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:45:28,758 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 319 places, 783 transitions, 9042 flow [2021-06-11 13:45:28,758 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 319 places, 783 transitions, 9042 flow [2021-06-11 13:45:28,763 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 318 places, 783 transitions, 9042 flow [2021-06-11 13:45:28,965 INFO L129 PetriNetUnfolder]: 1113/2075 cut-off events. [2021-06-11 13:45:28,965 INFO L130 PetriNetUnfolder]: For 38199/38355 co-relation queries the response was YES. [2021-06-11 13:45:28,979 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14459 conditions, 2075 events. 1113/2075 cut-off events. For 38199/38355 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 13236 event pairs, 132 based on Foata normal form. 7/2007 useless extension candidates. Maximal degree in co-relation 14331. Up to 886 conditions per place. [2021-06-11 13:45:28,992 INFO L151 LiptonReduction]: Number of co-enabled transitions 648 [2021-06-11 13:45:29,063 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:45:29,063 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:45:29,063 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 305 [2021-06-11 13:45:29,064 INFO L480 AbstractCegarLoop]: Abstraction has has 318 places, 783 transitions, 9042 flow [2021-06-11 13:45:29,064 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.272727272727273) internal successors, (300), 11 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:29,064 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:45:29,064 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] [2021-06-11 13:45:29,064 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-11 13:45:29,064 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:45:29,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:45:29,065 INFO L82 PathProgramCache]: Analyzing trace with hash 938720709, now seen corresponding path program 1 times [2021-06-11 13:45:29,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:45:29,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904611810] [2021-06-11 13:45:29,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:45:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:45:29,077 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:45:29,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:29,081 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:45:29,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:29,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:29,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:29,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:29,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:29,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:29,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:29,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:29,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:29,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:29,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:29,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:29,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:45:29,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:29,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:45:29,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:29,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:29,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:29,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:45:29,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:29,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:45:29,179 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:45:29,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:29,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:45:29,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904611810] [2021-06-11 13:45:29,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:45:29,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 13:45:29,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433743901] [2021-06-11 13:45:29,182 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:45:29,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:45:29,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:45:29,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:45:29,182 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 13:45:29,183 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 783 transitions, 9042 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:29,183 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:45:29,183 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 13:45:29,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:45:30,046 INFO L129 PetriNetUnfolder]: 1311/2356 cut-off events. [2021-06-11 13:45:30,047 INFO L130 PetriNetUnfolder]: For 54783/54797 co-relation queries the response was YES. [2021-06-11 13:45:30,062 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18951 conditions, 2356 events. 1311/2356 cut-off events. For 54783/54797 co-relation queries the response was YES. Maximal size of possible extension queue 199. Compared 14084 event pairs, 251 based on Foata normal form. 11/2364 useless extension candidates. Maximal degree in co-relation 18816. Up to 2020 conditions per place. [2021-06-11 13:45:30,072 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 650 selfloop transitions, 172 changer transitions 2/832 dead transitions. [2021-06-11 13:45:30,072 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 832 transitions, 11352 flow [2021-06-11 13:45:30,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-11 13:45:30,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-06-11 13:45:30,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 620 transitions. [2021-06-11 13:45:30,078 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4492753623188406 [2021-06-11 13:45:30,078 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 620 transitions. [2021-06-11 13:45:30,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 620 transitions. [2021-06-11 13:45:30,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:45:30,078 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 620 transitions. [2021-06-11 13:45:30,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 31.0) internal successors, (620), 20 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:30,080 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 69.0) internal successors, (1449), 21 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:30,080 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 69.0) internal successors, (1449), 21 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:30,080 INFO L185 Difference]: Start difference. First operand has 318 places, 783 transitions, 9042 flow. Second operand 20 states and 620 transitions. [2021-06-11 13:45:30,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 832 transitions, 11352 flow [2021-06-11 13:45:30,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 832 transitions, 10982 flow, removed 59 selfloop flow, removed 14 redundant places. [2021-06-11 13:45:30,289 INFO L241 Difference]: Finished difference. Result has 331 places, 803 transitions, 9333 flow [2021-06-11 13:45:30,289 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=8710, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=783, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=153, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=612, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=9333, PETRI_PLACES=331, PETRI_TRANSITIONS=803} [2021-06-11 13:45:30,290 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 292 predicate places. [2021-06-11 13:45:30,290 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:45:30,290 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 331 places, 803 transitions, 9333 flow [2021-06-11 13:45:30,290 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 331 places, 803 transitions, 9333 flow [2021-06-11 13:45:30,294 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 330 places, 803 transitions, 9333 flow [2021-06-11 13:45:30,516 INFO L129 PetriNetUnfolder]: 1137/2143 cut-off events. [2021-06-11 13:45:30,516 INFO L130 PetriNetUnfolder]: For 40635/40753 co-relation queries the response was YES. [2021-06-11 13:45:30,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15178 conditions, 2143 events. 1137/2143 cut-off events. For 40635/40753 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 13912 event pairs, 109 based on Foata normal form. 3/2089 useless extension candidates. Maximal degree in co-relation 15046. Up to 868 conditions per place. [2021-06-11 13:45:30,542 INFO L151 LiptonReduction]: Number of co-enabled transitions 680 [2021-06-11 13:45:30,614 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:45:30,614 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:45:30,614 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 324 [2021-06-11 13:45:30,615 INFO L480 AbstractCegarLoop]: Abstraction has has 330 places, 803 transitions, 9333 flow [2021-06-11 13:45:30,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:30,615 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:45:30,615 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] [2021-06-11 13:45:30,615 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-11 13:45:30,615 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:45:30,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:45:30,615 INFO L82 PathProgramCache]: Analyzing trace with hash 1991783907, now seen corresponding path program 2 times [2021-06-11 13:45:30,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:45:30,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80371174] [2021-06-11 13:45:30,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:45:30,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:45:30,628 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:45:30,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:30,632 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:45:30,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:30,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:30,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:30,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:30,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:30,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:30,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:30,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:30,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:30,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:30,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:30,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:30,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:30,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:30,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:45:30,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:30,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:30,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:30,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:45:30,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:30,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:45:30,729 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:45:30,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:30,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:45:30,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80371174] [2021-06-11 13:45:30,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:45:30,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 13:45:30,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323072095] [2021-06-11 13:45:30,732 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:45:30,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:45:30,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:45:30,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:45:30,733 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 13:45:30,733 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 330 places, 803 transitions, 9333 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:30,733 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:45:30,733 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 13:45:30,733 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:45:31,708 INFO L129 PetriNetUnfolder]: 1333/2415 cut-off events. [2021-06-11 13:45:31,708 INFO L130 PetriNetUnfolder]: For 55555/55569 co-relation queries the response was YES. [2021-06-11 13:45:31,723 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19561 conditions, 2415 events. 1333/2415 cut-off events. For 55555/55569 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 14711 event pairs, 253 based on Foata normal form. 11/2423 useless extension candidates. Maximal degree in co-relation 19409. Up to 2038 conditions per place. [2021-06-11 13:45:31,731 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 631 selfloop transitions, 216 changer transitions 2/857 dead transitions. [2021-06-11 13:45:31,731 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 857 transitions, 11753 flow [2021-06-11 13:45:31,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-11 13:45:31,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-06-11 13:45:31,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 687 transitions. [2021-06-11 13:45:31,733 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4525691699604743 [2021-06-11 13:45:31,733 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 687 transitions. [2021-06-11 13:45:31,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 687 transitions. [2021-06-11 13:45:31,733 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:45:31,733 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 687 transitions. [2021-06-11 13:45:31,734 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 31.227272727272727) internal successors, (687), 22 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:31,735 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 69.0) internal successors, (1587), 23 states have internal predecessors, (1587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:31,735 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 69.0) internal successors, (1587), 23 states have internal predecessors, (1587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:31,735 INFO L185 Difference]: Start difference. First operand has 330 places, 803 transitions, 9333 flow. Second operand 22 states and 687 transitions. [2021-06-11 13:45:31,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 857 transitions, 11753 flow [2021-06-11 13:45:31,911 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 857 transitions, 11560 flow, removed 16 selfloop flow, removed 11 redundant places. [2021-06-11 13:45:31,922 INFO L241 Difference]: Finished difference. Result has 346 places, 833 transitions, 9980 flow [2021-06-11 13:45:31,922 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=9144, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=803, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=188, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=607, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=9980, PETRI_PLACES=346, PETRI_TRANSITIONS=833} [2021-06-11 13:45:31,922 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 307 predicate places. [2021-06-11 13:45:31,923 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:45:31,923 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 346 places, 833 transitions, 9980 flow [2021-06-11 13:45:31,923 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 346 places, 833 transitions, 9980 flow [2021-06-11 13:45:31,927 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 345 places, 833 transitions, 9980 flow [2021-06-11 13:45:32,159 INFO L129 PetriNetUnfolder]: 1165/2226 cut-off events. [2021-06-11 13:45:32,159 INFO L130 PetriNetUnfolder]: For 40995/41166 co-relation queries the response was YES. [2021-06-11 13:45:32,175 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15813 conditions, 2226 events. 1165/2226 cut-off events. For 40995/41166 co-relation queries the response was YES. Maximal size of possible extension queue 234. Compared 14891 event pairs, 145 based on Foata normal form. 7/2150 useless extension candidates. Maximal degree in co-relation 15674. Up to 889 conditions per place. [2021-06-11 13:45:32,190 INFO L151 LiptonReduction]: Number of co-enabled transitions 708 [2021-06-11 13:45:32,271 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:45:32,271 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:45:32,271 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 348 [2021-06-11 13:45:32,272 INFO L480 AbstractCegarLoop]: Abstraction has has 345 places, 833 transitions, 9980 flow [2021-06-11 13:45:32,272 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:32,272 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:45:32,272 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] [2021-06-11 13:45:32,272 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-11 13:45:32,272 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:45:32,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:45:32,272 INFO L82 PathProgramCache]: Analyzing trace with hash 1193366217, now seen corresponding path program 3 times [2021-06-11 13:45:32,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:45:32,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052009047] [2021-06-11 13:45:32,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:45:32,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:45:32,289 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:45:32,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:32,292 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:45:32,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:32,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:32,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:32,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:32,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:32,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:32,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:32,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:32,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:32,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:32,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:32,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:32,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:32,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:32,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:45:32,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:32,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:32,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:32,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:45:32,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:32,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:45:32,385 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:45:32,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:32,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:45:32,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052009047] [2021-06-11 13:45:32,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:45:32,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 13:45:32,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354440364] [2021-06-11 13:45:32,388 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:45:32,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:45:32,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:45:32,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:45:32,389 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 13:45:32,389 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 345 places, 833 transitions, 9980 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:32,389 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:45:32,389 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 13:45:32,389 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:45:33,256 INFO L129 PetriNetUnfolder]: 1335/2430 cut-off events. [2021-06-11 13:45:33,257 INFO L130 PetriNetUnfolder]: For 57096/57110 co-relation queries the response was YES. [2021-06-11 13:45:33,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20127 conditions, 2430 events. 1335/2430 cut-off events. For 57096/57110 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 14846 event pairs, 254 based on Foata normal form. 11/2438 useless extension candidates. Maximal degree in co-relation 19967. Up to 2042 conditions per place. [2021-06-11 13:45:33,283 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 620 selfloop transitions, 232 changer transitions 2/862 dead transitions. [2021-06-11 13:45:33,283 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 862 transitions, 12193 flow [2021-06-11 13:45:33,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-11 13:45:33,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-06-11 13:45:33,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 624 transitions. [2021-06-11 13:45:33,289 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45217391304347826 [2021-06-11 13:45:33,289 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 624 transitions. [2021-06-11 13:45:33,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 624 transitions. [2021-06-11 13:45:33,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:45:33,289 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 624 transitions. [2021-06-11 13:45:33,290 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 31.2) internal successors, (624), 20 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:33,291 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 69.0) internal successors, (1449), 21 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:33,291 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 69.0) internal successors, (1449), 21 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:33,291 INFO L185 Difference]: Start difference. First operand has 345 places, 833 transitions, 9980 flow. Second operand 20 states and 624 transitions. [2021-06-11 13:45:33,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 862 transitions, 12193 flow [2021-06-11 13:45:33,495 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 353 places, 862 transitions, 12070 flow, removed 39 selfloop flow, removed 11 redundant places. [2021-06-11 13:45:33,506 INFO L241 Difference]: Finished difference. Result has 359 places, 844 transitions, 10596 flow [2021-06-11 13:45:33,507 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=9861, PETRI_DIFFERENCE_MINUEND_PLACES=334, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=833, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=223, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=604, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=10596, PETRI_PLACES=359, PETRI_TRANSITIONS=844} [2021-06-11 13:45:33,507 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 320 predicate places. [2021-06-11 13:45:33,508 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:45:33,508 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 359 places, 844 transitions, 10596 flow [2021-06-11 13:45:33,508 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 359 places, 844 transitions, 10596 flow [2021-06-11 13:45:33,512 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 358 places, 844 transitions, 10596 flow [2021-06-11 13:45:33,785 INFO L129 PetriNetUnfolder]: 1148/2232 cut-off events. [2021-06-11 13:45:33,785 INFO L130 PetriNetUnfolder]: For 43834/43989 co-relation queries the response was YES. [2021-06-11 13:45:33,800 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16219 conditions, 2232 events. 1148/2232 cut-off events. For 43834/43989 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 15146 event pairs, 119 based on Foata normal form. 5/2180 useless extension candidates. Maximal degree in co-relation 16074. Up to 881 conditions per place. [2021-06-11 13:45:33,814 INFO L151 LiptonReduction]: Number of co-enabled transitions 718 [2021-06-11 13:45:33,893 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:45:33,893 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:45:33,893 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 385 [2021-06-11 13:45:33,894 INFO L480 AbstractCegarLoop]: Abstraction has has 358 places, 844 transitions, 10596 flow [2021-06-11 13:45:33,894 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:33,894 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:45:33,894 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] [2021-06-11 13:45:33,894 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-11 13:45:33,894 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:45:33,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:45:33,894 INFO L82 PathProgramCache]: Analyzing trace with hash 860820945, now seen corresponding path program 4 times [2021-06-11 13:45:33,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:45:33,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357404540] [2021-06-11 13:45:33,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:45:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:45:33,907 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:45:33,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:33,910 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:45:33,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:33,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:33,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:33,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:33,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:33,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:33,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:33,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:33,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:33,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:33,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:33,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:33,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:45:33,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:33,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:45:33,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:33,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:33,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:33,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:45:34,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:45:34,015 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:45:34,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:34,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:45:34,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357404540] [2021-06-11 13:45:34,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:45:34,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 13:45:34,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503879689] [2021-06-11 13:45:34,018 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:45:34,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:45:34,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:45:34,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:45:34,019 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 13:45:34,019 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 844 transitions, 10596 flow. Second operand has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:34,019 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:45:34,019 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 13:45:34,019 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:45:35,137 INFO L129 PetriNetUnfolder]: 1333/2451 cut-off events. [2021-06-11 13:45:35,137 INFO L130 PetriNetUnfolder]: For 61627/61641 co-relation queries the response was YES. [2021-06-11 13:45:35,155 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20691 conditions, 2451 events. 1333/2451 cut-off events. For 61627/61641 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 15227 event pairs, 241 based on Foata normal form. 11/2459 useless extension candidates. Maximal degree in co-relation 20539. Up to 2004 conditions per place. [2021-06-11 13:45:35,165 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 614 selfloop transitions, 245 changer transitions 2/869 dead transitions. [2021-06-11 13:45:35,166 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 869 transitions, 12771 flow [2021-06-11 13:45:35,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-11 13:45:35,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-06-11 13:45:35,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 740 transitions. [2021-06-11 13:45:35,167 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4468599033816425 [2021-06-11 13:45:35,167 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 740 transitions. [2021-06-11 13:45:35,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 740 transitions. [2021-06-11 13:45:35,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:45:35,168 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 740 transitions. [2021-06-11 13:45:35,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 30.833333333333332) internal successors, (740), 24 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:35,170 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 69.0) internal successors, (1725), 25 states have internal predecessors, (1725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:35,170 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 69.0) internal successors, (1725), 25 states have internal predecessors, (1725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:35,170 INFO L185 Difference]: Start difference. First operand has 358 places, 844 transitions, 10596 flow. Second operand 24 states and 740 transitions. [2021-06-11 13:45:35,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 869 transitions, 12771 flow [2021-06-11 13:45:35,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 869 transitions, 12589 flow, removed 53 selfloop flow, removed 10 redundant places. [2021-06-11 13:45:35,445 INFO L241 Difference]: Finished difference. Result has 377 places, 850 transitions, 11114 flow [2021-06-11 13:45:35,446 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10421, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=844, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=238, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=601, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=11114, PETRI_PLACES=377, PETRI_TRANSITIONS=850} [2021-06-11 13:45:35,446 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 338 predicate places. [2021-06-11 13:45:35,446 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:45:35,446 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 377 places, 850 transitions, 11114 flow [2021-06-11 13:45:35,447 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 377 places, 850 transitions, 11114 flow [2021-06-11 13:45:35,451 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 376 places, 850 transitions, 11114 flow [2021-06-11 13:45:35,702 INFO L129 PetriNetUnfolder]: 1136/2196 cut-off events. [2021-06-11 13:45:35,702 INFO L130 PetriNetUnfolder]: For 48271/48436 co-relation queries the response was YES. [2021-06-11 13:45:35,719 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16624 conditions, 2196 events. 1136/2196 cut-off events. For 48271/48436 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 14706 event pairs, 126 based on Foata normal form. 11/2150 useless extension candidates. Maximal degree in co-relation 16474. Up to 865 conditions per place. [2021-06-11 13:45:35,736 INFO L151 LiptonReduction]: Number of co-enabled transitions 732 [2021-06-11 13:45:35,822 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:45:35,822 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:45:35,822 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 376 [2021-06-11 13:45:35,822 INFO L480 AbstractCegarLoop]: Abstraction has has 376 places, 850 transitions, 11114 flow [2021-06-11 13:45:35,823 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:35,823 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:45:35,823 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] [2021-06-11 13:45:35,823 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-11 13:45:35,823 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:45:35,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:45:35,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1740908121, now seen corresponding path program 3 times [2021-06-11 13:45:35,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:45:35,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433289806] [2021-06-11 13:45:35,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:45:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:45:35,836 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:45:35,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:35,840 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:45:35,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:35,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:35,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:35,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:35,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:35,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:35,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:45:35,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:45:35,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:45:35,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:35,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:35,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:35,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:45:35,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433289806] [2021-06-11 13:45:35,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:45:35,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 13:45:35,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172396756] [2021-06-11 13:45:35,946 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:45:35,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:45:35,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:45:35,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:45:35,946 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 13:45:35,946 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 850 transitions, 11114 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:35,947 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:45:35,947 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 13:45:35,947 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:45:36,861 INFO L129 PetriNetUnfolder]: 1332/2445 cut-off events. [2021-06-11 13:45:36,861 INFO L130 PetriNetUnfolder]: For 64735/64749 co-relation queries the response was YES. [2021-06-11 13:45:36,881 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21152 conditions, 2445 events. 1332/2445 cut-off events. For 64735/64749 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 15118 event pairs, 255 based on Foata normal form. 11/2453 useless extension candidates. Maximal degree in co-relation 20995. Up to 2089 conditions per place. [2021-06-11 13:45:36,890 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 694 selfloop transitions, 166 changer transitions 6/874 dead transitions. [2021-06-11 13:45:36,890 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 874 transitions, 13272 flow [2021-06-11 13:45:36,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-11 13:45:36,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-06-11 13:45:36,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 644 transitions. [2021-06-11 13:45:36,892 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4444444444444444 [2021-06-11 13:45:36,892 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 644 transitions. [2021-06-11 13:45:36,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 644 transitions. [2021-06-11 13:45:36,892 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:45:36,892 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 644 transitions. [2021-06-11 13:45:36,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 30.666666666666668) internal successors, (644), 21 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:36,894 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 69.0) internal successors, (1518), 22 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:36,894 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 69.0) internal successors, (1518), 22 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:36,894 INFO L185 Difference]: Start difference. First operand has 376 places, 850 transitions, 11114 flow. Second operand 21 states and 644 transitions. [2021-06-11 13:45:36,894 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 874 transitions, 13272 flow [2021-06-11 13:45:37,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 874 transitions, 12937 flow, removed 29 selfloop flow, removed 16 redundant places. [2021-06-11 13:45:37,206 INFO L241 Difference]: Finished difference. Result has 384 places, 849 transitions, 11108 flow [2021-06-11 13:45:37,207 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10789, PETRI_DIFFERENCE_MINUEND_PLACES=360, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=850, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=165, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=684, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=11108, PETRI_PLACES=384, PETRI_TRANSITIONS=849} [2021-06-11 13:45:37,207 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 345 predicate places. [2021-06-11 13:45:37,207 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:45:37,207 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 384 places, 849 transitions, 11108 flow [2021-06-11 13:45:37,208 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 384 places, 849 transitions, 11108 flow [2021-06-11 13:45:37,212 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 380 places, 849 transitions, 11108 flow [2021-06-11 13:45:37,457 INFO L129 PetriNetUnfolder]: 1155/2241 cut-off events. [2021-06-11 13:45:37,457 INFO L130 PetriNetUnfolder]: For 46868/47020 co-relation queries the response was YES. [2021-06-11 13:45:37,475 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16588 conditions, 2241 events. 1155/2241 cut-off events. For 46868/47020 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 15098 event pairs, 130 based on Foata normal form. 3/2191 useless extension candidates. Maximal degree in co-relation 16451. Up to 869 conditions per place. [2021-06-11 13:45:37,489 INFO L151 LiptonReduction]: Number of co-enabled transitions 732 [2021-06-11 13:45:37,573 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:45:37,573 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:45:37,573 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 366 [2021-06-11 13:45:37,574 INFO L480 AbstractCegarLoop]: Abstraction has has 380 places, 849 transitions, 11108 flow [2021-06-11 13:45:37,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:37,574 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:45:37,574 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] [2021-06-11 13:45:37,574 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-06-11 13:45:37,574 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:45:37,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:45:37,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1711663877, now seen corresponding path program 4 times [2021-06-11 13:45:37,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:45:37,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713147002] [2021-06-11 13:45:37,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:45:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:45:37,587 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:45:37,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:37,590 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:45:37,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:37,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:37,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:37,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:37,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:37,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:37,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:37,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:37,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:37,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:37,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:37,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:37,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:45:37,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:37,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:45:37,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:37,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:37,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:37,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:37,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:37,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:37,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:37,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:37,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:45:37,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713147002] [2021-06-11 13:45:37,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:45:37,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 13:45:37,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772200419] [2021-06-11 13:45:37,700 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:45:37,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:45:37,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:45:37,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:45:37,701 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 13:45:37,701 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 849 transitions, 11108 flow. Second operand has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:37,701 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:45:37,701 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 13:45:37,701 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:45:38,720 INFO L129 PetriNetUnfolder]: 1329/2452 cut-off events. [2021-06-11 13:45:38,720 INFO L130 PetriNetUnfolder]: For 64483/64490 co-relation queries the response was YES. [2021-06-11 13:45:38,740 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20966 conditions, 2452 events. 1329/2452 cut-off events. For 64483/64490 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 15247 event pairs, 251 based on Foata normal form. 6/2455 useless extension candidates. Maximal degree in co-relation 20826. Up to 2008 conditions per place. [2021-06-11 13:45:38,750 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 633 selfloop transitions, 237 changer transitions 5/883 dead transitions. [2021-06-11 13:45:38,750 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 883 transitions, 13462 flow [2021-06-11 13:45:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-11 13:45:38,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-06-11 13:45:38,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 796 transitions. [2021-06-11 13:45:38,751 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.443701226309922 [2021-06-11 13:45:38,751 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 796 transitions. [2021-06-11 13:45:38,751 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 796 transitions. [2021-06-11 13:45:38,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:45:38,751 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 796 transitions. [2021-06-11 13:45:38,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 30.615384615384617) internal successors, (796), 26 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:38,754 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 69.0) internal successors, (1863), 27 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:38,754 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 69.0) internal successors, (1863), 27 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:38,754 INFO L185 Difference]: Start difference. First operand has 380 places, 849 transitions, 11108 flow. Second operand 26 states and 796 transitions. [2021-06-11 13:45:38,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 883 transitions, 13462 flow [2021-06-11 13:45:39,042 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 883 transitions, 13123 flow, removed 5 selfloop flow, removed 17 redundant places. [2021-06-11 13:45:39,054 INFO L241 Difference]: Finished difference. Result has 394 places, 857 transitions, 11437 flow [2021-06-11 13:45:39,054 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10773, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=849, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=226, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=617, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=11437, PETRI_PLACES=394, PETRI_TRANSITIONS=857} [2021-06-11 13:45:39,055 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 355 predicate places. [2021-06-11 13:45:39,055 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:45:39,055 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 394 places, 857 transitions, 11437 flow [2021-06-11 13:45:39,055 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 394 places, 857 transitions, 11437 flow [2021-06-11 13:45:39,059 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 392 places, 857 transitions, 11437 flow [2021-06-11 13:45:39,322 INFO L129 PetriNetUnfolder]: 1146/2218 cut-off events. [2021-06-11 13:45:39,323 INFO L130 PetriNetUnfolder]: For 49575/49736 co-relation queries the response was YES. [2021-06-11 13:45:39,343 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16772 conditions, 2218 events. 1146/2218 cut-off events. For 49575/49736 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 14906 event pairs, 152 based on Foata normal form. 15/2162 useless extension candidates. Maximal degree in co-relation 16623. Up to 876 conditions per place. [2021-06-11 13:45:39,360 INFO L151 LiptonReduction]: Number of co-enabled transitions 756 [2021-06-11 13:45:39,437 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:45:39,438 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:45:39,438 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 383 [2021-06-11 13:45:39,438 INFO L480 AbstractCegarLoop]: Abstraction has has 392 places, 857 transitions, 11437 flow [2021-06-11 13:45:39,438 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:39,438 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:45:39,438 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] [2021-06-11 13:45:39,438 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-06-11 13:45:39,439 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:45:39,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:45:39,439 INFO L82 PathProgramCache]: Analyzing trace with hash -663126555, now seen corresponding path program 5 times [2021-06-11 13:45:39,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:45:39,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464829840] [2021-06-11 13:45:39,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:45:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:45:39,463 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:45:39,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:39,467 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:45:39,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:39,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:39,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:39,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:39,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:39,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:39,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:39,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:39,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:39,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:39,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:39,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:39,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:39,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:39,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:45:39,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:39,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:45:39,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:39,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:39,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:39,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:39,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:39,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:39,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:45:39,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464829840] [2021-06-11 13:45:39,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:45:39,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 13:45:39,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822796578] [2021-06-11 13:45:39,555 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:45:39,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:45:39,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:45:39,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:45:39,556 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 13:45:39,556 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 857 transitions, 11437 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:39,557 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:45:39,557 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 13:45:39,557 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:45:40,662 INFO L129 PetriNetUnfolder]: 1324/2448 cut-off events. [2021-06-11 13:45:40,662 INFO L130 PetriNetUnfolder]: For 68115/68129 co-relation queries the response was YES. [2021-06-11 13:45:40,679 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21281 conditions, 2448 events. 1324/2448 cut-off events. For 68115/68129 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 15224 event pairs, 251 based on Foata normal form. 11/2456 useless extension candidates. Maximal degree in co-relation 21119. Up to 2042 conditions per place. [2021-06-11 13:45:40,688 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 643 selfloop transitions, 227 changer transitions 2/880 dead transitions. [2021-06-11 13:45:40,688 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 415 places, 880 transitions, 13598 flow [2021-06-11 13:45:40,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-11 13:45:40,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-06-11 13:45:40,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 740 transitions. [2021-06-11 13:45:40,689 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4468599033816425 [2021-06-11 13:45:40,689 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 740 transitions. [2021-06-11 13:45:40,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 740 transitions. [2021-06-11 13:45:40,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:45:40,689 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 740 transitions. [2021-06-11 13:45:40,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 30.833333333333332) internal successors, (740), 24 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:40,691 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 69.0) internal successors, (1725), 25 states have internal predecessors, (1725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:40,691 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 69.0) internal successors, (1725), 25 states have internal predecessors, (1725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:40,691 INFO L185 Difference]: Start difference. First operand has 392 places, 857 transitions, 11437 flow. Second operand 24 states and 740 transitions. [2021-06-11 13:45:40,691 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 415 places, 880 transitions, 13598 flow [2021-06-11 13:45:41,004 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 880 transitions, 13036 flow, removed 68 selfloop flow, removed 21 redundant places. [2021-06-11 13:45:41,016 INFO L241 Difference]: Finished difference. Result has 398 places, 861 transitions, 11408 flow [2021-06-11 13:45:41,016 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10898, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=857, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=222, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=632, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=11408, PETRI_PLACES=398, PETRI_TRANSITIONS=861} [2021-06-11 13:45:41,017 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 359 predicate places. [2021-06-11 13:45:41,017 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:45:41,017 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 398 places, 861 transitions, 11408 flow [2021-06-11 13:45:41,017 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 398 places, 861 transitions, 11408 flow [2021-06-11 13:45:41,021 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 396 places, 861 transitions, 11408 flow [2021-06-11 13:45:41,276 INFO L129 PetriNetUnfolder]: 1143/2227 cut-off events. [2021-06-11 13:45:41,276 INFO L130 PetriNetUnfolder]: For 48685/48775 co-relation queries the response was YES. [2021-06-11 13:45:41,295 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16757 conditions, 2227 events. 1143/2227 cut-off events. For 48685/48775 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 14955 event pairs, 102 based on Foata normal form. 6/2184 useless extension candidates. Maximal degree in co-relation 16601. Up to 859 conditions per place. [2021-06-11 13:45:41,312 INFO L151 LiptonReduction]: Number of co-enabled transitions 750 [2021-06-11 13:45:41,396 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:45:41,396 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:45:41,396 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 379 [2021-06-11 13:45:41,397 INFO L480 AbstractCegarLoop]: Abstraction has has 396 places, 861 transitions, 11408 flow [2021-06-11 13:45:41,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:41,397 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:45:41,397 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] [2021-06-11 13:45:41,397 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-06-11 13:45:41,397 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:45:41,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:45:41,397 INFO L82 PathProgramCache]: Analyzing trace with hash -839694757, now seen corresponding path program 6 times [2021-06-11 13:45:41,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:45:41,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644502719] [2021-06-11 13:45:41,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:45:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:45:41,413 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:45:41,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:41,417 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:45:41,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:41,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:41,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:41,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:41,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:41,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:41,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:41,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:41,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:41,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:41,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:41,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:41,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:45:41,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:41,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:45:41,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:41,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:41,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:41,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:41,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:41,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:41,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:41,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:41,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:45:41,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644502719] [2021-06-11 13:45:41,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:45:41,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 13:45:41,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418936790] [2021-06-11 13:45:41,516 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:45:41,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:45:41,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:45:41,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:45:41,516 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 13:45:41,517 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 861 transitions, 11408 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:41,517 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:45:41,517 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 13:45:41,517 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:45:42,479 INFO L129 PetriNetUnfolder]: 1325/2470 cut-off events. [2021-06-11 13:45:42,479 INFO L130 PetriNetUnfolder]: For 67401/67415 co-relation queries the response was YES. [2021-06-11 13:45:42,500 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21287 conditions, 2470 events. 1325/2470 cut-off events. For 67401/67415 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 15606 event pairs, 246 based on Foata normal form. 11/2478 useless extension candidates. Maximal degree in co-relation 21124. Up to 2089 conditions per place. [2021-06-11 13:45:42,510 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 708 selfloop transitions, 169 changer transitions 3/888 dead transitions. [2021-06-11 13:45:42,510 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 415 places, 888 transitions, 13665 flow [2021-06-11 13:45:42,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-11 13:45:42,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-06-11 13:45:42,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 618 transitions. [2021-06-11 13:45:42,511 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44782608695652176 [2021-06-11 13:45:42,512 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 618 transitions. [2021-06-11 13:45:42,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 618 transitions. [2021-06-11 13:45:42,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:45:42,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 618 transitions. [2021-06-11 13:45:42,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 30.9) internal successors, (618), 20 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:42,513 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 69.0) internal successors, (1449), 21 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:42,513 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 69.0) internal successors, (1449), 21 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:42,513 INFO L185 Difference]: Start difference. First operand has 396 places, 861 transitions, 11408 flow. Second operand 20 states and 618 transitions. [2021-06-11 13:45:42,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 415 places, 888 transitions, 13665 flow [2021-06-11 13:45:42,838 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 888 transitions, 13226 flow, removed 8 selfloop flow, removed 15 redundant places. [2021-06-11 13:45:42,849 INFO L241 Difference]: Finished difference. Result has 404 places, 865 transitions, 11375 flow [2021-06-11 13:45:42,849 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10987, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=861, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=163, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=692, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=11375, PETRI_PLACES=404, PETRI_TRANSITIONS=865} [2021-06-11 13:45:42,850 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 365 predicate places. [2021-06-11 13:45:42,850 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:45:42,850 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 404 places, 865 transitions, 11375 flow [2021-06-11 13:45:42,850 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 404 places, 865 transitions, 11375 flow [2021-06-11 13:45:42,854 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 400 places, 865 transitions, 11375 flow [2021-06-11 13:45:43,114 INFO L129 PetriNetUnfolder]: 1141/2239 cut-off events. [2021-06-11 13:45:43,114 INFO L130 PetriNetUnfolder]: For 48308/48425 co-relation queries the response was YES. [2021-06-11 13:45:43,134 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16680 conditions, 2239 events. 1141/2239 cut-off events. For 48308/48425 co-relation queries the response was YES. Maximal size of possible extension queue 234. Compared 15288 event pairs, 145 based on Foata normal form. 8/2197 useless extension candidates. Maximal degree in co-relation 16542. Up to 860 conditions per place. [2021-06-11 13:45:43,150 INFO L151 LiptonReduction]: Number of co-enabled transitions 758 [2021-06-11 13:45:43,236 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:45:43,236 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:45:43,236 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 386 [2021-06-11 13:45:43,236 INFO L480 AbstractCegarLoop]: Abstraction has has 400 places, 865 transitions, 11375 flow [2021-06-11 13:45:43,237 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:43,237 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:45:43,237 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] [2021-06-11 13:45:43,237 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-06-11 13:45:43,237 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:45:43,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:45:43,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1128156379, now seen corresponding path program 7 times [2021-06-11 13:45:43,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:45:43,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982045990] [2021-06-11 13:45:43,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:45:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:45:43,249 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:45:43,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:43,252 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:45:43,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:43,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:43,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:43,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:43,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:43,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:43,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:43,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:43,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:43,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:43,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:43,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:43,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:45:43,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:43,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:45:43,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:43,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:43,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:43,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:43,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:43,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:43,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:43,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:43,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:45:43,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982045990] [2021-06-11 13:45:43,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:45:43,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 13:45:43,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867270340] [2021-06-11 13:45:43,346 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:45:43,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:45:43,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:45:43,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:45:43,347 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 13:45:43,347 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 865 transitions, 11375 flow. Second operand has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:43,347 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:45:43,347 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 13:45:43,347 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:45:44,409 INFO L129 PetriNetUnfolder]: 1334/2480 cut-off events. [2021-06-11 13:45:44,410 INFO L130 PetriNetUnfolder]: For 67572/67586 co-relation queries the response was YES. [2021-06-11 13:45:44,432 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21424 conditions, 2480 events. 1334/2480 cut-off events. For 67572/67586 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 15643 event pairs, 253 based on Foata normal form. 12/2489 useless extension candidates. Maximal degree in co-relation 21286. Up to 2035 conditions per place. [2021-06-11 13:45:44,443 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 639 selfloop transitions, 247 changer transitions 6/900 dead transitions. [2021-06-11 13:45:44,443 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 900 transitions, 13804 flow [2021-06-11 13:45:44,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-11 13:45:44,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-06-11 13:45:44,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 739 transitions. [2021-06-11 13:45:44,444 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.446256038647343 [2021-06-11 13:45:44,444 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 739 transitions. [2021-06-11 13:45:44,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 739 transitions. [2021-06-11 13:45:44,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:45:44,445 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 739 transitions. [2021-06-11 13:45:44,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 30.791666666666668) internal successors, (739), 24 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:44,446 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 69.0) internal successors, (1725), 25 states have internal predecessors, (1725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:44,447 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 69.0) internal successors, (1725), 25 states have internal predecessors, (1725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:44,447 INFO L185 Difference]: Start difference. First operand has 400 places, 865 transitions, 11375 flow. Second operand 24 states and 739 transitions. [2021-06-11 13:45:44,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 423 places, 900 transitions, 13804 flow [2021-06-11 13:45:44,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 900 transitions, 13484 flow, removed 7 selfloop flow, removed 14 redundant places. [2021-06-11 13:45:44,816 INFO L241 Difference]: Finished difference. Result has 414 places, 876 transitions, 11747 flow [2021-06-11 13:45:44,817 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11055, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=865, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=233, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=629, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=11747, PETRI_PLACES=414, PETRI_TRANSITIONS=876} [2021-06-11 13:45:44,817 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 375 predicate places. [2021-06-11 13:45:44,817 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:45:44,817 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 414 places, 876 transitions, 11747 flow [2021-06-11 13:45:44,818 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 414 places, 876 transitions, 11747 flow [2021-06-11 13:45:44,822 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 411 places, 876 transitions, 11747 flow [2021-06-11 13:45:45,098 INFO L129 PetriNetUnfolder]: 1160/2266 cut-off events. [2021-06-11 13:45:45,098 INFO L130 PetriNetUnfolder]: For 48749/48898 co-relation queries the response was YES. [2021-06-11 13:45:45,119 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17035 conditions, 2266 events. 1160/2266 cut-off events. For 48749/48898 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 15432 event pairs, 132 based on Foata normal form. 10/2209 useless extension candidates. Maximal degree in co-relation 16893. Up to 875 conditions per place. [2021-06-11 13:45:45,137 INFO L151 LiptonReduction]: Number of co-enabled transitions 782 [2021-06-11 13:45:45,224 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:45:45,225 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:45:45,225 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 408 [2021-06-11 13:45:45,225 INFO L480 AbstractCegarLoop]: Abstraction has has 411 places, 876 transitions, 11747 flow [2021-06-11 13:45:45,225 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:45,225 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:45:45,225 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] [2021-06-11 13:45:45,225 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-06-11 13:45:45,226 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:45:45,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:45:45,226 INFO L82 PathProgramCache]: Analyzing trace with hash 2092046469, now seen corresponding path program 5 times [2021-06-11 13:45:45,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:45:45,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102632380] [2021-06-11 13:45:45,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:45:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:45:45,237 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:45:45,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:45,241 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:45:45,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:45,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:45,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:45,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:45,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:45,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:45,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:45,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:45,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:45,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:45,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:45,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:45,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:45:45,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:45,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:45:45,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:45,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:45,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:45,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:45:45,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:45,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:45:45,337 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:45:45,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:45,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:45:45,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102632380] [2021-06-11 13:45:45,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:45:45,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 13:45:45,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994735948] [2021-06-11 13:45:45,339 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:45:45,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:45:45,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:45:45,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:45:45,340 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 13:45:45,340 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 876 transitions, 11747 flow. Second operand has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:45,340 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:45:45,341 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 13:45:45,341 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:45:46,369 INFO L129 PetriNetUnfolder]: 1334/2459 cut-off events. [2021-06-11 13:45:46,369 INFO L130 PetriNetUnfolder]: For 67669/67683 co-relation queries the response was YES. [2021-06-11 13:45:46,391 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21459 conditions, 2459 events. 1334/2459 cut-off events. For 67669/67683 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 15337 event pairs, 247 based on Foata normal form. 13/2469 useless extension candidates. Maximal degree in co-relation 21314. Up to 2025 conditions per place. [2021-06-11 13:45:46,401 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 630 selfloop transitions, 244 changer transitions 9/891 dead transitions. [2021-06-11 13:45:46,401 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 891 transitions, 13824 flow [2021-06-11 13:45:46,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-11 13:45:46,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-06-11 13:45:46,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 711 transitions. [2021-06-11 13:45:46,402 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44801512287334594 [2021-06-11 13:45:46,402 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 711 transitions. [2021-06-11 13:45:46,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 711 transitions. [2021-06-11 13:45:46,402 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:45:46,403 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 711 transitions. [2021-06-11 13:45:46,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 30.91304347826087) internal successors, (711), 23 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:46,404 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 69.0) internal successors, (1656), 24 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:46,404 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 69.0) internal successors, (1656), 24 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:46,404 INFO L185 Difference]: Start difference. First operand has 411 places, 876 transitions, 11747 flow. Second operand 23 states and 711 transitions. [2021-06-11 13:45:46,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 891 transitions, 13824 flow [2021-06-11 13:45:46,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 891 transitions, 13287 flow, removed 3 selfloop flow, removed 19 redundant places. [2021-06-11 13:45:46,755 INFO L241 Difference]: Finished difference. Result has 415 places, 867 transitions, 11540 flow [2021-06-11 13:45:46,755 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11211, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=876, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=244, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=632, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=11540, PETRI_PLACES=415, PETRI_TRANSITIONS=867} [2021-06-11 13:45:46,756 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 376 predicate places. [2021-06-11 13:45:46,756 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:45:46,756 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 415 places, 867 transitions, 11540 flow [2021-06-11 13:45:46,756 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 415 places, 867 transitions, 11540 flow [2021-06-11 13:45:46,761 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 403 places, 867 transitions, 11540 flow [2021-06-11 13:45:47,021 INFO L129 PetriNetUnfolder]: 1146/2245 cut-off events. [2021-06-11 13:45:47,021 INFO L130 PetriNetUnfolder]: For 48333/48448 co-relation queries the response was YES. [2021-06-11 13:45:47,040 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16969 conditions, 2245 events. 1146/2245 cut-off events. For 48333/48448 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 15290 event pairs, 118 based on Foata normal form. 6/2204 useless extension candidates. Maximal degree in co-relation 16825. Up to 860 conditions per place. [2021-06-11 13:45:47,055 INFO L151 LiptonReduction]: Number of co-enabled transitions 782 [2021-06-11 13:45:47,170 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:45:47,170 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:45:47,170 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 414 [2021-06-11 13:45:47,171 INFO L480 AbstractCegarLoop]: Abstraction has has 403 places, 867 transitions, 11540 flow [2021-06-11 13:45:47,171 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:47,171 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:45:47,171 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] [2021-06-11 13:45:47,171 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-06-11 13:45:47,171 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:45:47,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:45:47,171 INFO L82 PathProgramCache]: Analyzing trace with hash -1266961297, now seen corresponding path program 8 times [2021-06-11 13:45:47,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:45:47,171 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905594497] [2021-06-11 13:45:47,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:45:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:45:47,188 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:45:47,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:47,191 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:45:47,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:47,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:47,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:47,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:47,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:47,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:47,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:47,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:47,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:47,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:47,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:47,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:47,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:45:47,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:47,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:45:47,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:47,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:45:47,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:47,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:47,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:47,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:47,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:47,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:47,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:45:47,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905594497] [2021-06-11 13:45:47,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:45:47,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 13:45:47,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572790104] [2021-06-11 13:45:47,281 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:45:47,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:45:47,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:45:47,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:45:47,282 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 13:45:47,282 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 867 transitions, 11540 flow. Second operand has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:47,282 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:45:47,282 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 13:45:47,282 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:45:48,367 INFO L129 PetriNetUnfolder]: 1332/2445 cut-off events. [2021-06-11 13:45:48,367 INFO L130 PetriNetUnfolder]: For 66354/66368 co-relation queries the response was YES. [2021-06-11 13:45:48,388 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21408 conditions, 2445 events. 1332/2445 cut-off events. For 66354/66368 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 15166 event pairs, 251 based on Foata normal form. 11/2453 useless extension candidates. Maximal degree in co-relation 21242. Up to 2016 conditions per place. [2021-06-11 13:45:48,398 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 625 selfloop transitions, 250 changer transitions 2/885 dead transitions. [2021-06-11 13:45:48,398 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 885 transitions, 13654 flow [2021-06-11 13:45:48,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-11 13:45:48,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-06-11 13:45:48,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 792 transitions. [2021-06-11 13:45:48,400 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4414715719063545 [2021-06-11 13:45:48,400 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 792 transitions. [2021-06-11 13:45:48,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 792 transitions. [2021-06-11 13:45:48,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:45:48,400 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 792 transitions. [2021-06-11 13:45:48,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 30.46153846153846) internal successors, (792), 26 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:48,402 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 69.0) internal successors, (1863), 27 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:48,402 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 69.0) internal successors, (1863), 27 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:48,402 INFO L185 Difference]: Start difference. First operand has 403 places, 867 transitions, 11540 flow. Second operand 26 states and 792 transitions. [2021-06-11 13:45:48,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 885 transitions, 13654 flow [2021-06-11 13:45:48,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 885 transitions, 13076 flow, removed 6 selfloop flow, removed 21 redundant places. [2021-06-11 13:45:48,797 INFO L241 Difference]: Finished difference. Result has 410 places, 867 transitions, 11484 flow [2021-06-11 13:45:48,797 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10968, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=867, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=248, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=617, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=11484, PETRI_PLACES=410, PETRI_TRANSITIONS=867} [2021-06-11 13:45:48,804 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 371 predicate places. [2021-06-11 13:45:48,805 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:45:48,805 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 410 places, 867 transitions, 11484 flow [2021-06-11 13:45:48,805 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 410 places, 867 transitions, 11484 flow [2021-06-11 13:45:48,814 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 407 places, 867 transitions, 11484 flow [2021-06-11 13:45:49,168 INFO L129 PetriNetUnfolder]: 1151/2245 cut-off events. [2021-06-11 13:45:49,169 INFO L130 PetriNetUnfolder]: For 46011/46124 co-relation queries the response was YES. [2021-06-11 13:45:49,186 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16915 conditions, 2245 events. 1151/2245 cut-off events. For 46011/46124 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 15077 event pairs, 126 based on Foata normal form. 3/2201 useless extension candidates. Maximal degree in co-relation 16756. Up to 861 conditions per place. [2021-06-11 13:45:49,201 INFO L151 LiptonReduction]: Number of co-enabled transitions 776 [2021-06-11 13:45:49,280 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:45:49,280 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:45:49,280 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 475 [2021-06-11 13:45:49,281 INFO L480 AbstractCegarLoop]: Abstraction has has 407 places, 867 transitions, 11484 flow [2021-06-11 13:45:49,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:49,281 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:45:49,281 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] [2021-06-11 13:45:49,281 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-06-11 13:45:49,281 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:45:49,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:45:49,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1452446499, now seen corresponding path program 9 times [2021-06-11 13:45:49,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:45:49,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720777952] [2021-06-11 13:45:49,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:45:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:45:49,295 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:45:49,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:49,312 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:45:49,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:49,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:49,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:49,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:49,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:49,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:49,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:49,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:49,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:49,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:49,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:49,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:49,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:45:49,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:49,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:45:49,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:49,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:45:49,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:49,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:49,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:49,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:49,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:49,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:49,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:45:49,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720777952] [2021-06-11 13:45:49,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:45:49,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 13:45:49,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180140243] [2021-06-11 13:45:49,417 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:45:49,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:45:49,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:45:49,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:45:49,418 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 13:45:49,418 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 867 transitions, 11484 flow. Second operand has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:49,418 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:45:49,418 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 13:45:49,418 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:45:50,392 INFO L129 PetriNetUnfolder]: 1332/2436 cut-off events. [2021-06-11 13:45:50,393 INFO L130 PetriNetUnfolder]: For 65287/65301 co-relation queries the response was YES. [2021-06-11 13:45:50,413 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21395 conditions, 2436 events. 1332/2436 cut-off events. For 65287/65301 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 15033 event pairs, 241 based on Foata normal form. 12/2445 useless extension candidates. Maximal degree in co-relation 21229. Up to 2036 conditions per place. [2021-06-11 13:45:50,423 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 634 selfloop transitions, 227 changer transitions 8/877 dead transitions. [2021-06-11 13:45:50,423 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 877 transitions, 13475 flow [2021-06-11 13:45:50,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-11 13:45:50,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-06-11 13:45:50,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 650 transitions. [2021-06-11 13:45:50,424 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44858523119392685 [2021-06-11 13:45:50,424 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 650 transitions. [2021-06-11 13:45:50,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 650 transitions. [2021-06-11 13:45:50,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:45:50,424 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 650 transitions. [2021-06-11 13:45:50,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 30.952380952380953) internal successors, (650), 21 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:50,426 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 69.0) internal successors, (1518), 22 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:50,426 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 69.0) internal successors, (1518), 22 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:50,426 INFO L185 Difference]: Start difference. First operand has 407 places, 867 transitions, 11484 flow. Second operand 21 states and 650 transitions. [2021-06-11 13:45:50,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 877 transitions, 13475 flow [2021-06-11 13:45:50,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 877 transitions, 12970 flow, removed 7 selfloop flow, removed 22 redundant places. [2021-06-11 13:45:50,746 INFO L241 Difference]: Finished difference. Result has 406 places, 859 transitions, 11300 flow [2021-06-11 13:45:50,747 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10979, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=867, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=227, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=640, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=11300, PETRI_PLACES=406, PETRI_TRANSITIONS=859} [2021-06-11 13:45:50,747 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 367 predicate places. [2021-06-11 13:45:50,747 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:45:50,748 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 406 places, 859 transitions, 11300 flow [2021-06-11 13:45:50,748 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 406 places, 859 transitions, 11300 flow [2021-06-11 13:45:50,757 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 400 places, 859 transitions, 11300 flow [2021-06-11 13:45:51,008 INFO L129 PetriNetUnfolder]: 1161/2247 cut-off events. [2021-06-11 13:45:51,008 INFO L130 PetriNetUnfolder]: For 47429/47617 co-relation queries the response was YES. [2021-06-11 13:45:51,027 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17020 conditions, 2247 events. 1161/2247 cut-off events. For 47429/47617 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 15199 event pairs, 112 based on Foata normal form. 4/2190 useless extension candidates. Maximal degree in co-relation 16868. Up to 875 conditions per place. [2021-06-11 13:45:51,041 INFO L151 LiptonReduction]: Number of co-enabled transitions 776 [2021-06-11 13:45:51,120 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:45:51,120 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:45:51,120 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 373 [2021-06-11 13:45:51,121 INFO L480 AbstractCegarLoop]: Abstraction has has 400 places, 859 transitions, 11300 flow [2021-06-11 13:45:51,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:51,121 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:45:51,121 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] [2021-06-11 13:45:51,121 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-06-11 13:45:51,121 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:45:51,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:45:51,121 INFO L82 PathProgramCache]: Analyzing trace with hash -276064965, now seen corresponding path program 10 times [2021-06-11 13:45:51,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:45:51,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731175997] [2021-06-11 13:45:51,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:45:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:45:51,133 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:45:51,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:51,136 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:45:51,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:51,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:51,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:51,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:51,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:51,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:51,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:51,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:51,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:51,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:51,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:51,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:51,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:51,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:51,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:45:51,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:51,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:45:51,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:51,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:45:51,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:51,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:51,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:51,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:51,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:45:51,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731175997] [2021-06-11 13:45:51,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:45:51,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 13:45:51,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137772431] [2021-06-11 13:45:51,219 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:45:51,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:45:51,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:45:51,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:45:51,220 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 13:45:51,220 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 859 transitions, 11300 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:51,220 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:45:51,220 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 13:45:51,220 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:45:52,126 INFO L129 PetriNetUnfolder]: 1341/2448 cut-off events. [2021-06-11 13:45:52,126 INFO L130 PetriNetUnfolder]: For 65838/65852 co-relation queries the response was YES. [2021-06-11 13:45:52,145 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21453 conditions, 2448 events. 1341/2448 cut-off events. For 65838/65852 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 15082 event pairs, 238 based on Foata normal form. 11/2456 useless extension candidates. Maximal degree in co-relation 21297. Up to 2048 conditions per place. [2021-06-11 13:45:52,153 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 654 selfloop transitions, 237 changer transitions 9/908 dead transitions. [2021-06-11 13:45:52,153 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 908 transitions, 13940 flow [2021-06-11 13:45:52,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-11 13:45:52,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-06-11 13:45:52,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 626 transitions. [2021-06-11 13:45:52,154 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45362318840579713 [2021-06-11 13:45:52,154 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 626 transitions. [2021-06-11 13:45:52,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 626 transitions. [2021-06-11 13:45:52,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:45:52,155 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 626 transitions. [2021-06-11 13:45:52,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 31.3) internal successors, (626), 20 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:52,156 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 69.0) internal successors, (1449), 21 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:52,156 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 69.0) internal successors, (1449), 21 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:52,156 INFO L185 Difference]: Start difference. First operand has 400 places, 859 transitions, 11300 flow. Second operand 20 states and 626 transitions. [2021-06-11 13:45:52,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 419 places, 908 transitions, 13940 flow [2021-06-11 13:45:52,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 908 transitions, 13440 flow, removed 18 selfloop flow, removed 24 redundant places. [2021-06-11 13:45:52,483 INFO L241 Difference]: Finished difference. Result has 401 places, 881 transitions, 11731 flow [2021-06-11 13:45:52,484 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10812, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=859, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=218, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=627, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=11731, PETRI_PLACES=401, PETRI_TRANSITIONS=881} [2021-06-11 13:45:52,484 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 362 predicate places. [2021-06-11 13:45:52,484 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:45:52,484 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 401 places, 881 transitions, 11731 flow [2021-06-11 13:45:52,484 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 401 places, 881 transitions, 11731 flow [2021-06-11 13:45:52,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 399 places, 881 transitions, 11731 flow [2021-06-11 13:45:52,723 INFO L129 PetriNetUnfolder]: 1168/2216 cut-off events. [2021-06-11 13:45:52,723 INFO L130 PetriNetUnfolder]: For 50530/50747 co-relation queries the response was YES. [2021-06-11 13:45:52,742 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17267 conditions, 2216 events. 1168/2216 cut-off events. For 50530/50747 co-relation queries the response was YES. Maximal size of possible extension queue 224. Compared 14638 event pairs, 123 based on Foata normal form. 5/2132 useless extension candidates. Maximal degree in co-relation 17109. Up to 884 conditions per place. [2021-06-11 13:45:52,758 INFO L151 LiptonReduction]: Number of co-enabled transitions 782 [2021-06-11 13:45:52,847 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:45:52,847 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:45:52,848 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 364 [2021-06-11 13:45:52,848 INFO L480 AbstractCegarLoop]: Abstraction has has 399 places, 881 transitions, 11731 flow [2021-06-11 13:45:52,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:52,848 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:45:52,848 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] [2021-06-11 13:45:52,848 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-06-11 13:45:52,848 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:45:52,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:45:52,849 INFO L82 PathProgramCache]: Analyzing trace with hash -145365579, now seen corresponding path program 11 times [2021-06-11 13:45:52,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:45:52,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641013215] [2021-06-11 13:45:52,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:45:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:45:52,860 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:45:52,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:52,863 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:45:52,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:52,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:52,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:52,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:52,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:52,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:52,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:52,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:52,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:52,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:52,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:52,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:52,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:52,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:52,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:45:52,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:52,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:45:52,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:52,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:52,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:52,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:52,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:52,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:52,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:45:52,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641013215] [2021-06-11 13:45:52,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:45:52,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 13:45:52,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992975757] [2021-06-11 13:45:52,947 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:45:52,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:45:52,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:45:52,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:45:52,948 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 13:45:52,948 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 881 transitions, 11731 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:52,948 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:45:52,948 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 13:45:52,948 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:45:53,916 INFO L129 PetriNetUnfolder]: 1338/2435 cut-off events. [2021-06-11 13:45:53,917 INFO L130 PetriNetUnfolder]: For 70111/70127 co-relation queries the response was YES. [2021-06-11 13:45:53,935 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21709 conditions, 2435 events. 1338/2435 cut-off events. For 70111/70127 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 14890 event pairs, 143 based on Foata normal form. 13/2445 useless extension candidates. Maximal degree in co-relation 21543. Up to 2075 conditions per place. [2021-06-11 13:45:53,944 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 679 selfloop transitions, 205 changer transitions 5/897 dead transitions. [2021-06-11 13:45:53,944 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 897 transitions, 13822 flow [2021-06-11 13:45:53,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-11 13:45:53,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-06-11 13:45:53,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 586 transitions. [2021-06-11 13:45:53,949 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4469870327993898 [2021-06-11 13:45:53,949 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 586 transitions. [2021-06-11 13:45:53,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 586 transitions. [2021-06-11 13:45:53,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:45:53,949 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 586 transitions. [2021-06-11 13:45:53,950 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 30.842105263157894) internal successors, (586), 19 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:53,951 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 69.0) internal successors, (1380), 20 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:53,951 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 69.0) internal successors, (1380), 20 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:53,951 INFO L185 Difference]: Start difference. First operand has 399 places, 881 transitions, 11731 flow. Second operand 19 states and 586 transitions. [2021-06-11 13:45:53,951 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 897 transitions, 13822 flow [2021-06-11 13:45:54,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 897 transitions, 13350 flow, removed 105 selfloop flow, removed 15 redundant places. [2021-06-11 13:45:54,287 INFO L241 Difference]: Finished difference. Result has 405 places, 881 transitions, 11681 flow [2021-06-11 13:45:54,288 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11259, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=881, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=205, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=676, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=11681, PETRI_PLACES=405, PETRI_TRANSITIONS=881} [2021-06-11 13:45:54,288 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 366 predicate places. [2021-06-11 13:45:54,288 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:45:54,288 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 405 places, 881 transitions, 11681 flow [2021-06-11 13:45:54,288 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 405 places, 881 transitions, 11681 flow [2021-06-11 13:45:54,293 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 401 places, 881 transitions, 11681 flow [2021-06-11 13:45:54,549 INFO L129 PetriNetUnfolder]: 1174/2235 cut-off events. [2021-06-11 13:45:54,549 INFO L130 PetriNetUnfolder]: For 47371/47502 co-relation queries the response was YES. [2021-06-11 13:45:54,571 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17087 conditions, 2235 events. 1174/2235 cut-off events. For 47371/47502 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 14804 event pairs, 193 based on Foata normal form. 3/2176 useless extension candidates. Maximal degree in co-relation 16951. Up to 872 conditions per place. [2021-06-11 13:45:54,588 INFO L151 LiptonReduction]: Number of co-enabled transitions 780 [2021-06-11 13:45:54,677 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:45:54,678 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:45:54,678 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 390 [2021-06-11 13:45:54,678 INFO L480 AbstractCegarLoop]: Abstraction has has 401 places, 881 transitions, 11681 flow [2021-06-11 13:45:54,678 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:54,678 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:45:54,678 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] [2021-06-11 13:45:54,679 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-06-11 13:45:54,679 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:45:54,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:45:54,679 INFO L82 PathProgramCache]: Analyzing trace with hash 117709511, now seen corresponding path program 12 times [2021-06-11 13:45:54,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:45:54,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255039561] [2021-06-11 13:45:54,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:45:54,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:45:54,703 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:45:54,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:54,707 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:45:54,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:54,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:54,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:54,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:54,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:54,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:54,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:54,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:54,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:54,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:54,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:54,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:54,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:54,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:54,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:45:54,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:54,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:54,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:54,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:54,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:54,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:54,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:54,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:54,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:45:54,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255039561] [2021-06-11 13:45:54,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:45:54,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 13:45:54,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441265219] [2021-06-11 13:45:54,792 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:45:54,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:45:54,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:45:54,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:45:54,792 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 13:45:54,793 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 401 places, 881 transitions, 11681 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:54,793 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:45:54,793 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 13:45:54,793 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:45:55,783 INFO L129 PetriNetUnfolder]: 1337/2426 cut-off events. [2021-06-11 13:45:55,783 INFO L130 PetriNetUnfolder]: For 67533/67547 co-relation queries the response was YES. [2021-06-11 13:45:55,804 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21497 conditions, 2426 events. 1337/2426 cut-off events. For 67533/67547 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 14753 event pairs, 237 based on Foata normal form. 11/2434 useless extension candidates. Maximal degree in co-relation 21354. Up to 2051 conditions per place. [2021-06-11 13:45:55,814 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 673 selfloop transitions, 216 changer transitions 3/900 dead transitions. [2021-06-11 13:45:55,814 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 900 transitions, 13878 flow [2021-06-11 13:45:55,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-11 13:45:55,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-06-11 13:45:55,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 595 transitions. [2021-06-11 13:45:55,816 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45385202135774216 [2021-06-11 13:45:55,816 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 595 transitions. [2021-06-11 13:45:55,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 595 transitions. [2021-06-11 13:45:55,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:45:55,816 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 595 transitions. [2021-06-11 13:45:55,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 31.31578947368421) internal successors, (595), 19 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:55,817 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 69.0) internal successors, (1380), 20 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:55,817 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 69.0) internal successors, (1380), 20 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:55,817 INFO L185 Difference]: Start difference. First operand has 401 places, 881 transitions, 11681 flow. Second operand 19 states and 595 transitions. [2021-06-11 13:45:55,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 419 places, 900 transitions, 13878 flow [2021-06-11 13:45:56,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 900 transitions, 13456 flow, removed 2 selfloop flow, removed 18 redundant places. [2021-06-11 13:45:56,110 INFO L241 Difference]: Finished difference. Result has 402 places, 878 transitions, 11633 flow [2021-06-11 13:45:56,111 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11259, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=881, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=216, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=665, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=11633, PETRI_PLACES=402, PETRI_TRANSITIONS=878} [2021-06-11 13:45:56,111 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 363 predicate places. [2021-06-11 13:45:56,111 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:45:56,111 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 402 places, 878 transitions, 11633 flow [2021-06-11 13:45:56,111 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 402 places, 878 transitions, 11633 flow [2021-06-11 13:45:56,115 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 394 places, 878 transitions, 11633 flow [2021-06-11 13:45:56,377 INFO L129 PetriNetUnfolder]: 1171/2227 cut-off events. [2021-06-11 13:45:56,377 INFO L130 PetriNetUnfolder]: For 47657/47808 co-relation queries the response was YES. [2021-06-11 13:45:56,396 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17019 conditions, 2227 events. 1171/2227 cut-off events. For 47657/47808 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 14690 event pairs, 166 based on Foata normal form. 3/2160 useless extension candidates. Maximal degree in co-relation 16878. Up to 864 conditions per place. [2021-06-11 13:45:56,413 INFO L151 LiptonReduction]: Number of co-enabled transitions 780 [2021-06-11 13:45:56,501 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:45:56,501 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:45:56,501 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 390 [2021-06-11 13:45:56,502 INFO L480 AbstractCegarLoop]: Abstraction has has 394 places, 878 transitions, 11633 flow [2021-06-11 13:45:56,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:56,502 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:45:56,502 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] [2021-06-11 13:45:56,502 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-06-11 13:45:56,502 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:45:56,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:45:56,502 INFO L82 PathProgramCache]: Analyzing trace with hash 654433291, now seen corresponding path program 13 times [2021-06-11 13:45:56,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:45:56,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643100056] [2021-06-11 13:45:56,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:45:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:45:56,514 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:45:56,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:56,517 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:45:56,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:56,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:56,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:56,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:56,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:56,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:56,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:56,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:56,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:56,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:56,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:56,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:56,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:56,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:56,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:45:56,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:56,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:45:56,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:56,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:56,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:56,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:56,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:56,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:56,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:45:56,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643100056] [2021-06-11 13:45:56,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:45:56,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 13:45:56,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881194902] [2021-06-11 13:45:56,596 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:45:56,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:45:56,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:45:56,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:45:56,598 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 13:45:56,599 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 878 transitions, 11633 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:56,599 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:45:56,599 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 13:45:56,599 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:45:57,563 INFO L129 PetriNetUnfolder]: 1332/2443 cut-off events. [2021-06-11 13:45:57,564 INFO L130 PetriNetUnfolder]: For 67446/67460 co-relation queries the response was YES. [2021-06-11 13:45:57,580 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21516 conditions, 2443 events. 1332/2443 cut-off events. For 67446/67460 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 15058 event pairs, 240 based on Foata normal form. 12/2452 useless extension candidates. Maximal degree in co-relation 21372. Up to 2049 conditions per place. [2021-06-11 13:45:57,589 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 668 selfloop transitions, 218 changer transitions 5/899 dead transitions. [2021-06-11 13:45:57,589 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 415 places, 899 transitions, 13808 flow [2021-06-11 13:45:57,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-11 13:45:57,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-06-11 13:45:57,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 671 transitions. [2021-06-11 13:45:57,590 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4420289855072464 [2021-06-11 13:45:57,590 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 671 transitions. [2021-06-11 13:45:57,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 671 transitions. [2021-06-11 13:45:57,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:45:57,590 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 671 transitions. [2021-06-11 13:45:57,591 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 30.5) internal successors, (671), 22 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:57,592 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 69.0) internal successors, (1587), 23 states have internal predecessors, (1587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:57,592 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 69.0) internal successors, (1587), 23 states have internal predecessors, (1587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:57,592 INFO L185 Difference]: Start difference. First operand has 394 places, 878 transitions, 11633 flow. Second operand 22 states and 671 transitions. [2021-06-11 13:45:57,592 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 415 places, 899 transitions, 13808 flow [2021-06-11 13:45:57,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 899 transitions, 13300 flow, removed 17 selfloop flow, removed 19 redundant places. [2021-06-11 13:45:57,854 INFO L241 Difference]: Finished difference. Result has 400 places, 878 transitions, 11572 flow [2021-06-11 13:45:57,854 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11127, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=878, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=214, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=660, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=11572, PETRI_PLACES=400, PETRI_TRANSITIONS=878} [2021-06-11 13:45:57,855 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 361 predicate places. [2021-06-11 13:45:57,855 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:45:57,855 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 400 places, 878 transitions, 11572 flow [2021-06-11 13:45:57,855 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 400 places, 878 transitions, 11572 flow [2021-06-11 13:45:57,859 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 397 places, 878 transitions, 11572 flow [2021-06-11 13:45:58,111 INFO L129 PetriNetUnfolder]: 1154/2224 cut-off events. [2021-06-11 13:45:58,112 INFO L130 PetriNetUnfolder]: For 47351/47461 co-relation queries the response was YES. [2021-06-11 13:45:58,130 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16966 conditions, 2224 events. 1154/2224 cut-off events. For 47351/47461 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 14852 event pairs, 95 based on Foata normal form. 2/2172 useless extension candidates. Maximal degree in co-relation 16820. Up to 859 conditions per place. [2021-06-11 13:45:58,145 INFO L151 LiptonReduction]: Number of co-enabled transitions 768 [2021-06-11 13:45:58,231 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:45:58,232 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:45:58,232 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 377 [2021-06-11 13:45:58,232 INFO L480 AbstractCegarLoop]: Abstraction has has 397 places, 878 transitions, 11572 flow [2021-06-11 13:45:58,232 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:58,232 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:45:58,232 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] [2021-06-11 13:45:58,232 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-06-11 13:45:58,232 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:45:58,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:45:58,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1780362199, now seen corresponding path program 14 times [2021-06-11 13:45:58,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:45:58,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006578183] [2021-06-11 13:45:58,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:45:58,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:45:58,244 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:45:58,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:58,247 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:45:58,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:58,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:58,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:58,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:58,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:58,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:58,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:58,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:58,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:58,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:58,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:58,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:58,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:58,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:58,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:45:58,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:58,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:45:58,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:58,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:58,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:58,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:58,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:58,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:58,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:45:58,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006578183] [2021-06-11 13:45:58,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:45:58,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 13:45:58,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944117397] [2021-06-11 13:45:58,330 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:45:58,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:45:58,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:45:58,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:45:58,331 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 13:45:58,331 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 878 transitions, 11572 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:58,331 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:45:58,331 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 13:45:58,331 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:45:59,230 INFO L129 PetriNetUnfolder]: 1332/2436 cut-off events. [2021-06-11 13:45:59,230 INFO L130 PetriNetUnfolder]: For 67626/67640 co-relation queries the response was YES. [2021-06-11 13:45:59,252 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21449 conditions, 2436 events. 1332/2436 cut-off events. For 67626/67640 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 14999 event pairs, 243 based on Foata normal form. 11/2444 useless extension candidates. Maximal degree in co-relation 21301. Up to 2059 conditions per place. [2021-06-11 13:45:59,261 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 674 selfloop transitions, 207 changer transitions 4/893 dead transitions. [2021-06-11 13:45:59,261 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 893 transitions, 13681 flow [2021-06-11 13:45:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-11 13:45:59,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-06-11 13:45:59,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 533 transitions. [2021-06-11 13:45:59,262 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45439045183290705 [2021-06-11 13:45:59,262 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 533 transitions. [2021-06-11 13:45:59,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 533 transitions. [2021-06-11 13:45:59,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:45:59,262 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 533 transitions. [2021-06-11 13:45:59,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 31.352941176470587) internal successors, (533), 17 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:59,264 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 69.0) internal successors, (1242), 18 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:59,264 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 69.0) internal successors, (1242), 18 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:59,264 INFO L185 Difference]: Start difference. First operand has 397 places, 878 transitions, 11572 flow. Second operand 17 states and 533 transitions. [2021-06-11 13:45:59,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 893 transitions, 13681 flow [2021-06-11 13:45:59,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 893 transitions, 13189 flow, removed 16 selfloop flow, removed 19 redundant places. [2021-06-11 13:45:59,584 INFO L241 Difference]: Finished difference. Result has 395 places, 874 transitions, 11443 flow [2021-06-11 13:45:59,585 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11083, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=878, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=207, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=671, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=11443, PETRI_PLACES=395, PETRI_TRANSITIONS=874} [2021-06-11 13:45:59,585 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 356 predicate places. [2021-06-11 13:45:59,585 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:45:59,585 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 395 places, 874 transitions, 11443 flow [2021-06-11 13:45:59,585 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 395 places, 874 transitions, 11443 flow [2021-06-11 13:45:59,589 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 389 places, 874 transitions, 11443 flow [2021-06-11 13:45:59,833 INFO L129 PetriNetUnfolder]: 1155/2209 cut-off events. [2021-06-11 13:45:59,833 INFO L130 PetriNetUnfolder]: For 47579/47696 co-relation queries the response was YES. [2021-06-11 13:45:59,854 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16883 conditions, 2209 events. 1155/2209 cut-off events. For 47579/47696 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 14650 event pairs, 120 based on Foata normal form. 3/2157 useless extension candidates. Maximal degree in co-relation 16761. Up to 854 conditions per place. [2021-06-11 13:45:59,871 INFO L151 LiptonReduction]: Number of co-enabled transitions 768 [2021-06-11 13:45:59,959 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:45:59,959 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:45:59,960 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 375 [2021-06-11 13:45:59,960 INFO L480 AbstractCegarLoop]: Abstraction has has 389 places, 874 transitions, 11443 flow [2021-06-11 13:45:59,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:59,960 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:45:59,960 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] [2021-06-11 13:45:59,960 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-06-11 13:45:59,960 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:45:59,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:45:59,961 INFO L82 PathProgramCache]: Analyzing trace with hash 322518225, now seen corresponding path program 15 times [2021-06-11 13:45:59,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:45:59,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356202666] [2021-06-11 13:45:59,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:45:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:45:59,971 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:45:59,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:59,975 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:45:59,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:59,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:59,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:45:59,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:59,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:45:59,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:59,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:00,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:00,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:00,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:00,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:00,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:00,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:00,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:00,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:46:00,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:00,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:46:00,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:00,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:46:00,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:00,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:00,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:00,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:00,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:46:00,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356202666] [2021-06-11 13:46:00,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:46:00,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 13:46:00,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142113236] [2021-06-11 13:46:00,055 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:46:00,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:46:00,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:46:00,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:46:00,055 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 13:46:00,056 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 874 transitions, 11443 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:00,056 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:46:00,056 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 13:46:00,056 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:46:00,968 INFO L129 PetriNetUnfolder]: 1332/2430 cut-off events. [2021-06-11 13:46:00,969 INFO L130 PetriNetUnfolder]: For 67129/67143 co-relation queries the response was YES. [2021-06-11 13:46:00,987 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21334 conditions, 2430 events. 1332/2430 cut-off events. For 67129/67143 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 14898 event pairs, 245 based on Foata normal form. 11/2438 useless extension candidates. Maximal degree in co-relation 21210. Up to 2039 conditions per place. [2021-06-11 13:46:00,997 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 652 selfloop transitions, 230 changer transitions 3/893 dead transitions. [2021-06-11 13:46:00,997 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 407 places, 893 transitions, 13548 flow [2021-06-11 13:46:00,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-11 13:46:00,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-06-11 13:46:00,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 596 transitions. [2021-06-11 13:46:00,998 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45461479786422576 [2021-06-11 13:46:00,998 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 596 transitions. [2021-06-11 13:46:00,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 596 transitions. [2021-06-11 13:46:00,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:46:00,998 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 596 transitions. [2021-06-11 13:46:00,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 31.36842105263158) internal successors, (596), 19 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:01,000 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 69.0) internal successors, (1380), 20 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:01,000 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 69.0) internal successors, (1380), 20 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:01,000 INFO L185 Difference]: Start difference. First operand has 389 places, 874 transitions, 11443 flow. Second operand 19 states and 596 transitions. [2021-06-11 13:46:01,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 407 places, 893 transitions, 13548 flow [2021-06-11 13:46:01,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 893 transitions, 13120 flow, removed 7 selfloop flow, removed 14 redundant places. [2021-06-11 13:46:01,268 INFO L241 Difference]: Finished difference. Result has 395 places, 876 transitions, 11538 flow [2021-06-11 13:46:01,268 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11015, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=874, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=225, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=644, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=11538, PETRI_PLACES=395, PETRI_TRANSITIONS=876} [2021-06-11 13:46:01,268 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 356 predicate places. [2021-06-11 13:46:01,268 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:46:01,269 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 395 places, 876 transitions, 11538 flow [2021-06-11 13:46:01,269 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 395 places, 876 transitions, 11538 flow [2021-06-11 13:46:01,273 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 393 places, 876 transitions, 11538 flow [2021-06-11 13:46:01,516 INFO L129 PetriNetUnfolder]: 1150/2190 cut-off events. [2021-06-11 13:46:01,517 INFO L130 PetriNetUnfolder]: For 46149/46281 co-relation queries the response was YES. [2021-06-11 13:46:01,533 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16760 conditions, 2190 events. 1150/2190 cut-off events. For 46149/46281 co-relation queries the response was YES. Maximal size of possible extension queue 224. Compared 14353 event pairs, 88 based on Foata normal form. 4/2133 useless extension candidates. Maximal degree in co-relation 16602. Up to 854 conditions per place. [2021-06-11 13:46:01,548 INFO L151 LiptonReduction]: Number of co-enabled transitions 768 [2021-06-11 13:46:01,632 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:46:01,632 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:46:01,632 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 364 [2021-06-11 13:46:01,633 INFO L480 AbstractCegarLoop]: Abstraction has has 393 places, 876 transitions, 11538 flow [2021-06-11 13:46:01,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:01,633 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:46:01,633 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] [2021-06-11 13:46:01,633 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-06-11 13:46:01,633 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:46:01,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:46:01,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1140956827, now seen corresponding path program 16 times [2021-06-11 13:46:01,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:46:01,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525161573] [2021-06-11 13:46:01,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:46:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:46:01,645 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:46:01,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:01,649 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:46:01,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:01,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:01,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:46:01,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:01,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:01,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:01,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:01,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:01,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:01,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:01,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:01,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:01,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:01,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:01,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:46:01,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:01,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:46:01,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:01,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:01,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:01,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:01,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:01,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:01,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:46:01,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525161573] [2021-06-11 13:46:01,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:46:01,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 13:46:01,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709895111] [2021-06-11 13:46:01,732 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:46:01,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:46:01,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:46:01,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:46:01,733 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 13:46:01,733 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 393 places, 876 transitions, 11538 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:01,733 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:46:01,733 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 13:46:01,733 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:46:02,555 INFO L129 PetriNetUnfolder]: 1332/2415 cut-off events. [2021-06-11 13:46:02,555 INFO L130 PetriNetUnfolder]: For 67218/67232 co-relation queries the response was YES. [2021-06-11 13:46:02,574 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21391 conditions, 2415 events. 1332/2415 cut-off events. For 67218/67232 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 14680 event pairs, 244 based on Foata normal form. 11/2423 useless extension candidates. Maximal degree in co-relation 21231. Up to 2066 conditions per place. [2021-06-11 13:46:02,584 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 681 selfloop transitions, 192 changer transitions 5/886 dead transitions. [2021-06-11 13:46:02,584 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 886 transitions, 13555 flow [2021-06-11 13:46:02,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-11 13:46:02,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-06-11 13:46:02,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 527 transitions. [2021-06-11 13:46:02,585 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4492753623188406 [2021-06-11 13:46:02,585 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 527 transitions. [2021-06-11 13:46:02,585 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 527 transitions. [2021-06-11 13:46:02,585 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:46:02,585 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 527 transitions. [2021-06-11 13:46:02,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 31.0) internal successors, (527), 17 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:02,586 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 69.0) internal successors, (1242), 18 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:02,586 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 69.0) internal successors, (1242), 18 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:02,586 INFO L185 Difference]: Start difference. First operand has 393 places, 876 transitions, 11538 flow. Second operand 17 states and 527 transitions. [2021-06-11 13:46:02,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 886 transitions, 13555 flow [2021-06-11 13:46:02,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 886 transitions, 13088 flow, removed 15 selfloop flow, removed 18 redundant places. [2021-06-11 13:46:02,871 INFO L241 Difference]: Finished difference. Result has 392 places, 871 transitions, 11404 flow [2021-06-11 13:46:02,872 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11071, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=876, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=192, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=684, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=11404, PETRI_PLACES=392, PETRI_TRANSITIONS=871} [2021-06-11 13:46:02,872 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 353 predicate places. [2021-06-11 13:46:02,872 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:46:02,872 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 392 places, 871 transitions, 11404 flow [2021-06-11 13:46:02,872 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 392 places, 871 transitions, 11404 flow [2021-06-11 13:46:02,876 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 382 places, 871 transitions, 11404 flow [2021-06-11 13:46:03,114 INFO L129 PetriNetUnfolder]: 1158/2221 cut-off events. [2021-06-11 13:46:03,114 INFO L130 PetriNetUnfolder]: For 47884/48044 co-relation queries the response was YES. [2021-06-11 13:46:03,132 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16908 conditions, 2221 events. 1158/2221 cut-off events. For 47884/48044 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 14765 event pairs, 105 based on Foata normal form. 3/2160 useless extension candidates. Maximal degree in co-relation 16778. Up to 867 conditions per place. [2021-06-11 13:46:03,149 INFO L151 LiptonReduction]: Number of co-enabled transitions 768 [2021-06-11 13:46:03,271 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:46:03,272 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:46:03,272 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 400 [2021-06-11 13:46:03,272 INFO L480 AbstractCegarLoop]: Abstraction has has 382 places, 871 transitions, 11404 flow [2021-06-11 13:46:03,272 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:03,272 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:46:03,272 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] [2021-06-11 13:46:03,272 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-06-11 13:46:03,272 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:46:03,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:46:03,273 INFO L82 PathProgramCache]: Analyzing trace with hash 544458899, now seen corresponding path program 6 times [2021-06-11 13:46:03,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:46:03,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775303299] [2021-06-11 13:46:03,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:46:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:46:03,283 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:46:03,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:03,286 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:46:03,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:03,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:03,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:46:03,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:03,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:03,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:03,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:03,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:03,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:03,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:03,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:03,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:03,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:03,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:03,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:46:03,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:03,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:03,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:03,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:46:03,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:03,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:46:03,378 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:46:03,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:03,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:46:03,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775303299] [2021-06-11 13:46:03,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:46:03,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 13:46:03,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662440152] [2021-06-11 13:46:03,380 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:46:03,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:46:03,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:46:03,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:46:03,381 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 13:46:03,381 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 871 transitions, 11404 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:03,381 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:46:03,381 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 13:46:03,381 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:46:04,269 INFO L129 PetriNetUnfolder]: 1332/2410 cut-off events. [2021-06-11 13:46:04,269 INFO L130 PetriNetUnfolder]: For 66643/66657 co-relation queries the response was YES. [2021-06-11 13:46:04,289 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21280 conditions, 2410 events. 1332/2410 cut-off events. For 66643/66657 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 14604 event pairs, 239 based on Foata normal form. 11/2418 useless extension candidates. Maximal degree in co-relation 21157. Up to 2046 conditions per place. [2021-06-11 13:46:04,299 INFO L132 encePairwiseOnDemand]: 50/69 looper letters, 666 selfloop transitions, 207 changer transitions 3/884 dead transitions. [2021-06-11 13:46:04,299 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 884 transitions, 13453 flow [2021-06-11 13:46:04,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-11 13:46:04,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-06-11 13:46:04,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 592 transitions. [2021-06-11 13:46:04,300 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45156369183829137 [2021-06-11 13:46:04,300 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 592 transitions. [2021-06-11 13:46:04,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 592 transitions. [2021-06-11 13:46:04,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:46:04,300 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 592 transitions. [2021-06-11 13:46:04,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 31.157894736842106) internal successors, (592), 19 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:04,302 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 69.0) internal successors, (1380), 20 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:04,302 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 69.0) internal successors, (1380), 20 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:04,302 INFO L185 Difference]: Start difference. First operand has 382 places, 871 transitions, 11404 flow. Second operand 19 states and 592 transitions. [2021-06-11 13:46:04,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 884 transitions, 13453 flow [2021-06-11 13:46:04,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 884 transitions, 12892 flow, removed 8 selfloop flow, removed 16 redundant places. [2021-06-11 13:46:04,603 INFO L241 Difference]: Finished difference. Result has 385 places, 868 transitions, 11220 flow [2021-06-11 13:46:04,604 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10843, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=871, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=207, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=664, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=11220, PETRI_PLACES=385, PETRI_TRANSITIONS=868} [2021-06-11 13:46:04,604 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 346 predicate places. [2021-06-11 13:46:04,604 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:46:04,604 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 385 places, 868 transitions, 11220 flow [2021-06-11 13:46:04,604 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 385 places, 868 transitions, 11220 flow [2021-06-11 13:46:04,608 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 379 places, 868 transitions, 11220 flow [2021-06-11 13:46:04,850 INFO L129 PetriNetUnfolder]: 1173/2223 cut-off events. [2021-06-11 13:46:04,850 INFO L130 PetriNetUnfolder]: For 47463/47650 co-relation queries the response was YES. [2021-06-11 13:46:04,867 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16732 conditions, 2223 events. 1173/2223 cut-off events. For 47463/47650 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 14641 event pairs, 156 based on Foata normal form. 2/2145 useless extension candidates. Maximal degree in co-relation 16605. Up to 878 conditions per place. [2021-06-11 13:46:04,883 INFO L151 LiptonReduction]: Number of co-enabled transitions 768 [2021-06-11 13:46:04,970 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:46:04,970 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:46:04,970 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 366 [2021-06-11 13:46:04,970 INFO L480 AbstractCegarLoop]: Abstraction has has 379 places, 868 transitions, 11220 flow [2021-06-11 13:46:04,970 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:04,970 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:46:04,970 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] [2021-06-11 13:46:04,971 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-06-11 13:46:04,971 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:46:04,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:46:04,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1343153211, now seen corresponding path program 7 times [2021-06-11 13:46:04,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:46:04,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948413554] [2021-06-11 13:46:04,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:46:04,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:46:04,984 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:46:04,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:04,987 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:46:04,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:04,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:04,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:46:04,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:04,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:05,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:05,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:05,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:05,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:05,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:05,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:05,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:05,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:05,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:05,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:46:05,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:05,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:05,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:05,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:46:05,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:05,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:46:05,088 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:46:05,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:05,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:46:05,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948413554] [2021-06-11 13:46:05,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:46:05,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 13:46:05,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606233274] [2021-06-11 13:46:05,090 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:46:05,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:46:05,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:46:05,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:46:05,091 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 13:46:05,091 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 868 transitions, 11220 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:05,091 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:46:05,091 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 13:46:05,091 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:46:06,193 INFO L129 PetriNetUnfolder]: 1445/2628 cut-off events. [2021-06-11 13:46:06,193 INFO L130 PetriNetUnfolder]: For 69550/69557 co-relation queries the response was YES. [2021-06-11 13:46:06,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22343 conditions, 2628 events. 1445/2628 cut-off events. For 69550/69557 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 16374 event pairs, 240 based on Foata normal form. 6/2630 useless extension candidates. Maximal degree in co-relation 22213. Up to 2066 conditions per place. [2021-06-11 13:46:06,225 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 668 selfloop transitions, 358 changer transitions 2/1036 dead transitions. [2021-06-11 13:46:06,226 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 1036 transitions, 15303 flow [2021-06-11 13:46:06,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-11 13:46:06,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-06-11 13:46:06,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 676 transitions. [2021-06-11 13:46:06,227 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4665286404416839 [2021-06-11 13:46:06,227 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 676 transitions. [2021-06-11 13:46:06,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 676 transitions. [2021-06-11 13:46:06,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:46:06,227 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 676 transitions. [2021-06-11 13:46:06,228 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 32.19047619047619) internal successors, (676), 21 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:06,229 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 69.0) internal successors, (1518), 22 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:06,229 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 69.0) internal successors, (1518), 22 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:06,229 INFO L185 Difference]: Start difference. First operand has 379 places, 868 transitions, 11220 flow. Second operand 21 states and 676 transitions. [2021-06-11 13:46:06,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 1036 transitions, 15303 flow [2021-06-11 13:46:06,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 1036 transitions, 14834 flow, removed 13 selfloop flow, removed 17 redundant places. [2021-06-11 13:46:06,563 INFO L241 Difference]: Finished difference. Result has 388 places, 984 transitions, 13345 flow [2021-06-11 13:46:06,564 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10805, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=868, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=256, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=561, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=13345, PETRI_PLACES=388, PETRI_TRANSITIONS=984} [2021-06-11 13:46:06,564 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 349 predicate places. [2021-06-11 13:46:06,564 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:46:06,564 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 388 places, 984 transitions, 13345 flow [2021-06-11 13:46:06,565 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 388 places, 984 transitions, 13345 flow [2021-06-11 13:46:06,570 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 388 places, 984 transitions, 13345 flow [2021-06-11 13:46:06,854 INFO L129 PetriNetUnfolder]: 1279/2412 cut-off events. [2021-06-11 13:46:06,855 INFO L130 PetriNetUnfolder]: For 55077/55344 co-relation queries the response was YES. [2021-06-11 13:46:06,875 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18694 conditions, 2412 events. 1279/2412 cut-off events. For 55077/55344 co-relation queries the response was YES. Maximal size of possible extension queue 259. Compared 16057 event pairs, 173 based on Foata normal form. 16/2346 useless extension candidates. Maximal degree in co-relation 18505. Up to 933 conditions per place. [2021-06-11 13:46:06,892 INFO L151 LiptonReduction]: Number of co-enabled transitions 852 [2021-06-11 13:46:07,002 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:46:07,003 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:46:07,003 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 439 [2021-06-11 13:46:07,003 INFO L480 AbstractCegarLoop]: Abstraction has has 388 places, 984 transitions, 13345 flow [2021-06-11 13:46:07,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:07,003 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:46:07,003 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] [2021-06-11 13:46:07,003 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-06-11 13:46:07,004 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:46:07,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:46:07,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1293311435, now seen corresponding path program 8 times [2021-06-11 13:46:07,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:46:07,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188686088] [2021-06-11 13:46:07,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:46:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:46:07,015 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:46:07,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:07,019 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:46:07,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:07,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:07,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:46:07,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:07,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:07,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:07,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:07,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:07,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:07,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:07,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:07,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:07,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:07,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:07,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:46:07,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:07,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:07,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:07,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:46:07,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:07,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:46:07,111 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:46:07,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:07,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:46:07,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188686088] [2021-06-11 13:46:07,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:46:07,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 13:46:07,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500478077] [2021-06-11 13:46:07,114 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:46:07,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:46:07,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:46:07,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:46:07,114 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 13:46:07,114 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 984 transitions, 13345 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:07,114 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:46:07,115 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 13:46:07,115 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:46:08,205 INFO L129 PetriNetUnfolder]: 1445/2613 cut-off events. [2021-06-11 13:46:08,205 INFO L130 PetriNetUnfolder]: For 74402/74416 co-relation queries the response was YES. [2021-06-11 13:46:08,224 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23209 conditions, 2613 events. 1445/2613 cut-off events. For 74402/74416 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 16112 event pairs, 237 based on Foata normal form. 11/2622 useless extension candidates. Maximal degree in co-relation 23004. Up to 2066 conditions per place. [2021-06-11 13:46:08,234 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 664 selfloop transitions, 355 changer transitions 3/1030 dead transitions. [2021-06-11 13:46:08,234 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 1030 transitions, 15889 flow [2021-06-11 13:46:08,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-11 13:46:08,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-06-11 13:46:08,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 614 transitions. [2021-06-11 13:46:08,235 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4683447749809306 [2021-06-11 13:46:08,235 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 614 transitions. [2021-06-11 13:46:08,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 614 transitions. [2021-06-11 13:46:08,235 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:46:08,235 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 614 transitions. [2021-06-11 13:46:08,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 32.31578947368421) internal successors, (614), 19 states have internal predecessors, (614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:08,237 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 69.0) internal successors, (1380), 20 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:08,237 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 69.0) internal successors, (1380), 20 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:08,237 INFO L185 Difference]: Start difference. First operand has 388 places, 984 transitions, 13345 flow. Second operand 19 states and 614 transitions. [2021-06-11 13:46:08,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 1030 transitions, 15889 flow [2021-06-11 13:46:08,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 1030 transitions, 15210 flow, removed 219 selfloop flow, removed 10 redundant places. [2021-06-11 13:46:08,625 INFO L241 Difference]: Finished difference. Result has 397 places, 981 transitions, 13357 flow [2021-06-11 13:46:08,626 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=12668, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=984, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=355, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=629, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=13357, PETRI_PLACES=397, PETRI_TRANSITIONS=981} [2021-06-11 13:46:08,626 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 358 predicate places. [2021-06-11 13:46:08,626 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:46:08,626 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 397 places, 981 transitions, 13357 flow [2021-06-11 13:46:08,626 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 397 places, 981 transitions, 13357 flow [2021-06-11 13:46:08,631 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 397 places, 981 transitions, 13357 flow [2021-06-11 13:46:08,907 INFO L129 PetriNetUnfolder]: 1266/2386 cut-off events. [2021-06-11 13:46:08,907 INFO L130 PetriNetUnfolder]: For 51551/51708 co-relation queries the response was YES. [2021-06-11 13:46:08,927 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18648 conditions, 2386 events. 1266/2386 cut-off events. For 51551/51708 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 15950 event pairs, 170 based on Foata normal form. 21/2343 useless extension candidates. Maximal degree in co-relation 18457. Up to 919 conditions per place. [2021-06-11 13:46:08,945 INFO L151 LiptonReduction]: Number of co-enabled transitions 848 [2021-06-11 13:46:09,052 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:46:09,052 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:46:09,052 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 426 [2021-06-11 13:46:09,053 INFO L480 AbstractCegarLoop]: Abstraction has has 397 places, 981 transitions, 13357 flow [2021-06-11 13:46:09,053 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:09,053 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:46:09,053 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] [2021-06-11 13:46:09,053 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-06-11 13:46:09,053 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:46:09,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:46:09,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1535281043, now seen corresponding path program 9 times [2021-06-11 13:46:09,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:46:09,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505073902] [2021-06-11 13:46:09,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:46:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:46:09,063 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:46:09,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:09,067 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:46:09,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:09,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:09,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:46:09,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:09,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:09,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:09,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:09,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:09,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:09,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:09,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:09,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:09,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:09,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:09,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:46:09,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:09,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:09,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:09,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:09,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:09,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:46:09,160 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:46:09,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:09,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:46:09,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505073902] [2021-06-11 13:46:09,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:46:09,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 13:46:09,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653554312] [2021-06-11 13:46:09,171 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:46:09,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:46:09,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:46:09,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:46:09,172 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 13:46:09,172 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 981 transitions, 13357 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:09,172 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:46:09,172 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 13:46:09,172 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:46:10,229 INFO L129 PetriNetUnfolder]: 1445/2596 cut-off events. [2021-06-11 13:46:10,229 INFO L130 PetriNetUnfolder]: For 70529/70538 co-relation queries the response was YES. [2021-06-11 13:46:10,250 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23230 conditions, 2596 events. 1445/2596 cut-off events. For 70529/70538 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 15925 event pairs, 146 based on Foata normal form. 8/2602 useless extension candidates. Maximal degree in co-relation 23023. Up to 2127 conditions per place. [2021-06-11 13:46:10,301 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 691 selfloop transitions, 312 changer transitions 4/1015 dead transitions. [2021-06-11 13:46:10,301 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 1015 transitions, 15827 flow [2021-06-11 13:46:10,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-11 13:46:10,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-06-11 13:46:10,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 550 transitions. [2021-06-11 13:46:10,302 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46888320545609546 [2021-06-11 13:46:10,302 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 550 transitions. [2021-06-11 13:46:10,302 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 550 transitions. [2021-06-11 13:46:10,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:46:10,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 550 transitions. [2021-06-11 13:46:10,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 32.35294117647059) internal successors, (550), 17 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:10,304 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 69.0) internal successors, (1242), 18 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:10,304 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 69.0) internal successors, (1242), 18 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:10,304 INFO L185 Difference]: Start difference. First operand has 397 places, 981 transitions, 13357 flow. Second operand 17 states and 550 transitions. [2021-06-11 13:46:10,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 1015 transitions, 15827 flow [2021-06-11 13:46:10,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 1015 transitions, 15072 flow, removed 10 selfloop flow, removed 19 redundant places. [2021-06-11 13:46:10,618 INFO L241 Difference]: Finished difference. Result has 395 places, 981 transitions, 13268 flow [2021-06-11 13:46:10,619 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=12618, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=981, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=308, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=669, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=13268, PETRI_PLACES=395, PETRI_TRANSITIONS=981} [2021-06-11 13:46:10,619 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 356 predicate places. [2021-06-11 13:46:10,619 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:46:10,619 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 395 places, 981 transitions, 13268 flow [2021-06-11 13:46:10,619 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 395 places, 981 transitions, 13268 flow [2021-06-11 13:46:10,624 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 395 places, 981 transitions, 13268 flow [2021-06-11 13:46:10,893 INFO L129 PetriNetUnfolder]: 1270/2407 cut-off events. [2021-06-11 13:46:10,893 INFO L130 PetriNetUnfolder]: For 49036/49163 co-relation queries the response was YES. [2021-06-11 13:46:10,913 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18508 conditions, 2407 events. 1270/2407 cut-off events. For 49036/49163 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 16155 event pairs, 112 based on Foata normal form. 6/2366 useless extension candidates. Maximal degree in co-relation 18355. Up to 923 conditions per place. [2021-06-11 13:46:10,930 INFO L151 LiptonReduction]: Number of co-enabled transitions 856 [2021-06-11 13:46:11,041 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:46:11,041 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:46:11,041 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 422 [2021-06-11 13:46:11,042 INFO L480 AbstractCegarLoop]: Abstraction has has 395 places, 981 transitions, 13268 flow [2021-06-11 13:46:11,042 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:11,042 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:46:11,042 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] [2021-06-11 13:46:11,042 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-06-11 13:46:11,042 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:46:11,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:46:11,042 INFO L82 PathProgramCache]: Analyzing trace with hash -258862635, now seen corresponding path program 3 times [2021-06-11 13:46:11,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:46:11,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86163403] [2021-06-11 13:46:11,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:46:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:46:11,053 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:46:11,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:11,057 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:46:11,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:11,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:11,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:46:11,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:11,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:11,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:11,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:11,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:11,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:46:11,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:11,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:11,109 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 13:46:11,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:46:11,130 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 13:46:11,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:46:11,151 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 13:46:11,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:46:11,176 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 13:46:11,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:46:11,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:11,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:46:11,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:11,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:46:11,235 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:46:11,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:11,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:46:11,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86163403] [2021-06-11 13:46:11,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:46:11,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-11 13:46:11,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011576600] [2021-06-11 13:46:11,237 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 13:46:11,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:46:11,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 13:46:11,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-06-11 13:46:11,238 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 13:46:11,238 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 981 transitions, 13268 flow. Second operand has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:11,238 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:46:11,238 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 13:46:11,238 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:46:12,636 INFO L129 PetriNetUnfolder]: 1484/2678 cut-off events. [2021-06-11 13:46:12,637 INFO L130 PetriNetUnfolder]: For 70836/70843 co-relation queries the response was YES. [2021-06-11 13:46:12,658 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23702 conditions, 2678 events. 1484/2678 cut-off events. For 70836/70843 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 16591 event pairs, 222 based on Foata normal form. 6/2682 useless extension candidates. Maximal degree in co-relation 23504. Up to 2128 conditions per place. [2021-06-11 13:46:12,668 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 708 selfloop transitions, 340 changer transitions 2/1058 dead transitions. [2021-06-11 13:46:12,668 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 424 places, 1058 transitions, 16886 flow [2021-06-11 13:46:12,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-11 13:46:12,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-06-11 13:46:12,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 920 transitions. [2021-06-11 13:46:12,669 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4444444444444444 [2021-06-11 13:46:12,669 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 920 transitions. [2021-06-11 13:46:12,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 920 transitions. [2021-06-11 13:46:12,670 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:46:12,670 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 920 transitions. [2021-06-11 13:46:12,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 30.666666666666668) internal successors, (920), 30 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:12,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 69.0) internal successors, (2139), 31 states have internal predecessors, (2139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:12,672 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 69.0) internal successors, (2139), 31 states have internal predecessors, (2139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:12,672 INFO L185 Difference]: Start difference. First operand has 395 places, 981 transitions, 13268 flow. Second operand 30 states and 920 transitions. [2021-06-11 13:46:12,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 424 places, 1058 transitions, 16886 flow [2021-06-11 13:46:13,053 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 410 places, 1058 transitions, 16301 flow, removed 11 selfloop flow, removed 14 redundant places. [2021-06-11 13:46:13,066 INFO L241 Difference]: Finished difference. Result has 424 places, 1023 transitions, 14309 flow [2021-06-11 13:46:13,066 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=12686, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=981, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=301, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=669, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=14309, PETRI_PLACES=424, PETRI_TRANSITIONS=1023} [2021-06-11 13:46:13,066 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 385 predicate places. [2021-06-11 13:46:13,067 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:46:13,067 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 424 places, 1023 transitions, 14309 flow [2021-06-11 13:46:13,067 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 424 places, 1023 transitions, 14309 flow [2021-06-11 13:46:13,072 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 423 places, 1023 transitions, 14309 flow [2021-06-11 13:46:13,407 INFO L129 PetriNetUnfolder]: 1313/2479 cut-off events. [2021-06-11 13:46:13,407 INFO L130 PetriNetUnfolder]: For 63637/63809 co-relation queries the response was YES. [2021-06-11 13:46:13,435 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20255 conditions, 2479 events. 1313/2479 cut-off events. For 63637/63809 co-relation queries the response was YES. Maximal size of possible extension queue 259. Compared 16492 event pairs, 148 based on Foata normal form. 9/2437 useless extension candidates. Maximal degree in co-relation 20091. Up to 946 conditions per place. [2021-06-11 13:46:13,456 INFO L151 LiptonReduction]: Number of co-enabled transitions 882 [2021-06-11 13:46:13,576 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:46:13,577 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:46:13,577 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 510 [2021-06-11 13:46:13,577 INFO L480 AbstractCegarLoop]: Abstraction has has 423 places, 1023 transitions, 14309 flow [2021-06-11 13:46:13,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:13,577 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:46:13,577 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] [2021-06-11 13:46:13,577 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-06-11 13:46:13,577 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:46:13,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:46:13,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1868381124, now seen corresponding path program 1 times [2021-06-11 13:46:13,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:46:13,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136166006] [2021-06-11 13:46:13,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:46:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:46:13,588 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:46:13,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:13,591 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:46:13,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:13,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:13,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:46:13,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:13,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:13,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:13,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:13,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:13,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:13,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:13,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:13,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:13,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:13,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:13,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:46:13,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:13,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:46:13,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:13,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:13,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:13,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:13,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:13,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:46:13,683 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:46:13,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:13,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:46:13,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136166006] [2021-06-11 13:46:13,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:46:13,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 13:46:13,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542158374] [2021-06-11 13:46:13,685 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:46:13,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:46:13,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:46:13,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:46:13,686 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 13:46:13,686 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 1023 transitions, 14309 flow. Second operand has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:13,686 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:46:13,686 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 13:46:13,687 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:46:14,897 INFO L129 PetriNetUnfolder]: 1487/2700 cut-off events. [2021-06-11 13:46:14,897 INFO L130 PetriNetUnfolder]: For 85999/86013 co-relation queries the response was YES. [2021-06-11 13:46:14,932 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25065 conditions, 2700 events. 1487/2700 cut-off events. For 85999/86013 co-relation queries the response was YES. Maximal size of possible extension queue 251. Compared 16883 event pairs, 249 based on Foata normal form. 11/2709 useless extension candidates. Maximal degree in co-relation 24884. Up to 2193 conditions per place. [2021-06-11 13:46:14,945 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 737 selfloop transitions, 320 changer transitions 3/1068 dead transitions. [2021-06-11 13:46:14,945 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 1068 transitions, 17116 flow [2021-06-11 13:46:14,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-11 13:46:14,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-06-11 13:46:14,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 578 transitions. [2021-06-11 13:46:14,957 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46537842190016104 [2021-06-11 13:46:14,957 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 578 transitions. [2021-06-11 13:46:14,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 578 transitions. [2021-06-11 13:46:14,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:46:14,957 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 578 transitions. [2021-06-11 13:46:14,958 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 32.111111111111114) internal successors, (578), 18 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:14,969 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 69.0) internal successors, (1311), 19 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:14,969 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 69.0) internal successors, (1311), 19 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:14,969 INFO L185 Difference]: Start difference. First operand has 423 places, 1023 transitions, 14309 flow. Second operand 18 states and 578 transitions. [2021-06-11 13:46:14,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 440 places, 1068 transitions, 17116 flow [2021-06-11 13:46:15,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 1068 transitions, 16579 flow, removed 190 selfloop flow, removed 13 redundant places. [2021-06-11 13:46:15,400 INFO L241 Difference]: Finished difference. Result has 431 places, 1030 transitions, 14706 flow [2021-06-11 13:46:15,401 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=13779, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1023, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=313, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=708, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=14706, PETRI_PLACES=431, PETRI_TRANSITIONS=1030} [2021-06-11 13:46:15,401 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 392 predicate places. [2021-06-11 13:46:15,401 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:46:15,401 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 431 places, 1030 transitions, 14706 flow [2021-06-11 13:46:15,401 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 431 places, 1030 transitions, 14706 flow [2021-06-11 13:46:15,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 431 places, 1030 transitions, 14706 flow [2021-06-11 13:46:15,726 INFO L129 PetriNetUnfolder]: 1315/2473 cut-off events. [2021-06-11 13:46:15,727 INFO L130 PetriNetUnfolder]: For 65894/66085 co-relation queries the response was YES. [2021-06-11 13:46:15,749 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20735 conditions, 2473 events. 1315/2473 cut-off events. For 65894/66085 co-relation queries the response was YES. Maximal size of possible extension queue 269. Compared 16503 event pairs, 150 based on Foata normal form. 7/2415 useless extension candidates. Maximal degree in co-relation 20564. Up to 955 conditions per place. [2021-06-11 13:46:15,768 INFO L151 LiptonReduction]: Number of co-enabled transitions 882 [2021-06-11 13:46:15,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:15,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:46:16,056 INFO L163 LiptonReduction]: Checked pairs total: 1 [2021-06-11 13:46:16,056 INFO L165 LiptonReduction]: Total number of compositions: 1 [2021-06-11 13:46:16,056 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 655 [2021-06-11 13:46:16,056 INFO L480 AbstractCegarLoop]: Abstraction has has 431 places, 1030 transitions, 14716 flow [2021-06-11 13:46:16,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:16,057 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:46:16,057 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] [2021-06-11 13:46:16,057 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-06-11 13:46:16,057 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:46:16,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:46:16,057 INFO L82 PathProgramCache]: Analyzing trace with hash -507641959, now seen corresponding path program 4 times [2021-06-11 13:46:16,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:46:16,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757492204] [2021-06-11 13:46:16,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:46:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:46:16,068 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:46:16,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:16,071 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:46:16,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:16,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:16,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:46:16,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:16,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:16,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:16,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:16,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:16,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:16,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:16,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:46:16,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:16,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:16,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:16,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:46:16,129 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 13:46:16,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:46:16,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:16,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:16,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:16,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:46:16,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:16,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:46:16,188 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:46:16,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:16,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:46:16,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757492204] [2021-06-11 13:46:16,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:46:16,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 13:46:16,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013853848] [2021-06-11 13:46:16,191 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:46:16,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:46:16,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:46:16,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:46:16,191 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:46:16,192 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 431 places, 1030 transitions, 14716 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:16,192 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:46:16,192 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:46:16,192 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:46:17,766 INFO L129 PetriNetUnfolder]: 1531/2798 cut-off events. [2021-06-11 13:46:17,767 INFO L130 PetriNetUnfolder]: For 94178/94185 co-relation queries the response was YES. [2021-06-11 13:46:17,793 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26533 conditions, 2798 events. 1531/2798 cut-off events. For 94178/94185 co-relation queries the response was YES. Maximal size of possible extension queue 271. Compared 17791 event pairs, 236 based on Foata normal form. 6/2802 useless extension candidates. Maximal degree in co-relation 26355. Up to 2041 conditions per place. [2021-06-11 13:46:17,805 INFO L132 encePairwiseOnDemand]: 49/70 looper letters, 671 selfloop transitions, 538 changer transitions 2/1219 dead transitions. [2021-06-11 13:46:17,805 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 1219 transitions, 19851 flow [2021-06-11 13:46:17,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-11 13:46:17,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-06-11 13:46:17,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 976 transitions. [2021-06-11 13:46:17,806 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4497695852534562 [2021-06-11 13:46:17,806 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 976 transitions. [2021-06-11 13:46:17,806 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 976 transitions. [2021-06-11 13:46:17,807 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:46:17,807 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 976 transitions. [2021-06-11 13:46:17,807 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 31.483870967741936) internal successors, (976), 31 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:17,809 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 70.0) internal successors, (2240), 32 states have internal predecessors, (2240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:17,809 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 70.0) internal successors, (2240), 32 states have internal predecessors, (2240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:17,809 INFO L185 Difference]: Start difference. First operand has 431 places, 1030 transitions, 14716 flow. Second operand 31 states and 976 transitions. [2021-06-11 13:46:17,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 1219 transitions, 19851 flow [2021-06-11 13:46:18,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 1219 transitions, 19154 flow, removed 41 selfloop flow, removed 16 redundant places. [2021-06-11 13:46:18,345 INFO L241 Difference]: Finished difference. Result has 456 places, 1158 transitions, 17353 flow [2021-06-11 13:46:18,346 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=14066, PETRI_DIFFERENCE_MINUEND_PLACES=415, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1030, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=418, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=574, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=17353, PETRI_PLACES=456, PETRI_TRANSITIONS=1158} [2021-06-11 13:46:18,346 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 417 predicate places. [2021-06-11 13:46:18,346 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:46:18,346 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 456 places, 1158 transitions, 17353 flow [2021-06-11 13:46:18,346 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 456 places, 1158 transitions, 17353 flow [2021-06-11 13:46:18,352 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 456 places, 1158 transitions, 17353 flow [2021-06-11 13:46:18,704 INFO L129 PetriNetUnfolder]: 1343/2575 cut-off events. [2021-06-11 13:46:18,704 INFO L130 PetriNetUnfolder]: For 77390/77625 co-relation queries the response was YES. [2021-06-11 13:46:18,728 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22477 conditions, 2575 events. 1343/2575 cut-off events. For 77390/77625 co-relation queries the response was YES. Maximal size of possible extension queue 295. Compared 17695 event pairs, 151 based on Foata normal form. 6/2516 useless extension candidates. Maximal degree in co-relation 22263. Up to 1005 conditions per place. [2021-06-11 13:46:18,749 INFO L151 LiptonReduction]: Number of co-enabled transitions 904 [2021-06-11 13:46:18,902 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:46:18,903 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:46:18,903 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 557 [2021-06-11 13:46:18,903 INFO L480 AbstractCegarLoop]: Abstraction has has 456 places, 1158 transitions, 17353 flow [2021-06-11 13:46:18,903 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:18,903 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:46:18,903 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] [2021-06-11 13:46:18,903 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-06-11 13:46:18,903 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:46:18,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:46:18,904 INFO L82 PathProgramCache]: Analyzing trace with hash -859845520, now seen corresponding path program 2 times [2021-06-11 13:46:18,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:46:18,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898892737] [2021-06-11 13:46:18,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:46:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:46:18,913 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:46:18,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:18,917 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:46:18,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:18,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:18,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:46:18,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:18,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:18,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:18,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:18,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:18,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:18,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:18,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:18,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:18,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:18,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:18,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:46:18,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:18,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:18,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:18,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:18,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:18,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:18,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:18,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:46:19,010 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:46:19,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:19,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:46:19,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898892737] [2021-06-11 13:46:19,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:46:19,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 13:46:19,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817963552] [2021-06-11 13:46:19,012 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:46:19,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:46:19,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:46:19,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:46:19,013 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:46:19,013 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 1158 transitions, 17353 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:19,013 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:46:19,013 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:46:19,013 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:46:20,465 INFO L129 PetriNetUnfolder]: 1530/2790 cut-off events. [2021-06-11 13:46:20,465 INFO L130 PetriNetUnfolder]: For 105101/105110 co-relation queries the response was YES. [2021-06-11 13:46:20,490 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27627 conditions, 2790 events. 1530/2790 cut-off events. For 105101/105110 co-relation queries the response was YES. Maximal size of possible extension queue 273. Compared 17676 event pairs, 139 based on Foata normal form. 8/2796 useless extension candidates. Maximal degree in co-relation 27384. Up to 2285 conditions per place. [2021-06-11 13:46:20,505 INFO L132 encePairwiseOnDemand]: 50/70 looper letters, 834 selfloop transitions, 345 changer transitions 3/1190 dead transitions. [2021-06-11 13:46:20,505 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 1190 transitions, 20312 flow [2021-06-11 13:46:20,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-11 13:46:20,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-06-11 13:46:20,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 688 transitions. [2021-06-11 13:46:20,506 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44675324675324674 [2021-06-11 13:46:20,506 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 688 transitions. [2021-06-11 13:46:20,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 688 transitions. [2021-06-11 13:46:20,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:46:20,506 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 688 transitions. [2021-06-11 13:46:20,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 31.272727272727273) internal successors, (688), 22 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:20,509 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 70.0) internal successors, (1610), 23 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:20,509 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 70.0) internal successors, (1610), 23 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:20,509 INFO L185 Difference]: Start difference. First operand has 456 places, 1158 transitions, 17353 flow. Second operand 22 states and 688 transitions. [2021-06-11 13:46:20,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 1190 transitions, 20312 flow [2021-06-11 13:46:21,098 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 466 places, 1190 transitions, 19598 flow, removed 256 selfloop flow, removed 11 redundant places. [2021-06-11 13:46:21,113 INFO L241 Difference]: Finished difference. Result has 470 places, 1164 transitions, 17481 flow [2021-06-11 13:46:21,114 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=16647, PETRI_DIFFERENCE_MINUEND_PLACES=445, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=338, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=815, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=17481, PETRI_PLACES=470, PETRI_TRANSITIONS=1164} [2021-06-11 13:46:21,114 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 431 predicate places. [2021-06-11 13:46:21,114 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:46:21,115 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 470 places, 1164 transitions, 17481 flow [2021-06-11 13:46:21,115 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 470 places, 1164 transitions, 17481 flow [2021-06-11 13:46:21,121 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 468 places, 1164 transitions, 17481 flow [2021-06-11 13:46:21,543 INFO L129 PetriNetUnfolder]: 1364/2593 cut-off events. [2021-06-11 13:46:21,543 INFO L130 PetriNetUnfolder]: For 79457/79647 co-relation queries the response was YES. [2021-06-11 13:46:21,570 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22854 conditions, 2593 events. 1364/2593 cut-off events. For 79457/79647 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 17636 event pairs, 140 based on Foata normal form. 4/2530 useless extension candidates. Maximal degree in co-relation 22669. Up to 1019 conditions per place. [2021-06-11 13:46:21,589 INFO L151 LiptonReduction]: Number of co-enabled transitions 904 [2021-06-11 13:46:21,743 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:46:21,743 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:46:21,743 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 629 [2021-06-11 13:46:21,744 INFO L480 AbstractCegarLoop]: Abstraction has has 468 places, 1164 transitions, 17481 flow [2021-06-11 13:46:21,744 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:21,744 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:46:21,744 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] [2021-06-11 13:46:21,744 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-06-11 13:46:21,744 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:46:21,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:46:21,744 INFO L82 PathProgramCache]: Analyzing trace with hash 591031785, now seen corresponding path program 5 times [2021-06-11 13:46:21,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:46:21,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392055682] [2021-06-11 13:46:21,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:46:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:46:21,754 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:46:21,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:21,758 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:46:21,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:21,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:21,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:46:21,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:21,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:21,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:21,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:21,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:21,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:46:21,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:21,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:21,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:21,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:46:21,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:21,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:46:21,836 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 13:46:21,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:46:21,859 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 13:46:21,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:46:21,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:21,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:46:21,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:21,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:46:21,909 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:46:21,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:21,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:46:21,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392055682] [2021-06-11 13:46:21,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:46:21,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-11 13:46:21,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530420910] [2021-06-11 13:46:21,912 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 13:46:21,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:46:21,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 13:46:21,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-06-11 13:46:21,912 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:46:21,912 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 468 places, 1164 transitions, 17481 flow. Second operand has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:21,912 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:46:21,913 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:46:21,913 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:46:23,893 INFO L129 PetriNetUnfolder]: 1620/2974 cut-off events. [2021-06-11 13:46:23,894 INFO L130 PetriNetUnfolder]: For 118308/118322 co-relation queries the response was YES. [2021-06-11 13:46:23,918 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29859 conditions, 2974 events. 1620/2974 cut-off events. For 118308/118322 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 19262 event pairs, 211 based on Foata normal form. 11/2983 useless extension candidates. Maximal degree in co-relation 29652. Up to 2209 conditions per place. [2021-06-11 13:46:23,931 INFO L132 encePairwiseOnDemand]: 49/70 looper letters, 841 selfloop transitions, 494 changer transitions 4/1347 dead transitions. [2021-06-11 13:46:23,931 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 510 places, 1347 transitions, 23962 flow [2021-06-11 13:46:23,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-11 13:46:23,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2021-06-11 13:46:23,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 1320 transitions. [2021-06-11 13:46:23,932 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43853820598006643 [2021-06-11 13:46:23,932 INFO L72 ComplementDD]: Start complementDD. Operand 43 states and 1320 transitions. [2021-06-11 13:46:23,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 1320 transitions. [2021-06-11 13:46:23,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:46:23,933 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 43 states and 1320 transitions. [2021-06-11 13:46:23,934 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 44 states, 43 states have (on average 30.697674418604652) internal successors, (1320), 43 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:23,935 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 44 states, 44 states have (on average 70.0) internal successors, (3080), 44 states have internal predecessors, (3080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:23,935 INFO L81 ComplementDD]: Finished complementDD. Result has 44 states, 44 states have (on average 70.0) internal successors, (3080), 44 states have internal predecessors, (3080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:23,935 INFO L185 Difference]: Start difference. First operand has 468 places, 1164 transitions, 17481 flow. Second operand 43 states and 1320 transitions. [2021-06-11 13:46:23,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 510 places, 1347 transitions, 23962 flow [2021-06-11 13:46:24,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 494 places, 1347 transitions, 23175 flow, removed 76 selfloop flow, removed 16 redundant places. [2021-06-11 13:46:24,545 INFO L241 Difference]: Finished difference. Result has 515 places, 1299 transitions, 20607 flow [2021-06-11 13:46:24,546 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=16792, PETRI_DIFFERENCE_MINUEND_PLACES=452, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=376, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=745, PETRI_DIFFERENCE_SUBTRAHEND_STATES=43, PETRI_FLOW=20607, PETRI_PLACES=515, PETRI_TRANSITIONS=1299} [2021-06-11 13:46:24,546 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 476 predicate places. [2021-06-11 13:46:24,546 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:46:24,546 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 515 places, 1299 transitions, 20607 flow [2021-06-11 13:46:24,546 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 515 places, 1299 transitions, 20607 flow [2021-06-11 13:46:24,553 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 515 places, 1299 transitions, 20607 flow [2021-06-11 13:46:25,012 INFO L129 PetriNetUnfolder]: 1422/2736 cut-off events. [2021-06-11 13:46:25,012 INFO L130 PetriNetUnfolder]: For 104446/104694 co-relation queries the response was YES. [2021-06-11 13:46:25,043 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25845 conditions, 2736 events. 1422/2736 cut-off events. For 104446/104694 co-relation queries the response was YES. Maximal size of possible extension queue 318. Compared 19097 event pairs, 111 based on Foata normal form. 34/2721 useless extension candidates. Maximal degree in co-relation 25620. Up to 1105 conditions per place. [2021-06-11 13:46:25,066 INFO L151 LiptonReduction]: Number of co-enabled transitions 988 [2021-06-11 13:46:25,263 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:46:25,263 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:46:25,263 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 717 [2021-06-11 13:46:25,263 INFO L480 AbstractCegarLoop]: Abstraction has has 515 places, 1299 transitions, 20607 flow [2021-06-11 13:46:25,263 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:25,263 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:46:25,263 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] [2021-06-11 13:46:25,264 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-06-11 13:46:25,264 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:46:25,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:46:25,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1409662552, now seen corresponding path program 1 times [2021-06-11 13:46:25,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:46:25,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256696698] [2021-06-11 13:46:25,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:46:25,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:46:25,274 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:46:25,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:25,277 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:46:25,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:25,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:25,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:46:25,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:25,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:25,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:25,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:25,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:25,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:25,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:25,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:46:25,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:25,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:25,324 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-06-11 13:46:25,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:46:25,328 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-06-11 13:46:25,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:46:25,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:25,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:25,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:25,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:46:25,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:25,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:46:25,383 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:46:25,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:25,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:46:25,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256696698] [2021-06-11 13:46:25,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:46:25,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 13:46:25,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862377471] [2021-06-11 13:46:25,385 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:46:25,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:46:25,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:46:25,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:46:25,386 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:46:25,386 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 515 places, 1299 transitions, 20607 flow. Second operand has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:25,386 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:46:25,386 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:46:25,386 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:46:27,311 INFO L129 PetriNetUnfolder]: 1660/3088 cut-off events. [2021-06-11 13:46:27,311 INFO L130 PetriNetUnfolder]: For 139077/139084 co-relation queries the response was YES. [2021-06-11 13:46:27,342 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32284 conditions, 3088 events. 1660/3088 cut-off events. For 139077/139084 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 20414 event pairs, 236 based on Foata normal form. 7/3093 useless extension candidates. Maximal degree in co-relation 32048. Up to 2465 conditions per place. [2021-06-11 13:46:27,357 INFO L132 encePairwiseOnDemand]: 50/70 looper letters, 1093 selfloop transitions, 399 changer transitions 4/1504 dead transitions. [2021-06-11 13:46:27,357 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 544 places, 1504 transitions, 27943 flow [2021-06-11 13:46:27,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-11 13:46:27,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-06-11 13:46:27,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 950 transitions. [2021-06-11 13:46:27,358 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4523809523809524 [2021-06-11 13:46:27,358 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 950 transitions. [2021-06-11 13:46:27,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 950 transitions. [2021-06-11 13:46:27,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:46:27,359 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 950 transitions. [2021-06-11 13:46:27,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 31.666666666666668) internal successors, (950), 30 states have internal predecessors, (950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:27,360 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 70.0) internal successors, (2170), 31 states have internal predecessors, (2170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:27,361 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 70.0) internal successors, (2170), 31 states have internal predecessors, (2170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:27,361 INFO L185 Difference]: Start difference. First operand has 515 places, 1299 transitions, 20607 flow. Second operand 30 states and 950 transitions. [2021-06-11 13:46:27,361 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 544 places, 1504 transitions, 27943 flow [2021-06-11 13:46:28,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 1504 transitions, 26714 flow, removed 514 selfloop flow, removed 11 redundant places. [2021-06-11 13:46:28,360 INFO L241 Difference]: Finished difference. Result has 545 places, 1446 transitions, 24152 flow [2021-06-11 13:46:28,361 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=19427, PETRI_DIFFERENCE_MINUEND_PLACES=504, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=260, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=998, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=24152, PETRI_PLACES=545, PETRI_TRANSITIONS=1446} [2021-06-11 13:46:28,361 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 506 predicate places. [2021-06-11 13:46:28,361 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:46:28,361 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 545 places, 1446 transitions, 24152 flow [2021-06-11 13:46:28,361 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 545 places, 1446 transitions, 24152 flow [2021-06-11 13:46:28,370 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 545 places, 1446 transitions, 24152 flow [2021-06-11 13:46:28,873 INFO L129 PetriNetUnfolder]: 1462/2846 cut-off events. [2021-06-11 13:46:28,873 INFO L130 PetriNetUnfolder]: For 121780/121929 co-relation queries the response was YES. [2021-06-11 13:46:28,907 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27359 conditions, 2846 events. 1462/2846 cut-off events. For 121780/121929 co-relation queries the response was YES. Maximal size of possible extension queue 334. Compared 20360 event pairs, 117 based on Foata normal form. 14/2832 useless extension candidates. Maximal degree in co-relation 27137. Up to 1080 conditions per place. [2021-06-11 13:46:28,932 INFO L151 LiptonReduction]: Number of co-enabled transitions 1088 [2021-06-11 13:46:29,174 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:46:29,174 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:46:29,174 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 813 [2021-06-11 13:46:29,174 INFO L480 AbstractCegarLoop]: Abstraction has has 545 places, 1446 transitions, 24152 flow [2021-06-11 13:46:29,174 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:29,174 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:46:29,174 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] [2021-06-11 13:46:29,175 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-06-11 13:46:29,175 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:46:29,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:46:29,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1721053553, now seen corresponding path program 6 times [2021-06-11 13:46:29,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:46:29,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899717662] [2021-06-11 13:46:29,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:46:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:46:29,185 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:46:29,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:29,188 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:46:29,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:29,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:29,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:46:29,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:29,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:29,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:29,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:29,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:29,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:29,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:29,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:46:29,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:29,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:29,231 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 13:46:29,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:46:29,253 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 13:46:29,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:46:29,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:29,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:29,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:29,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:46:29,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:29,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:46:29,313 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:46:29,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:29,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:46:29,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899717662] [2021-06-11 13:46:29,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:46:29,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 13:46:29,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369878686] [2021-06-11 13:46:29,315 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:46:29,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:46:29,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:46:29,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:46:29,316 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:46:29,316 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 545 places, 1446 transitions, 24152 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:29,316 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:46:29,316 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:46:29,316 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:46:31,172 INFO L129 PetriNetUnfolder]: 1680/3151 cut-off events. [2021-06-11 13:46:31,172 INFO L130 PetriNetUnfolder]: For 156837/156851 co-relation queries the response was YES. [2021-06-11 13:46:31,208 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33594 conditions, 3151 events. 1680/3151 cut-off events. For 156837/156851 co-relation queries the response was YES. Maximal size of possible extension queue 331. Compared 21128 event pairs, 243 based on Foata normal form. 11/3160 useless extension candidates. Maximal degree in co-relation 33381. Up to 2328 conditions per place. [2021-06-11 13:46:31,223 INFO L132 encePairwiseOnDemand]: 49/70 looper letters, 878 selfloop transitions, 664 changer transitions 2/1552 dead transitions. [2021-06-11 13:46:31,223 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 570 places, 1552 transitions, 29039 flow [2021-06-11 13:46:31,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-11 13:46:31,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-06-11 13:46:31,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 830 transitions. [2021-06-11 13:46:31,224 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45604395604395603 [2021-06-11 13:46:31,224 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 830 transitions. [2021-06-11 13:46:31,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 830 transitions. [2021-06-11 13:46:31,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:46:31,225 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 830 transitions. [2021-06-11 13:46:31,225 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 31.923076923076923) internal successors, (830), 26 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:31,226 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 70.0) internal successors, (1890), 27 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:31,226 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 70.0) internal successors, (1890), 27 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:31,226 INFO L185 Difference]: Start difference. First operand has 545 places, 1446 transitions, 24152 flow. Second operand 26 states and 830 transitions. [2021-06-11 13:46:31,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 570 places, 1552 transitions, 29039 flow [2021-06-11 13:46:32,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 558 places, 1552 transitions, 27915 flow, removed 522 selfloop flow, removed 12 redundant places. [2021-06-11 13:46:32,111 INFO L241 Difference]: Finished difference. Result has 566 places, 1491 transitions, 25783 flow [2021-06-11 13:46:32,112 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=23218, PETRI_DIFFERENCE_MINUEND_PLACES=533, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=620, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=793, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=25783, PETRI_PLACES=566, PETRI_TRANSITIONS=1491} [2021-06-11 13:46:32,112 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 527 predicate places. [2021-06-11 13:46:32,112 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:46:32,112 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 566 places, 1491 transitions, 25783 flow [2021-06-11 13:46:32,113 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 566 places, 1491 transitions, 25783 flow [2021-06-11 13:46:32,121 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 566 places, 1491 transitions, 25783 flow [2021-06-11 13:46:32,653 INFO L129 PetriNetUnfolder]: 1487/2927 cut-off events. [2021-06-11 13:46:32,654 INFO L130 PetriNetUnfolder]: For 119648/119801 co-relation queries the response was YES. [2021-06-11 13:46:32,690 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28159 conditions, 2927 events. 1487/2927 cut-off events. For 119648/119801 co-relation queries the response was YES. Maximal size of possible extension queue 346. Compared 21147 event pairs, 112 based on Foata normal form. 11/2905 useless extension candidates. Maximal degree in co-relation 27919. Up to 1063 conditions per place. [2021-06-11 13:46:32,716 INFO L151 LiptonReduction]: Number of co-enabled transitions 1114 [2021-06-11 13:46:32,964 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:46:32,964 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:46:32,964 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 852 [2021-06-11 13:46:32,965 INFO L480 AbstractCegarLoop]: Abstraction has has 566 places, 1491 transitions, 25783 flow [2021-06-11 13:46:32,965 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:32,965 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:46:32,965 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] [2021-06-11 13:46:32,965 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-06-11 13:46:32,965 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:46:32,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:46:32,965 INFO L82 PathProgramCache]: Analyzing trace with hash -605552543, now seen corresponding path program 7 times [2021-06-11 13:46:32,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:46:32,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249066128] [2021-06-11 13:46:32,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:46:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:46:32,977 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:46:32,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:32,980 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:46:32,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:32,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:32,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:46:32,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:32,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:33,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:33,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:33,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:33,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:46:33,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:33,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:46:33,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:33,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:33,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:33,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:46:33,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:33,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:33,070 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 13:46:33,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:46:33,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:33,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:46:33,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:33,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:46:33,121 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:46:33,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:33,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:46:33,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249066128] [2021-06-11 13:46:33,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:46:33,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 13:46:33,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268156966] [2021-06-11 13:46:33,124 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 13:46:33,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:46:33,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 13:46:33,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 13:46:33,124 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:46:33,124 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 566 places, 1491 transitions, 25783 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:33,125 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:46:33,125 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:46:33,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:46:35,532 INFO L129 PetriNetUnfolder]: 2097/3842 cut-off events. [2021-06-11 13:46:35,532 INFO L130 PetriNetUnfolder]: For 164995/165004 co-relation queries the response was YES. [2021-06-11 13:46:35,583 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42279 conditions, 3842 events. 2097/3842 cut-off events. For 164995/165004 co-relation queries the response was YES. Maximal size of possible extension queue 429. Compared 26392 event pairs, 195 based on Foata normal form. 8/3848 useless extension candidates. Maximal degree in co-relation 42058. Up to 2799 conditions per place. [2021-06-11 13:46:35,603 INFO L132 encePairwiseOnDemand]: 50/70 looper letters, 1221 selfloop transitions, 856 changer transitions 5/2090 dead transitions. [2021-06-11 13:46:35,604 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 602 places, 2090 transitions, 42852 flow [2021-06-11 13:46:35,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-11 13:46:35,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-06-11 13:46:35,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 1163 transitions. [2021-06-11 13:46:35,605 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44903474903474905 [2021-06-11 13:46:35,605 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 1163 transitions. [2021-06-11 13:46:35,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 1163 transitions. [2021-06-11 13:46:35,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:46:35,605 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 1163 transitions. [2021-06-11 13:46:35,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 31.43243243243243) internal successors, (1163), 37 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:35,607 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 70.0) internal successors, (2660), 38 states have internal predecessors, (2660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:35,607 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 70.0) internal successors, (2660), 38 states have internal predecessors, (2660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:35,608 INFO L185 Difference]: Start difference. First operand has 566 places, 1491 transitions, 25783 flow. Second operand 37 states and 1163 transitions. [2021-06-11 13:46:35,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 602 places, 2090 transitions, 42852 flow [2021-06-11 13:46:36,780 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 586 places, 2090 transitions, 41907 flow, removed 107 selfloop flow, removed 16 redundant places. [2021-06-11 13:46:36,809 INFO L241 Difference]: Finished difference. Result has 605 places, 1969 transitions, 38688 flow [2021-06-11 13:46:36,810 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=25057, PETRI_DIFFERENCE_MINUEND_PLACES=550, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1491, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=436, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=938, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=38688, PETRI_PLACES=605, PETRI_TRANSITIONS=1969} [2021-06-11 13:46:36,810 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 566 predicate places. [2021-06-11 13:46:36,810 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:46:36,810 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 605 places, 1969 transitions, 38688 flow [2021-06-11 13:46:36,811 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 605 places, 1969 transitions, 38688 flow [2021-06-11 13:46:36,824 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 605 places, 1969 transitions, 38688 flow [2021-06-11 13:46:37,637 INFO L129 PetriNetUnfolder]: 1913/3603 cut-off events. [2021-06-11 13:46:37,637 INFO L130 PetriNetUnfolder]: For 144065/144188 co-relation queries the response was YES. [2021-06-11 13:46:37,687 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38379 conditions, 3603 events. 1913/3603 cut-off events. For 144065/144188 co-relation queries the response was YES. Maximal size of possible extension queue 442. Compared 26305 event pairs, 63 based on Foata normal form. 13/3586 useless extension candidates. Maximal degree in co-relation 38130. Up to 1443 conditions per place. [2021-06-11 13:46:37,722 INFO L151 LiptonReduction]: Number of co-enabled transitions 1374 [2021-06-11 13:46:38,092 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:46:38,092 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:46:38,092 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1282 [2021-06-11 13:46:38,092 INFO L480 AbstractCegarLoop]: Abstraction has has 605 places, 1969 transitions, 38688 flow [2021-06-11 13:46:38,093 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:38,093 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:46:38,093 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] [2021-06-11 13:46:38,093 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-06-11 13:46:38,093 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:46:38,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:46:38,093 INFO L82 PathProgramCache]: Analyzing trace with hash -757082553, now seen corresponding path program 8 times [2021-06-11 13:46:38,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:46:38,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217593211] [2021-06-11 13:46:38,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:46:38,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:46:38,103 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:46:38,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:38,106 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:46:38,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:38,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:38,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:46:38,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:38,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:38,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:38,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:38,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:38,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:46:38,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:38,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:46:38,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:38,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:38,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:38,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:46:38,179 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 13:46:38,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:46:38,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:38,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:38,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:38,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:46:38,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:38,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:46:38,239 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:46:38,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:38,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:46:38,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217593211] [2021-06-11 13:46:38,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:46:38,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 13:46:38,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089828752] [2021-06-11 13:46:38,241 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 13:46:38,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:46:38,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 13:46:38,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 13:46:38,242 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:46:38,242 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 605 places, 1969 transitions, 38688 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:38,242 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:46:38,242 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:46:38,242 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:46:41,426 INFO L129 PetriNetUnfolder]: 2474/4481 cut-off events. [2021-06-11 13:46:41,426 INFO L130 PetriNetUnfolder]: For 217314/217328 co-relation queries the response was YES. [2021-06-11 13:46:41,485 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51626 conditions, 4481 events. 2474/4481 cut-off events. For 217314/217328 co-relation queries the response was YES. Maximal size of possible extension queue 518. Compared 31323 event pairs, 219 based on Foata normal form. 11/4490 useless extension candidates. Maximal degree in co-relation 51387. Up to 2853 conditions per place. [2021-06-11 13:46:41,507 INFO L132 encePairwiseOnDemand]: 49/70 looper letters, 876 selfloop transitions, 1622 changer transitions 2/2508 dead transitions. [2021-06-11 13:46:41,507 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 643 places, 2508 transitions, 53520 flow [2021-06-11 13:46:41,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-11 13:46:41,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2021-06-11 13:46:41,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 1233 transitions. [2021-06-11 13:46:41,509 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45164835164835165 [2021-06-11 13:46:41,509 INFO L72 ComplementDD]: Start complementDD. Operand 39 states and 1233 transitions. [2021-06-11 13:46:41,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 1233 transitions. [2021-06-11 13:46:41,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:46:41,510 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 39 states and 1233 transitions. [2021-06-11 13:46:41,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 40 states, 39 states have (on average 31.615384615384617) internal successors, (1233), 39 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:41,512 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 40 states, 40 states have (on average 70.0) internal successors, (2800), 40 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:41,512 INFO L81 ComplementDD]: Finished complementDD. Result has 40 states, 40 states have (on average 70.0) internal successors, (2800), 40 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:41,512 INFO L185 Difference]: Start difference. First operand has 605 places, 1969 transitions, 38688 flow. Second operand 39 states and 1233 transitions. [2021-06-11 13:46:41,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 643 places, 2508 transitions, 53520 flow [2021-06-11 13:46:43,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 634 places, 2508 transitions, 51407 flow, removed 1003 selfloop flow, removed 9 redundant places. [2021-06-11 13:46:43,253 INFO L241 Difference]: Finished difference. Result has 654 places, 2415 transitions, 50157 flow [2021-06-11 13:46:43,254 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=37393, PETRI_DIFFERENCE_MINUEND_PLACES=596, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1969, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1237, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=617, PETRI_DIFFERENCE_SUBTRAHEND_STATES=39, PETRI_FLOW=50157, PETRI_PLACES=654, PETRI_TRANSITIONS=2415} [2021-06-11 13:46:43,254 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 615 predicate places. [2021-06-11 13:46:43,254 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:46:43,254 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 654 places, 2415 transitions, 50157 flow [2021-06-11 13:46:43,254 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 654 places, 2415 transitions, 50157 flow [2021-06-11 13:46:43,271 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 654 places, 2415 transitions, 50157 flow [2021-06-11 13:46:44,372 INFO L129 PetriNetUnfolder]: 2311/4269 cut-off events. [2021-06-11 13:46:44,372 INFO L130 PetriNetUnfolder]: For 181392/181786 co-relation queries the response was YES. [2021-06-11 13:46:44,436 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47506 conditions, 4269 events. 2311/4269 cut-off events. For 181392/181786 co-relation queries the response was YES. Maximal size of possible extension queue 536. Compared 31573 event pairs, 177 based on Foata normal form. 30/4236 useless extension candidates. Maximal degree in co-relation 47238. Up to 1740 conditions per place. [2021-06-11 13:46:44,478 INFO L151 LiptonReduction]: Number of co-enabled transitions 1550 [2021-06-11 13:46:45,084 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:46:45,084 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:46:45,084 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1830 [2021-06-11 13:46:45,085 INFO L480 AbstractCegarLoop]: Abstraction has has 654 places, 2415 transitions, 50157 flow [2021-06-11 13:46:45,085 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:45,085 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:46:45,085 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] [2021-06-11 13:46:45,085 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-06-11 13:46:45,085 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:46:45,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:46:45,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1226916975, now seen corresponding path program 9 times [2021-06-11 13:46:45,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:46:45,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655089844] [2021-06-11 13:46:45,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:46:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:46:45,095 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:46:45,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:45,099 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:46:45,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:45,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:45,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:46:45,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:45,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:45,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:45,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:45,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:45,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:46:45,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:45,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:45,161 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 13:46:45,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:46:45,184 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 13:46:45,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:46:45,206 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 13:46:45,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:46:45,230 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 13:46:45,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:46:45,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:45,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:46:45,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:45,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:46:45,284 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:46:45,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:45,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:46:45,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655089844] [2021-06-11 13:46:45,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:46:45,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-11 13:46:45,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359642547] [2021-06-11 13:46:45,287 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 13:46:45,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:46:45,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 13:46:45,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-06-11 13:46:45,287 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:46:45,288 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 654 places, 2415 transitions, 50157 flow. Second operand has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:45,288 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:46:45,288 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:46:45,288 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:46:48,737 INFO L129 PetriNetUnfolder]: 2532/4611 cut-off events. [2021-06-11 13:46:48,737 INFO L130 PetriNetUnfolder]: For 229732/229741 co-relation queries the response was YES. [2021-06-11 13:46:48,805 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55529 conditions, 4611 events. 2532/4611 cut-off events. For 229732/229741 co-relation queries the response was YES. Maximal size of possible extension queue 535. Compared 32798 event pairs, 188 based on Foata normal form. 8/4617 useless extension candidates. Maximal degree in co-relation 55253. Up to 3486 conditions per place. [2021-06-11 13:46:48,831 INFO L132 encePairwiseOnDemand]: 50/70 looper letters, 1492 selfloop transitions, 1048 changer transitions 2/2550 dead transitions. [2021-06-11 13:46:48,831 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 683 places, 2550 transitions, 58131 flow [2021-06-11 13:46:48,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-11 13:46:48,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-06-11 13:46:48,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 932 transitions. [2021-06-11 13:46:48,832 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4438095238095238 [2021-06-11 13:46:48,832 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 932 transitions. [2021-06-11 13:46:48,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 932 transitions. [2021-06-11 13:46:48,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:46:48,833 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 932 transitions. [2021-06-11 13:46:48,833 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 31.066666666666666) internal successors, (932), 30 states have internal predecessors, (932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:48,834 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 70.0) internal successors, (2170), 31 states have internal predecessors, (2170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:48,834 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 70.0) internal successors, (2170), 31 states have internal predecessors, (2170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:48,835 INFO L185 Difference]: Start difference. First operand has 654 places, 2415 transitions, 50157 flow. Second operand 30 states and 932 transitions. [2021-06-11 13:46:48,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 683 places, 2550 transitions, 58131 flow [2021-06-11 13:46:51,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 676 places, 2550 transitions, 56569 flow, removed 758 selfloop flow, removed 7 redundant places. [2021-06-11 13:46:51,679 INFO L241 Difference]: Finished difference. Result has 687 places, 2523 transitions, 53612 flow [2021-06-11 13:46:51,681 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=48637, PETRI_DIFFERENCE_MINUEND_PLACES=647, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=943, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=53612, PETRI_PLACES=687, PETRI_TRANSITIONS=2523} [2021-06-11 13:46:51,681 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 648 predicate places. [2021-06-11 13:46:51,681 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:46:51,681 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 687 places, 2523 transitions, 53612 flow [2021-06-11 13:46:51,682 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 687 places, 2523 transitions, 53612 flow [2021-06-11 13:46:51,701 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 686 places, 2523 transitions, 53612 flow [2021-06-11 13:46:53,087 INFO L129 PetriNetUnfolder]: 2369/4389 cut-off events. [2021-06-11 13:46:53,087 INFO L130 PetriNetUnfolder]: For 188261/188436 co-relation queries the response was YES. [2021-06-11 13:46:53,153 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49886 conditions, 4389 events. 2369/4389 cut-off events. For 188261/188436 co-relation queries the response was YES. Maximal size of possible extension queue 548. Compared 32690 event pairs, 139 based on Foata normal form. 10/4342 useless extension candidates. Maximal degree in co-relation 49615. Up to 1751 conditions per place. [2021-06-11 13:46:53,193 INFO L151 LiptonReduction]: Number of co-enabled transitions 1606 [2021-06-11 13:46:53,842 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:46:53,842 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:46:53,842 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2161 [2021-06-11 13:46:53,843 INFO L480 AbstractCegarLoop]: Abstraction has has 686 places, 2523 transitions, 53612 flow [2021-06-11 13:46:53,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:53,843 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:46:53,843 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] [2021-06-11 13:46:53,843 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-06-11 13:46:53,843 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:46:53,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:46:53,843 INFO L82 PathProgramCache]: Analyzing trace with hash -386958438, now seen corresponding path program 2 times [2021-06-11 13:46:53,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:46:53,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059431185] [2021-06-11 13:46:53,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:46:53,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:46:53,854 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:46:53,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:53,858 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:46:53,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:53,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:53,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:46:53,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:53,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:53,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:53,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:53,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:53,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:53,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:53,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:46:53,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:53,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:46:53,901 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-06-11 13:46:53,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:46:53,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:53,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:46:53,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:53,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:53,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:53,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:53,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:53,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:46:53,943 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:46:53,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:53,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:46:53,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059431185] [2021-06-11 13:46:53,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:46:53,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-11 13:46:53,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340107367] [2021-06-11 13:46:53,946 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 13:46:53,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:46:53,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 13:46:53,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-06-11 13:46:53,946 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:46:53,947 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 686 places, 2523 transitions, 53612 flow. Second operand has 11 states, 11 states have (on average 27.363636363636363) internal successors, (301), 11 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:53,947 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:46:53,947 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:46:53,947 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:46:57,484 INFO L129 PetriNetUnfolder]: 2535/4620 cut-off events. [2021-06-11 13:46:57,484 INFO L130 PetriNetUnfolder]: For 232249/232258 co-relation queries the response was YES. [2021-06-11 13:46:57,557 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56922 conditions, 4620 events. 2535/4620 cut-off events. For 232249/232258 co-relation queries the response was YES. Maximal size of possible extension queue 535. Compared 32827 event pairs, 188 based on Foata normal form. 9/4627 useless extension candidates. Maximal degree in co-relation 56644. Up to 3838 conditions per place. [2021-06-11 13:46:57,582 INFO L132 encePairwiseOnDemand]: 49/70 looper letters, 1942 selfloop transitions, 614 changer transitions 5/2569 dead transitions. [2021-06-11 13:46:57,582 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 705 places, 2569 transitions, 59796 flow [2021-06-11 13:46:57,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-11 13:46:57,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-06-11 13:46:57,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 650 transitions. [2021-06-11 13:46:57,583 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4642857142857143 [2021-06-11 13:46:57,583 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 650 transitions. [2021-06-11 13:46:57,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 650 transitions. [2021-06-11 13:46:57,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:46:57,584 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 650 transitions. [2021-06-11 13:46:57,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 32.5) internal successors, (650), 20 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:57,585 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 70.0) internal successors, (1470), 21 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:57,585 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 70.0) internal successors, (1470), 21 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:57,585 INFO L185 Difference]: Start difference. First operand has 686 places, 2523 transitions, 53612 flow. Second operand 20 states and 650 transitions. [2021-06-11 13:46:57,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 705 places, 2569 transitions, 59796 flow [2021-06-11 13:47:00,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 690 places, 2569 transitions, 58476 flow, removed 376 selfloop flow, removed 15 redundant places. [2021-06-11 13:47:00,321 INFO L241 Difference]: Finished difference. Result has 696 places, 2538 transitions, 54280 flow [2021-06-11 13:47:00,323 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=52298, PETRI_DIFFERENCE_MINUEND_PLACES=671, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2523, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=599, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1917, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=54280, PETRI_PLACES=696, PETRI_TRANSITIONS=2538} [2021-06-11 13:47:00,323 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 657 predicate places. [2021-06-11 13:47:00,323 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:47:00,323 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 696 places, 2538 transitions, 54280 flow [2021-06-11 13:47:00,324 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 696 places, 2538 transitions, 54280 flow [2021-06-11 13:47:00,343 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 696 places, 2538 transitions, 54280 flow [2021-06-11 13:47:01,716 INFO L129 PetriNetUnfolder]: 2350/4407 cut-off events. [2021-06-11 13:47:01,717 INFO L130 PetriNetUnfolder]: For 191788/191987 co-relation queries the response was YES. [2021-06-11 13:47:01,792 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50397 conditions, 4407 events. 2350/4407 cut-off events. For 191788/191987 co-relation queries the response was YES. Maximal size of possible extension queue 556. Compared 33192 event pairs, 108 based on Foata normal form. 17/4397 useless extension candidates. Maximal degree in co-relation 50122. Up to 1718 conditions per place. [2021-06-11 13:47:01,846 INFO L151 LiptonReduction]: Number of co-enabled transitions 1628 [2021-06-11 13:47:02,524 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:47:02,525 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:47:02,525 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2202 [2021-06-11 13:47:02,525 INFO L480 AbstractCegarLoop]: Abstraction has has 696 places, 2538 transitions, 54280 flow [2021-06-11 13:47:02,525 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.363636363636363) internal successors, (301), 11 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:47:02,525 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:47:02,525 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] [2021-06-11 13:47:02,525 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-06-11 13:47:02,526 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:47:02,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:47:02,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1937446889, now seen corresponding path program 10 times [2021-06-11 13:47:02,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:47:02,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144147103] [2021-06-11 13:47:02,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:47:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:47:02,537 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:47:02,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:47:02,541 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:47:02,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:47:02,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:02,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:47:02,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:02,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:47:02,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:02,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:47:02,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:02,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:47:02,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:02,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:47:02,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:02,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:47:02,601 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 13:47:02,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:47:02,630 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 13:47:02,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:47:02,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:02,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:47:02,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:02,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:47:02,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:02,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:47:02,790 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:47:02,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:47:02,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:47:02,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144147103] [2021-06-11 13:47:02,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:47:02,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 13:47:02,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215992719] [2021-06-11 13:47:02,793 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 13:47:02,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:47:02,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 13:47:02,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 13:47:02,793 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:47:02,794 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 696 places, 2538 transitions, 54280 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:47:02,794 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:47:02,794 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:47:02,794 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:47:06,736 INFO L129 PetriNetUnfolder]: 2562/4738 cut-off events. [2021-06-11 13:47:06,736 INFO L130 PetriNetUnfolder]: For 234440/234454 co-relation queries the response was YES. [2021-06-11 13:47:06,803 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58274 conditions, 4738 events. 2562/4738 cut-off events. For 234440/234454 co-relation queries the response was YES. Maximal size of possible extension queue 557. Compared 34425 event pairs, 213 based on Foata normal form. 11/4747 useless extension candidates. Maximal degree in co-relation 57992. Up to 3085 conditions per place. [2021-06-11 13:47:06,828 INFO L132 encePairwiseOnDemand]: 49/70 looper letters, 1030 selfloop transitions, 1643 changer transitions 2/2683 dead transitions. [2021-06-11 13:47:06,828 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 729 places, 2683 transitions, 62531 flow [2021-06-11 13:47:06,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-11 13:47:06,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2021-06-11 13:47:06,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 1083 transitions. [2021-06-11 13:47:06,829 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4550420168067227 [2021-06-11 13:47:06,829 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 1083 transitions. [2021-06-11 13:47:06,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 1083 transitions. [2021-06-11 13:47:06,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:47:06,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 1083 transitions. [2021-06-11 13:47:06,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 31.852941176470587) internal successors, (1083), 34 states have internal predecessors, (1083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:47:06,832 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 70.0) internal successors, (2450), 35 states have internal predecessors, (2450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:47:06,832 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 70.0) internal successors, (2450), 35 states have internal predecessors, (2450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:47:06,832 INFO L185 Difference]: Start difference. First operand has 696 places, 2538 transitions, 54280 flow. Second operand 34 states and 1083 transitions. [2021-06-11 13:47:06,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 729 places, 2683 transitions, 62531 flow [2021-06-11 13:47:09,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 715 places, 2683 transitions, 61791 flow, removed 81 selfloop flow, removed 14 redundant places. [2021-06-11 13:47:09,950 INFO L241 Difference]: Finished difference. Result has 724 places, 2587 transitions, 59017 flow [2021-06-11 13:47:09,951 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=53582, PETRI_DIFFERENCE_MINUEND_PLACES=682, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2538, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1597, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=905, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=59017, PETRI_PLACES=724, PETRI_TRANSITIONS=2587} [2021-06-11 13:47:09,952 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 685 predicate places. [2021-06-11 13:47:09,952 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:47:09,952 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 724 places, 2587 transitions, 59017 flow [2021-06-11 13:47:09,952 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 724 places, 2587 transitions, 59017 flow [2021-06-11 13:47:09,972 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 724 places, 2587 transitions, 59017 flow [2021-06-11 13:47:11,451 INFO L129 PetriNetUnfolder]: 2394/4514 cut-off events. [2021-06-11 13:47:11,451 INFO L130 PetriNetUnfolder]: For 207426/207637 co-relation queries the response was YES. [2021-06-11 13:47:11,514 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53742 conditions, 4514 events. 2394/4514 cut-off events. For 207426/207637 co-relation queries the response was YES. Maximal size of possible extension queue 582. Compared 34352 event pairs, 157 based on Foata normal form. 13/4482 useless extension candidates. Maximal degree in co-relation 53460. Up to 1775 conditions per place. [2021-06-11 13:47:11,553 INFO L151 LiptonReduction]: Number of co-enabled transitions 1650 [2021-06-11 13:47:12,236 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:47:12,236 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:47:12,237 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2285 [2021-06-11 13:47:12,237 INFO L480 AbstractCegarLoop]: Abstraction has has 724 places, 2587 transitions, 59017 flow [2021-06-11 13:47:12,237 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:47:12,237 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:47:12,237 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] [2021-06-11 13:47:12,237 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-06-11 13:47:12,237 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:47:12,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:47:12,237 INFO L82 PathProgramCache]: Analyzing trace with hash -399529295, now seen corresponding path program 11 times [2021-06-11 13:47:12,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:47:12,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531029606] [2021-06-11 13:47:12,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:47:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:47:12,248 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:47:12,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:47:12,252 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:47:12,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:47:12,370 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2021-06-11 13:47:12,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:12,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:47:12,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:12,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:47:12,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:12,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:47:12,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:12,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:47:12,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:12,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:47:12,421 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 13:47:12,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:47:12,442 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 13:47:12,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:47:12,465 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 13:47:12,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:47:12,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:12,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:47:12,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:12,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:47:12,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:12,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:47:12,545 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:47:12,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:47:12,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:47:12,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531029606] [2021-06-11 13:47:12,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:47:12,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-11 13:47:12,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844007188] [2021-06-11 13:47:12,547 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 13:47:12,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:47:12,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 13:47:12,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-06-11 13:47:12,548 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:47:12,548 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 724 places, 2587 transitions, 59017 flow. Second operand has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:47:12,548 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:47:12,548 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:47:12,548 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:47:16,608 INFO L129 PetriNetUnfolder]: 2608/4849 cut-off events. [2021-06-11 13:47:16,608 INFO L130 PetriNetUnfolder]: For 258037/258051 co-relation queries the response was YES. [2021-06-11 13:47:16,768 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62281 conditions, 4849 events. 2608/4849 cut-off events. For 258037/258051 co-relation queries the response was YES. Maximal size of possible extension queue 573. Compared 35625 event pairs, 213 based on Foata normal form. 11/4858 useless extension candidates. Maximal degree in co-relation 61992. Up to 3156 conditions per place. [2021-06-11 13:47:16,793 INFO L132 encePairwiseOnDemand]: 49/70 looper letters, 1091 selfloop transitions, 1632 changer transitions 3/2734 dead transitions. [2021-06-11 13:47:16,794 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 757 places, 2734 transitions, 67761 flow [2021-06-11 13:47:16,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-11 13:47:16,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2021-06-11 13:47:16,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 1081 transitions. [2021-06-11 13:47:16,795 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4542016806722689 [2021-06-11 13:47:16,795 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 1081 transitions. [2021-06-11 13:47:16,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 1081 transitions. [2021-06-11 13:47:16,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:47:16,796 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 1081 transitions. [2021-06-11 13:47:16,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 31.794117647058822) internal successors, (1081), 34 states have internal predecessors, (1081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:47:16,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 70.0) internal successors, (2450), 35 states have internal predecessors, (2450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:47:16,797 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 70.0) internal successors, (2450), 35 states have internal predecessors, (2450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:47:16,798 INFO L185 Difference]: Start difference. First operand has 724 places, 2587 transitions, 59017 flow. Second operand 34 states and 1081 transitions. [2021-06-11 13:47:16,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 757 places, 2734 transitions, 67761 flow [2021-06-11 13:47:19,998 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 739 places, 2734 transitions, 66599 flow, removed 127 selfloop flow, removed 18 redundant places. [2021-06-11 13:47:20,045 INFO L241 Difference]: Finished difference. Result has 745 places, 2669 transitions, 64048 flow [2021-06-11 13:47:20,046 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=57867, PETRI_DIFFERENCE_MINUEND_PLACES=706, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2587, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1553, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=988, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=64048, PETRI_PLACES=745, PETRI_TRANSITIONS=2669} [2021-06-11 13:47:20,047 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 706 predicate places. [2021-06-11 13:47:20,047 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:47:20,047 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 745 places, 2669 transitions, 64048 flow [2021-06-11 13:47:20,047 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 745 places, 2669 transitions, 64048 flow [2021-06-11 13:47:20,123 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 745 places, 2669 transitions, 64048 flow [2021-06-11 13:47:21,456 INFO L129 PetriNetUnfolder]: 2450/4625 cut-off events. [2021-06-11 13:47:21,456 INFO L130 PetriNetUnfolder]: For 223358/223582 co-relation queries the response was YES. [2021-06-11 13:47:21,559 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57757 conditions, 4625 events. 2450/4625 cut-off events. For 223358/223582 co-relation queries the response was YES. Maximal size of possible extension queue 593. Compared 35482 event pairs, 117 based on Foata normal form. 21/4587 useless extension candidates. Maximal degree in co-relation 57467. Up to 1856 conditions per place. [2021-06-11 13:47:21,774 INFO L151 LiptonReduction]: Number of co-enabled transitions 1660 [2021-06-11 13:47:22,530 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:47:22,530 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:47:22,530 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2483 [2021-06-11 13:47:22,531 INFO L480 AbstractCegarLoop]: Abstraction has has 745 places, 2669 transitions, 64048 flow [2021-06-11 13:47:22,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:47:22,531 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:47:22,531 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] [2021-06-11 13:47:22,531 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-06-11 13:47:22,531 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:47:22,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:47:22,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1125434499, now seen corresponding path program 12 times [2021-06-11 13:47:22,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:47:22,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405248755] [2021-06-11 13:47:22,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:47:22,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:47:22,541 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:47:22,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:47:22,545 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:47:22,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:47:22,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:22,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:47:22,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:22,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:47:22,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:22,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:47:22,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:22,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:47:22,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:22,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:47:22,602 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 13:47:22,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:47:22,623 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 13:47:22,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:47:22,644 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 13:47:22,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:47:22,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:22,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:47:22,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:22,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:47:22,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:22,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:47:22,708 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:47:22,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:47:22,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:47:22,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405248755] [2021-06-11 13:47:22,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:47:22,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-11 13:47:22,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125352430] [2021-06-11 13:47:22,711 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 13:47:22,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:47:22,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 13:47:22,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-06-11 13:47:22,711 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:47:22,712 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 745 places, 2669 transitions, 64048 flow. Second operand has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:47:22,712 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:47:22,712 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:47:22,712 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:47:23,059 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2021-06-11 13:47:26,860 INFO L129 PetriNetUnfolder]: 2614/4893 cut-off events. [2021-06-11 13:47:26,860 INFO L130 PetriNetUnfolder]: For 278977/278991 co-relation queries the response was YES. [2021-06-11 13:47:26,936 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65445 conditions, 4893 events. 2614/4893 cut-off events. For 278977/278991 co-relation queries the response was YES. Maximal size of possible extension queue 582. Compared 36321 event pairs, 206 based on Foata normal form. 14/4905 useless extension candidates. Maximal degree in co-relation 65148. Up to 3487 conditions per place. [2021-06-11 13:47:26,962 INFO L132 encePairwiseOnDemand]: 48/70 looper letters, 1415 selfloop transitions, 1320 changer transitions 6/2749 dead transitions. [2021-06-11 13:47:26,963 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 770 places, 2749 transitions, 71785 flow [2021-06-11 13:47:26,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-11 13:47:26,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-06-11 13:47:26,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 833 transitions. [2021-06-11 13:47:26,969 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4576923076923077 [2021-06-11 13:47:26,969 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 833 transitions. [2021-06-11 13:47:26,969 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 833 transitions. [2021-06-11 13:47:26,970 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:47:26,970 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 833 transitions. [2021-06-11 13:47:26,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 32.03846153846154) internal successors, (833), 26 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:47:26,971 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 70.0) internal successors, (1890), 27 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:47:26,971 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 70.0) internal successors, (1890), 27 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:47:26,971 INFO L185 Difference]: Start difference. First operand has 745 places, 2669 transitions, 64048 flow. Second operand 26 states and 833 transitions. [2021-06-11 13:47:26,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 770 places, 2749 transitions, 71785 flow [2021-06-11 13:47:30,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 752 places, 2749 transitions, 70379 flow, removed 276 selfloop flow, removed 18 redundant places. [2021-06-11 13:47:30,568 INFO L241 Difference]: Finished difference. Result has 757 places, 2693 transitions, 66365 flow [2021-06-11 13:47:30,570 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=62832, PETRI_DIFFERENCE_MINUEND_PLACES=727, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2669, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1294, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1363, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=66365, PETRI_PLACES=757, PETRI_TRANSITIONS=2693} [2021-06-11 13:47:30,570 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 718 predicate places. [2021-06-11 13:47:30,570 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:47:30,572 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 757 places, 2693 transitions, 66365 flow [2021-06-11 13:47:30,572 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 757 places, 2693 transitions, 66365 flow [2021-06-11 13:47:30,596 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 757 places, 2693 transitions, 66365 flow [2021-06-11 13:47:32,166 INFO L129 PetriNetUnfolder]: 2448/4657 cut-off events. [2021-06-11 13:47:32,166 INFO L130 PetriNetUnfolder]: For 230070/230300 co-relation queries the response was YES. [2021-06-11 13:47:32,241 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59425 conditions, 4657 events. 2448/4657 cut-off events. For 230070/230300 co-relation queries the response was YES. Maximal size of possible extension queue 613. Compared 36144 event pairs, 109 based on Foata normal form. 11/4613 useless extension candidates. Maximal degree in co-relation 59126. Up to 1884 conditions per place. [2021-06-11 13:47:32,406 INFO L151 LiptonReduction]: Number of co-enabled transitions 1698 [2021-06-11 13:47:33,113 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:47:33,114 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:47:33,114 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2544 [2021-06-11 13:47:33,114 INFO L480 AbstractCegarLoop]: Abstraction has has 757 places, 2693 transitions, 66365 flow [2021-06-11 13:47:33,114 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:47:33,114 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:47:33,114 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] [2021-06-11 13:47:33,114 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-06-11 13:47:33,114 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:47:33,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:47:33,115 INFO L82 PathProgramCache]: Analyzing trace with hash -725125519, now seen corresponding path program 13 times [2021-06-11 13:47:33,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:47:33,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034638255] [2021-06-11 13:47:33,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:47:33,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:47:33,123 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:47:33,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:47:33,127 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:47:33,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:47:33,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:33,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:47:33,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:33,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:47:33,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:33,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:47:33,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:33,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:47:33,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:33,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:47:33,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:33,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:47:33,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:33,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:47:33,207 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 13:47:33,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:47:33,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:33,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:47:33,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:33,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:47:33,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:33,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:47:33,289 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:47:33,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:47:33,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:47:33,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034638255] [2021-06-11 13:47:33,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:47:33,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-11 13:47:33,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297285753] [2021-06-11 13:47:33,292 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 13:47:33,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:47:33,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 13:47:33,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-06-11 13:47:33,292 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:47:33,293 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 757 places, 2693 transitions, 66365 flow. Second operand has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:47:33,293 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:47:33,293 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:47:33,293 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:47:38,411 INFO L129 PetriNetUnfolder]: 2685/5034 cut-off events. [2021-06-11 13:47:38,411 INFO L130 PetriNetUnfolder]: For 296832/296846 co-relation queries the response was YES. [2021-06-11 13:47:38,487 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68893 conditions, 5034 events. 2685/5034 cut-off events. For 296832/296846 co-relation queries the response was YES. Maximal size of possible extension queue 616. Compared 37658 event pairs, 207 based on Foata normal form. 11/5043 useless extension candidates. Maximal degree in co-relation 68587. Up to 3066 conditions per place. [2021-06-11 13:47:38,515 INFO L132 encePairwiseOnDemand]: 48/70 looper letters, 1066 selfloop transitions, 1799 changer transitions 2/2875 dead transitions. [2021-06-11 13:47:38,515 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 807 places, 2875 transitions, 77079 flow [2021-06-11 13:47:38,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-11 13:47:38,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2021-06-11 13:47:38,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 1583 transitions. [2021-06-11 13:47:38,517 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4434173669467787 [2021-06-11 13:47:38,517 INFO L72 ComplementDD]: Start complementDD. Operand 51 states and 1583 transitions. [2021-06-11 13:47:38,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 1583 transitions. [2021-06-11 13:47:38,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:47:38,517 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 51 states and 1583 transitions. [2021-06-11 13:47:38,519 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 52 states, 51 states have (on average 31.03921568627451) internal successors, (1583), 51 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:47:38,520 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 52 states, 52 states have (on average 70.0) internal successors, (3640), 52 states have internal predecessors, (3640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:47:38,520 INFO L81 ComplementDD]: Finished complementDD. Result has 52 states, 52 states have (on average 70.0) internal successors, (3640), 52 states have internal predecessors, (3640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:47:38,520 INFO L185 Difference]: Start difference. First operand has 757 places, 2693 transitions, 66365 flow. Second operand 51 states and 1583 transitions. [2021-06-11 13:47:38,520 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 807 places, 2875 transitions, 77079 flow [2021-06-11 13:47:42,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 789 places, 2875 transitions, 75376 flow, removed 40 selfloop flow, removed 18 redundant places. [2021-06-11 13:47:42,446 INFO L241 Difference]: Finished difference. Result has 805 places, 2799 transitions, 72419 flow [2021-06-11 13:47:42,447 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=64759, PETRI_DIFFERENCE_MINUEND_PLACES=739, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2693, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1693, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=958, PETRI_DIFFERENCE_SUBTRAHEND_STATES=51, PETRI_FLOW=72419, PETRI_PLACES=805, PETRI_TRANSITIONS=2799} [2021-06-11 13:47:42,447 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 766 predicate places. [2021-06-11 13:47:42,448 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:47:42,448 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 805 places, 2799 transitions, 72419 flow [2021-06-11 13:47:42,448 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 805 places, 2799 transitions, 72419 flow [2021-06-11 13:47:42,472 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 805 places, 2799 transitions, 72419 flow [2021-06-11 13:47:44,195 INFO L129 PetriNetUnfolder]: 2515/4815 cut-off events. [2021-06-11 13:47:44,195 INFO L130 PetriNetUnfolder]: For 270382/270649 co-relation queries the response was YES. [2021-06-11 13:47:44,275 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63906 conditions, 4815 events. 2515/4815 cut-off events. For 270382/270649 co-relation queries the response was YES. Maximal size of possible extension queue 640. Compared 37952 event pairs, 113 based on Foata normal form. 12/4784 useless extension candidates. Maximal degree in co-relation 63588. Up to 1917 conditions per place. [2021-06-11 13:47:44,325 INFO L151 LiptonReduction]: Number of co-enabled transitions 1768 [2021-06-11 13:47:45,121 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:47:45,121 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:47:45,121 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2673 [2021-06-11 13:47:45,122 INFO L480 AbstractCegarLoop]: Abstraction has has 805 places, 2799 transitions, 72419 flow [2021-06-11 13:47:45,122 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:47:45,122 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:47:45,122 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] [2021-06-11 13:47:45,122 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-06-11 13:47:45,122 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:47:45,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:47:45,122 INFO L82 PathProgramCache]: Analyzing trace with hash 793913279, now seen corresponding path program 14 times [2021-06-11 13:47:45,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:47:45,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657231697] [2021-06-11 13:47:45,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:47:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:47:45,132 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:47:45,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:47:45,135 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:47:45,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:47:45,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:45,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:47:45,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:45,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:47:45,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:45,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:47:45,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:45,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:47:45,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:45,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:47:45,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:45,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:47:45,202 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 13:47:45,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:47:45,228 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 13:47:45,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:47:45,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:45,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:47:45,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:45,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:47:45,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:45,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:47:45,300 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:47:45,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:47:45,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:47:45,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657231697] [2021-06-11 13:47:45,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:47:45,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-11 13:47:45,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076118300] [2021-06-11 13:47:45,303 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 13:47:45,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:47:45,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 13:47:45,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-06-11 13:47:45,304 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:47:45,304 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 805 places, 2799 transitions, 72419 flow. Second operand has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:47:45,304 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:47:45,304 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:47:45,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:47:50,316 INFO L129 PetriNetUnfolder]: 2708/5107 cut-off events. [2021-06-11 13:47:50,316 INFO L130 PetriNetUnfolder]: For 329800/329814 co-relation queries the response was YES. [2021-06-11 13:47:50,402 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72409 conditions, 5107 events. 2708/5107 cut-off events. For 329800/329814 co-relation queries the response was YES. Maximal size of possible extension queue 626. Compared 38693 event pairs, 209 based on Foata normal form. 11/5116 useless extension candidates. Maximal degree in co-relation 72084. Up to 3307 conditions per place. [2021-06-11 13:47:50,431 INFO L132 encePairwiseOnDemand]: 48/70 looper letters, 1233 selfloop transitions, 1665 changer transitions 2/2908 dead transitions. [2021-06-11 13:47:50,431 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 849 places, 2908 transitions, 81656 flow [2021-06-11 13:47:50,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-11 13:47:50,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2021-06-11 13:47:50,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 1399 transitions. [2021-06-11 13:47:50,433 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44412698412698415 [2021-06-11 13:47:50,433 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 1399 transitions. [2021-06-11 13:47:50,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 1399 transitions. [2021-06-11 13:47:50,433 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:47:50,433 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 1399 transitions. [2021-06-11 13:47:50,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 46 states, 45 states have (on average 31.08888888888889) internal successors, (1399), 45 states have internal predecessors, (1399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:47:50,436 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 46 states, 46 states have (on average 70.0) internal successors, (3220), 46 states have internal predecessors, (3220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:47:50,436 INFO L81 ComplementDD]: Finished complementDD. Result has 46 states, 46 states have (on average 70.0) internal successors, (3220), 46 states have internal predecessors, (3220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:47:50,436 INFO L185 Difference]: Start difference. First operand has 805 places, 2799 transitions, 72419 flow. Second operand 45 states and 1399 transitions. [2021-06-11 13:47:50,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 849 places, 2908 transitions, 81656 flow [2021-06-11 13:47:54,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 829 places, 2908 transitions, 79518 flow, removed 352 selfloop flow, removed 20 redundant places. [2021-06-11 13:47:54,576 INFO L241 Difference]: Finished difference. Result has 838 places, 2848 transitions, 76228 flow [2021-06-11 13:47:54,578 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=70329, PETRI_DIFFERENCE_MINUEND_PLACES=785, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2799, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1618, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=76228, PETRI_PLACES=838, PETRI_TRANSITIONS=2848} [2021-06-11 13:47:54,578 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 799 predicate places. [2021-06-11 13:47:54,578 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:47:54,579 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 838 places, 2848 transitions, 76228 flow [2021-06-11 13:47:54,579 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 838 places, 2848 transitions, 76228 flow [2021-06-11 13:47:54,610 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 838 places, 2848 transitions, 76228 flow [2021-06-11 13:47:56,364 INFO L129 PetriNetUnfolder]: 2550/4895 cut-off events. [2021-06-11 13:47:56,365 INFO L130 PetriNetUnfolder]: For 283449/283696 co-relation queries the response was YES. [2021-06-11 13:47:56,647 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66256 conditions, 4895 events. 2550/4895 cut-off events. For 283449/283696 co-relation queries the response was YES. Maximal size of possible extension queue 655. Compared 38741 event pairs, 142 based on Foata normal form. 6/4847 useless extension candidates. Maximal degree in co-relation 65931. Up to 1945 conditions per place. [2021-06-11 13:47:56,693 INFO L151 LiptonReduction]: Number of co-enabled transitions 1784 [2021-06-11 13:47:57,592 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:47:57,593 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:47:57,593 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3015 [2021-06-11 13:47:57,593 INFO L480 AbstractCegarLoop]: Abstraction has has 838 places, 2848 transitions, 76228 flow [2021-06-11 13:47:57,593 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:47:57,593 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:47:57,593 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] [2021-06-11 13:47:57,593 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-06-11 13:47:57,593 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:47:57,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:47:57,594 INFO L82 PathProgramCache]: Analyzing trace with hash 1387303111, now seen corresponding path program 15 times [2021-06-11 13:47:57,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:47:57,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143617558] [2021-06-11 13:47:57,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:47:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:47:57,605 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:47:57,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:47:57,608 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:47:57,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:47:57,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:57,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:47:57,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:57,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:47:57,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:57,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:47:57,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:57,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:47:57,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:57,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:47:57,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:57,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:47:57,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:57,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:47:57,700 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 13:47:57,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:47:57,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:57,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:47:57,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:57,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:47:57,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:47:57,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:47:57,765 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:47:57,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:47:57,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:47:57,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143617558] [2021-06-11 13:47:57,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:47:57,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-11 13:47:57,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492726377] [2021-06-11 13:47:57,767 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 13:47:57,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:47:57,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 13:47:57,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-06-11 13:47:57,768 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:47:57,768 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 838 places, 2848 transitions, 76228 flow. Second operand has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:47:57,768 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:47:57,768 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:47:57,768 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:48:03,307 INFO L129 PetriNetUnfolder]: 2751/5227 cut-off events. [2021-06-11 13:48:03,308 INFO L130 PetriNetUnfolder]: For 364339/364353 co-relation queries the response was YES. [2021-06-11 13:48:03,395 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75854 conditions, 5227 events. 2751/5227 cut-off events. For 364339/364353 co-relation queries the response was YES. Maximal size of possible extension queue 643. Compared 40065 event pairs, 214 based on Foata normal form. 11/5236 useless extension candidates. Maximal degree in co-relation 75522. Up to 3382 conditions per place. [2021-06-11 13:48:03,426 INFO L132 encePairwiseOnDemand]: 49/70 looper letters, 1255 selfloop transitions, 1757 changer transitions 4/3024 dead transitions. [2021-06-11 13:48:03,427 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 890 places, 3024 transitions, 87869 flow [2021-06-11 13:48:03,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-11 13:48:03,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-06-11 13:48:03,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 1632 transitions. [2021-06-11 13:48:03,428 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4398921832884097 [2021-06-11 13:48:03,428 INFO L72 ComplementDD]: Start complementDD. Operand 53 states and 1632 transitions. [2021-06-11 13:48:03,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 1632 transitions. [2021-06-11 13:48:03,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:48:03,429 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 53 states and 1632 transitions. [2021-06-11 13:48:03,430 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 54 states, 53 states have (on average 30.79245283018868) internal successors, (1632), 53 states have internal predecessors, (1632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:48:03,432 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 54 states, 54 states have (on average 70.0) internal successors, (3780), 54 states have internal predecessors, (3780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:48:03,432 INFO L81 ComplementDD]: Finished complementDD. Result has 54 states, 54 states have (on average 70.0) internal successors, (3780), 54 states have internal predecessors, (3780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:48:03,432 INFO L185 Difference]: Start difference. First operand has 838 places, 2848 transitions, 76228 flow. Second operand 53 states and 1632 transitions. [2021-06-11 13:48:03,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 890 places, 3024 transitions, 87869 flow [2021-06-11 13:48:08,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 861 places, 3024 transitions, 86323 flow, removed 171 selfloop flow, removed 29 redundant places. [2021-06-11 13:48:08,462 INFO L241 Difference]: Finished difference. Result has 876 places, 2968 transitions, 83109 flow [2021-06-11 13:48:08,464 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=74712, PETRI_DIFFERENCE_MINUEND_PLACES=809, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2848, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1644, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=53, PETRI_FLOW=83109, PETRI_PLACES=876, PETRI_TRANSITIONS=2968} [2021-06-11 13:48:08,464 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 837 predicate places. [2021-06-11 13:48:08,464 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:48:08,464 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 876 places, 2968 transitions, 83109 flow [2021-06-11 13:48:08,464 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 876 places, 2968 transitions, 83109 flow [2021-06-11 13:48:08,494 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 876 places, 2968 transitions, 83109 flow [2021-06-11 13:48:10,298 INFO L129 PetriNetUnfolder]: 2596/5027 cut-off events. [2021-06-11 13:48:10,298 INFO L130 PetriNetUnfolder]: For 343888/344154 co-relation queries the response was YES. [2021-06-11 13:48:10,603 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71660 conditions, 5027 events. 2596/5027 cut-off events. For 343888/344154 co-relation queries the response was YES. Maximal size of possible extension queue 663. Compared 40398 event pairs, 134 based on Foata normal form. 3/4977 useless extension candidates. Maximal degree in co-relation 71294. Up to 2010 conditions per place. [2021-06-11 13:48:10,653 INFO L151 LiptonReduction]: Number of co-enabled transitions 1828 [2021-06-11 13:48:11,596 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:48:11,596 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:48:11,596 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3132 [2021-06-11 13:48:11,596 INFO L480 AbstractCegarLoop]: Abstraction has has 876 places, 2968 transitions, 83109 flow [2021-06-11 13:48:11,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:48:11,596 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:48:11,596 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] [2021-06-11 13:48:11,597 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-06-11 13:48:11,597 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:48:11,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:48:11,597 INFO L82 PathProgramCache]: Analyzing trace with hash 286865347, now seen corresponding path program 16 times [2021-06-11 13:48:11,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:48:11,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197185021] [2021-06-11 13:48:11,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:48:11,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:48:11,609 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:48:11,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:48:11,613 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:48:11,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:48:11,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:11,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:48:11,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:11,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:48:11,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:11,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:48:11,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:11,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:48:11,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:11,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:48:11,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:11,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:48:11,689 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 13:48:11,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:48:11,712 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 13:48:11,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:48:11,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:11,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:48:11,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:11,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:48:11,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:11,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:48:11,781 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:48:11,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:48:11,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:48:11,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197185021] [2021-06-11 13:48:11,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:48:11,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-11 13:48:11,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333419793] [2021-06-11 13:48:11,784 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 13:48:11,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:48:11,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 13:48:11,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-06-11 13:48:11,784 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:48:11,784 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 876 places, 2968 transitions, 83109 flow. Second operand has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:48:11,784 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:48:11,785 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:48:11,785 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:48:17,735 INFO L129 PetriNetUnfolder]: 2762/5274 cut-off events. [2021-06-11 13:48:17,735 INFO L130 PetriNetUnfolder]: For 411910/411924 co-relation queries the response was YES. [2021-06-11 13:48:17,832 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80077 conditions, 5274 events. 2762/5274 cut-off events. For 411910/411924 co-relation queries the response was YES. Maximal size of possible extension queue 649. Compared 40658 event pairs, 211 based on Foata normal form. 11/5283 useless extension candidates. Maximal degree in co-relation 79728. Up to 3544 conditions per place. [2021-06-11 13:48:17,863 INFO L132 encePairwiseOnDemand]: 49/70 looper letters, 1394 selfloop transitions, 1624 changer transitions 2/3028 dead transitions. [2021-06-11 13:48:17,863 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 921 places, 3028 transitions, 91854 flow [2021-06-11 13:48:17,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-11 13:48:17,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2021-06-11 13:48:17,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 1422 transitions. [2021-06-11 13:48:17,865 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44161490683229815 [2021-06-11 13:48:17,865 INFO L72 ComplementDD]: Start complementDD. Operand 46 states and 1422 transitions. [2021-06-11 13:48:17,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 1422 transitions. [2021-06-11 13:48:17,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:48:17,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 46 states and 1422 transitions. [2021-06-11 13:48:17,866 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 47 states, 46 states have (on average 30.91304347826087) internal successors, (1422), 46 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:48:17,868 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 47 states, 47 states have (on average 70.0) internal successors, (3290), 47 states have internal predecessors, (3290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:48:17,868 INFO L81 ComplementDD]: Finished complementDD. Result has 47 states, 47 states have (on average 70.0) internal successors, (3290), 47 states have internal predecessors, (3290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:48:17,868 INFO L185 Difference]: Start difference. First operand has 876 places, 2968 transitions, 83109 flow. Second operand 46 states and 1422 transitions. [2021-06-11 13:48:17,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 921 places, 3028 transitions, 91854 flow [2021-06-11 13:48:23,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 897 places, 3028 transitions, 89495 flow, removed 760 selfloop flow, removed 24 redundant places. [2021-06-11 13:48:23,203 INFO L241 Difference]: Finished difference. Result has 902 places, 2993 transitions, 85596 flow [2021-06-11 13:48:23,205 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=80838, PETRI_DIFFERENCE_MINUEND_PLACES=852, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2968, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1601, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=46, PETRI_FLOW=85596, PETRI_PLACES=902, PETRI_TRANSITIONS=2993} [2021-06-11 13:48:23,205 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 863 predicate places. [2021-06-11 13:48:23,205 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:48:23,205 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 902 places, 2993 transitions, 85596 flow [2021-06-11 13:48:23,206 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 902 places, 2993 transitions, 85596 flow [2021-06-11 13:48:23,236 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 902 places, 2993 transitions, 85596 flow [2021-06-11 13:48:25,048 INFO L129 PetriNetUnfolder]: 2590/5055 cut-off events. [2021-06-11 13:48:25,048 INFO L130 PetriNetUnfolder]: For 336261/336420 co-relation queries the response was YES. [2021-06-11 13:48:25,144 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73204 conditions, 5055 events. 2590/5055 cut-off events. For 336261/336420 co-relation queries the response was YES. Maximal size of possible extension queue 661. Compared 40828 event pairs, 136 based on Foata normal form. 7/5019 useless extension candidates. Maximal degree in co-relation 72856. Up to 1958 conditions per place. [2021-06-11 13:48:25,206 INFO L151 LiptonReduction]: Number of co-enabled transitions 1832 [2021-06-11 13:48:26,136 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:48:26,136 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:48:26,137 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2932 [2021-06-11 13:48:26,137 INFO L480 AbstractCegarLoop]: Abstraction has has 902 places, 2993 transitions, 85596 flow [2021-06-11 13:48:26,137 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:48:26,137 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:48:26,137 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] [2021-06-11 13:48:26,137 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-06-11 13:48:26,137 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:48:26,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:48:26,138 INFO L82 PathProgramCache]: Analyzing trace with hash -780226620, now seen corresponding path program 3 times [2021-06-11 13:48:26,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:48:26,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068233763] [2021-06-11 13:48:26,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:48:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:48:26,147 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:48:26,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:48:26,150 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:48:26,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:48:26,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:26,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:48:26,296 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2021-06-11 13:48:26,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:26,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:48:26,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:26,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:48:26,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:26,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:48:26,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:26,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:48:26,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:26,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:48:26,342 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-06-11 13:48:26,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:48:26,346 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-06-11 13:48:26,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:48:26,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:26,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:48:26,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:26,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:48:26,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:26,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:48:26,410 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:48:26,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:48:26,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:48:26,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068233763] [2021-06-11 13:48:26,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:48:26,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 13:48:26,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389865427] [2021-06-11 13:48:26,413 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:48:26,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:48:26,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:48:26,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:48:26,414 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:48:26,414 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 902 places, 2993 transitions, 85596 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:48:26,414 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:48:26,414 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:48:26,414 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:48:31,454 INFO L129 PetriNetUnfolder]: 2774/5325 cut-off events. [2021-06-11 13:48:31,454 INFO L130 PetriNetUnfolder]: For 397509/397523 co-relation queries the response was YES. [2021-06-11 13:48:31,548 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81629 conditions, 5325 events. 2774/5325 cut-off events. For 397509/397523 co-relation queries the response was YES. Maximal size of possible extension queue 654. Compared 41396 event pairs, 220 based on Foata normal form. 11/5334 useless extension candidates. Maximal degree in co-relation 81274. Up to 4181 conditions per place. [2021-06-11 13:48:31,579 INFO L132 encePairwiseOnDemand]: 50/70 looper letters, 2360 selfloop transitions, 730 changer transitions 2/3100 dead transitions. [2021-06-11 13:48:31,580 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 934 places, 3100 transitions, 94581 flow [2021-06-11 13:48:31,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-11 13:48:31,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-06-11 13:48:31,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 1029 transitions. [2021-06-11 13:48:31,581 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44545454545454544 [2021-06-11 13:48:31,581 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 1029 transitions. [2021-06-11 13:48:31,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 1029 transitions. [2021-06-11 13:48:31,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:48:31,581 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 1029 transitions. [2021-06-11 13:48:31,582 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 31.181818181818183) internal successors, (1029), 33 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:48:31,583 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 70.0) internal successors, (2380), 34 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:48:31,583 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 70.0) internal successors, (2380), 34 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:48:31,583 INFO L185 Difference]: Start difference. First operand has 902 places, 2993 transitions, 85596 flow. Second operand 33 states and 1029 transitions. [2021-06-11 13:48:31,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 934 places, 3100 transitions, 94581 flow [2021-06-11 13:48:37,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 894 places, 3100 transitions, 92389 flow, removed 117 selfloop flow, removed 40 redundant places. [2021-06-11 13:48:37,202 INFO L241 Difference]: Finished difference. Result has 903 places, 3029 transitions, 86346 flow [2021-06-11 13:48:37,204 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=83448, PETRI_DIFFERENCE_MINUEND_PLACES=862, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2993, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=697, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=86346, PETRI_PLACES=903, PETRI_TRANSITIONS=3029} [2021-06-11 13:48:37,205 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 864 predicate places. [2021-06-11 13:48:37,205 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:48:37,205 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 903 places, 3029 transitions, 86346 flow [2021-06-11 13:48:37,205 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 903 places, 3029 transitions, 86346 flow [2021-06-11 13:48:37,235 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 903 places, 3029 transitions, 86346 flow [2021-06-11 13:48:39,398 INFO L129 PetriNetUnfolder]: 2618/5106 cut-off events. [2021-06-11 13:48:39,398 INFO L130 PetriNetUnfolder]: For 363411/363645 co-relation queries the response was YES. [2021-06-11 13:48:39,491 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74679 conditions, 5106 events. 2618/5106 cut-off events. For 363411/363645 co-relation queries the response was YES. Maximal size of possible extension queue 673. Compared 41301 event pairs, 125 based on Foata normal form. 3/5061 useless extension candidates. Maximal degree in co-relation 74323. Up to 1941 conditions per place. [2021-06-11 13:48:39,547 INFO L151 LiptonReduction]: Number of co-enabled transitions 1868 [2021-06-11 13:48:40,469 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:48:40,470 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:48:40,470 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3265 [2021-06-11 13:48:40,470 INFO L480 AbstractCegarLoop]: Abstraction has has 903 places, 3029 transitions, 86346 flow [2021-06-11 13:48:40,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:48:40,470 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:48:40,470 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] [2021-06-11 13:48:40,470 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-06-11 13:48:40,470 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:48:40,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:48:40,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1578364136, now seen corresponding path program 4 times [2021-06-11 13:48:40,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:48:40,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096355052] [2021-06-11 13:48:40,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:48:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:48:40,479 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:48:40,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:48:40,483 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:48:40,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:48:40,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:40,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:48:40,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:40,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:48:40,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:40,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:48:40,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:40,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:48:40,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:40,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:48:40,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:40,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:48:40,549 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-06-11 13:48:40,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:48:40,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:40,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:48:40,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:40,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:48:40,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:40,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:48:40,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:40,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:48:40,589 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:48:40,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:48:40,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:48:40,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096355052] [2021-06-11 13:48:40,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:48:40,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 13:48:40,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890624148] [2021-06-11 13:48:40,677 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:48:40,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:48:40,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:48:40,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:48:40,678 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:48:40,678 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 903 places, 3029 transitions, 86346 flow. Second operand has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:48:40,678 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:48:40,678 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:48:40,678 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:48:45,780 INFO L129 PetriNetUnfolder]: 2773/5288 cut-off events. [2021-06-11 13:48:45,780 INFO L130 PetriNetUnfolder]: For 419817/419826 co-relation queries the response was YES. [2021-06-11 13:48:45,887 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82611 conditions, 5288 events. 2773/5288 cut-off events. For 419817/419826 co-relation queries the response was YES. Maximal size of possible extension queue 655. Compared 40876 event pairs, 123 based on Foata normal form. 8/5294 useless extension candidates. Maximal degree in co-relation 82248. Up to 4320 conditions per place. [2021-06-11 13:48:46,019 INFO L132 encePairwiseOnDemand]: 49/70 looper letters, 2348 selfloop transitions, 698 changer transitions 3/3057 dead transitions. [2021-06-11 13:48:46,019 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 925 places, 3057 transitions, 93596 flow [2021-06-11 13:48:46,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-11 13:48:46,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-06-11 13:48:46,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 732 transitions. [2021-06-11 13:48:46,021 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4546583850931677 [2021-06-11 13:48:46,021 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 732 transitions. [2021-06-11 13:48:46,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 732 transitions. [2021-06-11 13:48:46,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:48:46,021 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 732 transitions. [2021-06-11 13:48:46,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 31.82608695652174) internal successors, (732), 23 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:48:46,022 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 70.0) internal successors, (1680), 24 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:48:46,022 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 70.0) internal successors, (1680), 24 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:48:46,022 INFO L185 Difference]: Start difference. First operand has 903 places, 3029 transitions, 86346 flow. Second operand 23 states and 732 transitions. [2021-06-11 13:48:46,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 925 places, 3057 transitions, 93596 flow [2021-06-11 13:48:52,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 908 places, 3057 transitions, 92564 flow, removed 347 selfloop flow, removed 17 redundant places. [2021-06-11 13:48:52,407 INFO L241 Difference]: Finished difference. Result has 911 places, 3030 transitions, 87162 flow [2021-06-11 13:48:52,408 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=85422, PETRI_DIFFERENCE_MINUEND_PLACES=886, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3029, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=696, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=87162, PETRI_PLACES=911, PETRI_TRANSITIONS=3030} [2021-06-11 13:48:52,409 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 872 predicate places. [2021-06-11 13:48:52,409 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:48:52,409 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 911 places, 3030 transitions, 87162 flow [2021-06-11 13:48:52,409 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 911 places, 3030 transitions, 87162 flow [2021-06-11 13:48:52,439 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 911 places, 3030 transitions, 87162 flow [2021-06-11 13:48:54,645 INFO L129 PetriNetUnfolder]: 2584/5049 cut-off events. [2021-06-11 13:48:54,645 INFO L130 PetriNetUnfolder]: For 357765/357842 co-relation queries the response was YES. [2021-06-11 13:48:54,743 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74740 conditions, 5049 events. 2584/5049 cut-off events. For 357765/357842 co-relation queries the response was YES. Maximal size of possible extension queue 667. Compared 40505 event pairs, 120 based on Foata normal form. 4/5021 useless extension candidates. Maximal degree in co-relation 74379. Up to 1898 conditions per place. [2021-06-11 13:48:54,798 INFO L151 LiptonReduction]: Number of co-enabled transitions 1868 [2021-06-11 13:48:55,767 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:48:55,767 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:48:55,767 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3358 [2021-06-11 13:48:55,768 INFO L480 AbstractCegarLoop]: Abstraction has has 911 places, 3030 transitions, 87162 flow [2021-06-11 13:48:55,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:48:55,768 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:48:55,768 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] [2021-06-11 13:48:55,768 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-06-11 13:48:55,768 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:48:55,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:48:55,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1861412746, now seen corresponding path program 5 times [2021-06-11 13:48:55,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:48:55,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440595418] [2021-06-11 13:48:55,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:48:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:48:55,778 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:48:55,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:48:55,782 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:48:55,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:48:55,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:55,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:48:55,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:55,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:48:55,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:55,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:48:55,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:55,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:48:55,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:55,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:48:55,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:55,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:48:55,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:55,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:48:55,860 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-06-11 13:48:55,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:48:55,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:55,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:48:55,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:55,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:48:55,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:48:55,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:48:55,916 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:48:55,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:48:55,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:48:55,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440595418] [2021-06-11 13:48:55,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:48:55,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 13:48:55,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259910792] [2021-06-11 13:48:55,919 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:48:55,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:48:55,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:48:55,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:48:55,919 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:48:55,920 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 911 places, 3030 transitions, 87162 flow. Second operand has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:48:55,920 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:48:55,920 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:48:55,920 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:49:01,163 INFO L129 PetriNetUnfolder]: 2779/5329 cut-off events. [2021-06-11 13:49:01,163 INFO L130 PetriNetUnfolder]: For 424782/424796 co-relation queries the response was YES. [2021-06-11 13:49:01,258 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83570 conditions, 5329 events. 2779/5329 cut-off events. For 424782/424796 co-relation queries the response was YES. Maximal size of possible extension queue 660. Compared 41313 event pairs, 229 based on Foata normal form. 11/5338 useless extension candidates. Maximal degree in co-relation 83173. Up to 4449 conditions per place. [2021-06-11 13:49:01,288 INFO L132 encePairwiseOnDemand]: 49/70 looper letters, 2476 selfloop transitions, 598 changer transitions 3/3085 dead transitions. [2021-06-11 13:49:01,288 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 933 places, 3085 transitions, 95355 flow [2021-06-11 13:49:01,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-11 13:49:01,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-06-11 13:49:01,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 727 transitions. [2021-06-11 13:49:01,289 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4515527950310559 [2021-06-11 13:49:01,290 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 727 transitions. [2021-06-11 13:49:01,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 727 transitions. [2021-06-11 13:49:01,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:49:01,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 727 transitions. [2021-06-11 13:49:01,290 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 31.608695652173914) internal successors, (727), 23 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:49:01,291 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 70.0) internal successors, (1680), 24 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:49:01,291 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 70.0) internal successors, (1680), 24 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:49:01,291 INFO L185 Difference]: Start difference. First operand has 911 places, 3030 transitions, 87162 flow. Second operand 23 states and 727 transitions. [2021-06-11 13:49:01,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 933 places, 3085 transitions, 95355 flow [2021-06-11 13:49:06,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 915 places, 3085 transitions, 94409 flow, removed 20 selfloop flow, removed 18 redundant places. [2021-06-11 13:49:06,418 INFO L241 Difference]: Finished difference. Result has 923 places, 3068 transitions, 88889 flow [2021-06-11 13:49:06,420 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=86260, PETRI_DIFFERENCE_MINUEND_PLACES=893, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3030, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=562, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=88889, PETRI_PLACES=923, PETRI_TRANSITIONS=3068} [2021-06-11 13:49:06,420 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 884 predicate places. [2021-06-11 13:49:06,420 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:49:06,420 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 923 places, 3068 transitions, 88889 flow [2021-06-11 13:49:06,420 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 923 places, 3068 transitions, 88889 flow [2021-06-11 13:49:06,452 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 923 places, 3068 transitions, 88889 flow [2021-06-11 13:49:08,772 INFO L129 PetriNetUnfolder]: 2618/5132 cut-off events. [2021-06-11 13:49:08,772 INFO L130 PetriNetUnfolder]: For 362934/363088 co-relation queries the response was YES. [2021-06-11 13:49:08,866 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75898 conditions, 5132 events. 2618/5132 cut-off events. For 362934/363088 co-relation queries the response was YES. Maximal size of possible extension queue 678. Compared 41686 event pairs, 123 based on Foata normal form. 4/5086 useless extension candidates. Maximal degree in co-relation 75499. Up to 1940 conditions per place. [2021-06-11 13:49:08,919 INFO L151 LiptonReduction]: Number of co-enabled transitions 1884 [2021-06-11 13:49:09,861 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:49:09,861 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:49:09,861 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3441 [2021-06-11 13:49:09,861 INFO L480 AbstractCegarLoop]: Abstraction has has 923 places, 3068 transitions, 88889 flow [2021-06-11 13:49:09,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:49:09,861 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:49:09,861 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] [2021-06-11 13:49:09,861 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-06-11 13:49:09,862 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:49:09,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:49:09,862 INFO L82 PathProgramCache]: Analyzing trace with hash -762922999, now seen corresponding path program 17 times [2021-06-11 13:49:09,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:49:09,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929145469] [2021-06-11 13:49:09,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:49:09,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:49:09,872 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:49:09,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:49:09,875 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:49:09,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:49:09,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:09,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:49:09,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:09,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:49:09,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:09,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:49:09,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:09,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:49:09,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:09,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:49:09,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:09,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:49:09,948 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 13:49:09,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:49:09,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:09,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:49:09,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:09,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:49:09,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:09,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:49:09,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:10,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:49:10,014 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:49:10,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:49:10,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:49:10,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929145469] [2021-06-11 13:49:10,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:49:10,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 13:49:10,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108899477] [2021-06-11 13:49:10,017 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 13:49:10,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:49:10,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 13:49:10,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 13:49:10,018 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:49:10,018 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 923 places, 3068 transitions, 88889 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:49:10,018 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:49:10,018 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:49:10,018 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:49:15,927 INFO L129 PetriNetUnfolder]: 2869/5524 cut-off events. [2021-06-11 13:49:15,927 INFO L130 PetriNetUnfolder]: For 440865/440879 co-relation queries the response was YES. [2021-06-11 13:49:16,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86265 conditions, 5524 events. 2869/5524 cut-off events. For 440865/440879 co-relation queries the response was YES. Maximal size of possible extension queue 692. Compared 43486 event pairs, 209 based on Foata normal form. 11/5533 useless extension candidates. Maximal degree in co-relation 85858. Up to 3932 conditions per place. [2021-06-11 13:49:16,059 INFO L132 encePairwiseOnDemand]: 50/70 looper letters, 1669 selfloop transitions, 1568 changer transitions 5/3250 dead transitions. [2021-06-11 13:49:16,059 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 955 places, 3250 transitions, 100361 flow [2021-06-11 13:49:16,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-11 13:49:16,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-06-11 13:49:16,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 1045 transitions. [2021-06-11 13:49:16,061 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4523809523809524 [2021-06-11 13:49:16,061 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 1045 transitions. [2021-06-11 13:49:16,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 1045 transitions. [2021-06-11 13:49:16,061 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:49:16,061 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 1045 transitions. [2021-06-11 13:49:16,062 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 31.666666666666668) internal successors, (1045), 33 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:49:16,063 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 70.0) internal successors, (2380), 34 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:49:16,063 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 70.0) internal successors, (2380), 34 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:49:16,063 INFO L185 Difference]: Start difference. First operand has 923 places, 3068 transitions, 88889 flow. Second operand 33 states and 1045 transitions. [2021-06-11 13:49:16,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 955 places, 3250 transitions, 100361 flow [2021-06-11 13:49:21,600 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 945 places, 3250 transitions, 99886 flow, removed 131 selfloop flow, removed 10 redundant places. [2021-06-11 13:49:21,663 INFO L241 Difference]: Finished difference. Result has 951 places, 3210 transitions, 96013 flow [2021-06-11 13:49:21,664 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=88414, PETRI_DIFFERENCE_MINUEND_PLACES=913, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3068, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1438, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1596, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=96013, PETRI_PLACES=951, PETRI_TRANSITIONS=3210} [2021-06-11 13:49:21,664 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 912 predicate places. [2021-06-11 13:49:21,664 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:49:21,665 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 951 places, 3210 transitions, 96013 flow [2021-06-11 13:49:21,665 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 951 places, 3210 transitions, 96013 flow [2021-06-11 13:49:21,697 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 951 places, 3210 transitions, 96013 flow [2021-06-11 13:49:23,885 INFO L129 PetriNetUnfolder]: 2714/5301 cut-off events. [2021-06-11 13:49:23,886 INFO L130 PetriNetUnfolder]: For 386017/386177 co-relation queries the response was YES. [2021-06-11 13:49:23,988 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80886 conditions, 5301 events. 2714/5301 cut-off events. For 386017/386177 co-relation queries the response was YES. Maximal size of possible extension queue 709. Compared 43227 event pairs, 160 based on Foata normal form. 4/5257 useless extension candidates. Maximal degree in co-relation 80511. Up to 2028 conditions per place. [2021-06-11 13:49:24,133 INFO L151 LiptonReduction]: Number of co-enabled transitions 2012 [2021-06-11 13:49:25,206 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:49:25,207 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:49:25,207 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3543 [2021-06-11 13:49:25,207 INFO L480 AbstractCegarLoop]: Abstraction has has 951 places, 3210 transitions, 96013 flow [2021-06-11 13:49:25,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:49:25,207 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:49:25,207 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] [2021-06-11 13:49:25,207 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-06-11 13:49:25,207 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:49:25,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:49:25,208 INFO L82 PathProgramCache]: Analyzing trace with hash -917360517, now seen corresponding path program 18 times [2021-06-11 13:49:25,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:49:25,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530681829] [2021-06-11 13:49:25,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:49:25,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:49:25,223 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:49:25,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:49:25,227 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:49:25,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:49:25,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:25,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:49:25,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:25,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:49:25,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:25,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:49:25,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:25,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:49:25,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:25,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:49:25,286 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 13:49:25,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:49:25,308 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 13:49:25,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:49:25,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:25,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:49:25,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:25,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:49:25,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:25,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:49:25,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:25,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:49:25,372 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:49:25,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:49:25,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:49:25,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530681829] [2021-06-11 13:49:25,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:49:25,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 13:49:25,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259567243] [2021-06-11 13:49:25,374 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 13:49:25,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:49:25,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 13:49:25,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 13:49:25,375 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:49:25,375 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 951 places, 3210 transitions, 96013 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:49:25,375 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:49:25,375 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:49:25,375 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:49:31,417 INFO L129 PetriNetUnfolder]: 2868/5530 cut-off events. [2021-06-11 13:49:31,417 INFO L130 PetriNetUnfolder]: For 461474/461488 co-relation queries the response was YES. [2021-06-11 13:49:31,517 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89200 conditions, 5530 events. 2868/5530 cut-off events. For 461474/461488 co-relation queries the response was YES. Maximal size of possible extension queue 694. Compared 43633 event pairs, 215 based on Foata normal form. 11/5539 useless extension candidates. Maximal degree in co-relation 88794. Up to 4062 conditions per place. [2021-06-11 13:49:31,549 INFO L132 encePairwiseOnDemand]: 50/70 looper letters, 1833 selfloop transitions, 1391 changer transitions 4/3236 dead transitions. [2021-06-11 13:49:31,549 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 977 places, 3236 transitions, 103863 flow [2021-06-11 13:49:31,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-11 13:49:31,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-06-11 13:49:31,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 865 transitions. [2021-06-11 13:49:31,551 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4576719576719577 [2021-06-11 13:49:31,551 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 865 transitions. [2021-06-11 13:49:31,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 865 transitions. [2021-06-11 13:49:31,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:49:31,551 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 865 transitions. [2021-06-11 13:49:31,552 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 32.03703703703704) internal successors, (865), 27 states have internal predecessors, (865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:49:31,553 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 70.0) internal successors, (1960), 28 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) [2021-06-11 13:49:31,553 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 70.0) internal successors, (1960), 28 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) [2021-06-11 13:49:31,553 INFO L185 Difference]: Start difference. First operand has 951 places, 3210 transitions, 96013 flow. Second operand 27 states and 865 transitions. [2021-06-11 13:49:31,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 977 places, 3236 transitions, 103863 flow [2021-06-11 13:49:38,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 964 places, 3236 transitions, 102831 flow, removed 344 selfloop flow, removed 13 redundant places. [2021-06-11 13:49:38,067 INFO L241 Difference]: Finished difference. Result has 968 places, 3215 transitions, 98672 flow [2021-06-11 13:49:38,069 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=94981, PETRI_DIFFERENCE_MINUEND_PLACES=938, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1386, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1821, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=98672, PETRI_PLACES=968, PETRI_TRANSITIONS=3215} [2021-06-11 13:49:38,069 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 929 predicate places. [2021-06-11 13:49:38,069 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:49:38,069 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 968 places, 3215 transitions, 98672 flow [2021-06-11 13:49:38,070 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 968 places, 3215 transitions, 98672 flow [2021-06-11 13:49:38,103 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 968 places, 3215 transitions, 98672 flow [2021-06-11 13:49:40,343 INFO L129 PetriNetUnfolder]: 2730/5310 cut-off events. [2021-06-11 13:49:40,344 INFO L130 PetriNetUnfolder]: For 383861/384048 co-relation queries the response was YES. [2021-06-11 13:49:40,445 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82638 conditions, 5310 events. 2730/5310 cut-off events. For 383861/384048 co-relation queries the response was YES. Maximal size of possible extension queue 709. Compared 43075 event pairs, 161 based on Foata normal form. 4/5261 useless extension candidates. Maximal degree in co-relation 82265. Up to 2034 conditions per place. [2021-06-11 13:49:40,504 INFO L151 LiptonReduction]: Number of co-enabled transitions 2016 [2021-06-11 13:49:41,590 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:49:41,590 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:49:41,590 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3521 [2021-06-11 13:49:41,591 INFO L480 AbstractCegarLoop]: Abstraction has has 968 places, 3215 transitions, 98672 flow [2021-06-11 13:49:41,591 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:49:41,591 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:49:41,591 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] [2021-06-11 13:49:41,591 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-06-11 13:49:41,591 INFO L428 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:49:41,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:49:41,591 INFO L82 PathProgramCache]: Analyzing trace with hash -1453803748, now seen corresponding path program 1 times [2021-06-11 13:49:41,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:49:41,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616524916] [2021-06-11 13:49:41,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:49:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:49:41,601 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:49:41,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:49:41,605 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:49:41,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:49:41,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:41,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:49:41,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:41,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:49:41,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:41,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:49:41,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:41,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:49:41,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:41,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:49:41,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:41,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:49:41,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:41,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:49:41,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:41,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:49:41,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:41,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:49:41,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:41,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:49:41,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:41,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:49:41,710 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:49:41,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:49:41,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:49:41,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616524916] [2021-06-11 13:49:41,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:49:41,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 13:49:41,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123909513] [2021-06-11 13:49:41,713 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:49:41,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:49:41,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:49:41,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:49:41,713 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:49:41,713 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 968 places, 3215 transitions, 98672 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:49:41,714 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:49:41,714 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:49:41,714 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:49:47,520 INFO L129 PetriNetUnfolder]: 2879/5569 cut-off events. [2021-06-11 13:49:47,520 INFO L130 PetriNetUnfolder]: For 477058/477065 co-relation queries the response was YES. [2021-06-11 13:49:47,625 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91080 conditions, 5569 events. 2879/5569 cut-off events. For 477058/477065 co-relation queries the response was YES. Maximal size of possible extension queue 699. Compared 44119 event pairs, 229 based on Foata normal form. 6/5573 useless extension candidates. Maximal degree in co-relation 90675. Up to 4611 conditions per place. [2021-06-11 13:49:47,658 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 2670 selfloop transitions, 572 changer transitions 4/3254 dead transitions. [2021-06-11 13:49:47,658 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 993 places, 3254 transitions, 106490 flow [2021-06-11 13:49:47,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-11 13:49:47,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-06-11 13:49:47,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 805 transitions. [2021-06-11 13:49:47,659 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4423076923076923 [2021-06-11 13:49:47,659 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 805 transitions. [2021-06-11 13:49:47,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 805 transitions. [2021-06-11 13:49:47,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:49:47,660 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 805 transitions. [2021-06-11 13:49:47,660 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 30.96153846153846) internal successors, (805), 26 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:49:47,661 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 70.0) internal successors, (1890), 27 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:49:47,661 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 70.0) internal successors, (1890), 27 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:49:47,661 INFO L185 Difference]: Start difference. First operand has 968 places, 3215 transitions, 98672 flow. Second operand 26 states and 805 transitions. [2021-06-11 13:49:47,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 993 places, 3254 transitions, 106490 flow [2021-06-11 13:49:53,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 968 places, 3254 transitions, 104199 flow, removed 125 selfloop flow, removed 25 redundant places. [2021-06-11 13:49:53,617 INFO L241 Difference]: Finished difference. Result has 976 places, 3242 transitions, 98316 flow [2021-06-11 13:49:53,619 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=96393, PETRI_DIFFERENCE_MINUEND_PLACES=943, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=548, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2654, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=98316, PETRI_PLACES=976, PETRI_TRANSITIONS=3242} [2021-06-11 13:49:53,619 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 937 predicate places. [2021-06-11 13:49:53,619 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:49:53,619 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 976 places, 3242 transitions, 98316 flow [2021-06-11 13:49:53,619 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 976 places, 3242 transitions, 98316 flow [2021-06-11 13:49:53,652 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 975 places, 3242 transitions, 98316 flow [2021-06-11 13:49:56,036 INFO L129 PetriNetUnfolder]: 2738/5347 cut-off events. [2021-06-11 13:49:56,036 INFO L130 PetriNetUnfolder]: For 394749/394930 co-relation queries the response was YES. [2021-06-11 13:49:56,138 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82183 conditions, 5347 events. 2738/5347 cut-off events. For 394749/394930 co-relation queries the response was YES. Maximal size of possible extension queue 710. Compared 43788 event pairs, 170 based on Foata normal form. 7/5291 useless extension candidates. Maximal degree in co-relation 81776. Up to 2037 conditions per place. [2021-06-11 13:49:56,197 INFO L151 LiptonReduction]: Number of co-enabled transitions 2046 [2021-06-11 13:49:57,305 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:49:57,305 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:49:57,305 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3686 [2021-06-11 13:49:57,306 INFO L480 AbstractCegarLoop]: Abstraction has has 975 places, 3242 transitions, 98316 flow [2021-06-11 13:49:57,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:49:57,306 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:49:57,306 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] [2021-06-11 13:49:57,306 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-06-11 13:49:57,306 INFO L428 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:49:57,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:49:57,306 INFO L82 PathProgramCache]: Analyzing trace with hash 617379420, now seen corresponding path program 2 times [2021-06-11 13:49:57,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:49:57,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885155537] [2021-06-11 13:49:57,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:49:57,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:49:57,317 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:49:57,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:49:57,321 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:49:57,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:49:57,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:57,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:49:57,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:57,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:49:57,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:57,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:49:57,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:57,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:49:57,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:57,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:49:57,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:57,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:49:57,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:57,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:49:57,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:57,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:49:57,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:57,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:49:57,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:57,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:49:57,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:49:57,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:49:57,519 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:49:57,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:49:57,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:49:57,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885155537] [2021-06-11 13:49:57,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:49:57,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 13:49:57,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406731658] [2021-06-11 13:49:57,522 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 13:49:57,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:49:57,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 13:49:57,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 13:49:57,522 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:49:57,523 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 975 places, 3242 transitions, 98316 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:49:57,523 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:49:57,523 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:49:57,523 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:50:04,270 INFO L129 PetriNetUnfolder]: 3068/5963 cut-off events. [2021-06-11 13:50:04,270 INFO L130 PetriNetUnfolder]: For 498392/498406 co-relation queries the response was YES. [2021-06-11 13:50:04,383 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96368 conditions, 5963 events. 3068/5963 cut-off events. For 498392/498406 co-relation queries the response was YES. Maximal size of possible extension queue 754. Compared 48164 event pairs, 230 based on Foata normal form. 11/5972 useless extension candidates. Maximal degree in co-relation 95953. Up to 4742 conditions per place. [2021-06-11 13:50:04,419 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 2767 selfloop transitions, 756 changer transitions 11/3542 dead transitions. [2021-06-11 13:50:04,419 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1011 places, 3542 transitions, 115625 flow [2021-06-11 13:50:04,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-11 13:50:04,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-06-11 13:50:04,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 1148 transitions. [2021-06-11 13:50:04,420 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44324324324324327 [2021-06-11 13:50:04,421 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 1148 transitions. [2021-06-11 13:50:04,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 1148 transitions. [2021-06-11 13:50:04,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:50:04,421 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 1148 transitions. [2021-06-11 13:50:04,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 31.027027027027028) internal successors, (1148), 37 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:50:04,423 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 70.0) internal successors, (2660), 38 states have internal predecessors, (2660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:50:04,423 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 70.0) internal successors, (2660), 38 states have internal predecessors, (2660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:50:04,423 INFO L185 Difference]: Start difference. First operand has 975 places, 3242 transitions, 98316 flow. Second operand 37 states and 1148 transitions. [2021-06-11 13:50:04,423 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1011 places, 3542 transitions, 115625 flow [2021-06-11 13:50:11,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 991 places, 3542 transitions, 114071 flow, removed 298 selfloop flow, removed 20 redundant places. [2021-06-11 13:50:11,243 INFO L241 Difference]: Finished difference. Result has 1005 places, 3466 transitions, 106845 flow [2021-06-11 13:50:11,244 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=97034, PETRI_DIFFERENCE_MINUEND_PLACES=955, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=535, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2588, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=106845, PETRI_PLACES=1005, PETRI_TRANSITIONS=3466} [2021-06-11 13:50:11,245 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 966 predicate places. [2021-06-11 13:50:11,245 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:50:11,245 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1005 places, 3466 transitions, 106845 flow [2021-06-11 13:50:11,245 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1005 places, 3466 transitions, 106845 flow [2021-06-11 13:50:11,283 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1004 places, 3466 transitions, 106845 flow [2021-06-11 13:50:13,779 INFO L129 PetriNetUnfolder]: 2911/5711 cut-off events. [2021-06-11 13:50:13,779 INFO L130 PetriNetUnfolder]: For 422881/423067 co-relation queries the response was YES. [2021-06-11 13:50:13,891 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88542 conditions, 5711 events. 2911/5711 cut-off events. For 422881/423067 co-relation queries the response was YES. Maximal size of possible extension queue 762. Compared 47491 event pairs, 139 based on Foata normal form. 10/5677 useless extension candidates. Maximal degree in co-relation 88190. Up to 2093 conditions per place. [2021-06-11 13:50:14,079 INFO L151 LiptonReduction]: Number of co-enabled transitions 2288 [2021-06-11 13:50:15,355 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:50:15,356 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:50:15,356 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4111 [2021-06-11 13:50:15,356 INFO L480 AbstractCegarLoop]: Abstraction has has 1004 places, 3466 transitions, 106845 flow [2021-06-11 13:50:15,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:50:15,356 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:50:15,356 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] [2021-06-11 13:50:15,356 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-06-11 13:50:15,356 INFO L428 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:50:15,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:50:15,357 INFO L82 PathProgramCache]: Analyzing trace with hash 328917798, now seen corresponding path program 3 times [2021-06-11 13:50:15,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:50:15,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999965948] [2021-06-11 13:50:15,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:50:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:50:15,367 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:50:15,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:50:15,371 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:50:15,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:50:15,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:50:15,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:50:15,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:50:15,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:50:15,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:50:15,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:50:15,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:50:15,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:50:15,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:50:15,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:50:15,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:50:15,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:50:15,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:50:15,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:50:15,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:50:15,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:50:15,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:50:15,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:50:15,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:50:15,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:50:15,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:50:15,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:50:15,504 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:50:15,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:50:15,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:50:15,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999965948] [2021-06-11 13:50:15,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:50:15,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 13:50:15,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841443979] [2021-06-11 13:50:15,507 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 13:50:15,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:50:15,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 13:50:15,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 13:50:15,508 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:50:15,508 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1004 places, 3466 transitions, 106845 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:50:15,508 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:50:15,508 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:50:15,508 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:50:23,310 INFO L129 PetriNetUnfolder]: 3121/6140 cut-off events. [2021-06-11 13:50:23,310 INFO L130 PetriNetUnfolder]: For 503299/503313 co-relation queries the response was YES. [2021-06-11 13:50:23,431 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99405 conditions, 6140 events. 3121/6140 cut-off events. For 503299/503313 co-relation queries the response was YES. Maximal size of possible extension queue 784. Compared 50545 event pairs, 231 based on Foata normal form. 11/6149 useless extension candidates. Maximal degree in co-relation 99048. Up to 4716 conditions per place. [2021-06-11 13:50:23,470 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 2757 selfloop transitions, 868 changer transitions 11/3644 dead transitions. [2021-06-11 13:50:23,470 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1041 places, 3644 transitions, 119577 flow [2021-06-11 13:50:23,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-11 13:50:23,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-06-11 13:50:23,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 1182 transitions. [2021-06-11 13:50:23,472 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4443609022556391 [2021-06-11 13:50:23,472 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 1182 transitions. [2021-06-11 13:50:23,472 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 1182 transitions. [2021-06-11 13:50:23,472 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:50:23,472 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 1182 transitions. [2021-06-11 13:50:23,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 31.105263157894736) internal successors, (1182), 38 states have internal predecessors, (1182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:50:23,474 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 70.0) internal successors, (2730), 39 states have internal predecessors, (2730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:50:23,474 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 70.0) internal successors, (2730), 39 states have internal predecessors, (2730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:50:23,474 INFO L185 Difference]: Start difference. First operand has 1004 places, 3466 transitions, 106845 flow. Second operand 38 states and 1182 transitions. [2021-06-11 13:50:23,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1041 places, 3644 transitions, 119577 flow [2021-06-11 13:50:31,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1027 places, 3644 transitions, 118427 flow, removed 513 selfloop flow, removed 14 redundant places. [2021-06-11 13:50:31,175 INFO L241 Difference]: Finished difference. Result has 1037 places, 3573 transitions, 111313 flow [2021-06-11 13:50:31,177 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=106130, PETRI_DIFFERENCE_MINUEND_PLACES=990, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3466, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=763, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2637, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=111313, PETRI_PLACES=1037, PETRI_TRANSITIONS=3573} [2021-06-11 13:50:31,177 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 998 predicate places. [2021-06-11 13:50:31,177 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:50:31,177 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1037 places, 3573 transitions, 111313 flow [2021-06-11 13:50:31,177 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1037 places, 3573 transitions, 111313 flow [2021-06-11 13:50:31,215 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1036 places, 3573 transitions, 111313 flow [2021-06-11 13:50:33,883 INFO L129 PetriNetUnfolder]: 2963/5883 cut-off events. [2021-06-11 13:50:33,883 INFO L130 PetriNetUnfolder]: For 448423/448630 co-relation queries the response was YES. [2021-06-11 13:50:34,015 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91563 conditions, 5883 events. 2963/5883 cut-off events. For 448423/448630 co-relation queries the response was YES. Maximal size of possible extension queue 801. Compared 49709 event pairs, 147 based on Foata normal form. 14/5848 useless extension candidates. Maximal degree in co-relation 91203. Up to 2074 conditions per place. [2021-06-11 13:50:34,197 INFO L151 LiptonReduction]: Number of co-enabled transitions 2524 [2021-06-11 13:50:35,497 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:50:35,497 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:50:35,497 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4320 [2021-06-11 13:50:35,497 INFO L480 AbstractCegarLoop]: Abstraction has has 1036 places, 3573 transitions, 111313 flow [2021-06-11 13:50:35,497 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:50:35,497 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:50:35,497 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] [2021-06-11 13:50:35,498 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-06-11 13:50:35,498 INFO L428 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:50:35,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:50:35,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1065677500, now seen corresponding path program 4 times [2021-06-11 13:50:35,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:50:35,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449936607] [2021-06-11 13:50:35,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:50:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:50:35,510 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:50:35,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:50:35,514 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:50:35,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:50:35,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:50:35,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:50:35,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:50:35,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:50:35,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:50:35,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:50:35,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:50:35,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:50:35,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:50:35,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:50:35,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:50:35,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:50:35,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:50:35,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:50:35,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:50:35,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:50:35,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:50:35,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:50:35,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:50:35,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:50:35,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:50:35,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:50:35,650 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:50:35,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:50:35,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:50:35,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449936607] [2021-06-11 13:50:35,653 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:50:35,653 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 13:50:35,653 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456740970] [2021-06-11 13:50:35,653 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 13:50:35,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:50:35,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 13:50:35,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 13:50:35,654 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:50:35,654 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1036 places, 3573 transitions, 111313 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:50:35,654 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:50:35,654 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:50:35,654 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:50:43,557 INFO L129 PetriNetUnfolder]: 3128/6177 cut-off events. [2021-06-11 13:50:43,557 INFO L130 PetriNetUnfolder]: For 518700/518714 co-relation queries the response was YES. [2021-06-11 13:50:43,685 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100830 conditions, 6177 events. 3128/6177 cut-off events. For 518700/518714 co-relation queries the response was YES. Maximal size of possible extension queue 794. Compared 51112 event pairs, 227 based on Foata normal form. 11/6186 useless extension candidates. Maximal degree in co-relation 100465. Up to 4652 conditions per place. [2021-06-11 13:50:43,843 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 2680 selfloop transitions, 968 changer transitions 11/3667 dead transitions. [2021-06-11 13:50:43,843 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1073 places, 3667 transitions, 121689 flow [2021-06-11 13:50:43,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-11 13:50:43,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-06-11 13:50:43,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 1176 transitions. [2021-06-11 13:50:43,845 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4421052631578947 [2021-06-11 13:50:43,845 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 1176 transitions. [2021-06-11 13:50:43,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 1176 transitions. [2021-06-11 13:50:43,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:50:43,845 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 1176 transitions. [2021-06-11 13:50:43,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 30.94736842105263) internal successors, (1176), 38 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:50:43,847 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 70.0) internal successors, (2730), 39 states have internal predecessors, (2730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:50:43,847 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 70.0) internal successors, (2730), 39 states have internal predecessors, (2730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:50:43,847 INFO L185 Difference]: Start difference. First operand has 1036 places, 3573 transitions, 111313 flow. Second operand 38 states and 1176 transitions. [2021-06-11 13:50:43,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1073 places, 3667 transitions, 121689 flow [2021-06-11 13:50:51,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1053 places, 3667 transitions, 120140 flow, removed 361 selfloop flow, removed 20 redundant places. [2021-06-11 13:50:51,587 INFO L241 Difference]: Finished difference. Result has 1061 places, 3604 transitions, 112969 flow [2021-06-11 13:50:51,589 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=109794, PETRI_DIFFERENCE_MINUEND_PLACES=1016, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3573, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=936, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2619, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=112969, PETRI_PLACES=1061, PETRI_TRANSITIONS=3604} [2021-06-11 13:50:51,589 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1022 predicate places. [2021-06-11 13:50:51,589 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:50:51,590 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1061 places, 3604 transitions, 112969 flow [2021-06-11 13:50:51,590 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1061 places, 3604 transitions, 112969 flow [2021-06-11 13:50:51,629 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1060 places, 3604 transitions, 112969 flow [2021-06-11 13:50:54,481 INFO L129 PetriNetUnfolder]: 2969/5937 cut-off events. [2021-06-11 13:50:54,481 INFO L130 PetriNetUnfolder]: For 435075/435334 co-relation queries the response was YES. [2021-06-11 13:50:54,605 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92779 conditions, 5937 events. 2969/5937 cut-off events. For 435075/435334 co-relation queries the response was YES. Maximal size of possible extension queue 799. Compared 50605 event pairs, 156 based on Foata normal form. 7/5885 useless extension candidates. Maximal degree in co-relation 92410. Up to 2073 conditions per place. [2021-06-11 13:50:54,673 INFO L151 LiptonReduction]: Number of co-enabled transitions 2596 [2021-06-11 13:50:56,051 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:50:56,051 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:50:56,052 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4463 [2021-06-11 13:50:56,052 INFO L480 AbstractCegarLoop]: Abstraction has has 1060 places, 3604 transitions, 112969 flow [2021-06-11 13:50:56,052 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:50:56,052 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:50:56,052 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] [2021-06-11 13:50:56,052 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-06-11 13:50:56,052 INFO L428 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:50:56,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:50:56,053 INFO L82 PathProgramCache]: Analyzing trace with hash -306592987, now seen corresponding path program 4 times [2021-06-11 13:50:56,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:50:56,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342079333] [2021-06-11 13:50:56,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:50:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:50:56,061 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:50:56,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:50:56,064 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:50:56,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:50:56,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:50:56,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:50:56,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:50:56,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:50:56,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:50:56,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:50:56,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:50:56,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:50:56,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:50:56,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:50:56,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:50:56,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:50:56,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:50:56,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:50:56,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:50:56,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:50:56,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:50:56,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:50:56,164 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:50:56,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:50:56,173 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:50:56,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:50:56,189 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 13:50:56,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:50:56,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:50:56,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342079333] [2021-06-11 13:50:56,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:50:56,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 13:50:56,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169906999] [2021-06-11 13:50:56,191 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:50:56,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:50:56,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:50:56,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:50:56,192 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:50:56,192 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1060 places, 3604 transitions, 112969 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:50:56,192 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:50:56,192 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:50:56,192 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:51:04,024 INFO L129 PetriNetUnfolder]: 3203/6362 cut-off events. [2021-06-11 13:51:04,024 INFO L130 PetriNetUnfolder]: For 515792/515801 co-relation queries the response was YES. [2021-06-11 13:51:04,157 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104019 conditions, 6362 events. 3203/6362 cut-off events. For 515792/515801 co-relation queries the response was YES. Maximal size of possible extension queue 825. Compared 53481 event pairs, 134 based on Foata normal form. 8/6368 useless extension candidates. Maximal degree in co-relation 103645. Up to 4812 conditions per place. [2021-06-11 13:51:04,197 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 2806 selfloop transitions, 977 changer transitions 3/3794 dead transitions. [2021-06-11 13:51:04,197 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1095 places, 3794 transitions, 126022 flow [2021-06-11 13:51:04,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-11 13:51:04,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2021-06-11 13:51:04,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 1113 transitions. [2021-06-11 13:51:04,199 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44166666666666665 [2021-06-11 13:51:04,199 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 1113 transitions. [2021-06-11 13:51:04,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 1113 transitions. [2021-06-11 13:51:04,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:51:04,199 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 1113 transitions. [2021-06-11 13:51:04,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 30.916666666666668) internal successors, (1113), 36 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:51:04,201 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 70.0) internal successors, (2590), 37 states have internal predecessors, (2590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:51:04,201 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 70.0) internal successors, (2590), 37 states have internal predecessors, (2590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:51:04,201 INFO L185 Difference]: Start difference. First operand has 1060 places, 3604 transitions, 112969 flow. Second operand 36 states and 1113 transitions. [2021-06-11 13:51:04,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1095 places, 3794 transitions, 126022 flow [2021-06-11 13:51:12,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1071 places, 3794 transitions, 124037 flow, removed 286 selfloop flow, removed 24 redundant places. [2021-06-11 13:51:12,330 INFO L241 Difference]: Finished difference. Result has 1079 places, 3726 transitions, 116753 flow [2021-06-11 13:51:12,331 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=111259, PETRI_DIFFERENCE_MINUEND_PLACES=1036, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=854, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2707, PETRI_DIFFERENCE_SUBTRAHEND_STATES=36, PETRI_FLOW=116753, PETRI_PLACES=1079, PETRI_TRANSITIONS=3726} [2021-06-11 13:51:12,332 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1040 predicate places. [2021-06-11 13:51:12,332 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:51:12,332 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1079 places, 3726 transitions, 116753 flow [2021-06-11 13:51:12,332 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1079 places, 3726 transitions, 116753 flow [2021-06-11 13:51:12,372 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1078 places, 3726 transitions, 116753 flow [2021-06-11 13:51:15,363 INFO L129 PetriNetUnfolder]: 3062/6167 cut-off events. [2021-06-11 13:51:15,363 INFO L130 PetriNetUnfolder]: For 438954/439300 co-relation queries the response was YES. [2021-06-11 13:51:15,685 INFO L84 FinitePrefix]: Finished finitePrefix Result has 95872 conditions, 6167 events. 3062/6167 cut-off events. For 438954/439300 co-relation queries the response was YES. Maximal size of possible extension queue 836. Compared 53299 event pairs, 150 based on Foata normal form. 9/6122 useless extension candidates. Maximal degree in co-relation 95502. Up to 2066 conditions per place. [2021-06-11 13:51:15,754 INFO L151 LiptonReduction]: Number of co-enabled transitions 2738 [2021-06-11 13:51:17,320 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:51:17,321 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:51:17,321 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4989 [2021-06-11 13:51:17,321 INFO L480 AbstractCegarLoop]: Abstraction has has 1078 places, 3726 transitions, 116753 flow [2021-06-11 13:51:17,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:51:17,321 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:51:17,321 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] [2021-06-11 13:51:17,321 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-06-11 13:51:17,321 INFO L428 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:51:17,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:51:17,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1541861140, now seen corresponding path program 5 times [2021-06-11 13:51:17,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:51:17,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171695830] [2021-06-11 13:51:17,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:51:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:51:17,330 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:51:17,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:51:17,342 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:51:17,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:51:17,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:51:17,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:51:17,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:51:17,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:51:17,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:51:17,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:51:17,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:51:17,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:51:17,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:51:17,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:51:17,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:51:17,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:51:17,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:51:17,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:51:17,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:51:17,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:51:17,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:51:17,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:51:17,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:51:17,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:51:17,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:51:17,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:51:17,481 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:51:17,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:51:17,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:51:17,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171695830] [2021-06-11 13:51:17,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:51:17,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 13:51:17,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075092818] [2021-06-11 13:51:17,484 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 13:51:17,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:51:17,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 13:51:17,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 13:51:17,484 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:51:17,484 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1078 places, 3726 transitions, 116753 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:51:17,484 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:51:17,484 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:51:17,485 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:51:25,727 INFO L129 PetriNetUnfolder]: 3226/6465 cut-off events. [2021-06-11 13:51:25,727 INFO L130 PetriNetUnfolder]: For 529578/529585 co-relation queries the response was YES. [2021-06-11 13:51:25,859 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105609 conditions, 6465 events. 3226/6465 cut-off events. For 529578/529585 co-relation queries the response was YES. Maximal size of possible extension queue 838. Compared 54875 event pairs, 238 based on Foata normal form. 6/6469 useless extension candidates. Maximal degree in co-relation 105234. Up to 5170 conditions per place. [2021-06-11 13:51:25,899 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3100 selfloop transitions, 724 changer transitions 15/3847 dead transitions. [2021-06-11 13:51:25,899 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1115 places, 3847 transitions, 128309 flow [2021-06-11 13:51:25,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-11 13:51:25,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-06-11 13:51:25,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 1161 transitions. [2021-06-11 13:51:25,901 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43646616541353384 [2021-06-11 13:51:25,901 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 1161 transitions. [2021-06-11 13:51:25,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 1161 transitions. [2021-06-11 13:51:25,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:51:25,901 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 1161 transitions. [2021-06-11 13:51:25,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 30.55263157894737) internal successors, (1161), 38 states have internal predecessors, (1161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:51:25,903 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 70.0) internal successors, (2730), 39 states have internal predecessors, (2730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:51:25,903 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 70.0) internal successors, (2730), 39 states have internal predecessors, (2730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:51:25,903 INFO L185 Difference]: Start difference. First operand has 1078 places, 3726 transitions, 116753 flow. Second operand 38 states and 1161 transitions. [2021-06-11 13:51:25,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1115 places, 3847 transitions, 128309 flow [2021-06-11 13:51:33,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1090 places, 3847 transitions, 126575 flow, removed 129 selfloop flow, removed 25 redundant places. [2021-06-11 13:51:34,080 INFO L241 Difference]: Finished difference. Result has 1101 places, 3780 transitions, 118726 flow [2021-06-11 13:51:34,082 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=115108, PETRI_DIFFERENCE_MINUEND_PLACES=1053, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3726, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=663, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3005, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=118726, PETRI_PLACES=1101, PETRI_TRANSITIONS=3780} [2021-06-11 13:51:34,082 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1062 predicate places. [2021-06-11 13:51:34,082 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:51:34,082 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1101 places, 3780 transitions, 118726 flow [2021-06-11 13:51:34,083 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1101 places, 3780 transitions, 118726 flow [2021-06-11 13:51:34,123 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1099 places, 3780 transitions, 118726 flow [2021-06-11 13:51:36,984 INFO L129 PetriNetUnfolder]: 3062/6240 cut-off events. [2021-06-11 13:51:36,984 INFO L130 PetriNetUnfolder]: For 444636/444957 co-relation queries the response was YES. [2021-06-11 13:51:37,222 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96430 conditions, 6240 events. 3062/6240 cut-off events. For 444636/444957 co-relation queries the response was YES. Maximal size of possible extension queue 858. Compared 54941 event pairs, 151 based on Foata normal form. 9/6206 useless extension candidates. Maximal degree in co-relation 96051. Up to 2054 conditions per place. [2021-06-11 13:51:37,293 INFO L151 LiptonReduction]: Number of co-enabled transitions 2768 [2021-06-11 13:51:38,871 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:51:38,871 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:51:38,872 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4790 [2021-06-11 13:51:38,872 INFO L480 AbstractCegarLoop]: Abstraction has has 1099 places, 3780 transitions, 118726 flow [2021-06-11 13:51:38,872 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:51:38,872 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:51:38,872 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] [2021-06-11 13:51:38,872 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-06-11 13:51:38,872 INFO L428 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:51:38,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:51:38,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1239402618, now seen corresponding path program 6 times [2021-06-11 13:51:38,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:51:38,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797877372] [2021-06-11 13:51:38,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:51:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:51:38,881 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:51:38,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:51:38,887 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:51:38,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:51:38,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:51:38,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:51:38,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:51:38,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:51:38,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:51:38,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:51:38,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:51:38,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:51:38,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:51:38,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:51:38,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:51:38,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:51:38,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:51:38,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:51:38,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:51:38,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:51:38,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:51:38,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:51:38,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:51:38,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:51:38,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:51:38,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:51:39,009 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:51:39,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:51:39,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:51:39,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797877372] [2021-06-11 13:51:39,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:51:39,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 13:51:39,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553313959] [2021-06-11 13:51:39,012 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 13:51:39,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:51:39,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 13:51:39,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 13:51:39,013 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:51:39,013 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1099 places, 3780 transitions, 118726 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:51:39,013 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:51:39,013 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:51:39,013 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:51:46,691 INFO L129 PetriNetUnfolder]: 3222/6478 cut-off events. [2021-06-11 13:51:46,691 INFO L130 PetriNetUnfolder]: For 521495/521509 co-relation queries the response was YES. [2021-06-11 13:51:46,827 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105638 conditions, 6478 events. 3222/6478 cut-off events. For 521495/521509 co-relation queries the response was YES. Maximal size of possible extension queue 839. Compared 55162 event pairs, 245 based on Foata normal form. 11/6487 useless extension candidates. Maximal degree in co-relation 105249. Up to 5171 conditions per place. [2021-06-11 13:51:46,867 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3007 selfloop transitions, 789 changer transitions 11/3815 dead transitions. [2021-06-11 13:51:46,868 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1127 places, 3815 transitions, 127692 flow [2021-06-11 13:51:46,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-11 13:51:46,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-06-11 13:51:46,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 888 transitions. [2021-06-11 13:51:46,869 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4374384236453202 [2021-06-11 13:51:46,869 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 888 transitions. [2021-06-11 13:51:46,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 888 transitions. [2021-06-11 13:51:46,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:51:46,869 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 888 transitions. [2021-06-11 13:51:46,870 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 30.620689655172413) internal successors, (888), 29 states have internal predecessors, (888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:51:46,871 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 70.0) internal successors, (2100), 30 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:51:46,871 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 70.0) internal successors, (2100), 30 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:51:46,871 INFO L185 Difference]: Start difference. First operand has 1099 places, 3780 transitions, 118726 flow. Second operand 29 states and 888 transitions. [2021-06-11 13:51:46,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1127 places, 3815 transitions, 127692 flow [2021-06-11 13:51:55,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1106 places, 3815 transitions, 126531 flow, removed 64 selfloop flow, removed 21 redundant places. [2021-06-11 13:51:55,616 INFO L241 Difference]: Finished difference. Result has 1114 places, 3794 transitions, 119573 flow [2021-06-11 13:51:55,617 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=117577, PETRI_DIFFERENCE_MINUEND_PLACES=1078, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3780, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=775, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3000, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=119573, PETRI_PLACES=1114, PETRI_TRANSITIONS=3794} [2021-06-11 13:51:55,617 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1075 predicate places. [2021-06-11 13:51:55,617 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:51:55,618 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1114 places, 3794 transitions, 119573 flow [2021-06-11 13:51:55,618 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1114 places, 3794 transitions, 119573 flow [2021-06-11 13:51:55,659 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1112 places, 3794 transitions, 119573 flow [2021-06-11 13:51:58,635 INFO L129 PetriNetUnfolder]: 3054/6262 cut-off events. [2021-06-11 13:51:58,636 INFO L130 PetriNetUnfolder]: For 451079/451288 co-relation queries the response was YES. [2021-06-11 13:51:58,789 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96947 conditions, 6262 events. 3054/6262 cut-off events. For 451079/451288 co-relation queries the response was YES. Maximal size of possible extension queue 852. Compared 55199 event pairs, 165 based on Foata normal form. 7/6225 useless extension candidates. Maximal degree in co-relation 96572. Up to 2050 conditions per place. [2021-06-11 13:51:58,887 INFO L151 LiptonReduction]: Number of co-enabled transitions 2810 [2021-06-11 13:52:00,439 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:52:00,440 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:52:00,440 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4823 [2021-06-11 13:52:00,440 INFO L480 AbstractCegarLoop]: Abstraction has has 1112 places, 3794 transitions, 119573 flow [2021-06-11 13:52:00,440 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:52:00,440 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:52:00,440 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] [2021-06-11 13:52:00,440 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-06-11 13:52:00,440 INFO L428 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:52:00,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:52:00,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1456721989, now seen corresponding path program 5 times [2021-06-11 13:52:00,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:52:00,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212905373] [2021-06-11 13:52:00,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:52:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:52:00,448 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:52:00,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:52:00,452 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:52:00,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:52:00,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:52:00,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:52:00,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:52:00,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:52:00,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:52:00,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:52:00,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:52:00,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:52:00,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:52:00,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:52:00,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:52:00,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:52:00,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:52:00,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:52:00,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:52:00,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:52:00,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:52:00,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:52:00,545 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:52:00,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:52:00,554 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:52:00,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:52:00,570 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 13:52:00,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:52:00,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:52:00,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212905373] [2021-06-11 13:52:00,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:52:00,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 13:52:00,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740042107] [2021-06-11 13:52:00,573 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:52:00,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:52:00,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:52:00,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:52:00,574 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:52:00,574 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1112 places, 3794 transitions, 119573 flow. Second operand has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:52:00,574 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:52:00,574 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:52:00,574 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:52:09,409 INFO L129 PetriNetUnfolder]: 3251/6559 cut-off events. [2021-06-11 13:52:09,409 INFO L130 PetriNetUnfolder]: For 527939/527953 co-relation queries the response was YES. [2021-06-11 13:52:09,550 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106992 conditions, 6559 events. 3251/6559 cut-off events. For 527939/527953 co-relation queries the response was YES. Maximal size of possible extension queue 851. Compared 56149 event pairs, 245 based on Foata normal form. 11/6568 useless extension candidates. Maximal degree in co-relation 106615. Up to 5247 conditions per place. [2021-06-11 13:52:09,592 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3075 selfloop transitions, 816 changer transitions 2/3901 dead transitions. [2021-06-11 13:52:09,592 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1148 places, 3901 transitions, 130791 flow [2021-06-11 13:52:09,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-11 13:52:09,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-06-11 13:52:09,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 1146 transitions. [2021-06-11 13:52:09,598 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44247104247104246 [2021-06-11 13:52:09,598 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 1146 transitions. [2021-06-11 13:52:09,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 1146 transitions. [2021-06-11 13:52:09,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:52:09,598 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 1146 transitions. [2021-06-11 13:52:09,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 30.972972972972972) internal successors, (1146), 37 states have internal predecessors, (1146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:52:09,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 70.0) internal successors, (2660), 38 states have internal predecessors, (2660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:52:09,600 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 70.0) internal successors, (2660), 38 states have internal predecessors, (2660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:52:09,600 INFO L185 Difference]: Start difference. First operand has 1112 places, 3794 transitions, 119573 flow. Second operand 37 states and 1146 transitions. [2021-06-11 13:52:09,600 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1148 places, 3901 transitions, 130791 flow [2021-06-11 13:52:18,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1128 places, 3901 transitions, 129636 flow, removed 147 selfloop flow, removed 20 redundant places. [2021-06-11 13:52:18,502 INFO L241 Difference]: Finished difference. Result has 1138 places, 3841 transitions, 121680 flow [2021-06-11 13:52:18,504 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=118428, PETRI_DIFFERENCE_MINUEND_PLACES=1092, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3794, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=768, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3008, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=121680, PETRI_PLACES=1138, PETRI_TRANSITIONS=3841} [2021-06-11 13:52:18,504 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1099 predicate places. [2021-06-11 13:52:18,504 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:52:18,504 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1138 places, 3841 transitions, 121680 flow [2021-06-11 13:52:18,504 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1138 places, 3841 transitions, 121680 flow [2021-06-11 13:52:18,549 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1137 places, 3841 transitions, 121680 flow [2021-06-11 13:52:21,526 INFO L129 PetriNetUnfolder]: 3111/6380 cut-off events. [2021-06-11 13:52:21,526 INFO L130 PetriNetUnfolder]: For 471163/471368 co-relation queries the response was YES. [2021-06-11 13:52:21,668 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99384 conditions, 6380 events. 3111/6380 cut-off events. For 471163/471368 co-relation queries the response was YES. Maximal size of possible extension queue 882. Compared 56684 event pairs, 158 based on Foata normal form. 7/6320 useless extension candidates. Maximal degree in co-relation 98973. Up to 2115 conditions per place. [2021-06-11 13:52:21,838 INFO L151 LiptonReduction]: Number of co-enabled transitions 2856 [2021-06-11 13:52:23,325 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:52:23,326 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:52:23,326 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4822 [2021-06-11 13:52:23,326 INFO L480 AbstractCegarLoop]: Abstraction has has 1137 places, 3841 transitions, 121680 flow [2021-06-11 13:52:23,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:52:23,326 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:52:23,326 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] [2021-06-11 13:52:23,326 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-06-11 13:52:23,326 INFO L428 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:52:23,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:52:23,326 INFO L82 PathProgramCache]: Analyzing trace with hash -721567606, now seen corresponding path program 7 times [2021-06-11 13:52:23,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:52:23,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463337579] [2021-06-11 13:52:23,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:52:23,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:52:23,335 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:52:23,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:52:23,341 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:52:23,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:52:23,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:52:23,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:52:23,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:52:23,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:52:23,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:52:23,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:52:23,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:52:23,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:52:23,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:52:23,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:52:23,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:52:23,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:52:23,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:52:23,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:52:23,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:52:23,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:52:23,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:52:23,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:52:23,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:52:23,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:52:23,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:52:23,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:52:23,446 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:52:23,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:52:23,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:52:23,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463337579] [2021-06-11 13:52:23,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:52:23,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 13:52:23,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844060179] [2021-06-11 13:52:23,448 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:52:23,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:52:23,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:52:23,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:52:23,449 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:52:23,449 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1137 places, 3841 transitions, 121680 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:52:23,449 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:52:23,449 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:52:23,449 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:52:31,357 INFO L129 PetriNetUnfolder]: 3265/6650 cut-off events. [2021-06-11 13:52:31,358 INFO L130 PetriNetUnfolder]: For 543805/543819 co-relation queries the response was YES. [2021-06-11 13:52:31,498 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108696 conditions, 6650 events. 3265/6650 cut-off events. For 543805/543819 co-relation queries the response was YES. Maximal size of possible extension queue 868. Compared 57586 event pairs, 244 based on Foata normal form. 12/6660 useless extension candidates. Maximal degree in co-relation 108276. Up to 5250 conditions per place. [2021-06-11 13:52:31,535 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3123 selfloop transitions, 796 changer transitions 15/3942 dead transitions. [2021-06-11 13:52:31,536 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1167 places, 3942 transitions, 132760 flow [2021-06-11 13:52:31,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-11 13:52:31,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-06-11 13:52:31,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 961 transitions. [2021-06-11 13:52:31,553 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44285714285714284 [2021-06-11 13:52:31,553 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 961 transitions. [2021-06-11 13:52:31,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 961 transitions. [2021-06-11 13:52:31,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:52:31,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 961 transitions. [2021-06-11 13:52:31,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 31.0) internal successors, (961), 31 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:52:31,554 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 70.0) internal successors, (2240), 32 states have internal predecessors, (2240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:52:31,555 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 70.0) internal successors, (2240), 32 states have internal predecessors, (2240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:52:31,555 INFO L185 Difference]: Start difference. First operand has 1137 places, 3841 transitions, 121680 flow. Second operand 31 states and 961 transitions. [2021-06-11 13:52:31,555 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1167 places, 3942 transitions, 132760 flow [2021-06-11 13:52:40,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1147 places, 3942 transitions, 130917 flow, removed 279 selfloop flow, removed 20 redundant places. [2021-06-11 13:52:40,563 INFO L241 Difference]: Finished difference. Result has 1158 places, 3880 transitions, 122796 flow [2021-06-11 13:52:40,565 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=119845, PETRI_DIFFERENCE_MINUEND_PLACES=1117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3841, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=755, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3051, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=122796, PETRI_PLACES=1158, PETRI_TRANSITIONS=3880} [2021-06-11 13:52:40,565 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1119 predicate places. [2021-06-11 13:52:40,565 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:52:40,565 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1158 places, 3880 transitions, 122796 flow [2021-06-11 13:52:40,565 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1158 places, 3880 transitions, 122796 flow [2021-06-11 13:52:40,604 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1154 places, 3880 transitions, 122796 flow [2021-06-11 13:52:43,596 INFO L129 PetriNetUnfolder]: 3102/6411 cut-off events. [2021-06-11 13:52:43,596 INFO L130 PetriNetUnfolder]: For 462567/462748 co-relation queries the response was YES. [2021-06-11 13:52:43,746 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99109 conditions, 6411 events. 3102/6411 cut-off events. For 462567/462748 co-relation queries the response was YES. Maximal size of possible extension queue 886. Compared 57166 event pairs, 154 based on Foata normal form. 7/6365 useless extension candidates. Maximal degree in co-relation 98711. Up to 2007 conditions per place. [2021-06-11 13:52:43,912 INFO L151 LiptonReduction]: Number of co-enabled transitions 2838 [2021-06-11 13:52:45,433 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:52:45,434 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:52:45,434 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4869 [2021-06-11 13:52:45,434 INFO L480 AbstractCegarLoop]: Abstraction has has 1154 places, 3880 transitions, 122796 flow [2021-06-11 13:52:45,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:52:45,434 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:52:45,434 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] [2021-06-11 13:52:45,434 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-06-11 13:52:45,434 INFO L428 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:52:45,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:52:45,435 INFO L82 PathProgramCache]: Analyzing trace with hash -886447047, now seen corresponding path program 6 times [2021-06-11 13:52:45,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:52:45,435 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808097092] [2021-06-11 13:52:45,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:52:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:52:45,442 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:52:45,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:52:45,446 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:52:45,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:52:45,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:52:45,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:52:45,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:52:45,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:52:45,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:52:45,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:52:45,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:52:45,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:52:45,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:52:45,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:52:45,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:52:45,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:52:45,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:52:45,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:52:45,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:52:45,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:52:45,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:52:45,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:52:45,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:52:45,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:52:45,558 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:52:45,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:52:45,575 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 13:52:45,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:52:45,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:52:45,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808097092] [2021-06-11 13:52:45,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:52:45,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 13:52:45,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813636973] [2021-06-11 13:52:45,578 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:52:45,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:52:45,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:52:45,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:52:45,578 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:52:45,578 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1154 places, 3880 transitions, 122796 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:52:45,578 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:52:45,578 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:52:45,579 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:52:53,961 INFO L129 PetriNetUnfolder]: 3259/6616 cut-off events. [2021-06-11 13:52:53,961 INFO L130 PetriNetUnfolder]: For 534776/534790 co-relation queries the response was YES. [2021-06-11 13:52:54,106 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108060 conditions, 6616 events. 3259/6616 cut-off events. For 534776/534790 co-relation queries the response was YES. Maximal size of possible extension queue 864. Compared 57136 event pairs, 241 based on Foata normal form. 11/6625 useless extension candidates. Maximal degree in co-relation 107658. Up to 5289 conditions per place. [2021-06-11 13:52:54,142 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3108 selfloop transitions, 817 changer transitions 2/3935 dead transitions. [2021-06-11 13:52:54,143 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1191 places, 3935 transitions, 132546 flow [2021-06-11 13:52:54,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-11 13:52:54,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-06-11 13:52:54,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 1173 transitions. [2021-06-11 13:52:54,144 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4409774436090226 [2021-06-11 13:52:54,144 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 1173 transitions. [2021-06-11 13:52:54,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 1173 transitions. [2021-06-11 13:52:54,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:52:54,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 1173 transitions. [2021-06-11 13:52:54,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 30.86842105263158) internal successors, (1173), 38 states have internal predecessors, (1173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:52:54,146 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 70.0) internal successors, (2730), 39 states have internal predecessors, (2730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:52:54,147 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 70.0) internal successors, (2730), 39 states have internal predecessors, (2730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:52:54,147 INFO L185 Difference]: Start difference. First operand has 1154 places, 3880 transitions, 122796 flow. Second operand 38 states and 1173 transitions. [2021-06-11 13:52:54,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1191 places, 3935 transitions, 132546 flow [2021-06-11 13:53:02,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1171 places, 3935 transitions, 131583 flow, removed 49 selfloop flow, removed 20 redundant places. [2021-06-11 13:53:02,742 INFO L241 Difference]: Finished difference. Result has 1173 places, 3879 transitions, 123465 flow [2021-06-11 13:53:02,744 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=121847, PETRI_DIFFERENCE_MINUEND_PLACES=1134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3880, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=817, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3063, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=123465, PETRI_PLACES=1173, PETRI_TRANSITIONS=3879} [2021-06-11 13:53:02,744 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1134 predicate places. [2021-06-11 13:53:02,745 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:53:02,745 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1173 places, 3879 transitions, 123465 flow [2021-06-11 13:53:02,745 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1173 places, 3879 transitions, 123465 flow [2021-06-11 13:53:02,786 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1172 places, 3879 transitions, 123465 flow [2021-06-11 13:53:05,724 INFO L129 PetriNetUnfolder]: 3105/6409 cut-off events. [2021-06-11 13:53:05,724 INFO L130 PetriNetUnfolder]: For 459061/459387 co-relation queries the response was YES. [2021-06-11 13:53:05,865 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99612 conditions, 6409 events. 3105/6409 cut-off events. For 459061/459387 co-relation queries the response was YES. Maximal size of possible extension queue 881. Compared 57187 event pairs, 150 based on Foata normal form. 6/6360 useless extension candidates. Maximal degree in co-relation 99194. Up to 2015 conditions per place. [2021-06-11 13:53:05,934 INFO L151 LiptonReduction]: Number of co-enabled transitions 2838 [2021-06-11 13:53:07,567 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:53:07,567 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:53:07,568 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4822 [2021-06-11 13:53:07,568 INFO L480 AbstractCegarLoop]: Abstraction has has 1172 places, 3879 transitions, 123465 flow [2021-06-11 13:53:07,568 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:53:07,568 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:53:07,568 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] [2021-06-11 13:53:07,568 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-06-11 13:53:07,568 INFO L428 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:53:07,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:53:07,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1737026257, now seen corresponding path program 7 times [2021-06-11 13:53:07,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:53:07,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482315173] [2021-06-11 13:53:07,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:53:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:53:07,581 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:53:07,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:53:07,584 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:53:07,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:53:07,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:53:07,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:53:07,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:53:07,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:53:07,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:53:07,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:53:07,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:53:07,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:53:07,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:53:07,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:53:07,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:53:07,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:53:07,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:53:07,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:53:07,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:53:07,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:53:07,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:53:07,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:53:07,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:53:07,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:53:07,690 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:53:07,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:53:07,706 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 13:53:07,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:53:07,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:53:07,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482315173] [2021-06-11 13:53:07,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:53:07,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 13:53:07,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131313947] [2021-06-11 13:53:07,709 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:53:07,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:53:07,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:53:07,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:53:07,710 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:53:07,710 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1172 places, 3879 transitions, 123465 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:53:07,710 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:53:07,710 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:53:07,710 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:53:15,778 INFO L129 PetriNetUnfolder]: 3263/6644 cut-off events. [2021-06-11 13:53:15,778 INFO L130 PetriNetUnfolder]: For 527436/527450 co-relation queries the response was YES. [2021-06-11 13:53:15,921 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108874 conditions, 6644 events. 3263/6644 cut-off events. For 527436/527450 co-relation queries the response was YES. Maximal size of possible extension queue 866. Compared 57514 event pairs, 243 based on Foata normal form. 11/6653 useless extension candidates. Maximal degree in co-relation 108447. Up to 5308 conditions per place. [2021-06-11 13:53:15,959 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3192 selfloop transitions, 739 changer transitions 2/3941 dead transitions. [2021-06-11 13:53:15,959 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1203 places, 3941 transitions, 133193 flow [2021-06-11 13:53:15,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-11 13:53:15,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-06-11 13:53:15,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 998 transitions. [2021-06-11 13:53:15,960 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4455357142857143 [2021-06-11 13:53:15,960 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 998 transitions. [2021-06-11 13:53:15,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 998 transitions. [2021-06-11 13:53:15,961 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:53:15,961 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 998 transitions. [2021-06-11 13:53:15,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 31.1875) internal successors, (998), 32 states have internal predecessors, (998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:53:15,962 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 70.0) internal successors, (2310), 33 states have internal predecessors, (2310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:53:15,963 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 70.0) internal successors, (2310), 33 states have internal predecessors, (2310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:53:15,963 INFO L185 Difference]: Start difference. First operand has 1172 places, 3879 transitions, 123465 flow. Second operand 32 states and 998 transitions. [2021-06-11 13:53:15,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1203 places, 3941 transitions, 133193 flow [2021-06-11 13:53:24,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1174 places, 3941 transitions, 132037 flow, removed 6 selfloop flow, removed 29 redundant places. [2021-06-11 13:53:24,557 INFO L241 Difference]: Finished difference. Result has 1179 places, 3887 transitions, 124079 flow [2021-06-11 13:53:24,559 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=122315, PETRI_DIFFERENCE_MINUEND_PLACES=1143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3879, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=730, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=124079, PETRI_PLACES=1179, PETRI_TRANSITIONS=3887} [2021-06-11 13:53:24,559 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1140 predicate places. [2021-06-11 13:53:24,559 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:53:24,559 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1179 places, 3887 transitions, 124079 flow [2021-06-11 13:53:24,559 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1179 places, 3887 transitions, 124079 flow [2021-06-11 13:53:24,599 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1178 places, 3887 transitions, 124079 flow [2021-06-11 13:53:27,700 INFO L129 PetriNetUnfolder]: 3111/6462 cut-off events. [2021-06-11 13:53:27,701 INFO L130 PetriNetUnfolder]: For 446655/446813 co-relation queries the response was YES. [2021-06-11 13:53:27,845 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99884 conditions, 6462 events. 3111/6462 cut-off events. For 446655/446813 co-relation queries the response was YES. Maximal size of possible extension queue 880. Compared 57934 event pairs, 158 based on Foata normal form. 4/6429 useless extension candidates. Maximal degree in co-relation 99463. Up to 2018 conditions per place. [2021-06-11 13:53:27,916 INFO L151 LiptonReduction]: Number of co-enabled transitions 2854 [2021-06-11 13:53:29,467 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:53:29,467 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:53:29,467 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4908 [2021-06-11 13:53:29,467 INFO L480 AbstractCegarLoop]: Abstraction has has 1178 places, 3887 transitions, 124079 flow [2021-06-11 13:53:29,467 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:53:29,467 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:53:29,468 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] [2021-06-11 13:53:29,468 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-06-11 13:53:29,468 INFO L428 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:53:29,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:53:29,468 INFO L82 PathProgramCache]: Analyzing trace with hash 81765573, now seen corresponding path program 8 times [2021-06-11 13:53:29,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:53:29,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945539462] [2021-06-11 13:53:29,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:53:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:53:29,476 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:53:29,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:53:29,479 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:53:29,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:53:29,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:53:29,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:53:29,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:53:29,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:53:29,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:53:29,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:53:29,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:53:29,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:53:29,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:53:29,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:53:29,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:53:29,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:53:29,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:53:29,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:53:29,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:53:29,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:53:29,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:53:29,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:53:29,591 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:53:29,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:53:29,608 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:53:29,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:53:29,626 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 13:53:29,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:53:29,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:53:29,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945539462] [2021-06-11 13:53:29,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:53:29,628 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 13:53:29,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818398117] [2021-06-11 13:53:29,628 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 13:53:29,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:53:29,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 13:53:29,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 13:53:29,629 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:53:29,629 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1178 places, 3887 transitions, 124079 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:53:29,629 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:53:29,629 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:53:29,629 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:53:37,744 INFO L129 PetriNetUnfolder]: 3341/6868 cut-off events. [2021-06-11 13:53:37,745 INFO L130 PetriNetUnfolder]: For 537532/537546 co-relation queries the response was YES. [2021-06-11 13:53:37,900 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111299 conditions, 6868 events. 3341/6868 cut-off events. For 537532/537546 co-relation queries the response was YES. Maximal size of possible extension queue 900. Compared 60525 event pairs, 239 based on Foata normal form. 11/6877 useless extension candidates. Maximal degree in co-relation 110869. Up to 5363 conditions per place. [2021-06-11 13:53:37,940 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3332 selfloop transitions, 727 changer transitions 3/4070 dead transitions. [2021-06-11 13:53:37,940 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1211 places, 4070 transitions, 136732 flow [2021-06-11 13:53:37,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-11 13:53:37,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2021-06-11 13:53:37,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 1038 transitions. [2021-06-11 13:53:37,942 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4361344537815126 [2021-06-11 13:53:37,942 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 1038 transitions. [2021-06-11 13:53:37,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 1038 transitions. [2021-06-11 13:53:37,942 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:53:37,942 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 1038 transitions. [2021-06-11 13:53:37,943 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 30.529411764705884) internal successors, (1038), 34 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:53:37,944 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 70.0) internal successors, (2450), 35 states have internal predecessors, (2450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:53:37,944 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 70.0) internal successors, (2450), 35 states have internal predecessors, (2450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:53:37,944 INFO L185 Difference]: Start difference. First operand has 1178 places, 3887 transitions, 124079 flow. Second operand 34 states and 1038 transitions. [2021-06-11 13:53:37,944 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1211 places, 4070 transitions, 136732 flow [2021-06-11 13:53:47,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1192 places, 4070 transitions, 135706 flow, removed 9 selfloop flow, removed 19 redundant places. [2021-06-11 13:53:47,162 INFO L241 Difference]: Finished difference. Result has 1205 places, 4007 transitions, 128150 flow [2021-06-11 13:53:47,163 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=123063, PETRI_DIFFERENCE_MINUEND_PLACES=1159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3887, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=612, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=128150, PETRI_PLACES=1205, PETRI_TRANSITIONS=4007} [2021-06-11 13:53:47,163 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1166 predicate places. [2021-06-11 13:53:47,164 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:53:47,164 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1205 places, 4007 transitions, 128150 flow [2021-06-11 13:53:47,164 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1205 places, 4007 transitions, 128150 flow [2021-06-11 13:53:47,207 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1204 places, 4007 transitions, 128150 flow [2021-06-11 13:53:50,482 INFO L129 PetriNetUnfolder]: 3173/6652 cut-off events. [2021-06-11 13:53:50,482 INFO L130 PetriNetUnfolder]: For 456039/456352 co-relation queries the response was YES. [2021-06-11 13:53:50,633 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102528 conditions, 6652 events. 3173/6652 cut-off events. For 456039/456352 co-relation queries the response was YES. Maximal size of possible extension queue 915. Compared 60483 event pairs, 165 based on Foata normal form. 9/6612 useless extension candidates. Maximal degree in co-relation 102096. Up to 2111 conditions per place. [2021-06-11 13:53:50,706 INFO L151 LiptonReduction]: Number of co-enabled transitions 3088 [2021-06-11 13:53:52,404 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:53:52,404 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:53:52,405 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5242 [2021-06-11 13:53:52,405 INFO L480 AbstractCegarLoop]: Abstraction has has 1204 places, 4007 transitions, 128150 flow [2021-06-11 13:53:52,405 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:53:52,405 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:53:52,405 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] [2021-06-11 13:53:52,405 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-06-11 13:53:52,405 INFO L428 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:53:52,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:53:52,405 INFO L82 PathProgramCache]: Analyzing trace with hash -390914007, now seen corresponding path program 9 times [2021-06-11 13:53:52,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:53:52,405 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168795178] [2021-06-11 13:53:52,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:53:52,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:53:52,414 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:53:52,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:53:52,418 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:53:52,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:53:52,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:53:52,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:53:52,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:53:52,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:53:52,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:53:52,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:53:52,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:53:52,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:53:52,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:53:52,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:53:52,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:53:52,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:53:52,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:53:52,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:53:52,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:53:52,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:53:52,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:53:52,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:53:52,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:53:52,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:53:52,520 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:53:52,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:53:52,536 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 13:53:52,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:53:52,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:53:52,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168795178] [2021-06-11 13:53:52,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:53:52,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 13:53:52,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48854809] [2021-06-11 13:53:52,539 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:53:52,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:53:52,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:53:52,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:53:52,539 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:53:52,539 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1204 places, 4007 transitions, 128150 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:53:52,539 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:53:52,540 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:53:52,540 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:54:00,899 INFO L129 PetriNetUnfolder]: 3339/6850 cut-off events. [2021-06-11 13:54:00,899 INFO L130 PetriNetUnfolder]: For 545627/545641 co-relation queries the response was YES. [2021-06-11 13:54:01,058 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112128 conditions, 6850 events. 3339/6850 cut-off events. For 545627/545641 co-relation queries the response was YES. Maximal size of possible extension queue 897. Compared 60106 event pairs, 247 based on Foata normal form. 11/6859 useless extension candidates. Maximal degree in co-relation 111687. Up to 5529 conditions per place. [2021-06-11 13:54:01,094 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3234 selfloop transitions, 793 changer transitions 2/4037 dead transitions. [2021-06-11 13:54:01,095 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1230 places, 4037 transitions, 137575 flow [2021-06-11 13:54:01,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-11 13:54:01,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-06-11 13:54:01,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 849 transitions. [2021-06-11 13:54:01,096 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4492063492063492 [2021-06-11 13:54:01,096 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 849 transitions. [2021-06-11 13:54:01,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 849 transitions. [2021-06-11 13:54:01,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:54:01,096 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 849 transitions. [2021-06-11 13:54:01,097 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 31.444444444444443) internal successors, (849), 27 states have internal predecessors, (849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:54:01,098 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 70.0) internal successors, (1960), 28 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) [2021-06-11 13:54:01,098 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 70.0) internal successors, (1960), 28 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) [2021-06-11 13:54:01,098 INFO L185 Difference]: Start difference. First operand has 1204 places, 4007 transitions, 128150 flow. Second operand 27 states and 849 transitions. [2021-06-11 13:54:01,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1230 places, 4037 transitions, 137575 flow [2021-06-11 13:54:10,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1212 places, 4037 transitions, 137161 flow, removed 153 selfloop flow, removed 18 redundant places. [2021-06-11 13:54:10,805 INFO L241 Difference]: Finished difference. Result has 1214 places, 4006 transitions, 129312 flow [2021-06-11 13:54:10,806 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=127740, PETRI_DIFFERENCE_MINUEND_PLACES=1186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4007, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=793, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=129312, PETRI_PLACES=1214, PETRI_TRANSITIONS=4006} [2021-06-11 13:54:10,807 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1175 predicate places. [2021-06-11 13:54:10,807 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:54:10,807 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1214 places, 4006 transitions, 129312 flow [2021-06-11 13:54:10,807 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1214 places, 4006 transitions, 129312 flow [2021-06-11 13:54:10,848 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1213 places, 4006 transitions, 129312 flow [2021-06-11 13:54:14,127 INFO L129 PetriNetUnfolder]: 3192/6667 cut-off events. [2021-06-11 13:54:14,128 INFO L130 PetriNetUnfolder]: For 483648/483851 co-relation queries the response was YES. [2021-06-11 13:54:14,282 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103758 conditions, 6667 events. 3192/6667 cut-off events. For 483648/483851 co-relation queries the response was YES. Maximal size of possible extension queue 927. Compared 60725 event pairs, 159 based on Foata normal form. 7/6627 useless extension candidates. Maximal degree in co-relation 103325. Up to 2097 conditions per place. [2021-06-11 13:54:14,355 INFO L151 LiptonReduction]: Number of co-enabled transitions 3088 [2021-06-11 13:54:16,075 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:54:16,075 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:54:16,075 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5268 [2021-06-11 13:54:16,075 INFO L480 AbstractCegarLoop]: Abstraction has has 1213 places, 4006 transitions, 129312 flow [2021-06-11 13:54:16,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:54:16,075 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:54:16,075 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] [2021-06-11 13:54:16,075 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-06-11 13:54:16,076 INFO L428 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:54:16,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:54:16,076 INFO L82 PathProgramCache]: Analyzing trace with hash 921599325, now seen corresponding path program 10 times [2021-06-11 13:54:16,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:54:16,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895157362] [2021-06-11 13:54:16,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:54:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:54:16,083 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:54:16,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:54:16,087 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:54:16,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:54:16,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:54:16,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:54:16,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:54:16,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:54:16,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:54:16,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:54:16,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:54:16,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:54:16,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:54:16,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:54:16,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:54:16,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:54:16,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:54:16,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:54:16,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:54:16,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:54:16,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:54:16,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:54:16,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:54:16,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:54:16,253 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:54:16,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:54:16,268 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 13:54:16,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:54:16,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:54:16,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895157362] [2021-06-11 13:54:16,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:54:16,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 13:54:16,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169653770] [2021-06-11 13:54:16,271 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:54:16,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:54:16,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:54:16,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:54:16,271 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:54:16,271 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1213 places, 4006 transitions, 129312 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:54:16,271 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:54:16,271 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:54:16,272 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:54:25,149 INFO L129 PetriNetUnfolder]: 3377/6984 cut-off events. [2021-06-11 13:54:25,149 INFO L130 PetriNetUnfolder]: For 548690/548704 co-relation queries the response was YES. [2021-06-11 13:54:25,308 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114043 conditions, 6984 events. 3377/6984 cut-off events. For 548690/548704 co-relation queries the response was YES. Maximal size of possible extension queue 922. Compared 62127 event pairs, 252 based on Foata normal form. 11/6993 useless extension candidates. Maximal degree in co-relation 113601. Up to 5507 conditions per place. [2021-06-11 13:54:25,347 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3257 selfloop transitions, 914 changer transitions 4/4183 dead transitions. [2021-06-11 13:54:25,348 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1244 places, 4183 transitions, 143097 flow [2021-06-11 13:54:25,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-11 13:54:25,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-06-11 13:54:25,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 992 transitions. [2021-06-11 13:54:25,349 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44285714285714284 [2021-06-11 13:54:25,349 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 992 transitions. [2021-06-11 13:54:25,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 992 transitions. [2021-06-11 13:54:25,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:54:25,349 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 992 transitions. [2021-06-11 13:54:25,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 31.0) internal successors, (992), 32 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:54:25,351 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 70.0) internal successors, (2310), 33 states have internal predecessors, (2310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:54:25,351 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 70.0) internal successors, (2310), 33 states have internal predecessors, (2310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:54:25,351 INFO L185 Difference]: Start difference. First operand has 1213 places, 4006 transitions, 129312 flow. Second operand 32 states and 992 transitions. [2021-06-11 13:54:25,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1244 places, 4183 transitions, 143097 flow [2021-06-11 13:54:35,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1220 places, 4183 transitions, 141117 flow, removed 19 selfloop flow, removed 24 redundant places. [2021-06-11 13:54:35,175 INFO L241 Difference]: Finished difference. Result has 1233 places, 4132 transitions, 133503 flow [2021-06-11 13:54:35,176 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=127502, PETRI_DIFFERENCE_MINUEND_PLACES=1189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4006, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=791, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=133503, PETRI_PLACES=1233, PETRI_TRANSITIONS=4132} [2021-06-11 13:54:35,177 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1194 predicate places. [2021-06-11 13:54:35,177 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:54:35,177 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1233 places, 4132 transitions, 133503 flow [2021-06-11 13:54:35,177 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1233 places, 4132 transitions, 133503 flow [2021-06-11 13:54:35,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1232 places, 4132 transitions, 133503 flow [2021-06-11 13:54:38,536 INFO L129 PetriNetUnfolder]: 3214/6773 cut-off events. [2021-06-11 13:54:38,537 INFO L130 PetriNetUnfolder]: For 489591/489761 co-relation queries the response was YES. [2021-06-11 13:54:38,816 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105273 conditions, 6773 events. 3214/6773 cut-off events. For 489591/489761 co-relation queries the response was YES. Maximal size of possible extension queue 933. Compared 62195 event pairs, 140 based on Foata normal form. 9/6740 useless extension candidates. Maximal degree in co-relation 104829. Up to 2134 conditions per place. [2021-06-11 13:54:38,890 INFO L151 LiptonReduction]: Number of co-enabled transitions 3246 [2021-06-11 13:54:40,570 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:54:40,570 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:54:40,570 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5393 [2021-06-11 13:54:40,570 INFO L480 AbstractCegarLoop]: Abstraction has has 1232 places, 4132 transitions, 133503 flow [2021-06-11 13:54:40,570 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:54:40,570 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:54:40,570 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] [2021-06-11 13:54:40,571 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-06-11 13:54:40,571 INFO L428 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:54:40,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:54:40,571 INFO L82 PathProgramCache]: Analyzing trace with hash 2143858109, now seen corresponding path program 11 times [2021-06-11 13:54:40,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:54:40,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043057834] [2021-06-11 13:54:40,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:54:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:54:40,578 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:54:40,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:54:40,582 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:54:40,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:54:40,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:54:40,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:54:40,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:54:40,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:54:40,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:54:40,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:54:40,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:54:40,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:54:40,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:54:40,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:54:40,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:54:40,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:54:40,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:54:40,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:54:40,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:54:40,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:54:40,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:54:40,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:54:40,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:54:40,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:54:40,686 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:54:40,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:54:40,702 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 13:54:40,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:54:40,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:54:40,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043057834] [2021-06-11 13:54:40,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:54:40,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 13:54:40,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062490396] [2021-06-11 13:54:40,705 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:54:40,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:54:40,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:54:40,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:54:40,705 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:54:40,706 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1232 places, 4132 transitions, 133503 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:54:40,706 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:54:40,706 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:54:40,706 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:54:49,433 INFO L129 PetriNetUnfolder]: 3376/6965 cut-off events. [2021-06-11 13:54:49,433 INFO L130 PetriNetUnfolder]: For 552240/552254 co-relation queries the response was YES. [2021-06-11 13:54:49,614 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114557 conditions, 6965 events. 3376/6965 cut-off events. For 552240/552254 co-relation queries the response was YES. Maximal size of possible extension queue 920. Compared 61727 event pairs, 243 based on Foata normal form. 11/6974 useless extension candidates. Maximal degree in co-relation 114104. Up to 5600 conditions per place. [2021-06-11 13:54:49,655 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3432 selfloop transitions, 718 changer transitions 2/4160 dead transitions. [2021-06-11 13:54:49,655 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1255 places, 4160 transitions, 142890 flow [2021-06-11 13:54:49,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-11 13:54:49,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-06-11 13:54:49,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 762 transitions. [2021-06-11 13:54:49,657 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45357142857142857 [2021-06-11 13:54:49,657 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 762 transitions. [2021-06-11 13:54:49,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 762 transitions. [2021-06-11 13:54:49,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:54:49,657 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 762 transitions. [2021-06-11 13:54:49,657 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 31.75) internal successors, (762), 24 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:54:49,658 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 70.0) internal successors, (1750), 25 states have internal predecessors, (1750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:54:49,658 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 70.0) internal successors, (1750), 25 states have internal predecessors, (1750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:54:49,658 INFO L185 Difference]: Start difference. First operand has 1232 places, 4132 transitions, 133503 flow. Second operand 24 states and 762 transitions. [2021-06-11 13:54:49,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1255 places, 4160 transitions, 142890 flow [2021-06-11 13:55:00,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1244 places, 4160 transitions, 142607 flow, removed 116 selfloop flow, removed 11 redundant places. [2021-06-11 13:55:00,164 INFO L241 Difference]: Finished difference. Result has 1246 places, 4131 transitions, 134640 flow [2021-06-11 13:55:00,165 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=133224, PETRI_DIFFERENCE_MINUEND_PLACES=1221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=718, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=134640, PETRI_PLACES=1246, PETRI_TRANSITIONS=4131} [2021-06-11 13:55:00,165 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1207 predicate places. [2021-06-11 13:55:00,165 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:55:00,165 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1246 places, 4131 transitions, 134640 flow [2021-06-11 13:55:00,165 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1246 places, 4131 transitions, 134640 flow [2021-06-11 13:55:00,209 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1245 places, 4131 transitions, 134640 flow [2021-06-11 13:55:03,714 INFO L129 PetriNetUnfolder]: 3230/6804 cut-off events. [2021-06-11 13:55:03,714 INFO L130 PetriNetUnfolder]: For 490906/491094 co-relation queries the response was YES. [2021-06-11 13:55:03,879 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106076 conditions, 6804 events. 3230/6804 cut-off events. For 490906/491094 co-relation queries the response was YES. Maximal size of possible extension queue 948. Compared 62591 event pairs, 168 based on Foata normal form. 10/6761 useless extension candidates. Maximal degree in co-relation 105631. Up to 2145 conditions per place. [2021-06-11 13:55:03,958 INFO L151 LiptonReduction]: Number of co-enabled transitions 3246 [2021-06-11 13:55:05,802 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:55:05,802 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:55:05,802 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5637 [2021-06-11 13:55:05,802 INFO L480 AbstractCegarLoop]: Abstraction has has 1245 places, 4131 transitions, 134640 flow [2021-06-11 13:55:05,802 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:55:05,802 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:55:05,803 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] [2021-06-11 13:55:05,803 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-06-11 13:55:05,803 INFO L428 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:55:05,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:55:05,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1862786382, now seen corresponding path program 8 times [2021-06-11 13:55:05,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:55:05,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016478593] [2021-06-11 13:55:05,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:55:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:55:05,813 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:55:05,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:55:05,817 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:55:05,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:55:05,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:55:05,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:55:05,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:55:05,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:55:05,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:55:05,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:55:05,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:55:05,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:55:05,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:55:05,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:55:05,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:55:05,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:55:05,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:55:05,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:55:05,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:55:05,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:55:05,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:55:05,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:55:05,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:55:05,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:55:05,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:55:05,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:55:05,933 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:55:05,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:55:05,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:55:05,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016478593] [2021-06-11 13:55:05,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:55:05,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 13:55:05,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118290623] [2021-06-11 13:55:05,936 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:55:05,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:55:05,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:55:05,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:55:05,936 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:55:05,937 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1245 places, 4131 transitions, 134640 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:55:05,937 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:55:05,937 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:55:05,937 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:55:15,188 INFO L129 PetriNetUnfolder]: 3375/6968 cut-off events. [2021-06-11 13:55:15,188 INFO L130 PetriNetUnfolder]: For 556633/556647 co-relation queries the response was YES. [2021-06-11 13:55:15,376 INFO L84 FinitePrefix]: Finished finitePrefix Result has 115082 conditions, 6968 events. 3375/6968 cut-off events. For 556633/556647 co-relation queries the response was YES. Maximal size of possible extension queue 920. Compared 61826 event pairs, 252 based on Foata normal form. 11/6977 useless extension candidates. Maximal degree in co-relation 114628. Up to 5679 conditions per place. [2021-06-11 13:55:15,427 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3512 selfloop transitions, 640 changer transitions 2/4162 dead transitions. [2021-06-11 13:55:15,427 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1271 places, 4162 transitions, 144294 flow [2021-06-11 13:55:15,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-11 13:55:15,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-06-11 13:55:15,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 835 transitions. [2021-06-11 13:55:15,428 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4417989417989418 [2021-06-11 13:55:15,428 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 835 transitions. [2021-06-11 13:55:15,429 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 835 transitions. [2021-06-11 13:55:15,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:55:15,429 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 835 transitions. [2021-06-11 13:55:15,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 30.925925925925927) internal successors, (835), 27 states have internal predecessors, (835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:55:15,430 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 70.0) internal successors, (1960), 28 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) [2021-06-11 13:55:15,430 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 70.0) internal successors, (1960), 28 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) [2021-06-11 13:55:15,430 INFO L185 Difference]: Start difference. First operand has 1245 places, 4131 transitions, 134640 flow. Second operand 27 states and 835 transitions. [2021-06-11 13:55:15,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1271 places, 4162 transitions, 144294 flow [2021-06-11 13:55:25,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1251 places, 4162 transitions, 142882 flow, removed 11 selfloop flow, removed 20 redundant places. [2021-06-11 13:55:26,030 INFO L241 Difference]: Finished difference. Result has 1253 places, 4130 transitions, 134496 flow [2021-06-11 13:55:26,031 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=133234, PETRI_DIFFERENCE_MINUEND_PLACES=1225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=640, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3491, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=134496, PETRI_PLACES=1253, PETRI_TRANSITIONS=4130} [2021-06-11 13:55:26,031 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1214 predicate places. [2021-06-11 13:55:26,031 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:55:26,031 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1253 places, 4130 transitions, 134496 flow [2021-06-11 13:55:26,031 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1253 places, 4130 transitions, 134496 flow [2021-06-11 13:55:26,075 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1252 places, 4130 transitions, 134496 flow [2021-06-11 13:55:29,619 INFO L129 PetriNetUnfolder]: 3218/6786 cut-off events. [2021-06-11 13:55:29,619 INFO L130 PetriNetUnfolder]: For 494318/494497 co-relation queries the response was YES. [2021-06-11 13:55:29,901 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105950 conditions, 6786 events. 3218/6786 cut-off events. For 494318/494497 co-relation queries the response was YES. Maximal size of possible extension queue 943. Compared 62341 event pairs, 164 based on Foata normal form. 9/6745 useless extension candidates. Maximal degree in co-relation 105505. Up to 2142 conditions per place. [2021-06-11 13:55:29,980 INFO L151 LiptonReduction]: Number of co-enabled transitions 3246 [2021-06-11 13:55:31,709 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:55:31,710 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:55:31,710 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5679 [2021-06-11 13:55:31,710 INFO L480 AbstractCegarLoop]: Abstraction has has 1252 places, 4130 transitions, 134496 flow [2021-06-11 13:55:31,710 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:55:31,710 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:55:31,710 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] [2021-06-11 13:55:31,710 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-06-11 13:55:31,710 INFO L428 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:55:31,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:55:31,711 INFO L82 PathProgramCache]: Analyzing trace with hash -2017206295, now seen corresponding path program 12 times [2021-06-11 13:55:31,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:55:31,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225757745] [2021-06-11 13:55:31,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:55:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:55:31,718 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:55:31,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:55:31,721 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:55:31,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:55:31,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:55:31,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:55:31,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:55:31,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:55:31,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:55:31,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:55:31,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:55:31,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:55:31,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:55:31,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:55:31,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:55:31,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:55:31,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:55:31,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:55:31,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:55:31,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:55:31,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:55:31,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:55:31,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:55:31,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:55:31,836 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:55:31,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:55:31,852 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 13:55:31,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:55:31,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:55:31,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225757745] [2021-06-11 13:55:31,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:55:31,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 13:55:31,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831047462] [2021-06-11 13:55:31,856 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 13:55:31,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:55:31,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 13:55:31,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 13:55:31,857 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:55:31,857 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1252 places, 4130 transitions, 134496 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:55:31,857 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:55:31,857 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:55:31,857 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:55:41,513 INFO L129 PetriNetUnfolder]: 3374/6975 cut-off events. [2021-06-11 13:55:41,513 INFO L130 PetriNetUnfolder]: For 555121/555135 co-relation queries the response was YES. [2021-06-11 13:55:41,676 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114960 conditions, 6975 events. 3374/6975 cut-off events. For 555121/555135 co-relation queries the response was YES. Maximal size of possible extension queue 919. Compared 61816 event pairs, 244 based on Foata normal form. 11/6984 useless extension candidates. Maximal degree in co-relation 114506. Up to 5203 conditions per place. [2021-06-11 13:55:41,715 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3080 selfloop transitions, 1094 changer transitions 2/4184 dead transitions. [2021-06-11 13:55:41,715 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1288 places, 4184 transitions, 144640 flow [2021-06-11 13:55:41,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-11 13:55:41,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-06-11 13:55:41,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 1140 transitions. [2021-06-11 13:55:41,717 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44015444015444016 [2021-06-11 13:55:41,717 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 1140 transitions. [2021-06-11 13:55:41,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 1140 transitions. [2021-06-11 13:55:41,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:55:41,717 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 1140 transitions. [2021-06-11 13:55:41,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 30.81081081081081) internal successors, (1140), 37 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:55:41,719 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 70.0) internal successors, (2660), 38 states have internal predecessors, (2660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:55:41,719 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 70.0) internal successors, (2660), 38 states have internal predecessors, (2660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:55:41,719 INFO L185 Difference]: Start difference. First operand has 1252 places, 4130 transitions, 134496 flow. Second operand 37 states and 1140 transitions. [2021-06-11 13:55:41,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1288 places, 4184 transitions, 144640 flow [2021-06-11 13:55:52,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1273 places, 4184 transitions, 143704 flow, removed 6 selfloop flow, removed 15 redundant places. [2021-06-11 13:55:52,569 INFO L241 Difference]: Finished difference. Result has 1276 places, 4130 transitions, 135765 flow [2021-06-11 13:55:52,570 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=133564, PETRI_DIFFERENCE_MINUEND_PLACES=1237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1093, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3036, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=135765, PETRI_PLACES=1276, PETRI_TRANSITIONS=4130} [2021-06-11 13:55:52,571 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1237 predicate places. [2021-06-11 13:55:52,571 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:55:52,571 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1276 places, 4130 transitions, 135765 flow [2021-06-11 13:55:52,571 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1276 places, 4130 transitions, 135765 flow [2021-06-11 13:55:52,615 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1275 places, 4130 transitions, 135765 flow [2021-06-11 13:55:55,913 INFO L129 PetriNetUnfolder]: 3236/6790 cut-off events. [2021-06-11 13:55:55,913 INFO L130 PetriNetUnfolder]: For 499698/499885 co-relation queries the response was YES. [2021-06-11 13:55:56,079 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107171 conditions, 6790 events. 3236/6790 cut-off events. For 499698/499885 co-relation queries the response was YES. Maximal size of possible extension queue 944. Compared 62031 event pairs, 164 based on Foata normal form. 7/6741 useless extension candidates. Maximal degree in co-relation 106725. Up to 2148 conditions per place. [2021-06-11 13:55:56,282 INFO L151 LiptonReduction]: Number of co-enabled transitions 3246 [2021-06-11 13:55:58,061 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:55:58,061 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:55:58,061 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5490 [2021-06-11 13:55:58,061 INFO L480 AbstractCegarLoop]: Abstraction has has 1275 places, 4130 transitions, 135765 flow [2021-06-11 13:55:58,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:55:58,061 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:55:58,061 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] [2021-06-11 13:55:58,062 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-06-11 13:55:58,062 INFO L428 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:55:58,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:55:58,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1760212726, now seen corresponding path program 9 times [2021-06-11 13:55:58,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:55:58,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689747624] [2021-06-11 13:55:58,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:55:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:55:58,072 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:55:58,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:55:58,076 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:55:58,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:55:58,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:55:58,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:55:58,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:55:58,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:55:58,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:55:58,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:55:58,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:55:58,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:55:58,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:55:58,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:55:58,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:55:58,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:55:58,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:55:58,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:55:58,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:55:58,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:55:58,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:55:58,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:55:58,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:55:58,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:55:58,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:55:58,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:55:58,210 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:55:58,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:55:58,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:55:58,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689747624] [2021-06-11 13:55:58,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:55:58,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 13:55:58,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92528285] [2021-06-11 13:55:58,212 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 13:55:58,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:55:58,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 13:55:58,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 13:55:58,213 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:55:58,213 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1275 places, 4130 transitions, 135765 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:55:58,213 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:55:58,213 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:55:58,213 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:56:07,445 INFO L129 PetriNetUnfolder]: 3373/7008 cut-off events. [2021-06-11 13:56:07,446 INFO L130 PetriNetUnfolder]: For 555842/555849 co-relation queries the response was YES. [2021-06-11 13:56:07,616 INFO L84 FinitePrefix]: Finished finitePrefix Result has 115881 conditions, 7008 events. 3373/7008 cut-off events. For 555842/555849 co-relation queries the response was YES. Maximal size of possible extension queue 925. Compared 62571 event pairs, 247 based on Foata normal form. 7/7013 useless extension candidates. Maximal degree in co-relation 115426. Up to 5813 conditions per place. [2021-06-11 13:56:07,756 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3673 selfloop transitions, 486 changer transitions 11/4178 dead transitions. [2021-06-11 13:56:07,756 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1308 places, 4178 transitions, 145528 flow [2021-06-11 13:56:07,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-11 13:56:07,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2021-06-11 13:56:07,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 1030 transitions. [2021-06-11 13:56:07,757 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4327731092436975 [2021-06-11 13:56:07,757 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 1030 transitions. [2021-06-11 13:56:07,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 1030 transitions. [2021-06-11 13:56:07,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:56:07,758 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 1030 transitions. [2021-06-11 13:56:07,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 30.294117647058822) internal successors, (1030), 34 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:56:07,759 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 70.0) internal successors, (2450), 35 states have internal predecessors, (2450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:56:07,759 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 70.0) internal successors, (2450), 35 states have internal predecessors, (2450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:56:07,759 INFO L185 Difference]: Start difference. First operand has 1275 places, 4130 transitions, 135765 flow. Second operand 34 states and 1030 transitions. [2021-06-11 13:56:07,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1308 places, 4178 transitions, 145528 flow [2021-06-11 13:56:18,123 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1275 places, 4178 transitions, 143511 flow, removed 8 selfloop flow, removed 33 redundant places. [2021-06-11 13:56:18,210 INFO L241 Difference]: Finished difference. Result has 1283 places, 4138 transitions, 134933 flow [2021-06-11 13:56:18,211 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=133758, PETRI_DIFFERENCE_MINUEND_PLACES=1242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=471, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3644, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=134933, PETRI_PLACES=1283, PETRI_TRANSITIONS=4138} [2021-06-11 13:56:18,211 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1244 predicate places. [2021-06-11 13:56:18,211 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:56:18,211 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1283 places, 4138 transitions, 134933 flow [2021-06-11 13:56:18,211 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1283 places, 4138 transitions, 134933 flow [2021-06-11 13:56:18,256 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1281 places, 4138 transitions, 134933 flow [2021-06-11 13:56:21,789 INFO L129 PetriNetUnfolder]: 3210/6799 cut-off events. [2021-06-11 13:56:21,789 INFO L130 PetriNetUnfolder]: For 498154/498496 co-relation queries the response was YES. [2021-06-11 13:56:21,954 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106053 conditions, 6799 events. 3210/6799 cut-off events. For 498154/498496 co-relation queries the response was YES. Maximal size of possible extension queue 946. Compared 62588 event pairs, 152 based on Foata normal form. 1/6748 useless extension candidates. Maximal degree in co-relation 105626. Up to 2139 conditions per place. [2021-06-11 13:56:22,031 INFO L151 LiptonReduction]: Number of co-enabled transitions 3248 [2021-06-11 13:56:23,896 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:56:23,896 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:56:23,896 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5685 [2021-06-11 13:56:23,896 INFO L480 AbstractCegarLoop]: Abstraction has has 1281 places, 4138 transitions, 134933 flow [2021-06-11 13:56:23,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:56:23,896 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:56:23,896 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] [2021-06-11 13:56:23,896 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-06-11 13:56:23,897 INFO L428 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:56:23,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:56:23,897 INFO L82 PathProgramCache]: Analyzing trace with hash -1939216317, now seen corresponding path program 13 times [2021-06-11 13:56:23,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:56:23,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183689745] [2021-06-11 13:56:23,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:56:23,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:56:23,904 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:56:23,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:56:23,908 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:56:23,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:56:23,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:56:23,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:56:23,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:56:23,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:56:23,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:56:23,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:56:23,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:56:23,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:56:23,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:56:23,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:56:23,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:56:23,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:56:23,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:56:23,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:56:23,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:56:23,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:56:23,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:56:23,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:56:24,000 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:56:24,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:56:24,081 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:56:24,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:56:24,097 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 13:56:24,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:56:24,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:56:24,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183689745] [2021-06-11 13:56:24,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:56:24,099 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 13:56:24,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471362592] [2021-06-11 13:56:24,100 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:56:24,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:56:24,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:56:24,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:56:24,100 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:56:24,100 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1281 places, 4138 transitions, 134933 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:56:24,100 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:56:24,100 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:56:24,100 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:56:33,697 INFO L129 PetriNetUnfolder]: 3392/7072 cut-off events. [2021-06-11 13:56:33,698 INFO L130 PetriNetUnfolder]: For 559053/559067 co-relation queries the response was YES. [2021-06-11 13:56:33,866 INFO L84 FinitePrefix]: Finished finitePrefix Result has 115943 conditions, 7072 events. 3392/7072 cut-off events. For 559053/559067 co-relation queries the response was YES. Maximal size of possible extension queue 938. Compared 63231 event pairs, 246 based on Foata normal form. 12/7082 useless extension candidates. Maximal degree in co-relation 115513. Up to 5313 conditions per place. [2021-06-11 13:56:33,907 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3161 selfloop transitions, 1083 changer transitions 5/4257 dead transitions. [2021-06-11 13:56:33,907 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1321 places, 4257 transitions, 147087 flow [2021-06-11 13:56:33,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-11 13:56:33,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2021-06-11 13:56:33,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 1262 transitions. [2021-06-11 13:56:33,908 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4397212543554007 [2021-06-11 13:56:33,908 INFO L72 ComplementDD]: Start complementDD. Operand 41 states and 1262 transitions. [2021-06-11 13:56:33,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 1262 transitions. [2021-06-11 13:56:33,909 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:56:33,909 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 41 states and 1262 transitions. [2021-06-11 13:56:33,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 42 states, 41 states have (on average 30.78048780487805) internal successors, (1262), 41 states have internal predecessors, (1262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:56:33,911 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 42 states, 42 states have (on average 70.0) internal successors, (2940), 42 states have internal predecessors, (2940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:56:33,911 INFO L81 ComplementDD]: Finished complementDD. Result has 42 states, 42 states have (on average 70.0) internal successors, (2940), 42 states have internal predecessors, (2940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:56:33,911 INFO L185 Difference]: Start difference. First operand has 1281 places, 4138 transitions, 134933 flow. Second operand 41 states and 1262 transitions. [2021-06-11 13:56:33,911 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1321 places, 4257 transitions, 147087 flow [2021-06-11 13:56:45,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1303 places, 4257 transitions, 145880 flow, removed 202 selfloop flow, removed 18 redundant places. [2021-06-11 13:56:45,772 INFO L241 Difference]: Finished difference. Result has 1308 places, 4187 transitions, 137736 flow [2021-06-11 13:56:45,773 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=133732, PETRI_DIFFERENCE_MINUEND_PLACES=1263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1031, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3071, PETRI_DIFFERENCE_SUBTRAHEND_STATES=41, PETRI_FLOW=137736, PETRI_PLACES=1308, PETRI_TRANSITIONS=4187} [2021-06-11 13:56:45,773 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1269 predicate places. [2021-06-11 13:56:45,773 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:56:45,773 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1308 places, 4187 transitions, 137736 flow [2021-06-11 13:56:45,774 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1308 places, 4187 transitions, 137736 flow [2021-06-11 13:56:45,821 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1307 places, 4187 transitions, 137736 flow [2021-06-11 13:56:49,387 INFO L129 PetriNetUnfolder]: 3235/6868 cut-off events. [2021-06-11 13:56:49,387 INFO L130 PetriNetUnfolder]: For 493701/493871 co-relation queries the response was YES. [2021-06-11 13:56:49,676 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107469 conditions, 6868 events. 3235/6868 cut-off events. For 493701/493871 co-relation queries the response was YES. Maximal size of possible extension queue 965. Compared 63565 event pairs, 148 based on Foata normal form. 2/6822 useless extension candidates. Maximal degree in co-relation 107021. Up to 2149 conditions per place. [2021-06-11 13:56:49,750 INFO L151 LiptonReduction]: Number of co-enabled transitions 3336 [2021-06-11 13:56:51,616 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:56:51,616 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:56:51,616 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5843 [2021-06-11 13:56:51,616 INFO L480 AbstractCegarLoop]: Abstraction has has 1307 places, 4187 transitions, 137736 flow [2021-06-11 13:56:51,616 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:56:51,616 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:56:51,616 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] [2021-06-11 13:56:51,616 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-06-11 13:56:51,617 INFO L428 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:56:51,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:56:51,617 INFO L82 PathProgramCache]: Analyzing trace with hash 107709486, now seen corresponding path program 10 times [2021-06-11 13:56:51,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:56:51,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996728932] [2021-06-11 13:56:51,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:56:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:56:51,624 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:56:51,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:56:51,628 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:56:51,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:56:51,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:56:51,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:56:51,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:56:51,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:56:51,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:56:51,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:56:51,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:56:51,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:56:51,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:56:51,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:56:51,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:56:51,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:56:51,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:56:51,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:56:51,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:56:51,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:56:51,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:56:51,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:56:51,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:56:51,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:56:51,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:56:51,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:56:51,759 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:56:51,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:56:51,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:56:51,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996728932] [2021-06-11 13:56:51,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:56:51,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 13:56:51,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324935689] [2021-06-11 13:56:51,764 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 13:56:51,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:56:51,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 13:56:51,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 13:56:51,765 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:56:51,765 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1307 places, 4187 transitions, 137736 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:56:51,765 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:56:51,765 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:56:51,765 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:57:00,930 INFO L129 PetriNetUnfolder]: 3390/7069 cut-off events. [2021-06-11 13:57:00,931 INFO L130 PetriNetUnfolder]: For 559568/559584 co-relation queries the response was YES. [2021-06-11 13:57:01,097 INFO L84 FinitePrefix]: Finished finitePrefix Result has 116766 conditions, 7069 events. 3390/7069 cut-off events. For 559568/559584 co-relation queries the response was YES. Maximal size of possible extension queue 940. Compared 63300 event pairs, 140 based on Foata normal form. 13/7080 useless extension candidates. Maximal degree in co-relation 116313. Up to 5619 conditions per place. [2021-06-11 13:57:01,137 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3468 selfloop transitions, 750 changer transitions 3/4229 dead transitions. [2021-06-11 13:57:01,137 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1336 places, 4229 transitions, 147600 flow [2021-06-11 13:57:01,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-11 13:57:01,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-06-11 13:57:01,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 922 transitions. [2021-06-11 13:57:01,139 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.439047619047619 [2021-06-11 13:57:01,139 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 922 transitions. [2021-06-11 13:57:01,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 922 transitions. [2021-06-11 13:57:01,139 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:57:01,139 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 922 transitions. [2021-06-11 13:57:01,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 30.733333333333334) internal successors, (922), 30 states have internal predecessors, (922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:57:01,140 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 70.0) internal successors, (2170), 31 states have internal predecessors, (2170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:57:01,140 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 70.0) internal successors, (2170), 31 states have internal predecessors, (2170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:57:01,140 INFO L185 Difference]: Start difference. First operand has 1307 places, 4187 transitions, 137736 flow. Second operand 30 states and 922 transitions. [2021-06-11 13:57:01,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1336 places, 4229 transitions, 147600 flow [2021-06-11 13:57:13,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1316 places, 4229 transitions, 145828 flow, removed 95 selfloop flow, removed 20 redundant places. [2021-06-11 13:57:13,183 INFO L241 Difference]: Finished difference. Result has 1319 places, 4187 transitions, 137723 flow [2021-06-11 13:57:13,185 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=135972, PETRI_DIFFERENCE_MINUEND_PLACES=1287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=749, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3437, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=137723, PETRI_PLACES=1319, PETRI_TRANSITIONS=4187} [2021-06-11 13:57:13,185 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1280 predicate places. [2021-06-11 13:57:13,185 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:57:13,185 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1319 places, 4187 transitions, 137723 flow [2021-06-11 13:57:13,185 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1319 places, 4187 transitions, 137723 flow [2021-06-11 13:57:13,229 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1318 places, 4187 transitions, 137723 flow [2021-06-11 13:57:16,804 INFO L129 PetriNetUnfolder]: 3216/6861 cut-off events. [2021-06-11 13:57:16,804 INFO L130 PetriNetUnfolder]: For 475384/475488 co-relation queries the response was YES. [2021-06-11 13:57:17,092 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106933 conditions, 6861 events. 3216/6861 cut-off events. For 475384/475488 co-relation queries the response was YES. Maximal size of possible extension queue 971. Compared 63616 event pairs, 156 based on Foata normal form. 2/6827 useless extension candidates. Maximal degree in co-relation 106485. Up to 2141 conditions per place. [2021-06-11 13:57:17,171 INFO L151 LiptonReduction]: Number of co-enabled transitions 3340 [2021-06-11 13:57:18,863 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:57:18,863 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:57:18,864 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5679 [2021-06-11 13:57:18,864 INFO L480 AbstractCegarLoop]: Abstraction has has 1318 places, 4187 transitions, 137723 flow [2021-06-11 13:57:18,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:57:18,864 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:57:18,864 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] [2021-06-11 13:57:18,864 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-06-11 13:57:18,864 INFO L428 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:57:18,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:57:18,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1628847735, now seen corresponding path program 14 times [2021-06-11 13:57:18,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:57:18,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343283796] [2021-06-11 13:57:18,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:57:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:57:18,872 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:57:18,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:57:18,875 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:57:18,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:57:18,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:57:18,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:57:18,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:57:18,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:57:18,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:57:18,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:57:18,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:57:18,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:57:18,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:57:18,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:57:18,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:57:18,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:57:18,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:57:18,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:57:18,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:57:18,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:57:18,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:57:18,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:57:18,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:57:18,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:57:18,998 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:57:18,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:57:19,016 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 13:57:19,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:57:19,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:57:19,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343283796] [2021-06-11 13:57:19,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:57:19,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 13:57:19,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326362661] [2021-06-11 13:57:19,019 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 13:57:19,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:57:19,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 13:57:19,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 13:57:19,020 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:57:19,020 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1318 places, 4187 transitions, 137723 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:57:19,020 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:57:19,020 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:57:19,020 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:57:28,416 INFO L129 PetriNetUnfolder]: 3435/7225 cut-off events. [2021-06-11 13:57:28,416 INFO L130 PetriNetUnfolder]: For 565402/565409 co-relation queries the response was YES. [2021-06-11 13:57:28,711 INFO L84 FinitePrefix]: Finished finitePrefix Result has 118650 conditions, 7225 events. 3435/7225 cut-off events. For 565402/565409 co-relation queries the response was YES. Maximal size of possible extension queue 959. Compared 65497 event pairs, 241 based on Foata normal form. 8/7231 useless extension candidates. Maximal degree in co-relation 118197. Up to 5674 conditions per place. [2021-06-11 13:57:28,752 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3627 selfloop transitions, 670 changer transitions 4/4309 dead transitions. [2021-06-11 13:57:28,752 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1350 places, 4309 transitions, 150304 flow [2021-06-11 13:57:28,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-11 13:57:28,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-06-11 13:57:28,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 1005 transitions. [2021-06-11 13:57:28,753 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43506493506493504 [2021-06-11 13:57:28,753 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 1005 transitions. [2021-06-11 13:57:28,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 1005 transitions. [2021-06-11 13:57:28,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:57:28,754 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 1005 transitions. [2021-06-11 13:57:28,754 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 30.454545454545453) internal successors, (1005), 33 states have internal predecessors, (1005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:57:28,755 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 70.0) internal successors, (2380), 34 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:57:28,755 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 70.0) internal successors, (2380), 34 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:57:28,755 INFO L185 Difference]: Start difference. First operand has 1318 places, 4187 transitions, 137723 flow. Second operand 33 states and 1005 transitions. [2021-06-11 13:57:28,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1350 places, 4309 transitions, 150304 flow [2021-06-11 13:57:40,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1332 places, 4309 transitions, 149204 flow, removed 7 selfloop flow, removed 18 redundant places. [2021-06-11 13:57:40,505 INFO L241 Difference]: Finished difference. Result has 1345 places, 4264 transitions, 141331 flow [2021-06-11 13:57:40,507 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=136660, PETRI_DIFFERENCE_MINUEND_PLACES=1300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=591, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3517, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=141331, PETRI_PLACES=1345, PETRI_TRANSITIONS=4264} [2021-06-11 13:57:40,507 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1306 predicate places. [2021-06-11 13:57:40,507 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:57:40,507 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1345 places, 4264 transitions, 141331 flow [2021-06-11 13:57:40,507 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1345 places, 4264 transitions, 141331 flow [2021-06-11 13:57:40,553 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1344 places, 4264 transitions, 141331 flow [2021-06-11 13:57:44,162 INFO L129 PetriNetUnfolder]: 3284/7017 cut-off events. [2021-06-11 13:57:44,162 INFO L130 PetriNetUnfolder]: For 505333/505643 co-relation queries the response was YES. [2021-06-11 13:57:44,340 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109735 conditions, 7017 events. 3284/7017 cut-off events. For 505333/505643 co-relation queries the response was YES. Maximal size of possible extension queue 996. Compared 65586 event pairs, 159 based on Foata normal form. 1/6968 useless extension candidates. Maximal degree in co-relation 109276. Up to 2219 conditions per place. [2021-06-11 13:57:44,419 INFO L151 LiptonReduction]: Number of co-enabled transitions 3454 [2021-06-11 13:57:46,456 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:57:46,456 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:57:46,456 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5949 [2021-06-11 13:57:46,456 INFO L480 AbstractCegarLoop]: Abstraction has has 1344 places, 4264 transitions, 141331 flow [2021-06-11 13:57:46,456 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:57:46,457 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:57:46,457 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] [2021-06-11 13:57:46,457 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-06-11 13:57:46,457 INFO L428 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:57:46,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:57:46,457 INFO L82 PathProgramCache]: Analyzing trace with hash 49004772, now seen corresponding path program 11 times [2021-06-11 13:57:46,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:57:46,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928989465] [2021-06-11 13:57:46,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:57:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:57:46,466 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:57:46,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:57:46,470 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:57:46,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:57:46,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:57:46,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:57:46,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:57:46,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:57:46,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:57:46,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:57:46,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:57:46,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:57:46,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:57:46,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:57:46,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:57:46,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:57:46,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:57:46,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:57:46,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:57:46,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:57:46,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:57:46,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:57:46,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:57:46,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:57:46,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:57:46,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:57:46,596 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:57:46,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:57:46,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:57:46,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928989465] [2021-06-11 13:57:46,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:57:46,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 13:57:46,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416617523] [2021-06-11 13:57:46,598 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 13:57:46,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:57:46,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 13:57:46,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 13:57:46,599 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:57:46,599 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1344 places, 4264 transitions, 141331 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:57:46,599 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:57:46,599 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:57:46,599 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:57:56,180 INFO L129 PetriNetUnfolder]: 3434/7208 cut-off events. [2021-06-11 13:57:56,181 INFO L130 PetriNetUnfolder]: For 571017/571031 co-relation queries the response was YES. [2021-06-11 13:57:56,361 INFO L84 FinitePrefix]: Finished finitePrefix Result has 119009 conditions, 7208 events. 3434/7208 cut-off events. For 571017/571031 co-relation queries the response was YES. Maximal size of possible extension queue 959. Compared 65261 event pairs, 252 based on Foata normal form. 11/7217 useless extension candidates. Maximal degree in co-relation 118545. Up to 5988 conditions per place. [2021-06-11 13:57:56,405 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3834 selfloop transitions, 442 changer transitions 2/4286 dead transitions. [2021-06-11 13:57:56,405 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1371 places, 4286 transitions, 150712 flow [2021-06-11 13:57:56,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-11 13:57:56,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-06-11 13:57:56,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 855 transitions. [2021-06-11 13:57:56,407 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4362244897959184 [2021-06-11 13:57:56,407 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 855 transitions. [2021-06-11 13:57:56,407 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 855 transitions. [2021-06-11 13:57:56,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:57:56,407 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 855 transitions. [2021-06-11 13:57:56,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 30.535714285714285) internal successors, (855), 28 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) [2021-06-11 13:57:56,408 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 70.0) internal successors, (2030), 29 states have internal predecessors, (2030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:57:56,408 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 70.0) internal successors, (2030), 29 states have internal predecessors, (2030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:57:56,408 INFO L185 Difference]: Start difference. First operand has 1344 places, 4264 transitions, 141331 flow. Second operand 28 states and 855 transitions. [2021-06-11 13:57:56,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1371 places, 4286 transitions, 150712 flow [2021-06-11 13:58:07,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1349 places, 4286 transitions, 149741 flow, removed 93 selfloop flow, removed 22 redundant places. [2021-06-11 13:58:07,667 INFO L241 Difference]: Finished difference. Result has 1351 places, 4263 transitions, 141234 flow [2021-06-11 13:58:07,668 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=140368, PETRI_DIFFERENCE_MINUEND_PLACES=1322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=442, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3822, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=141234, PETRI_PLACES=1351, PETRI_TRANSITIONS=4263} [2021-06-11 13:58:07,669 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1312 predicate places. [2021-06-11 13:58:07,669 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:58:07,669 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1351 places, 4263 transitions, 141234 flow [2021-06-11 13:58:07,669 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1351 places, 4263 transitions, 141234 flow [2021-06-11 13:58:07,715 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1350 places, 4263 transitions, 141234 flow [2021-06-11 13:58:11,263 INFO L129 PetriNetUnfolder]: 3281/7009 cut-off events. [2021-06-11 13:58:11,263 INFO L130 PetriNetUnfolder]: For 507992/508185 co-relation queries the response was YES. [2021-06-11 13:58:11,452 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109496 conditions, 7009 events. 3281/7009 cut-off events. For 507992/508185 co-relation queries the response was YES. Maximal size of possible extension queue 999. Compared 65554 event pairs, 154 based on Foata normal form. 2/6959 useless extension candidates. Maximal degree in co-relation 109036. Up to 2213 conditions per place. [2021-06-11 13:58:11,531 INFO L151 LiptonReduction]: Number of co-enabled transitions 3454 [2021-06-11 13:58:13,466 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:58:13,466 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:58:13,466 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5797 [2021-06-11 13:58:13,466 INFO L480 AbstractCegarLoop]: Abstraction has has 1350 places, 4263 transitions, 141234 flow [2021-06-11 13:58:13,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:58:13,466 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:58:13,467 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] [2021-06-11 13:58:13,467 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-06-11 13:58:13,467 INFO L428 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:58:13,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:58:13,467 INFO L82 PathProgramCache]: Analyzing trace with hash 2106784416, now seen corresponding path program 12 times [2021-06-11 13:58:13,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:58:13,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720123725] [2021-06-11 13:58:13,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:58:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:58:13,477 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:58:13,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:58:13,481 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:58:13,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:58:13,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:58:13,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:58:13,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:58:13,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:58:13,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:58:13,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:58:13,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:58:13,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:58:13,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:58:13,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:58:13,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:58:13,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:58:13,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:58:13,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:58:13,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:58:13,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:58:13,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:58:13,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:58:13,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:58:13,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:58:13,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:58:13,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:58:13,615 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 13:58:13,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:58:13,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:58:13,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720123725] [2021-06-11 13:58:13,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:58:13,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 13:58:13,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533160313] [2021-06-11 13:58:13,618 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 13:58:13,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:58:13,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 13:58:13,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 13:58:13,619 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:58:13,619 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1350 places, 4263 transitions, 141234 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:58:13,619 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:58:13,619 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:58:13,619 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:58:23,123 INFO L129 PetriNetUnfolder]: 3432/7195 cut-off events. [2021-06-11 13:58:23,123 INFO L130 PetriNetUnfolder]: For 573972/573988 co-relation queries the response was YES. [2021-06-11 13:58:23,415 INFO L84 FinitePrefix]: Finished finitePrefix Result has 118881 conditions, 7195 events. 3432/7195 cut-off events. For 573972/573988 co-relation queries the response was YES. Maximal size of possible extension queue 958. Compared 65239 event pairs, 219 based on Foata normal form. 14/7207 useless extension candidates. Maximal degree in co-relation 118416. Up to 5950 conditions per place. [2021-06-11 13:58:23,455 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3786 selfloop transitions, 493 changer transitions 11/4298 dead transitions. [2021-06-11 13:58:23,455 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1386 places, 4298 transitions, 151012 flow [2021-06-11 13:58:23,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-11 13:58:23,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-06-11 13:58:23,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 1116 transitions. [2021-06-11 13:58:23,457 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4308880308880309 [2021-06-11 13:58:23,457 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 1116 transitions. [2021-06-11 13:58:23,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 1116 transitions. [2021-06-11 13:58:23,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:58:23,457 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 1116 transitions. [2021-06-11 13:58:23,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 30.16216216216216) internal successors, (1116), 37 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:58:23,459 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 70.0) internal successors, (2660), 38 states have internal predecessors, (2660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:58:23,459 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 70.0) internal successors, (2660), 38 states have internal predecessors, (2660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:58:23,459 INFO L185 Difference]: Start difference. First operand has 1350 places, 4263 transitions, 141234 flow. Second operand 37 states and 1116 transitions. [2021-06-11 13:58:23,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1386 places, 4298 transitions, 151012 flow [2021-06-11 13:58:34,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1369 places, 4298 transitions, 150213 flow, removed 7 selfloop flow, removed 17 redundant places. [2021-06-11 13:58:35,084 INFO L241 Difference]: Finished difference. Result has 1374 places, 4258 transitions, 141379 flow [2021-06-11 13:58:35,085 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=140445, PETRI_DIFFERENCE_MINUEND_PLACES=1333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=488, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3770, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=141379, PETRI_PLACES=1374, PETRI_TRANSITIONS=4258} [2021-06-11 13:58:35,085 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1335 predicate places. [2021-06-11 13:58:35,085 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:58:35,085 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1374 places, 4258 transitions, 141379 flow [2021-06-11 13:58:35,085 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1374 places, 4258 transitions, 141379 flow [2021-06-11 13:58:35,132 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1371 places, 4258 transitions, 141379 flow [2021-06-11 13:58:38,916 INFO L129 PetriNetUnfolder]: 3266/6973 cut-off events. [2021-06-11 13:58:38,917 INFO L130 PetriNetUnfolder]: For 497767/497852 co-relation queries the response was YES. [2021-06-11 13:58:39,116 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109173 conditions, 6973 events. 3266/6973 cut-off events. For 497767/497852 co-relation queries the response was YES. Maximal size of possible extension queue 980. Compared 64852 event pairs, 125 based on Foata normal form. 2/6956 useless extension candidates. Maximal degree in co-relation 108710. Up to 2197 conditions per place. [2021-06-11 13:58:39,210 INFO L151 LiptonReduction]: Number of co-enabled transitions 3426 [2021-06-11 13:58:41,158 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:58:41,158 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:58:41,159 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6074 [2021-06-11 13:58:41,159 INFO L480 AbstractCegarLoop]: Abstraction has has 1371 places, 4258 transitions, 141379 flow [2021-06-11 13:58:41,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:58:41,159 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:58:41,159 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] [2021-06-11 13:58:41,159 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-06-11 13:58:41,159 INFO L428 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:58:41,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:58:41,159 INFO L82 PathProgramCache]: Analyzing trace with hash -2075789797, now seen corresponding path program 15 times [2021-06-11 13:58:41,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:58:41,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011820832] [2021-06-11 13:58:41,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:58:41,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:58:41,166 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:58:41,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:58:41,170 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:58:41,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:58:41,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:58:41,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:58:41,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:58:41,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:58:41,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:58:41,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:58:41,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:58:41,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:58:41,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:58:41,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:58:41,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:58:41,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:58:41,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:58:41,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:58:41,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:58:41,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:58:41,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:58:41,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:58:41,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:58:41,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:58:41,283 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:58:41,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:58:41,300 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 13:58:41,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:58:41,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:58:41,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011820832] [2021-06-11 13:58:41,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:58:41,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 13:58:41,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005522004] [2021-06-11 13:58:41,302 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 13:58:41,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:58:41,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 13:58:41,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 13:58:41,303 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 13:58:41,303 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1371 places, 4258 transitions, 141379 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:58:41,303 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:58:41,303 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 13:58:41,303 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2021-06-11 13:58:47,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-11 13:58:47,678 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-06-11 13:58:47,678 WARN L545 AbstractCegarLoop]: Verification canceled [2021-06-11 13:58:47,680 WARN L224 ceAbstractionStarter]: Timeout [2021-06-11 13:58:47,681 INFO L202 PluginConnector]: Adding new model easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 01:58:47 BasicIcfg [2021-06-11 13:58:47,681 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 13:58:47,681 INFO L168 Benchmark]: Toolchain (without parser) took 816275.20 ms. Allocated memory was 331.4 MB in the beginning and 8.8 GB in the end (delta: 8.4 GB). Free memory was 311.6 MB in the beginning and 6.3 GB in the end (delta: -6.0 GB). Peak memory consumption was 2.6 GB. Max. memory is 16.0 GB. [2021-06-11 13:58:47,681 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 331.4 MB. Free memory is still 312.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 13:58:47,681 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.74 ms. Allocated memory is still 331.4 MB. Free memory was 311.6 MB in the beginning and 310.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 13:58:47,681 INFO L168 Benchmark]: Boogie Preprocessor took 17.28 ms. Allocated memory is still 331.4 MB. Free memory was 310.1 MB in the beginning and 309.1 MB in the end (delta: 983.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 13:58:47,681 INFO L168 Benchmark]: RCFGBuilder took 248.75 ms. Allocated memory is still 331.4 MB. Free memory was 309.0 MB in the beginning and 296.4 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-06-11 13:58:47,681 INFO L168 Benchmark]: TraceAbstraction took 815983.54 ms. Allocated memory was 331.4 MB in the beginning and 8.8 GB in the end (delta: 8.4 GB). Free memory was 295.9 MB in the beginning and 6.3 GB in the end (delta: -6.0 GB). Peak memory consumption was 2.6 GB. Max. memory is 16.0 GB. [2021-06-11 13:58:47,682 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 331.4 MB. Free memory is still 312.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 20.74 ms. Allocated memory is still 331.4 MB. Free memory was 311.6 MB in the beginning and 310.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 17.28 ms. Allocated memory is still 331.4 MB. Free memory was 310.1 MB in the beginning and 309.1 MB in the end (delta: 983.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 248.75 ms. Allocated memory is still 331.4 MB. Free memory was 309.0 MB in the beginning and 296.4 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 815983.54 ms. Allocated memory was 331.4 MB in the beginning and 8.8 GB in the end (delta: 8.4 GB). Free memory was 295.9 MB in the beginning and 6.3 GB in the end (delta: -6.0 GB). Peak memory consumption was 2.6 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 518.1ms, 52 PlacesBefore, 39 PlacesAfterwards, 39 TransitionsBefore, 26 TransitionsAfterwards, 756 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 12 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 13 TotalNumberOfCompositions, 936 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 501, positive: 465, positive conditional: 0, positive unconditional: 465, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 450, positive: 419, positive conditional: 0, positive unconditional: 419, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 450, positive: 419, positive conditional: 0, positive unconditional: 419, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 450, positive: 415, positive conditional: 0, positive unconditional: 415, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 176, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 158, negative conditional: 0, negative unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 501, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 450, unknown conditional: 0, unknown unconditional: 450] , Statistics on independence cache: Total cache size (in pairs): 581, Positive cache size: 550, Positive conditional cache size: 0, Positive unconditional cache size: 550, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 39.7ms, 34 PlacesBefore, 33 PlacesAfterwards, 26 TransitionsBefore, 25 TransitionsAfterwards, 280 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 508 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 213, positive: 179, positive conditional: 0, positive unconditional: 179, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28, positive: 28, positive conditional: 0, positive unconditional: 28, 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: 28, positive: 28, positive conditional: 0, positive unconditional: 28, 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: 28, positive: 28, positive conditional: 0, positive unconditional: 28, 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: 213, positive: 151, positive conditional: 0, positive unconditional: 151, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 28, unknown conditional: 0, unknown unconditional: 28] , Statistics on independence cache: Total cache size (in pairs): 624, Positive cache size: 593, Positive conditional cache size: 0, Positive unconditional cache size: 593, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 31.9ms, 34 PlacesBefore, 33 PlacesAfterwards, 25 TransitionsBefore, 24 TransitionsAfterwards, 246 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 288 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 159, positive: 139, positive conditional: 0, positive unconditional: 139, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 159, positive: 123, positive conditional: 0, positive unconditional: 123, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 16, unknown conditional: 0, unknown unconditional: 16] , Statistics on independence cache: Total cache size (in pairs): 662, Positive cache size: 631, Positive conditional cache size: 0, Positive unconditional cache size: 631, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 69.9ms, 63 PlacesBefore, 61 PlacesAfterwards, 93 TransitionsBefore, 93 TransitionsAfterwards, 398 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 3 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.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: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 686, Positive cache size: 655, Positive conditional cache size: 0, Positive unconditional cache size: 655, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 25.9ms, 60 PlacesBefore, 60 PlacesAfterwards, 76 TransitionsBefore, 76 TransitionsAfterwards, 282 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 686, Positive cache size: 655, Positive conditional cache size: 0, Positive unconditional cache size: 655, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 61.9ms, 100 PlacesBefore, 96 PlacesAfterwards, 161 TransitionsBefore, 161 TransitionsAfterwards, 432 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 686, Positive cache size: 655, Positive conditional cache size: 0, Positive unconditional cache size: 655, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 75.4ms, 96 PlacesBefore, 96 PlacesAfterwards, 157 TransitionsBefore, 157 TransitionsAfterwards, 370 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 702, Positive cache size: 671, Positive conditional cache size: 0, Positive unconditional cache size: 671, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 79.5ms, 141 PlacesBefore, 140 PlacesAfterwards, 268 TransitionsBefore, 268 TransitionsAfterwards, 416 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 702, Positive cache size: 671, Positive conditional cache size: 0, Positive unconditional cache size: 671, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 186.1ms, 160 PlacesBefore, 159 PlacesAfterwards, 345 TransitionsBefore, 345 TransitionsAfterwards, 452 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 774, Positive cache size: 743, Positive conditional cache size: 0, Positive unconditional cache size: 743, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 280.9ms, 220 PlacesBefore, 220 PlacesAfterwards, 570 TransitionsBefore, 570 TransitionsAfterwards, 568 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 825, Positive cache size: 794, Positive conditional cache size: 0, Positive unconditional cache size: 794, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 350.4ms, 243 PlacesBefore, 242 PlacesAfterwards, 679 TransitionsBefore, 679 TransitionsAfterwards, 588 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 840, Positive cache size: 809, Positive conditional cache size: 0, Positive unconditional cache size: 809, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 364.7ms, 271 PlacesBefore, 269 PlacesAfterwards, 711 TransitionsBefore, 711 TransitionsAfterwards, 606 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 855, Positive cache size: 824, Positive conditional cache size: 0, Positive unconditional cache size: 824, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 278.9ms, 291 PlacesBefore, 289 PlacesAfterwards, 738 TransitionsBefore, 738 TransitionsAfterwards, 618 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 855, Positive cache size: 824, Positive conditional cache size: 0, Positive unconditional cache size: 824, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 313.8ms, 308 PlacesBefore, 307 PlacesAfterwards, 773 TransitionsBefore, 773 TransitionsAfterwards, 634 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 855, Positive cache size: 824, Positive conditional cache size: 0, Positive unconditional cache size: 824, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 305.2ms, 319 PlacesBefore, 318 PlacesAfterwards, 783 TransitionsBefore, 783 TransitionsAfterwards, 648 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 855, Positive cache size: 824, Positive conditional cache size: 0, Positive unconditional cache size: 824, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 324.2ms, 331 PlacesBefore, 330 PlacesAfterwards, 803 TransitionsBefore, 803 TransitionsAfterwards, 680 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 855, Positive cache size: 824, Positive conditional cache size: 0, Positive unconditional cache size: 824, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 348.3ms, 346 PlacesBefore, 345 PlacesAfterwards, 833 TransitionsBefore, 833 TransitionsAfterwards, 708 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 855, Positive cache size: 824, Positive conditional cache size: 0, Positive unconditional cache size: 824, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 385.2ms, 359 PlacesBefore, 358 PlacesAfterwards, 844 TransitionsBefore, 844 TransitionsAfterwards, 718 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 855, Positive cache size: 824, Positive conditional cache size: 0, Positive unconditional cache size: 824, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 375.3ms, 377 PlacesBefore, 376 PlacesAfterwards, 850 TransitionsBefore, 850 TransitionsAfterwards, 732 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 855, Positive cache size: 824, Positive conditional cache size: 0, Positive unconditional cache size: 824, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 365.7ms, 384 PlacesBefore, 380 PlacesAfterwards, 849 TransitionsBefore, 849 TransitionsAfterwards, 732 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 855, Positive cache size: 824, Positive conditional cache size: 0, Positive unconditional cache size: 824, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 382.7ms, 394 PlacesBefore, 392 PlacesAfterwards, 857 TransitionsBefore, 857 TransitionsAfterwards, 756 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 855, Positive cache size: 824, Positive conditional cache size: 0, Positive unconditional cache size: 824, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 379.4ms, 398 PlacesBefore, 396 PlacesAfterwards, 861 TransitionsBefore, 861 TransitionsAfterwards, 750 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 855, Positive cache size: 824, Positive conditional cache size: 0, Positive unconditional cache size: 824, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 386.0ms, 404 PlacesBefore, 400 PlacesAfterwards, 865 TransitionsBefore, 865 TransitionsAfterwards, 758 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 855, Positive cache size: 824, Positive conditional cache size: 0, Positive unconditional cache size: 824, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 407.1ms, 414 PlacesBefore, 411 PlacesAfterwards, 876 TransitionsBefore, 876 TransitionsAfterwards, 782 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 855, Positive cache size: 824, Positive conditional cache size: 0, Positive unconditional cache size: 824, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 413.8ms, 415 PlacesBefore, 403 PlacesAfterwards, 867 TransitionsBefore, 867 TransitionsAfterwards, 782 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 855, Positive cache size: 824, Positive conditional cache size: 0, Positive unconditional cache size: 824, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 475.3ms, 410 PlacesBefore, 407 PlacesAfterwards, 867 TransitionsBefore, 867 TransitionsAfterwards, 776 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 855, Positive cache size: 824, Positive conditional cache size: 0, Positive unconditional cache size: 824, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 372.5ms, 406 PlacesBefore, 400 PlacesAfterwards, 859 TransitionsBefore, 859 TransitionsAfterwards, 776 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 855, Positive cache size: 824, Positive conditional cache size: 0, Positive unconditional cache size: 824, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 363.3ms, 401 PlacesBefore, 399 PlacesAfterwards, 881 TransitionsBefore, 881 TransitionsAfterwards, 782 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 855, Positive cache size: 824, Positive conditional cache size: 0, Positive unconditional cache size: 824, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 389.2ms, 405 PlacesBefore, 401 PlacesAfterwards, 881 TransitionsBefore, 881 TransitionsAfterwards, 780 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 855, Positive cache size: 824, Positive conditional cache size: 0, Positive unconditional cache size: 824, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 390.0ms, 402 PlacesBefore, 394 PlacesAfterwards, 878 TransitionsBefore, 878 TransitionsAfterwards, 780 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 855, Positive cache size: 824, Positive conditional cache size: 0, Positive unconditional cache size: 824, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 376.7ms, 400 PlacesBefore, 397 PlacesAfterwards, 878 TransitionsBefore, 878 TransitionsAfterwards, 768 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 855, Positive cache size: 824, Positive conditional cache size: 0, Positive unconditional cache size: 824, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 374.3ms, 395 PlacesBefore, 389 PlacesAfterwards, 874 TransitionsBefore, 874 TransitionsAfterwards, 768 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 855, Positive cache size: 824, Positive conditional cache size: 0, Positive unconditional cache size: 824, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 363.7ms, 395 PlacesBefore, 393 PlacesAfterwards, 876 TransitionsBefore, 876 TransitionsAfterwards, 768 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 855, Positive cache size: 824, Positive conditional cache size: 0, Positive unconditional cache size: 824, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 399.4ms, 392 PlacesBefore, 382 PlacesAfterwards, 871 TransitionsBefore, 871 TransitionsAfterwards, 768 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 855, Positive cache size: 824, Positive conditional cache size: 0, Positive unconditional cache size: 824, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 365.7ms, 385 PlacesBefore, 379 PlacesAfterwards, 868 TransitionsBefore, 868 TransitionsAfterwards, 768 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 855, Positive cache size: 824, Positive conditional cache size: 0, Positive unconditional cache size: 824, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 438.1ms, 388 PlacesBefore, 388 PlacesAfterwards, 984 TransitionsBefore, 984 TransitionsAfterwards, 852 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 855, Positive cache size: 824, Positive conditional cache size: 0, Positive unconditional cache size: 824, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 426.1ms, 397 PlacesBefore, 397 PlacesAfterwards, 981 TransitionsBefore, 981 TransitionsAfterwards, 848 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 855, Positive cache size: 824, Positive conditional cache size: 0, Positive unconditional cache size: 824, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 421.7ms, 395 PlacesBefore, 395 PlacesAfterwards, 981 TransitionsBefore, 981 TransitionsAfterwards, 856 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 855, Positive cache size: 824, Positive conditional cache size: 0, Positive unconditional cache size: 824, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 509.8ms, 424 PlacesBefore, 423 PlacesAfterwards, 1023 TransitionsBefore, 1023 TransitionsAfterwards, 882 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 855, Positive cache size: 824, Positive conditional cache size: 0, Positive unconditional cache size: 824, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 654.6ms, 431 PlacesBefore, 431 PlacesAfterwards, 1030 TransitionsBefore, 1030 TransitionsAfterwards, 882 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 556.6ms, 456 PlacesBefore, 456 PlacesAfterwards, 1158 TransitionsBefore, 1158 TransitionsAfterwards, 904 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 628.4ms, 470 PlacesBefore, 468 PlacesAfterwards, 1164 TransitionsBefore, 1164 TransitionsAfterwards, 904 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 716.8ms, 515 PlacesBefore, 515 PlacesAfterwards, 1299 TransitionsBefore, 1299 TransitionsAfterwards, 988 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 812.8ms, 545 PlacesBefore, 545 PlacesAfterwards, 1446 TransitionsBefore, 1446 TransitionsAfterwards, 1088 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 851.6ms, 566 PlacesBefore, 566 PlacesAfterwards, 1491 TransitionsBefore, 1491 TransitionsAfterwards, 1114 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1281.5ms, 605 PlacesBefore, 605 PlacesAfterwards, 1969 TransitionsBefore, 1969 TransitionsAfterwards, 1374 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1829.8ms, 654 PlacesBefore, 654 PlacesAfterwards, 2415 TransitionsBefore, 2415 TransitionsAfterwards, 1550 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2160.6ms, 687 PlacesBefore, 686 PlacesAfterwards, 2523 TransitionsBefore, 2523 TransitionsAfterwards, 1606 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2201.2ms, 696 PlacesBefore, 696 PlacesAfterwards, 2538 TransitionsBefore, 2538 TransitionsAfterwards, 1628 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2284.5ms, 724 PlacesBefore, 724 PlacesAfterwards, 2587 TransitionsBefore, 2587 TransitionsAfterwards, 1650 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2483.3ms, 745 PlacesBefore, 745 PlacesAfterwards, 2669 TransitionsBefore, 2669 TransitionsAfterwards, 1660 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2541.7ms, 757 PlacesBefore, 757 PlacesAfterwards, 2693 TransitionsBefore, 2693 TransitionsAfterwards, 1698 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2673.3ms, 805 PlacesBefore, 805 PlacesAfterwards, 2799 TransitionsBefore, 2799 TransitionsAfterwards, 1768 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3013.9ms, 838 PlacesBefore, 838 PlacesAfterwards, 2848 TransitionsBefore, 2848 TransitionsAfterwards, 1784 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3131.4ms, 876 PlacesBefore, 876 PlacesAfterwards, 2968 TransitionsBefore, 2968 TransitionsAfterwards, 1828 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2930.8ms, 902 PlacesBefore, 902 PlacesAfterwards, 2993 TransitionsBefore, 2993 TransitionsAfterwards, 1832 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3264.9ms, 903 PlacesBefore, 903 PlacesAfterwards, 3029 TransitionsBefore, 3029 TransitionsAfterwards, 1868 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3358.3ms, 911 PlacesBefore, 911 PlacesAfterwards, 3030 TransitionsBefore, 3030 TransitionsAfterwards, 1868 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3440.5ms, 923 PlacesBefore, 923 PlacesAfterwards, 3068 TransitionsBefore, 3068 TransitionsAfterwards, 1884 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3542.0ms, 951 PlacesBefore, 951 PlacesAfterwards, 3210 TransitionsBefore, 3210 TransitionsAfterwards, 2012 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3520.8ms, 968 PlacesBefore, 968 PlacesAfterwards, 3215 TransitionsBefore, 3215 TransitionsAfterwards, 2016 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3686.4ms, 976 PlacesBefore, 975 PlacesAfterwards, 3242 TransitionsBefore, 3242 TransitionsAfterwards, 2046 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4110.8ms, 1005 PlacesBefore, 1004 PlacesAfterwards, 3466 TransitionsBefore, 3466 TransitionsAfterwards, 2288 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4319.7ms, 1037 PlacesBefore, 1036 PlacesAfterwards, 3573 TransitionsBefore, 3573 TransitionsAfterwards, 2524 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4461.8ms, 1061 PlacesBefore, 1060 PlacesAfterwards, 3604 TransitionsBefore, 3604 TransitionsAfterwards, 2596 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4988.8ms, 1079 PlacesBefore, 1078 PlacesAfterwards, 3726 TransitionsBefore, 3726 TransitionsAfterwards, 2738 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4788.9ms, 1101 PlacesBefore, 1099 PlacesAfterwards, 3780 TransitionsBefore, 3780 TransitionsAfterwards, 2768 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4821.9ms, 1114 PlacesBefore, 1112 PlacesAfterwards, 3794 TransitionsBefore, 3794 TransitionsAfterwards, 2810 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4821.4ms, 1138 PlacesBefore, 1137 PlacesAfterwards, 3841 TransitionsBefore, 3841 TransitionsAfterwards, 2856 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4868.6ms, 1158 PlacesBefore, 1154 PlacesAfterwards, 3880 TransitionsBefore, 3880 TransitionsAfterwards, 2838 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4822.6ms, 1173 PlacesBefore, 1172 PlacesAfterwards, 3879 TransitionsBefore, 3879 TransitionsAfterwards, 2838 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4908.0ms, 1179 PlacesBefore, 1178 PlacesAfterwards, 3887 TransitionsBefore, 3887 TransitionsAfterwards, 2854 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5240.7ms, 1205 PlacesBefore, 1204 PlacesAfterwards, 4007 TransitionsBefore, 4007 TransitionsAfterwards, 3088 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5268.0ms, 1214 PlacesBefore, 1213 PlacesAfterwards, 4006 TransitionsBefore, 4006 TransitionsAfterwards, 3088 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5392.9ms, 1233 PlacesBefore, 1232 PlacesAfterwards, 4132 TransitionsBefore, 4132 TransitionsAfterwards, 3246 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5636.8ms, 1246 PlacesBefore, 1245 PlacesAfterwards, 4131 TransitionsBefore, 4131 TransitionsAfterwards, 3246 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5678.2ms, 1253 PlacesBefore, 1252 PlacesAfterwards, 4130 TransitionsBefore, 4130 TransitionsAfterwards, 3246 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5489.9ms, 1276 PlacesBefore, 1275 PlacesAfterwards, 4130 TransitionsBefore, 4130 TransitionsAfterwards, 3246 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5684.4ms, 1283 PlacesBefore, 1281 PlacesAfterwards, 4138 TransitionsBefore, 4138 TransitionsAfterwards, 3248 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5842.2ms, 1308 PlacesBefore, 1307 PlacesAfterwards, 4187 TransitionsBefore, 4187 TransitionsAfterwards, 3336 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5678.5ms, 1319 PlacesBefore, 1318 PlacesAfterwards, 4187 TransitionsBefore, 4187 TransitionsAfterwards, 3340 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5949.0ms, 1345 PlacesBefore, 1344 PlacesAfterwards, 4264 TransitionsBefore, 4264 TransitionsAfterwards, 3454 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5797.1ms, 1351 PlacesBefore, 1350 PlacesAfterwards, 4263 TransitionsBefore, 4263 TransitionsAfterwards, 3454 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6073.1ms, 1374 PlacesBefore, 1371 PlacesAfterwards, 4258 TransitionsBefore, 4258 TransitionsAfterwards, 3426 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 871, Positive cache size: 840, Positive conditional cache size: 0, Positive unconditional cache size: 840, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - TimeoutResultAtElement [Line: 79]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 79). Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (14states, 26/70 universal loopers) in iteration 84,while PetriNetUnfolder was constructing finite prefix that currently has 82265 conditions, 4105 events (2235/4104 cut-off events. For 512638/512652 co-relation queries the response was YES. Maximal size of possible extension queue 956. Compared 35077 event pairs, 232 based on Foata normal form. 10/4927 useless extension candidates. Maximal degree in co-relation 81835. Up to 3495 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 7.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 815866.9ms, OverallIterations: 84, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 624769.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 609.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 3270 SDtfs, 4470 SDslu, 4174 SDs, 0 SdLazy, 86967 SolverSat, 2290 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26948.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2695 GetRequests, 23 SyntacticMatches, 181 SemanticMatches, 2491 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15976 ImplicationChecksByTransitivity, 35998.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=141379occurred in iteration=83, InterpolantAutomatonStates: 2303, 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: 41.6ms SsaConstructionTime, 214.9ms SatisfiabilityAnalysisTime, 11752.9ms InterpolantComputationTime, 1919 NumberOfCodeBlocks, 1919 NumberOfCodeBlocksAsserted, 84 NumberOfCheckSat, 1835 ConstructedInterpolants, 0 QuantifiedInterpolants, 21915 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 84 InterpolantComputations, 84 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 could not prove your program: Timeout Completed graceful shutdown