/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp3x3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 19:52:00,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 19:52:00,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 19:52:00,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 19:52:00,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 19:52:00,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 19:52:00,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 19:52:00,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 19:52:00,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 19:52:00,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 19:52:00,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 19:52:00,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 19:52:00,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 19:52:00,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 19:52:00,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 19:52:00,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 19:52:00,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 19:52:00,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 19:52:00,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 19:52:00,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 19:52:00,138 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 19:52:00,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 19:52:00,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 19:52:00,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 19:52:00,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-11 19:52:00,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-11 19:52:00,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-11 19:52:00,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-11 19:52:00,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-11 19:52:00,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-11 19:52:00,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 19:52:00,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 19:52:00,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 19:52:00,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 19:52:00,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 19:52:00,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 19:52:00,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 19:52:00,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 19:52:00,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 19:52:00,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 19:52:00,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 19:52:00,154 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-06-11 19:52:00,180 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 19:52:00,180 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 19:52:00,182 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 19:52:00,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 19:52:00,182 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 19:52:00,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 19:52:00,183 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 19:52:00,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 19:52:00,183 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 19:52:00,183 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 19:52:00,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 19:52:00,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 19:52:00,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 19:52:00,184 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 19:52:00,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 19:52:00,184 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 19:52:00,184 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 19:52:00,184 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 19:52:00,185 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 19:52:00,185 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 19:52:00,185 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 19:52:00,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 19:52:00,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 19:52:00,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 19:52:00,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 19:52:00,185 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 19:52:00,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 19:52:00,186 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-06-11 19:52:00,186 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 19:52:00,186 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 19:52:00,186 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 19:52:00,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 19:52:00,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 19:52:00,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 19:52:00,453 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-11 19:52:00,454 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-11 19:52:00,454 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp3x3.wvr.bpl [2021-06-11 19:52:00,454 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp3x3.wvr.bpl' [2021-06-11 19:52:00,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 19:52:00,538 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-11 19:52:00,538 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 19:52:00,538 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 19:52:00,538 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 19:52:00,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 07:52:00" (1/1) ... [2021-06-11 19:52:00,551 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 07:52:00" (1/1) ... [2021-06-11 19:52:00,556 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 19:52:00,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 19:52:00,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 19:52:00,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 19:52:00,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 07:52:00" (1/1) ... [2021-06-11 19:52:00,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 07:52:00" (1/1) ... [2021-06-11 19:52:00,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 07:52:00" (1/1) ... [2021-06-11 19:52:00,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 07:52:00" (1/1) ... [2021-06-11 19:52:00,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 07:52:00" (1/1) ... [2021-06-11 19:52:00,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 07:52:00" (1/1) ... [2021-06-11 19:52:00,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 07:52:00" (1/1) ... [2021-06-11 19:52:00,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 19:52:00,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 19:52:00,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 19:52:00,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 19:52:00,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 07:52:00" (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 19:52:00,631 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-11 19:52:00,631 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-11 19:52:00,632 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-11 19:52:00,632 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-11 19:52:00,632 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-11 19:52:00,632 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-11 19:52:00,632 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-11 19:52:00,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 19:52:00,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 19:52:00,632 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-11 19:52:00,632 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-11 19:52:00,633 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-11 19:52:00,633 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-11 19:52:00,633 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-11 19:52:00,633 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-11 19:52:00,633 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-06-11 19:52:00,633 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-06-11 19:52:00,633 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-06-11 19:52:00,633 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2021-06-11 19:52:00,633 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-06-11 19:52:00,633 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-06-11 19:52:00,634 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 19:52:00,760 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 19:52:00,760 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-11 19:52:00,761 INFO L202 PluginConnector]: Adding new model exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 07:52:00 BoogieIcfgContainer [2021-06-11 19:52:00,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 19:52:00,762 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 19:52:00,762 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 19:52:00,764 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 19:52:00,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 07:52:00" (1/2) ... [2021-06-11 19:52:00,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55fc9b05 and model type exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 07:52:00, skipping insertion in model container [2021-06-11 19:52:00,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 07:52:00" (2/2) ... [2021-06-11 19:52:00,766 INFO L111 eAbstractionObserver]: Analyzing ICFG exp3x3.wvr.bpl [2021-06-11 19:52:00,770 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 19:52:00,772 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-06-11 19:52:00,773 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 19:52:00,836 INFO L149 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2021-06-11 19:52:00,847 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-06-11 19:52:00,860 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 19:52:00,860 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 19:52:00,860 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 19:52:00,860 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 19:52:00,860 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 19:52:00,860 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 19:52:00,860 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 19:52:00,860 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 19:52:00,867 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 47 transitions, 142 flow [2021-06-11 19:52:00,889 INFO L129 PetriNetUnfolder]: 6/41 cut-off events. [2021-06-11 19:52:00,889 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-06-11 19:52:00,893 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 41 events. 6/41 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 80 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2021-06-11 19:52:00,893 INFO L82 GeneralOperation]: Start removeDead. Operand has 60 places, 47 transitions, 142 flow [2021-06-11 19:52:00,896 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 52 places, 39 transitions, 114 flow [2021-06-11 19:52:00,897 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:52:00,906 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 39 transitions, 114 flow [2021-06-11 19:52:00,908 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 39 transitions, 114 flow [2021-06-11 19:52:00,909 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 39 transitions, 114 flow [2021-06-11 19:52:00,924 INFO L129 PetriNetUnfolder]: 6/39 cut-off events. [2021-06-11 19:52:00,925 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-06-11 19:52:00,926 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 39 events. 6/39 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 75 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2021-06-11 19:52:00,929 INFO L151 LiptonReduction]: Number of co-enabled transitions 720 [2021-06-11 19:52:00,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:00,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,116 INFO L163 LiptonReduction]: Checked pairs total: 300 [2021-06-11 19:52:01,116 INFO L165 LiptonReduction]: Total number of compositions: 13 [2021-06-11 19:52:01,118 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 222 [2021-06-11 19:52:01,127 INFO L129 PetriNetUnfolder]: 6/25 cut-off events. [2021-06-11 19:52:01,127 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-06-11 19:52:01,127 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:52:01,127 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:52:01,128 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:52:01,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:52:01,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1010826407, now seen corresponding path program 1 times [2021-06-11 19:52:01,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:52:01,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199233329] [2021-06-11 19:52:01,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:52:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:52:01,229 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-06-11 19:52:01,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:01,242 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 19:52:01,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199233329] [2021-06-11 19:52:01,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:52:01,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 19:52:01,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357112261] [2021-06-11 19:52:01,249 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 19:52:01,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:52:01,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 19:52:01,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 19:52:01,261 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 60 [2021-06-11 19:52:01,262 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 26 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:01,263 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:52:01,263 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 60 [2021-06-11 19:52:01,263 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:52:01,313 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([146] L44-->L44: Formula: (and (< v_x4_12 v_n_19) (= v_x4_11 (* v_x4_12 2))) InVars {n=v_n_19, x4=v_x4_12} OutVars{n=v_n_19, x4=v_x4_11} AuxVars[] AssignedVars[x4][17], [48#L44true, 64#true, 32#L72true, 35#L28true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, 40#L36true, thread3Thread1of1ForFork1InUse, 41#L20true, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3NotInUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,313 INFO L384 tUnfolder$Statistics]: this new event has 7 ancestors and is cut-off event [2021-06-11 19:52:01,313 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-06-11 19:52:01,313 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-06-11 19:52:01,313 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-06-11 19:52:01,325 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][23], [64#true, 35#L28true, 40#L36true, 41#L20true, 15#L73true, 48#L44true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,325 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,326 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,326 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,326 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,330 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([146] L44-->L44: Formula: (and (< v_x4_12 v_n_19) (= v_x4_11 (* v_x4_12 2))) InVars {n=v_n_19, x4=v_x4_12} OutVars{n=v_n_19, x4=v_x4_11} AuxVars[] AssignedVars[x4][17], [64#true, 32#L72true, 48#L44true, 18#thread1EXITtrue, 35#L28true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, 40#L36true, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3NotInUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,330 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,330 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,330 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,330 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,330 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][23], [64#true, 35#L28true, 40#L36true, 15#L73true, 48#L44true, 18#thread1EXITtrue, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,330 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,330 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,330 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,330 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,334 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([142] L44-->thread4EXIT: Formula: (not (< v_x4_7 v_n_13)) InVars {n=v_n_13, x4=v_x4_7} OutVars{n=v_n_13, x4=v_x4_7} AuxVars[] AssignedVars[][18], [32#L72true, 64#true, 35#L28true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, 40#L36true, thread3Thread1of1ForFork1InUse, 41#L20true, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3NotInUse, 44#thread4EXITtrue, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,335 INFO L384 tUnfolder$Statistics]: this new event has 7 ancestors and is not cut-off event [2021-06-11 19:52:01,335 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is not cut-off event [2021-06-11 19:52:01,335 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is not cut-off event [2021-06-11 19:52:01,335 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is not cut-off event [2021-06-11 19:52:01,340 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][23], [64#true, 35#L28true, 40#L36true, 41#L20true, 15#L73true, 48#L44true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,340 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,340 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,340 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,340 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,341 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,341 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][22], [64#true, 35#L28true, 40#L36true, 41#L20true, 9#thread5EXITtrue, 15#L73true, 48#L44true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,341 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,341 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,341 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,341 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,351 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 35#L28true, 37#thread6EXITtrue, 40#L36true, 41#L20true, 48#L44true, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,351 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,351 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,351 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,351 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,352 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 35#L28true, 40#L36true, 41#L20true, 43#L60true, 48#L44true, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,352 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,352 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,352 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,352 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,353 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 35#L28true, 40#L36true, 41#L20true, 43#L60true, 48#L44true, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,353 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,355 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,356 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,356 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,356 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,359 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 35#L28true, 40#L36true, 43#L60true, 48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,359 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,359 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,360 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,360 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,362 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([142] L44-->thread4EXIT: Formula: (not (< v_x4_7 v_n_13)) InVars {n=v_n_13, x4=v_x4_7} OutVars{n=v_n_13, x4=v_x4_7} AuxVars[] AssignedVars[][18], [64#true, 32#L72true, 18#thread1EXITtrue, 35#L28true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, 40#L36true, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3NotInUse, 44#thread4EXITtrue, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,362 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is not cut-off event [2021-06-11 19:52:01,362 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-06-11 19:52:01,362 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-06-11 19:52:01,362 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-06-11 19:52:01,367 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][23], [64#true, 35#L28true, 40#L36true, 15#L73true, 48#L44true, 18#thread1EXITtrue, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,367 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,367 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,367 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,367 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,367 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,367 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][22], [64#true, 35#L28true, 40#L36true, 9#thread5EXITtrue, 15#L73true, 48#L44true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,367 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,367 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,367 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,367 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,368 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 35#L28true, 37#thread6EXITtrue, 40#L36true, 48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,368 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,368 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,368 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,368 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,368 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 35#L28true, 40#L36true, 43#L60true, 48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,368 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,368 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,368 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,368 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,368 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,371 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][22], [64#true, 35#L28true, 40#L36true, 9#thread5EXITtrue, 41#L20true, 15#L73true, 48#L44true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,372 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is not cut-off event [2021-06-11 19:52:01,372 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-06-11 19:52:01,372 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-06-11 19:52:01,372 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-06-11 19:52:01,372 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-06-11 19:52:01,373 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][23], [64#true, 40#L36true, 41#L20true, 10#thread2EXITtrue, 15#L73true, 48#L44true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,373 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,373 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,373 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,373 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,373 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][22], [64#true, 40#L36true, 41#L20true, 9#thread5EXITtrue, 10#thread2EXITtrue, 15#L73true, 48#L44true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,373 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,373 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,373 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,373 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,374 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 40#L36true, 41#L20true, 10#thread2EXITtrue, 43#L60true, 48#L44true, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,374 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,374 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,374 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,374 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,380 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 35#L28true, 37#thread6EXITtrue, 40#L36true, 41#L20true, 48#L44true, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,380 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,380 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,380 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,380 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,380 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,380 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 35#L28true, 40#L36true, 41#L20true, 43#L60true, 48#L44true, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,381 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,381 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,381 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,381 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,381 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,381 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,382 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][23], [64#true, 40#L36true, 10#thread2EXITtrue, 15#L73true, 48#L44true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,382 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,382 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,383 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,383 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,383 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 40#L36true, 10#thread2EXITtrue, 43#L60true, 48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,383 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,384 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,384 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,384 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,385 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][22], [64#true, 35#L28true, 40#L36true, 9#thread5EXITtrue, 15#L73true, 48#L44true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,385 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is not cut-off event [2021-06-11 19:52:01,385 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-06-11 19:52:01,385 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-06-11 19:52:01,385 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-06-11 19:52:01,385 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-06-11 19:52:01,386 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][22], [64#true, 40#L36true, 9#thread5EXITtrue, 10#thread2EXITtrue, 15#L73true, 48#L44true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,386 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,386 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,386 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,386 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,392 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 35#L28true, 37#thread6EXITtrue, 40#L36true, 48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,392 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,392 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,392 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,392 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,392 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,392 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 35#L28true, 40#L36true, 43#L60true, 48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,393 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,393 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,393 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,393 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,393 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,393 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,395 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 35#L28true, 37#thread6EXITtrue, 40#L36true, 41#L20true, 48#L44true, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,395 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is not cut-off event [2021-06-11 19:52:01,395 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-06-11 19:52:01,395 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-06-11 19:52:01,395 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-06-11 19:52:01,395 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-06-11 19:52:01,395 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-06-11 19:52:01,396 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 37#thread6EXITtrue, 40#L36true, 41#L20true, 10#thread2EXITtrue, 48#L44true, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,396 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,396 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,396 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,396 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,398 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 37#thread6EXITtrue, 40#L36true, 41#L20true, 10#thread2EXITtrue, 48#L44true, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,398 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,398 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,398 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,398 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,398 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,399 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 40#L36true, 41#L20true, 10#thread2EXITtrue, 43#L60true, 48#L44true, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,399 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,399 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,399 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,399 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,402 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,403 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 35#L28true, 37#thread6EXITtrue, 41#L20true, 48#L44true, 49#thread3EXITtrue, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,403 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,403 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,404 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,404 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,404 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 35#L28true, 41#L20true, 43#L60true, 48#L44true, 49#thread3EXITtrue, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,405 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,405 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,405 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,405 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,409 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([137] thread2EXIT-->L76: Formula: (and (= 2 v_thread2Thread1of1ForFork0_thidvar0_4) (= 2 v_thread2Thread1of1ForFork0_thidvar1_4)) InVars {thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4} OutVars{thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][32], [64#true, 48#L44true, 50#L52true, 20#L76true, thread2Thread1of1ForFork0NotInUse, thread4Thread1of1ForFork2InUse, 40#L36true, thread3Thread1of1ForFork1InUse, 43#L60true, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5NotInUse]) [2021-06-11 19:52:01,409 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,409 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,409 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,409 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,409 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 37#thread6EXITtrue, 40#L36true, 10#thread2EXITtrue, 48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,409 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,409 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,409 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,409 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,410 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 40#L36true, 10#thread2EXITtrue, 43#L60true, 48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,410 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,410 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,410 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,410 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,410 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,414 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 35#L28true, 37#thread6EXITtrue, 40#L36true, 48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,414 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is not cut-off event [2021-06-11 19:52:01,414 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-06-11 19:52:01,414 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-06-11 19:52:01,414 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-06-11 19:52:01,414 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-06-11 19:52:01,414 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-06-11 19:52:01,414 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 37#thread6EXITtrue, 40#L36true, 10#thread2EXITtrue, 48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,414 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,414 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,414 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,414 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,415 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,415 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 35#L28true, 37#thread6EXITtrue, 48#L44true, 49#thread3EXITtrue, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,415 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,415 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,415 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,416 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,416 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 35#L28true, 43#L60true, 48#L44true, 49#thread3EXITtrue, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,416 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,416 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,416 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,416 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,421 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 37#thread6EXITtrue, 41#L20true, 10#thread2EXITtrue, 48#L44true, 49#thread3EXITtrue, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,421 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,421 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,421 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,421 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,421 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 41#L20true, 10#thread2EXITtrue, 43#L60true, 48#L44true, 49#thread3EXITtrue, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,422 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,422 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,422 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,422 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,428 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 37#thread6EXITtrue, 10#thread2EXITtrue, 48#L44true, 17#L74true, 49#thread3EXITtrue, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,428 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,428 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,428 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,428 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,428 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 10#thread2EXITtrue, 43#L60true, 48#L44true, 17#L74true, 49#thread3EXITtrue, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-06-11 19:52:01,428 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,429 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,429 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,429 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,443 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([137] thread2EXIT-->L76: Formula: (and (= 2 v_thread2Thread1of1ForFork0_thidvar0_4) (= 2 v_thread2Thread1of1ForFork0_thidvar1_4)) InVars {thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4} OutVars{thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][32], [64#true, 48#L44true, 50#L52true, 20#L76true, thread2Thread1of1ForFork0NotInUse, thread4Thread1of1ForFork2InUse, 40#L36true, thread3Thread1of1ForFork1InUse, 43#L60true, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5NotInUse]) [2021-06-11 19:52:01,443 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-06-11 19:52:01,443 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-06-11 19:52:01,444 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-06-11 19:52:01,444 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-06-11 19:52:01,444 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-06-11 19:52:01,452 INFO L129 PetriNetUnfolder]: 1069/1302 cut-off events. [2021-06-11 19:52:01,452 INFO L130 PetriNetUnfolder]: For 40/40 co-relation queries the response was YES. [2021-06-11 19:52:01,458 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2618 conditions, 1302 events. 1069/1302 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 3960 event pairs, 273 based on Foata normal form. 1/609 useless extension candidates. Maximal degree in co-relation 2584. Up to 1064 conditions per place. [2021-06-11 19:52:01,467 INFO L132 encePairwiseOnDemand]: 52/60 looper letters, 19 selfloop transitions, 7 changer transitions 0/38 dead transitions. [2021-06-11 19:52:01,467 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 38 transitions, 164 flow [2021-06-11 19:52:01,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 19:52:01,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 19:52:01,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 105 transitions. [2021-06-11 19:52:01,477 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5833333333333334 [2021-06-11 19:52:01,478 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 105 transitions. [2021-06-11 19:52:01,478 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 105 transitions. [2021-06-11 19:52:01,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:52:01,480 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 105 transitions. [2021-06-11 19:52:01,482 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:01,487 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 60.0) internal successors, (240), 4 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:01,487 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 60.0) internal successors, (240), 4 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:01,488 INFO L185 Difference]: Start difference. First operand has 39 places, 26 transitions, 88 flow. Second operand 3 states and 105 transitions. [2021-06-11 19:52:01,489 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 38 transitions, 164 flow [2021-06-11 19:52:01,495 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 38 transitions, 140 flow, removed 0 selfloop flow, removed 12 redundant places. [2021-06-11 19:52:01,497 INFO L241 Difference]: Finished difference. Result has 30 places, 32 transitions, 111 flow [2021-06-11 19:52:01,498 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=111, PETRI_PLACES=30, PETRI_TRANSITIONS=32} [2021-06-11 19:52:01,499 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, -9 predicate places. [2021-06-11 19:52:01,499 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:52:01,499 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 32 transitions, 111 flow [2021-06-11 19:52:01,499 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 32 transitions, 111 flow [2021-06-11 19:52:01,500 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 30 places, 32 transitions, 111 flow [2021-06-11 19:52:01,501 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([146] L44-->L44: Formula: (and (< v_x4_12 v_n_19) (= v_x4_11 (* v_x4_12 2))) InVars {n=v_n_19, x4=v_x4_12} OutVars{n=v_n_19, x4=v_x4_11} AuxVars[] AssignedVars[x4][1], [64#true, 48#L44true, 32#L72true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 40#L36true, 41#L20true]) [2021-06-11 19:52:01,501 INFO L384 tUnfolder$Statistics]: this new event has 7 ancestors and is cut-off event [2021-06-11 19:52:01,501 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-06-11 19:52:01,501 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-06-11 19:52:01,501 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-06-11 19:52:01,502 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][25], [48#L44true, 64#true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 40#L36true, 41#L20true, 15#L73true]) [2021-06-11 19:52:01,502 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,502 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,502 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,502 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,502 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][25], [64#true, 48#L44true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 40#L36true, 41#L20true, 15#L73true]) [2021-06-11 19:52:01,502 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,502 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,502 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,502 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,502 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,503 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][18], [64#true, 48#L44true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 40#L36true, 41#L20true, 43#L60true]) [2021-06-11 19:52:01,503 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,503 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,503 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,503 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,503 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][18], [48#L44true, 64#true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 40#L36true, 41#L20true, 43#L60true]) [2021-06-11 19:52:01,503 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,503 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,503 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,503 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,503 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,504 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][18], [48#L44true, 64#true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 40#L36true, 41#L20true, 43#L60true]) [2021-06-11 19:52:01,504 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,504 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,504 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,504 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,504 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,504 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,506 INFO L129 PetriNetUnfolder]: 41/79 cut-off events. [2021-06-11 19:52:01,506 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 19:52:01,507 INFO L84 FinitePrefix]: Finished finitePrefix Result has 138 conditions, 79 events. 41/79 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 124 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 102. Up to 44 conditions per place. [2021-06-11 19:52:01,507 INFO L151 LiptonReduction]: Number of co-enabled transitions 330 [2021-06-11 19:52:01,510 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:52:01,510 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:52:01,510 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-06-11 19:52:01,512 INFO L480 AbstractCegarLoop]: Abstraction has has 30 places, 32 transitions, 111 flow [2021-06-11 19:52:01,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:01,512 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:52:01,512 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:52:01,513 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-11 19:52:01,513 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:52:01,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:52:01,514 INFO L82 PathProgramCache]: Analyzing trace with hash -100339963, now seen corresponding path program 1 times [2021-06-11 19:52:01,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:52:01,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222807802] [2021-06-11 19:52:01,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:52:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:52:01,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:52:01,547 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-11 19:52:01,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:52:01,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:01,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222807802] [2021-06-11 19:52:01,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:52:01,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 19:52:01,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579889512] [2021-06-11 19:52:01,554 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 19:52:01,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:52:01,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 19:52:01,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-11 19:52:01,555 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-06-11 19:52:01,555 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 32 transitions, 111 flow. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:01,555 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:52:01,555 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-06-11 19:52:01,555 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:52:01,581 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([142] L44-->thread4EXIT: Formula: (not (< v_x4_7 v_n_13)) InVars {n=v_n_13, x4=v_x4_7} OutVars{n=v_n_13, x4=v_x4_7} AuxVars[] AssignedVars[][25], [32#L72true, 64#true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, 44#thread4EXITtrue]) [2021-06-11 19:52:01,581 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,581 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-06-11 19:52:01,581 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,581 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-06-11 19:52:01,581 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([146] L44-->L44: Formula: (and (< v_x4_12 v_n_19) (= v_x4_11 (* v_x4_12 2))) InVars {n=v_n_19, x4=v_x4_12} OutVars{n=v_n_19, x4=v_x4_11} AuxVars[] AssignedVars[x4][30], [32#L72true, 64#true, 48#L44true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true]) [2021-06-11 19:52:01,581 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,582 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-06-11 19:52:01,582 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-06-11 19:52:01,582 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,591 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([142] L44-->thread4EXIT: Formula: (not (< v_x4_7 v_n_13)) InVars {n=v_n_13, x4=v_x4_7} OutVars{n=v_n_13, x4=v_x4_7} AuxVars[] AssignedVars[][25], [32#L72true, 64#true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 44#thread4EXITtrue]) [2021-06-11 19:52:01,592 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,592 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,592 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,592 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,592 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([146] L44-->L44: Formula: (and (< v_x4_12 v_n_19) (= v_x4_11 (* v_x4_12 2))) InVars {n=v_n_19, x4=v_x4_12} OutVars{n=v_n_19, x4=v_x4_11} AuxVars[] AssignedVars[x4][30], [32#L72true, 48#L44true, 64#true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true]) [2021-06-11 19:52:01,592 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,592 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,592 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,592 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,593 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][34], [48#L44true, 64#true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, 9#thread5EXITtrue, 15#L73true]) [2021-06-11 19:52:01,593 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is not cut-off event [2021-06-11 19:52:01,593 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-06-11 19:52:01,593 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-06-11 19:52:01,593 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-06-11 19:52:01,593 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][34], [48#L44true, 64#true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 9#thread5EXITtrue, 15#L73true]) [2021-06-11 19:52:01,593 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,593 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,593 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,593 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,594 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][39], [48#L44true, 64#true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, 15#L73true]) [2021-06-11 19:52:01,594 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is not cut-off event [2021-06-11 19:52:01,594 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-06-11 19:52:01,594 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-06-11 19:52:01,594 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-06-11 19:52:01,594 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][39], [48#L44true, 64#true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 15#L73true]) [2021-06-11 19:52:01,594 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,594 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,594 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,594 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,594 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 40#L36true, 41#L20true]) [2021-06-11 19:52:01,594 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,594 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,594 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,595 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,595 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, 43#L60true]) [2021-06-11 19:52:01,595 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,595 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,595 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,595 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,595 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][34], [48#L44true, 64#true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 9#thread5EXITtrue, 41#L20true, 15#L73true]) [2021-06-11 19:52:01,595 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,595 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,595 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,595 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,595 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,595 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][39], [48#L44true, 64#true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, 15#L73true]) [2021-06-11 19:52:01,595 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,595 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,595 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,595 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,595 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,599 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][45], [48#L44true, 64#true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 71#(= x1 x2), 40#L36true, 41#L20true]) [2021-06-11 19:52:01,599 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,599 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,599 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,599 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,599 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][50], [48#L44true, 64#true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 71#(= x1 x2), 40#L36true, 41#L20true, 43#L60true]) [2021-06-11 19:52:01,599 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,599 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,599 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,599 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,602 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][51], [48#L44true, 64#true, 17#L74true, 18#thread1EXITtrue, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 72#(and (<= n x1) (= x2 x1)), 40#L36true, 43#L60true]) [2021-06-11 19:52:01,602 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,602 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,602 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,602 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,604 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][34], [48#L44true, 64#true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 9#thread5EXITtrue, 41#L20true, 10#thread2EXITtrue, 15#L73true]) [2021-06-11 19:52:01,604 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,604 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,604 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,604 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,604 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][39], [48#L44true, 64#true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, 10#thread2EXITtrue, 15#L73true]) [2021-06-11 19:52:01,604 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,604 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,604 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,605 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,606 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][34], [48#L44true, 64#true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 9#thread5EXITtrue, 15#L73true]) [2021-06-11 19:52:01,606 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,606 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,606 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,606 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,606 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,606 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([136] thread1EXIT-->L75: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_4 1) InVars {thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} AuxVars[] AssignedVars[][43], [48#L44true, 64#true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 39#L75true, 40#L36true, 43#L60true]) [2021-06-11 19:52:01,606 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,606 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,606 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,606 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,607 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][39], [48#L44true, 64#true, 18#thread1EXITtrue, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 15#L73true]) [2021-06-11 19:52:01,607 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,607 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,607 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,607 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,607 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,607 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 40#L36true]) [2021-06-11 19:52:01,607 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,607 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,607 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,607 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,607 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 43#L60true]) [2021-06-11 19:52:01,607 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,608 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,608 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,608 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,609 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 40#L36true, 41#L20true]) [2021-06-11 19:52:01,609 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is not cut-off event [2021-06-11 19:52:01,609 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-06-11 19:52:01,609 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-06-11 19:52:01,609 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-06-11 19:52:01,610 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-06-11 19:52:01,610 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 40#L36true, 41#L20true, 10#thread2EXITtrue]) [2021-06-11 19:52:01,610 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,610 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,610 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,610 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,610 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 40#L36true]) [2021-06-11 19:52:01,610 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,610 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,610 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,610 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,610 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,611 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, 43#L60true]) [2021-06-11 19:52:01,611 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is not cut-off event [2021-06-11 19:52:01,611 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-06-11 19:52:01,611 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-06-11 19:52:01,611 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-06-11 19:52:01,611 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-06-11 19:52:01,611 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, 10#thread2EXITtrue, 43#L60true]) [2021-06-11 19:52:01,611 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,611 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,611 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,611 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,612 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 43#L60true]) [2021-06-11 19:52:01,612 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,612 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,612 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,612 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,612 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,612 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 40#L36true, 41#L20true]) [2021-06-11 19:52:01,612 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,612 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,612 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,612 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,612 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,612 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,613 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, 43#L60true]) [2021-06-11 19:52:01,613 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,613 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,613 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,613 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,613 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,613 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,615 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][51], [48#L44true, 64#true, 17#L74true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 40#L36true, 72#(and (<= n x1) (= x2 x1)), 41#L20true, 10#thread2EXITtrue, 43#L60true]) [2021-06-11 19:52:01,615 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,616 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,616 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,616 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,617 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][50], [48#L44true, 64#true, 17#L74true, 49#thread3EXITtrue, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 71#(= x1 x2), 41#L20true, 43#L60true]) [2021-06-11 19:52:01,617 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,617 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,617 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,618 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,618 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][46], [48#L44true, 64#true, 17#L74true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 72#(and (<= n x1) (= x2 x1)), 40#L36true, 41#L20true, 10#thread2EXITtrue]) [2021-06-11 19:52:01,618 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,618 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,618 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,618 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,619 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][45], [48#L44true, 64#true, 49#thread3EXITtrue, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 71#(= x1 x2), 41#L20true]) [2021-06-11 19:52:01,619 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,619 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,619 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,619 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,619 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][46], [48#L44true, 64#true, 17#L74true, 18#thread1EXITtrue, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 72#(and (<= n x1) (= x2 x1)), 40#L36true]) [2021-06-11 19:52:01,619 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,619 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,619 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,619 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,622 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][51], [48#L44true, 64#true, 17#L74true, 18#thread1EXITtrue, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 40#L36true, 72#(and (<= n x1) (= x2 x1)), 10#thread2EXITtrue, 43#L60true]) [2021-06-11 19:52:01,622 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,623 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,623 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,623 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,624 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][51], [48#L44true, 64#true, 49#thread3EXITtrue, 17#L74true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 72#(and (<= n x1) (= x2 x1)), 43#L60true]) [2021-06-11 19:52:01,624 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,624 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,624 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,624 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,625 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([136] thread1EXIT-->L75: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_4 1) InVars {thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} AuxVars[] AssignedVars[][43], [48#L44true, 64#true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 39#L75true, 72#(and (<= n x1) (= x2 x1)), 40#L36true, 43#L60true]) [2021-06-11 19:52:01,625 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is not cut-off event [2021-06-11 19:52:01,625 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-06-11 19:52:01,625 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-06-11 19:52:01,625 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-06-11 19:52:01,625 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][46], [48#L44true, 64#true, 17#L74true, 18#thread1EXITtrue, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 72#(and (<= n x1) (= x2 x1)), 40#L36true, 10#thread2EXITtrue]) [2021-06-11 19:52:01,625 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,625 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,625 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,625 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,628 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][34], [48#L44true, 64#true, 18#thread1EXITtrue, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 9#thread5EXITtrue, 10#thread2EXITtrue, 15#L73true]) [2021-06-11 19:52:01,628 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,628 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,628 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,628 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,628 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][39], [48#L44true, 64#true, 50#L52true, 18#thread1EXITtrue, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 10#thread2EXITtrue, 15#L73true]) [2021-06-11 19:52:01,628 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,628 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,628 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,628 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,630 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 18#thread1EXITtrue, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 40#L36true, 10#thread2EXITtrue]) [2021-06-11 19:52:01,630 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,630 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,630 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,630 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,631 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 18#thread1EXITtrue, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 10#thread2EXITtrue, 43#L60true]) [2021-06-11 19:52:01,631 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,631 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,631 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,631 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,631 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 37#thread6EXITtrue, 40#L36true, 41#L20true, 10#thread2EXITtrue]) [2021-06-11 19:52:01,631 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,631 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,631 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,631 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,631 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,631 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, 10#thread2EXITtrue, 43#L60true]) [2021-06-11 19:52:01,631 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,632 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,632 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,632 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,632 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,633 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([136] thread1EXIT-->L75: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_4 1) InVars {thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} AuxVars[] AssignedVars[][43], [48#L44true, 64#true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 39#L75true, 40#L36true, 43#L60true]) [2021-06-11 19:52:01,633 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is not cut-off event [2021-06-11 19:52:01,633 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-06-11 19:52:01,633 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-06-11 19:52:01,633 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-06-11 19:52:01,633 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-06-11 19:52:01,634 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([136] thread1EXIT-->L75: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_4 1) InVars {thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} AuxVars[] AssignedVars[][43], [48#L44true, 64#true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 39#L75true, 40#L36true, 43#L60true]) [2021-06-11 19:52:01,634 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,634 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,634 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,634 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,634 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,634 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,635 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 40#L36true]) [2021-06-11 19:52:01,635 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,635 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,635 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,635 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,635 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,635 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,635 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 43#L60true]) [2021-06-11 19:52:01,635 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,635 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,635 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,635 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,635 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,635 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,637 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 49#thread3EXITtrue, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 41#L20true]) [2021-06-11 19:52:01,637 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,637 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,637 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,637 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,637 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 49#thread3EXITtrue, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 41#L20true, 43#L60true]) [2021-06-11 19:52:01,637 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,637 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,637 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,637 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,640 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][51], [48#L44true, 64#true, 49#thread3EXITtrue, 17#L74true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 72#(and (<= n x1) (= x2 x1)), 41#L20true, 10#thread2EXITtrue, 43#L60true]) [2021-06-11 19:52:01,640 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,640 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,640 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,640 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,642 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][46], [48#L44true, 64#true, 49#thread3EXITtrue, 17#L74true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 72#(and (<= n x1) (= x2 x1)), 41#L20true, 10#thread2EXITtrue]) [2021-06-11 19:52:01,642 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,642 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,642 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,642 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,642 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][46], [48#L44true, 64#true, 49#thread3EXITtrue, 17#L74true, 18#thread1EXITtrue, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 72#(and (<= n x1) (= x2 x1))]) [2021-06-11 19:52:01,642 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,642 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,643 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,643 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,646 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][51], [48#L44true, 64#true, 49#thread3EXITtrue, 17#L74true, 50#L52true, 18#thread1EXITtrue, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 72#(and (<= n x1) (= x2 x1)), 10#thread2EXITtrue, 43#L60true]) [2021-06-11 19:52:01,646 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,646 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,646 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,646 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,648 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([136] thread1EXIT-->L75: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_4 1) InVars {thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} AuxVars[] AssignedVars[][43], [48#L44true, 64#true, 49#thread3EXITtrue, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 39#L75true, 72#(and (<= n x1) (= x2 x1)), 43#L60true]) [2021-06-11 19:52:01,648 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-06-11 19:52:01,648 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-06-11 19:52:01,648 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-06-11 19:52:01,648 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-06-11 19:52:01,648 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][46], [48#L44true, 64#true, 49#thread3EXITtrue, 17#L74true, 18#thread1EXITtrue, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 72#(and (<= n x1) (= x2 x1)), 10#thread2EXITtrue]) [2021-06-11 19:52:01,648 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,648 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,649 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,649 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,652 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([136] thread1EXIT-->L75: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_4 1) InVars {thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} AuxVars[] AssignedVars[][43], [48#L44true, 64#true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 39#L75true, 40#L36true, 10#thread2EXITtrue, 43#L60true]) [2021-06-11 19:52:01,652 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-06-11 19:52:01,652 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-06-11 19:52:01,652 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-06-11 19:52:01,652 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-06-11 19:52:01,653 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([136] thread1EXIT-->L75: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_4 1) InVars {thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} AuxVars[] AssignedVars[][43], [48#L44true, 64#true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 39#L75true, 40#L36true, 10#thread2EXITtrue, 43#L60true]) [2021-06-11 19:52:01,653 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,653 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,653 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,653 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,653 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,653 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 50#L52true, 18#thread1EXITtrue, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 37#thread6EXITtrue, 40#L36true, 10#thread2EXITtrue]) [2021-06-11 19:52:01,653 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,653 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,653 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,654 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,654 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,654 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 50#L52true, 18#thread1EXITtrue, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 10#thread2EXITtrue, 43#L60true]) [2021-06-11 19:52:01,654 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,654 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,654 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,654 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,654 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,655 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 49#thread3EXITtrue, 17#L74true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 41#L20true, 10#thread2EXITtrue]) [2021-06-11 19:52:01,655 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,655 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,655 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,655 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,655 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 49#thread3EXITtrue, 17#L74true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 41#L20true, 10#thread2EXITtrue, 43#L60true]) [2021-06-11 19:52:01,655 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,655 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,655 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,656 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,658 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 49#thread3EXITtrue, 17#L74true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true]) [2021-06-11 19:52:01,658 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,658 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,658 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,658 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,658 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 49#thread3EXITtrue, 17#L74true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 43#L60true]) [2021-06-11 19:52:01,658 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,658 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,658 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,658 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,668 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 49#thread3EXITtrue, 50#L52true, 18#thread1EXITtrue, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 10#thread2EXITtrue]) [2021-06-11 19:52:01,668 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-11 19:52:01,668 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,668 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-11 19:52:01,668 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-11 19:52:01,668 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 49#thread3EXITtrue, 50#L52true, 18#thread1EXITtrue, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 10#thread2EXITtrue, 43#L60true]) [2021-06-11 19:52:01,668 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-11 19:52:01,668 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-11 19:52:01,668 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-11 19:52:01,668 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-11 19:52:01,682 INFO L129 PetriNetUnfolder]: 1684/2121 cut-off events. [2021-06-11 19:52:01,682 INFO L130 PetriNetUnfolder]: For 975/1414 co-relation queries the response was YES. [2021-06-11 19:52:01,685 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5206 conditions, 2121 events. 1684/2121 cut-off events. For 975/1414 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 7756 event pairs, 315 based on Foata normal form. 99/2089 useless extension candidates. Maximal degree in co-relation 5039. Up to 964 conditions per place. [2021-06-11 19:52:01,695 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 40 selfloop transitions, 7 changer transitions 0/59 dead transitions. [2021-06-11 19:52:01,696 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 59 transitions, 293 flow [2021-06-11 19:52:01,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 19:52:01,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 19:52:01,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 159 transitions. [2021-06-11 19:52:01,700 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6625 [2021-06-11 19:52:01,700 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 159 transitions. [2021-06-11 19:52:01,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 159 transitions. [2021-06-11 19:52:01,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:52:01,701 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 159 transitions. [2021-06-11 19:52:01,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:01,704 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 60.0) internal successors, (300), 5 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 19:52:01,704 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 60.0) internal successors, (300), 5 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 19:52:01,704 INFO L185 Difference]: Start difference. First operand has 30 places, 32 transitions, 111 flow. Second operand 4 states and 159 transitions. [2021-06-11 19:52:01,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 59 transitions, 293 flow [2021-06-11 19:52:01,706 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 59 transitions, 282 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 19:52:01,707 INFO L241 Difference]: Finished difference. Result has 34 places, 36 transitions, 151 flow [2021-06-11 19:52:01,707 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=151, PETRI_PLACES=34, PETRI_TRANSITIONS=36} [2021-06-11 19:52:01,707 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, -5 predicate places. [2021-06-11 19:52:01,707 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:52:01,707 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 36 transitions, 151 flow [2021-06-11 19:52:01,708 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 36 transitions, 151 flow [2021-06-11 19:52:01,708 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 36 transitions, 151 flow [2021-06-11 19:52:01,710 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([146] L44-->L44: Formula: (and (< v_x4_12 v_n_19) (= v_x4_11 (* v_x4_12 2))) InVars {n=v_n_19, x4=v_x4_12} OutVars{n=v_n_19, x4=v_x4_11} AuxVars[] AssignedVars[x4][3], [48#L44true, 32#L72true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1))]) [2021-06-11 19:52:01,710 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,710 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,710 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-06-11 19:52:01,710 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-06-11 19:52:01,711 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][29], [48#L44true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 15#L73true]) [2021-06-11 19:52:01,711 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,711 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,711 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,711 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,712 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][29], [48#L44true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 15#L73true]) [2021-06-11 19:52:01,712 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,712 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,712 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-11 19:52:01,712 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,712 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,712 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][22], [48#L44true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true]) [2021-06-11 19:52:01,712 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,713 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,713 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,713 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,713 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][22], [48#L44true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true]) [2021-06-11 19:52:01,713 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,713 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,713 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,713 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,713 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,714 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][22], [48#L44true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 71#(= x1 x2), 40#L36true, 41#L20true, Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true]) [2021-06-11 19:52:01,714 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,714 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,714 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,714 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,714 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][22], [48#L44true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true]) [2021-06-11 19:52:01,714 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,714 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,714 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,714 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,715 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:01,715 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,715 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([136] thread1EXIT-->L75: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_4 1) InVars {thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} AuxVars[] AssignedVars[][28], [48#L44true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 39#L75true, 40#L36true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true]) [2021-06-11 19:52:01,715 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,715 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,715 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,715 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,715 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([136] thread1EXIT-->L75: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_4 1) InVars {thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} AuxVars[] AssignedVars[][28], [48#L44true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 39#L75true, 40#L36true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true]) [2021-06-11 19:52:01,716 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,716 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,716 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,716 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:01,716 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:01,716 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([136] thread1EXIT-->L75: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_4 1) InVars {thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} AuxVars[] AssignedVars[][28], [48#L44true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 39#L75true, 40#L36true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true]) [2021-06-11 19:52:01,716 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is not cut-off event [2021-06-11 19:52:01,716 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-06-11 19:52:01,716 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-06-11 19:52:01,716 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-06-11 19:52:01,716 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-06-11 19:52:01,716 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-06-11 19:52:01,718 INFO L129 PetriNetUnfolder]: 83/146 cut-off events. [2021-06-11 19:52:01,718 INFO L130 PetriNetUnfolder]: For 51/75 co-relation queries the response was YES. [2021-06-11 19:52:01,719 INFO L84 FinitePrefix]: Finished finitePrefix Result has 333 conditions, 146 events. 83/146 cut-off events. For 51/75 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 365 event pairs, 5 based on Foata normal form. 8/135 useless extension candidates. Maximal degree in co-relation 284. Up to 80 conditions per place. [2021-06-11 19:52:01,721 INFO L151 LiptonReduction]: Number of co-enabled transitions 412 [2021-06-11 19:52:01,723 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:52:01,724 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:52:01,724 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-06-11 19:52:01,725 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 36 transitions, 151 flow [2021-06-11 19:52:01,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:01,725 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:52:01,725 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:52:01,725 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-11 19:52:01,725 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:52:01,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:52:01,726 INFO L82 PathProgramCache]: Analyzing trace with hash -1635724711, now seen corresponding path program 1 times [2021-06-11 19:52:01,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:52:01,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826548372] [2021-06-11 19:52:01,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:52:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:52:01,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:01,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,762 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:01,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826548372] [2021-06-11 19:52:01,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722924900] [2021-06-11 19:52:01,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 19:52:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:52:01,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-11 19:52:01,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 19:52:01,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:01,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:52:01,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 19:52:01,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:01,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:52:01,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 19:52:01,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:01,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:01,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:01,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:01,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:01,896 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-06-11 19:52:01,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:01,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:01,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:01,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 19:52:01,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-11 19:52:01,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746425782] [2021-06-11 19:52:01,918 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 19:52:01,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:52:01,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 19:52:01,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 19:52:01,922 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-06-11 19:52:01,922 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 36 transitions, 151 flow. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:01,922 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:52:01,922 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-06-11 19:52:01,922 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:52:02,007 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][67], [48#L44true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 40#L36true, 41#L20true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 78#(<= x4 x3)]) [2021-06-11 19:52:02,007 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:02,007 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:02,007 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:02,007 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:02,007 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][72], [48#L44true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, Black: 71#(= x1 x2), 43#L60true, Black: 72#(and (<= n x1) (= x2 x1)), 78#(<= x4 x3)]) [2021-06-11 19:52:02,007 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:02,007 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:02,008 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:02,008 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:02,030 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([136] thread1EXIT-->L75: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_4 1) InVars {thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} AuxVars[] AssignedVars[][64], [48#L44true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 39#L75true, 40#L36true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true, 78#(<= x4 x3)]) [2021-06-11 19:52:02,030 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-11 19:52:02,030 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:02,030 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:02,031 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:02,031 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][67], [48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 40#L36true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 78#(<= x4 x3)]) [2021-06-11 19:52:02,031 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-11 19:52:02,031 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:02,031 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:02,031 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:02,031 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][72], [48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true, 78#(<= x4 x3)]) [2021-06-11 19:52:02,031 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-11 19:52:02,031 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:02,031 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:02,031 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 19:52:02,190 INFO L129 PetriNetUnfolder]: 3675/4474 cut-off events. [2021-06-11 19:52:02,190 INFO L130 PetriNetUnfolder]: For 3697/4619 co-relation queries the response was YES. [2021-06-11 19:52:02,197 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13023 conditions, 4474 events. 3675/4474 cut-off events. For 3697/4619 co-relation queries the response was YES. Maximal size of possible extension queue 385. Compared 16134 event pairs, 689 based on Foata normal form. 119/4452 useless extension candidates. Maximal degree in co-relation 12912. Up to 2162 conditions per place. [2021-06-11 19:52:02,220 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 62 selfloop transitions, 8 changer transitions 0/82 dead transitions. [2021-06-11 19:52:02,220 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 82 transitions, 511 flow [2021-06-11 19:52:02,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 19:52:02,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 19:52:02,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 200 transitions. [2021-06-11 19:52:02,222 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2021-06-11 19:52:02,222 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 200 transitions. [2021-06-11 19:52:02,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 200 transitions. [2021-06-11 19:52:02,223 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:52:02,223 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 200 transitions. [2021-06-11 19:52:02,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 40.0) internal successors, (200), 5 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:02,225 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:02,225 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:02,225 INFO L185 Difference]: Start difference. First operand has 34 places, 36 transitions, 151 flow. Second operand 5 states and 200 transitions. [2021-06-11 19:52:02,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 82 transitions, 511 flow [2021-06-11 19:52:02,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 82 transitions, 500 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 19:52:02,230 INFO L241 Difference]: Finished difference. Result has 40 places, 41 transitions, 201 flow [2021-06-11 19:52:02,230 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=201, PETRI_PLACES=40, PETRI_TRANSITIONS=41} [2021-06-11 19:52:02,231 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1 predicate places. [2021-06-11 19:52:02,231 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:52:02,231 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 41 transitions, 201 flow [2021-06-11 19:52:02,231 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 41 transitions, 201 flow [2021-06-11 19:52:02,231 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 41 transitions, 201 flow [2021-06-11 19:52:02,239 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][27], [35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 40#L36true, 41#L20true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true, 78#(<= x4 x3), Black: 141#(and (<= (+ x4 1) n) (<= x4 x3)), 48#L44true, Black: 79#(<= (+ x4 1) n), 17#L74true, 50#L52true]) [2021-06-11 19:52:02,239 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-06-11 19:52:02,240 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 19:52:02,240 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:02,240 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-11 19:52:02,252 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([138] thread3EXIT-->L77: Formula: (and (= 3 v_thread3Thread1of1ForFork1_thidvar2_4) (= 3 v_thread3Thread1of1ForFork1_thidvar0_4) (= 3 v_thread3Thread1of1ForFork1_thidvar1_4)) InVars {thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][22], [48#L44true, Black: 78#(<= x4 x3), Black: 79#(<= (+ x4 1) n), 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true, 141#(and (<= (+ x4 1) n) (<= x4 x3)), 46#L77true]) [2021-06-11 19:52:02,252 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is not cut-off event [2021-06-11 19:52:02,252 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-06-11 19:52:02,253 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-06-11 19:52:02,253 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-06-11 19:52:02,253 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([138] thread3EXIT-->L77: Formula: (and (= 3 v_thread3Thread1of1ForFork1_thidvar2_4) (= 3 v_thread3Thread1of1ForFork1_thidvar0_4) (= 3 v_thread3Thread1of1ForFork1_thidvar1_4)) InVars {thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][22], [Black: 78#(<= x4 x3), Black: 79#(<= (+ x4 1) n), 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true, 44#thread4EXITtrue, 76#true, 46#L77true, Black: 141#(and (<= (+ x4 1) n) (<= x4 x3))]) [2021-06-11 19:52:02,253 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is not cut-off event [2021-06-11 19:52:02,253 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-06-11 19:52:02,253 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-06-11 19:52:02,253 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-06-11 19:52:02,256 INFO L129 PetriNetUnfolder]: 349/526 cut-off events. [2021-06-11 19:52:02,256 INFO L130 PetriNetUnfolder]: For 503/665 co-relation queries the response was YES. [2021-06-11 19:52:02,258 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1395 conditions, 526 events. 349/526 cut-off events. For 503/665 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1815 event pairs, 52 based on Foata normal form. 28/473 useless extension candidates. Maximal degree in co-relation 1287. Up to 363 conditions per place. [2021-06-11 19:52:02,264 INFO L151 LiptonReduction]: Number of co-enabled transitions 530 [2021-06-11 19:52:02,266 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:52:02,267 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:52:02,267 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 36 [2021-06-11 19:52:02,267 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 41 transitions, 201 flow [2021-06-11 19:52:02,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:02,268 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:52:02,268 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:52:02,485 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-06-11 19:52:02,485 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:52:02,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:52:02,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1474309732, now seen corresponding path program 1 times [2021-06-11 19:52:02,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:52:02,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224981489] [2021-06-11 19:52:02,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:52:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:52:02,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:52:02,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:02,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:02,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:02,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224981489] [2021-06-11 19:52:02,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345367262] [2021-06-11 19:52:02,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 19:52:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:52:02,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-11 19:52:02,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 19:52:02,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:02,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:02,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:02,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:02,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:02,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:02,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:02,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:02,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:02,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:02,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:02,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:02,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:02,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:02,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:02,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:02,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:02,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:02,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:02,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:02,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:02,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:02,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:02,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:02,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:02,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:02,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:02,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:02,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:02,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:02,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:02,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:02,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:02,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:52:02,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 19:52:02,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:02,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:52:02,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 19:52:02,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:02,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:02,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:02,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:02,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:02,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:02,637 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-06-11 19:52:02,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:02,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:02,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:02,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:02,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:02,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:02,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:02,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:02,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:02,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:02,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:02,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:02,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:02,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:02,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:02,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:02,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:02,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:02,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:02,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:02,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:02,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:02,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:02,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:02,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:02,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:02,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:02,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:02,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:02,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:02,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:02,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:02,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:02,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 19:52:02,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-06-11 19:52:02,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71586444] [2021-06-11 19:52:02,656 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 19:52:02,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:52:02,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 19:52:02,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 19:52:02,656 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-06-11 19:52:02,656 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 41 transitions, 201 flow. Second operand has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 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 19:52:02,657 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:52:02,657 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-06-11 19:52:02,657 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:52:02,995 INFO L129 PetriNetUnfolder]: 4563/5556 cut-off events. [2021-06-11 19:52:02,995 INFO L130 PetriNetUnfolder]: For 8094/9014 co-relation queries the response was YES. [2021-06-11 19:52:03,002 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18723 conditions, 5556 events. 4563/5556 cut-off events. For 8094/9014 co-relation queries the response was YES. Maximal size of possible extension queue 463. Compared 21376 event pairs, 1616 based on Foata normal form. 191/5591 useless extension candidates. Maximal degree in co-relation 18580. Up to 2787 conditions per place. [2021-06-11 19:52:03,032 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 67 selfloop transitions, 8 changer transitions 0/87 dead transitions. [2021-06-11 19:52:03,032 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 87 transitions, 598 flow [2021-06-11 19:52:03,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 19:52:03,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 19:52:03,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 199 transitions. [2021-06-11 19:52:03,033 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6633333333333333 [2021-06-11 19:52:03,033 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 199 transitions. [2021-06-11 19:52:03,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 199 transitions. [2021-06-11 19:52:03,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:52:03,034 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 199 transitions. [2021-06-11 19:52:03,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 39.8) internal successors, (199), 5 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:03,035 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:03,035 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:03,035 INFO L185 Difference]: Start difference. First operand has 40 places, 41 transitions, 201 flow. Second operand 5 states and 199 transitions. [2021-06-11 19:52:03,035 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 87 transitions, 598 flow [2021-06-11 19:52:03,042 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 87 transitions, 598 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 19:52:03,044 INFO L241 Difference]: Finished difference. Result has 46 places, 44 transitions, 251 flow [2021-06-11 19:52:03,044 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=201, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=251, PETRI_PLACES=46, PETRI_TRANSITIONS=44} [2021-06-11 19:52:03,044 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 7 predicate places. [2021-06-11 19:52:03,044 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:52:03,045 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 44 transitions, 251 flow [2021-06-11 19:52:03,045 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 44 transitions, 251 flow [2021-06-11 19:52:03,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 44 transitions, 251 flow [2021-06-11 19:52:03,067 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([138] thread3EXIT-->L77: Formula: (and (= 3 v_thread3Thread1of1ForFork1_thidvar2_4) (= 3 v_thread3Thread1of1ForFork1_thidvar0_4) (= 3 v_thread3Thread1of1ForFork1_thidvar1_4)) InVars {thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][23], [Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true, 76#true, 44#thread4EXITtrue, 46#L77true, Black: 141#(and (<= (+ x4 1) n) (<= x4 x3)), Black: 78#(<= x4 x3), Black: 79#(<= (+ x4 1) n), 146#true, 50#L52true, Black: 212#(and (<= (+ x2 1) n) (<= x2 x1)), Black: 149#(<= (+ x2 1) n)]) [2021-06-11 19:52:03,067 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is not cut-off event [2021-06-11 19:52:03,067 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-06-11 19:52:03,067 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-06-11 19:52:03,067 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-06-11 19:52:03,070 INFO L129 PetriNetUnfolder]: 396/595 cut-off events. [2021-06-11 19:52:03,070 INFO L130 PetriNetUnfolder]: For 920/1074 co-relation queries the response was YES. [2021-06-11 19:52:03,072 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1801 conditions, 595 events. 396/595 cut-off events. For 920/1074 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2085 event pairs, 47 based on Foata normal form. 16/534 useless extension candidates. Maximal degree in co-relation 1688. Up to 408 conditions per place. [2021-06-11 19:52:03,077 INFO L151 LiptonReduction]: Number of co-enabled transitions 602 [2021-06-11 19:52:03,080 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:52:03,080 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:52:03,080 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 36 [2021-06-11 19:52:03,082 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 44 transitions, 251 flow [2021-06-11 19:52:03,082 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 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 19:52:03,082 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:52:03,083 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:52:03,298 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 19:52:03,298 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:52:03,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:52:03,299 INFO L82 PathProgramCache]: Analyzing trace with hash 740815145, now seen corresponding path program 1 times [2021-06-11 19:52:03,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:52:03,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219982300] [2021-06-11 19:52:03,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:52:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:52:03,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:03,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:03,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:03,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:03,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:03,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:03,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:03,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219982300] [2021-06-11 19:52:03,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:52:03,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 19:52:03,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039811055] [2021-06-11 19:52:03,341 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 19:52:03,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:52:03,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 19:52:03,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 19:52:03,342 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-06-11 19:52:03,342 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 44 transitions, 251 flow. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:03,342 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:52:03,342 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-06-11 19:52:03,342 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:52:03,659 INFO L129 PetriNetUnfolder]: 4495/5494 cut-off events. [2021-06-11 19:52:03,659 INFO L130 PetriNetUnfolder]: For 13186/14181 co-relation queries the response was YES. [2021-06-11 19:52:03,670 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19993 conditions, 5494 events. 4495/5494 cut-off events. For 13186/14181 co-relation queries the response was YES. Maximal size of possible extension queue 463. Compared 21122 event pairs, 300 based on Foata normal form. 90/5417 useless extension candidates. Maximal degree in co-relation 19826. Up to 2705 conditions per place. [2021-06-11 19:52:03,699 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 81 selfloop transitions, 10 changer transitions 0/103 dead transitions. [2021-06-11 19:52:03,700 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 103 transitions, 823 flow [2021-06-11 19:52:03,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 19:52:03,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 19:52:03,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 199 transitions. [2021-06-11 19:52:03,701 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6633333333333333 [2021-06-11 19:52:03,701 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 199 transitions. [2021-06-11 19:52:03,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 199 transitions. [2021-06-11 19:52:03,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:52:03,701 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 199 transitions. [2021-06-11 19:52:03,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 39.8) internal successors, (199), 5 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:03,702 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:03,702 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:03,702 INFO L185 Difference]: Start difference. First operand has 46 places, 44 transitions, 251 flow. Second operand 5 states and 199 transitions. [2021-06-11 19:52:03,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 103 transitions, 823 flow [2021-06-11 19:52:03,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 103 transitions, 794 flow, removed 8 selfloop flow, removed 1 redundant places. [2021-06-11 19:52:03,714 INFO L241 Difference]: Finished difference. Result has 50 places, 49 transitions, 305 flow [2021-06-11 19:52:03,714 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=305, PETRI_PLACES=50, PETRI_TRANSITIONS=49} [2021-06-11 19:52:03,714 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 11 predicate places. [2021-06-11 19:52:03,714 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:52:03,715 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 49 transitions, 305 flow [2021-06-11 19:52:03,715 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 49 transitions, 305 flow [2021-06-11 19:52:03,715 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 49 transitions, 305 flow [2021-06-11 19:52:03,744 INFO L129 PetriNetUnfolder]: 371/569 cut-off events. [2021-06-11 19:52:03,744 INFO L130 PetriNetUnfolder]: For 866/1041 co-relation queries the response was YES. [2021-06-11 19:52:03,747 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1775 conditions, 569 events. 371/569 cut-off events. For 866/1041 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 2031 event pairs, 32 based on Foata normal form. 14/526 useless extension candidates. Maximal degree in co-relation 1654. Up to 391 conditions per place. [2021-06-11 19:52:03,753 INFO L151 LiptonReduction]: Number of co-enabled transitions 768 [2021-06-11 19:52:03,756 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:52:03,756 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:52:03,756 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42 [2021-06-11 19:52:03,757 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 49 transitions, 305 flow [2021-06-11 19:52:03,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:03,757 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:52:03,757 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:52:03,757 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-11 19:52:03,757 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:52:03,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:52:03,757 INFO L82 PathProgramCache]: Analyzing trace with hash -956742056, now seen corresponding path program 1 times [2021-06-11 19:52:03,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:52:03,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303182257] [2021-06-11 19:52:03,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:52:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:52:03,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:03,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:03,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:03,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:03,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:03,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:03,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:03,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303182257] [2021-06-11 19:52:03,788 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:52:03,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 19:52:03,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877881735] [2021-06-11 19:52:03,788 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 19:52:03,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:52:03,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 19:52:03,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 19:52:03,789 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-06-11 19:52:03,789 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 49 transitions, 305 flow. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:03,789 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:52:03,789 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-06-11 19:52:03,789 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:52:04,117 INFO L129 PetriNetUnfolder]: 5581/6863 cut-off events. [2021-06-11 19:52:04,117 INFO L130 PetriNetUnfolder]: For 19466/20399 co-relation queries the response was YES. [2021-06-11 19:52:04,131 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27050 conditions, 6863 events. 5581/6863 cut-off events. For 19466/20399 co-relation queries the response was YES. Maximal size of possible extension queue 564. Compared 25574 event pairs, 109 based on Foata normal form. 125/6818 useless extension candidates. Maximal degree in co-relation 26920. Up to 3392 conditions per place. [2021-06-11 19:52:04,170 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 115 selfloop transitions, 10 changer transitions 0/137 dead transitions. [2021-06-11 19:52:04,170 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 137 transitions, 1193 flow [2021-06-11 19:52:04,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 19:52:04,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 19:52:04,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 199 transitions. [2021-06-11 19:52:04,171 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6633333333333333 [2021-06-11 19:52:04,171 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 199 transitions. [2021-06-11 19:52:04,171 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 199 transitions. [2021-06-11 19:52:04,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:52:04,171 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 199 transitions. [2021-06-11 19:52:04,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 39.8) internal successors, (199), 5 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:04,213 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:04,213 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:04,214 INFO L185 Difference]: Start difference. First operand has 50 places, 49 transitions, 305 flow. Second operand 5 states and 199 transitions. [2021-06-11 19:52:04,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 137 transitions, 1193 flow [2021-06-11 19:52:04,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 137 transitions, 1142 flow, removed 16 selfloop flow, removed 1 redundant places. [2021-06-11 19:52:04,223 INFO L241 Difference]: Finished difference. Result has 55 places, 56 transitions, 355 flow [2021-06-11 19:52:04,223 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=355, PETRI_PLACES=55, PETRI_TRANSITIONS=56} [2021-06-11 19:52:04,224 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 16 predicate places. [2021-06-11 19:52:04,224 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:52:04,224 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 56 transitions, 355 flow [2021-06-11 19:52:04,224 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 56 transitions, 355 flow [2021-06-11 19:52:04,224 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 56 transitions, 355 flow [2021-06-11 19:52:04,259 INFO L129 PetriNetUnfolder]: 552/891 cut-off events. [2021-06-11 19:52:04,259 INFO L130 PetriNetUnfolder]: For 1507/1781 co-relation queries the response was YES. [2021-06-11 19:52:04,263 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3083 conditions, 891 events. 552/891 cut-off events. For 1507/1781 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 3969 event pairs, 65 based on Foata normal form. 30/803 useless extension candidates. Maximal degree in co-relation 2890. Up to 579 conditions per place. [2021-06-11 19:52:04,272 INFO L151 LiptonReduction]: Number of co-enabled transitions 1070 [2021-06-11 19:52:04,277 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:52:04,277 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:52:04,277 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 53 [2021-06-11 19:52:04,278 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 56 transitions, 355 flow [2021-06-11 19:52:04,278 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:04,278 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:52:04,278 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:52:04,278 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-11 19:52:04,278 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:52:04,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:52:04,278 INFO L82 PathProgramCache]: Analyzing trace with hash 500486519, now seen corresponding path program 1 times [2021-06-11 19:52:04,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:52:04,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869190307] [2021-06-11 19:52:04,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:52:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:52:04,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:04,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:04,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869190307] [2021-06-11 19:52:04,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:52:04,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 19:52:04,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349125131] [2021-06-11 19:52:04,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 19:52:04,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:52:04,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 19:52:04,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 19:52:04,318 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-06-11 19:52:04,319 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 56 transitions, 355 flow. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:04,319 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:52:04,319 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-06-11 19:52:04,319 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:52:04,676 INFO L129 PetriNetUnfolder]: 5467/6749 cut-off events. [2021-06-11 19:52:04,676 INFO L130 PetriNetUnfolder]: For 21282/22507 co-relation queries the response was YES. [2021-06-11 19:52:04,690 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30019 conditions, 6749 events. 5467/6749 cut-off events. For 21282/22507 co-relation queries the response was YES. Maximal size of possible extension queue 522. Compared 25164 event pairs, 109 based on Foata normal form. 137/6716 useless extension candidates. Maximal degree in co-relation 29880. Up to 3272 conditions per place. [2021-06-11 19:52:04,724 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 115 selfloop transitions, 8 changer transitions 0/135 dead transitions. [2021-06-11 19:52:04,724 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 135 transitions, 1175 flow [2021-06-11 19:52:04,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 19:52:04,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 19:52:04,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 198 transitions. [2021-06-11 19:52:04,725 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.66 [2021-06-11 19:52:04,725 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 198 transitions. [2021-06-11 19:52:04,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 198 transitions. [2021-06-11 19:52:04,725 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:52:04,725 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 198 transitions. [2021-06-11 19:52:04,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 39.6) internal successors, (198), 5 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:04,726 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:04,726 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:04,726 INFO L185 Difference]: Start difference. First operand has 55 places, 56 transitions, 355 flow. Second operand 5 states and 198 transitions. [2021-06-11 19:52:04,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 135 transitions, 1175 flow [2021-06-11 19:52:04,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 135 transitions, 1175 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 19:52:04,740 INFO L241 Difference]: Finished difference. Result has 60 places, 55 transitions, 369 flow [2021-06-11 19:52:04,740 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=341, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=369, PETRI_PLACES=60, PETRI_TRANSITIONS=55} [2021-06-11 19:52:04,741 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 21 predicate places. [2021-06-11 19:52:04,741 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:52:04,741 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 55 transitions, 369 flow [2021-06-11 19:52:04,741 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 55 transitions, 369 flow [2021-06-11 19:52:04,741 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 55 transitions, 369 flow [2021-06-11 19:52:04,769 INFO L129 PetriNetUnfolder]: 425/715 cut-off events. [2021-06-11 19:52:04,770 INFO L130 PetriNetUnfolder]: For 1288/1463 co-relation queries the response was YES. [2021-06-11 19:52:04,773 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2463 conditions, 715 events. 425/715 cut-off events. For 1288/1463 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 3117 event pairs, 44 based on Foata normal form. 26/648 useless extension candidates. Maximal degree in co-relation 2276. Up to 446 conditions per place. [2021-06-11 19:52:04,779 INFO L151 LiptonReduction]: Number of co-enabled transitions 1070 [2021-06-11 19:52:04,782 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:52:04,783 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:52:04,783 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42 [2021-06-11 19:52:04,783 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 55 transitions, 369 flow [2021-06-11 19:52:04,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:04,783 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:52:04,783 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:52:04,784 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-11 19:52:04,784 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:52:04,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:52:04,784 INFO L82 PathProgramCache]: Analyzing trace with hash -663879822, now seen corresponding path program 2 times [2021-06-11 19:52:04,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:52:04,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217808841] [2021-06-11 19:52:04,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:52:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:52:04,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:04,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:04,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:04,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217808841] [2021-06-11 19:52:04,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868641914] [2021-06-11 19:52:04,818 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 19:52:04,851 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 19:52:04,851 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 19:52:04,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-11 19:52:04,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 19:52:04,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:04,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:52:04,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 19:52:04,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:04,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:52:04,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 19:52:04,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:04,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:04,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:04,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:04,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:04,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:04,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:04,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:04,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:04,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:04,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:04,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:04,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:04,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:04,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:04,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:04,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:04,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:04,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:04,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:04,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:04,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:04,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:04,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:04,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:04,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:04,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:04,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:04,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:04,909 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-06-11 19:52:04,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:04,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:04,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:04,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:04,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:04,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:04,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:04,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:04,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:04,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 19:52:04,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-11 19:52:04,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009097479] [2021-06-11 19:52:04,913 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 19:52:04,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:52:04,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 19:52:04,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 19:52:04,913 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-06-11 19:52:04,914 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 55 transitions, 369 flow. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:04,914 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:52:04,914 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-06-11 19:52:04,914 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:52:05,290 INFO L129 PetriNetUnfolder]: 5221/6549 cut-off events. [2021-06-11 19:52:05,291 INFO L130 PetriNetUnfolder]: For 23415/24554 co-relation queries the response was YES. [2021-06-11 19:52:05,314 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30422 conditions, 6549 events. 5221/6549 cut-off events. For 23415/24554 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 25875 event pairs, 897 based on Foata normal form. 249/6624 useless extension candidates. Maximal degree in co-relation 30240. Up to 3272 conditions per place. [2021-06-11 19:52:05,358 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 112 selfloop transitions, 8 changer transitions 0/132 dead transitions. [2021-06-11 19:52:05,359 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 132 transitions, 1166 flow [2021-06-11 19:52:05,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 19:52:05,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 19:52:05,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 199 transitions. [2021-06-11 19:52:05,360 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6633333333333333 [2021-06-11 19:52:05,360 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 199 transitions. [2021-06-11 19:52:05,360 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 199 transitions. [2021-06-11 19:52:05,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:52:05,360 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 199 transitions. [2021-06-11 19:52:05,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 39.8) internal successors, (199), 5 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:05,361 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:05,361 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:05,361 INFO L185 Difference]: Start difference. First operand has 60 places, 55 transitions, 369 flow. Second operand 5 states and 199 transitions. [2021-06-11 19:52:05,361 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 132 transitions, 1166 flow [2021-06-11 19:52:05,377 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 132 transitions, 1159 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 19:52:05,378 INFO L241 Difference]: Finished difference. Result has 65 places, 58 transitions, 412 flow [2021-06-11 19:52:05,379 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=362, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=412, PETRI_PLACES=65, PETRI_TRANSITIONS=58} [2021-06-11 19:52:05,379 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 26 predicate places. [2021-06-11 19:52:05,379 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:52:05,379 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 58 transitions, 412 flow [2021-06-11 19:52:05,379 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 58 transitions, 412 flow [2021-06-11 19:52:05,380 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 58 transitions, 412 flow [2021-06-11 19:52:05,426 INFO L129 PetriNetUnfolder]: 544/907 cut-off events. [2021-06-11 19:52:05,426 INFO L130 PetriNetUnfolder]: For 1947/2194 co-relation queries the response was YES. [2021-06-11 19:52:05,433 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3366 conditions, 907 events. 544/907 cut-off events. For 1947/2194 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 4182 event pairs, 75 based on Foata normal form. 24/820 useless extension candidates. Maximal degree in co-relation 3155. Up to 577 conditions per place. [2021-06-11 19:52:05,445 INFO L151 LiptonReduction]: Number of co-enabled transitions 1186 [2021-06-11 19:52:05,449 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:52:05,450 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:52:05,450 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 71 [2021-06-11 19:52:05,450 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 58 transitions, 412 flow [2021-06-11 19:52:05,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:05,450 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:52:05,450 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:52:05,664 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 19:52:05,665 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:52:05,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:52:05,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1999294593, now seen corresponding path program 2 times [2021-06-11 19:52:05,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:52:05,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237098006] [2021-06-11 19:52:05,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:52:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:52:05,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:05,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:05,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:05,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:05,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:05,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:05,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:05,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237098006] [2021-06-11 19:52:05,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:52:05,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 19:52:05,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137944645] [2021-06-11 19:52:05,682 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 19:52:05,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:52:05,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 19:52:05,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 19:52:05,683 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-06-11 19:52:05,683 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 58 transitions, 412 flow. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:05,683 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:52:05,683 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-06-11 19:52:05,683 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:52:06,091 INFO L129 PetriNetUnfolder]: 6313/7875 cut-off events. [2021-06-11 19:52:06,091 INFO L130 PetriNetUnfolder]: For 25768/26908 co-relation queries the response was YES. [2021-06-11 19:52:06,110 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39155 conditions, 7875 events. 6313/7875 cut-off events. For 25768/26908 co-relation queries the response was YES. Maximal size of possible extension queue 532. Compared 30984 event pairs, 797 based on Foata normal form. 250/7957 useless extension candidates. Maximal degree in co-relation 38976. Up to 4363 conditions per place. [2021-06-11 19:52:06,155 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 115 selfloop transitions, 8 changer transitions 0/135 dead transitions. [2021-06-11 19:52:06,155 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 135 transitions, 1224 flow [2021-06-11 19:52:06,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 19:52:06,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 19:52:06,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 199 transitions. [2021-06-11 19:52:06,156 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6633333333333333 [2021-06-11 19:52:06,156 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 199 transitions. [2021-06-11 19:52:06,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 199 transitions. [2021-06-11 19:52:06,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:52:06,156 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 199 transitions. [2021-06-11 19:52:06,157 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 39.8) internal successors, (199), 5 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:06,157 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:06,157 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:06,157 INFO L185 Difference]: Start difference. First operand has 65 places, 58 transitions, 412 flow. Second operand 5 states and 199 transitions. [2021-06-11 19:52:06,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 135 transitions, 1224 flow [2021-06-11 19:52:06,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 135 transitions, 1215 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-06-11 19:52:06,232 INFO L241 Difference]: Finished difference. Result has 70 places, 61 transitions, 460 flow [2021-06-11 19:52:06,232 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=403, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=460, PETRI_PLACES=70, PETRI_TRANSITIONS=61} [2021-06-11 19:52:06,232 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 31 predicate places. [2021-06-11 19:52:06,232 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:52:06,232 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 61 transitions, 460 flow [2021-06-11 19:52:06,232 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 61 transitions, 460 flow [2021-06-11 19:52:06,233 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 61 transitions, 460 flow [2021-06-11 19:52:06,277 INFO L129 PetriNetUnfolder]: 672/1076 cut-off events. [2021-06-11 19:52:06,277 INFO L130 PetriNetUnfolder]: For 2801/3131 co-relation queries the response was YES. [2021-06-11 19:52:06,283 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4357 conditions, 1076 events. 672/1076 cut-off events. For 2801/3131 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 4804 event pairs, 97 based on Foata normal form. 22/974 useless extension candidates. Maximal degree in co-relation 4149. Up to 722 conditions per place. [2021-06-11 19:52:06,292 INFO L151 LiptonReduction]: Number of co-enabled transitions 1302 [2021-06-11 19:52:06,296 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:52:06,296 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:52:06,296 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 64 [2021-06-11 19:52:06,297 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 61 transitions, 460 flow [2021-06-11 19:52:06,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:06,297 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:52:06,297 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:52:06,297 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-11 19:52:06,297 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:52:06,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:52:06,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1627534553, now seen corresponding path program 2 times [2021-06-11 19:52:06,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:52:06,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647975461] [2021-06-11 19:52:06,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:52:06,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:52:06,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:06,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:06,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647975461] [2021-06-11 19:52:06,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:52:06,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 19:52:06,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198378292] [2021-06-11 19:52:06,324 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 19:52:06,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:52:06,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 19:52:06,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 19:52:06,325 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-06-11 19:52:06,325 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 61 transitions, 460 flow. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:06,325 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:52:06,325 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-06-11 19:52:06,325 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:52:06,689 INFO L129 PetriNetUnfolder]: 5321/6704 cut-off events. [2021-06-11 19:52:06,689 INFO L130 PetriNetUnfolder]: For 32263/33493 co-relation queries the response was YES. [2021-06-11 19:52:06,708 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34455 conditions, 6704 events. 5321/6704 cut-off events. For 32263/33493 co-relation queries the response was YES. Maximal size of possible extension queue 443. Compared 27997 event pairs, 151 based on Foata normal form. 149/6683 useless extension candidates. Maximal degree in co-relation 34220. Up to 3368 conditions per place. [2021-06-11 19:52:06,742 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 127 selfloop transitions, 9 changer transitions 0/148 dead transitions. [2021-06-11 19:52:06,743 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 148 transitions, 1502 flow [2021-06-11 19:52:06,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 19:52:06,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 19:52:06,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 198 transitions. [2021-06-11 19:52:06,744 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.66 [2021-06-11 19:52:06,744 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 198 transitions. [2021-06-11 19:52:06,744 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 198 transitions. [2021-06-11 19:52:06,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:52:06,744 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 198 transitions. [2021-06-11 19:52:06,744 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 39.6) internal successors, (198), 5 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:06,745 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:06,745 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:06,745 INFO L185 Difference]: Start difference. First operand has 70 places, 61 transitions, 460 flow. Second operand 5 states and 198 transitions. [2021-06-11 19:52:06,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 148 transitions, 1502 flow [2021-06-11 19:52:06,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 148 transitions, 1441 flow, removed 24 selfloop flow, removed 1 redundant places. [2021-06-11 19:52:06,796 INFO L241 Difference]: Finished difference. Result has 74 places, 60 transitions, 458 flow [2021-06-11 19:52:06,796 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=425, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=458, PETRI_PLACES=74, PETRI_TRANSITIONS=60} [2021-06-11 19:52:06,796 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 35 predicate places. [2021-06-11 19:52:06,796 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:52:06,796 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 60 transitions, 458 flow [2021-06-11 19:52:06,796 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 60 transitions, 458 flow [2021-06-11 19:52:06,797 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 60 transitions, 458 flow [2021-06-11 19:52:06,838 INFO L129 PetriNetUnfolder]: 508/844 cut-off events. [2021-06-11 19:52:06,838 INFO L130 PetriNetUnfolder]: For 2047/2254 co-relation queries the response was YES. [2021-06-11 19:52:06,842 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3339 conditions, 844 events. 508/844 cut-off events. For 2047/2254 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 3795 event pairs, 81 based on Foata normal form. 20/779 useless extension candidates. Maximal degree in co-relation 3145. Up to 534 conditions per place. [2021-06-11 19:52:06,851 INFO L151 LiptonReduction]: Number of co-enabled transitions 1306 [2021-06-11 19:52:06,856 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:52:06,856 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:52:06,856 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 60 [2021-06-11 19:52:06,856 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 60 transitions, 458 flow [2021-06-11 19:52:06,856 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:06,856 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:52:06,856 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:52:06,857 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-11 19:52:06,857 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:52:06,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:52:06,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1940362611, now seen corresponding path program 2 times [2021-06-11 19:52:06,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:52:06,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010889254] [2021-06-11 19:52:06,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:52:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:52:06,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:06,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:06,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:06,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010889254] [2021-06-11 19:52:06,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071744199] [2021-06-11 19:52:06,875 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 19:52:06,917 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 19:52:06,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 19:52:06,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-11 19:52:06,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 19:52:06,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:06,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:52:06,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 19:52:06,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:06,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:52:06,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 19:52:06,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:06,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:06,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:06,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:06,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:06,949 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-06-11 19:52:06,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:06,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:06,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:06,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:06,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:06,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:06,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:06,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:06,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:06,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:06,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:06,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:06,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:06,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:06,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:06,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:06,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:06,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:06,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:06,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:06,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:06,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:06,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:06,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:06,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 19:52:06,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-11 19:52:06,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666444709] [2021-06-11 19:52:06,959 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 19:52:06,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:52:06,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 19:52:06,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 19:52:06,960 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-06-11 19:52:06,960 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 60 transitions, 458 flow. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:06,960 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:52:06,960 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-06-11 19:52:06,960 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:52:07,350 INFO L129 PetriNetUnfolder]: 6433/7992 cut-off events. [2021-06-11 19:52:07,350 INFO L130 PetriNetUnfolder]: For 36199/37678 co-relation queries the response was YES. [2021-06-11 19:52:07,371 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41909 conditions, 7992 events. 6433/7992 cut-off events. For 36199/37678 co-relation queries the response was YES. Maximal size of possible extension queue 513. Compared 31731 event pairs, 1471 based on Foata normal form. 252/8087 useless extension candidates. Maximal degree in co-relation 41736. Up to 4421 conditions per place. [2021-06-11 19:52:07,404 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 126 selfloop transitions, 8 changer transitions 0/146 dead transitions. [2021-06-11 19:52:07,404 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 146 transitions, 1437 flow [2021-06-11 19:52:07,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 19:52:07,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 19:52:07,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 199 transitions. [2021-06-11 19:52:07,405 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6633333333333333 [2021-06-11 19:52:07,405 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 199 transitions. [2021-06-11 19:52:07,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 199 transitions. [2021-06-11 19:52:07,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:52:07,405 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 199 transitions. [2021-06-11 19:52:07,406 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 39.8) internal successors, (199), 5 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:07,406 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:07,406 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:07,406 INFO L185 Difference]: Start difference. First operand has 74 places, 60 transitions, 458 flow. Second operand 5 states and 199 transitions. [2021-06-11 19:52:07,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 146 transitions, 1437 flow [2021-06-11 19:52:07,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 146 transitions, 1428 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-06-11 19:52:07,447 INFO L241 Difference]: Finished difference. Result has 79 places, 63 transitions, 499 flow [2021-06-11 19:52:07,447 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=449, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=499, PETRI_PLACES=79, PETRI_TRANSITIONS=63} [2021-06-11 19:52:07,447 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 40 predicate places. [2021-06-11 19:52:07,447 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:52:07,447 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 63 transitions, 499 flow [2021-06-11 19:52:07,448 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 63 transitions, 499 flow [2021-06-11 19:52:07,448 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 63 transitions, 499 flow [2021-06-11 19:52:07,508 INFO L129 PetriNetUnfolder]: 883/1328 cut-off events. [2021-06-11 19:52:07,508 INFO L130 PetriNetUnfolder]: For 3874/4224 co-relation queries the response was YES. [2021-06-11 19:52:07,514 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5680 conditions, 1328 events. 883/1328 cut-off events. For 3874/4224 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 5761 event pairs, 142 based on Foata normal form. 27/1243 useless extension candidates. Maximal degree in co-relation 5463. Up to 959 conditions per place. [2021-06-11 19:52:07,525 INFO L151 LiptonReduction]: Number of co-enabled transitions 1436 [2021-06-11 19:52:07,529 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:52:07,529 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:52:07,530 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 83 [2021-06-11 19:52:07,530 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 63 transitions, 499 flow [2021-06-11 19:52:07,530 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:07,530 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:52:07,530 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:52:07,746 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 19:52:07,747 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:52:07,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:52:07,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1535541411, now seen corresponding path program 2 times [2021-06-11 19:52:07,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:52:07,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118946580] [2021-06-11 19:52:07,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:52:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:52:07,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:52:07,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:07,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:07,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:07,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118946580] [2021-06-11 19:52:07,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983756898] [2021-06-11 19:52:07,767 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 19:52:07,792 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 19:52:07,792 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 19:52:07,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-11 19:52:07,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 19:52:07,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:07,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:07,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:07,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:07,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:07,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:07,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:07,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:07,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:07,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:07,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:07,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:07,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:07,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:07,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:07,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:07,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:07,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:07,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:07,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:07,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:07,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:07,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:07,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:07,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:07,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:07,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:07,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:07,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:07,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:52:07,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 19:52:07,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:07,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:52:07,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 19:52:07,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:07,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:07,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:07,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:07,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:07,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:07,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:07,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:07,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:07,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:07,821 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-06-11 19:52:07,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:07,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:07,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:07,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:07,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:07,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:07,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:07,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:07,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:07,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:07,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:07,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:07,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:07,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:07,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:07,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:07,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:07,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:07,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:07,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:07,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:07,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:07,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:07,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:07,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:07,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:07,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:07,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:07,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:07,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:07,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:07,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:07,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:07,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 19:52:07,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-06-11 19:52:07,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342274692] [2021-06-11 19:52:07,834 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 19:52:07,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:52:07,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 19:52:07,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 19:52:07,835 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-06-11 19:52:07,835 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 63 transitions, 499 flow. Second operand has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 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 19:52:07,835 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:52:07,835 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-06-11 19:52:07,835 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:52:08,297 INFO L129 PetriNetUnfolder]: 7777/9633 cut-off events. [2021-06-11 19:52:08,298 INFO L130 PetriNetUnfolder]: For 48872/50159 co-relation queries the response was YES. [2021-06-11 19:52:08,323 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52889 conditions, 9633 events. 7777/9633 cut-off events. For 48872/50159 co-relation queries the response was YES. Maximal size of possible extension queue 597. Compared 39090 event pairs, 2558 based on Foata normal form. 328/9807 useless extension candidates. Maximal degree in co-relation 52704. Up to 5333 conditions per place. [2021-06-11 19:52:08,360 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 146 selfloop transitions, 8 changer transitions 0/166 dead transitions. [2021-06-11 19:52:08,361 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 166 transitions, 1711 flow [2021-06-11 19:52:08,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 19:52:08,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 19:52:08,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 199 transitions. [2021-06-11 19:52:08,361 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6633333333333333 [2021-06-11 19:52:08,361 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 199 transitions. [2021-06-11 19:52:08,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 199 transitions. [2021-06-11 19:52:08,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:52:08,362 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 199 transitions. [2021-06-11 19:52:08,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 39.8) internal successors, (199), 5 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:08,362 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:08,362 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:08,363 INFO L185 Difference]: Start difference. First operand has 79 places, 63 transitions, 499 flow. Second operand 5 states and 199 transitions. [2021-06-11 19:52:08,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 166 transitions, 1711 flow [2021-06-11 19:52:08,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 166 transitions, 1633 flow, removed 28 selfloop flow, removed 2 redundant places. [2021-06-11 19:52:08,443 INFO L241 Difference]: Finished difference. Result has 83 places, 66 transitions, 529 flow [2021-06-11 19:52:08,443 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=475, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=529, PETRI_PLACES=83, PETRI_TRANSITIONS=66} [2021-06-11 19:52:08,443 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 44 predicate places. [2021-06-11 19:52:08,443 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:52:08,443 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 66 transitions, 529 flow [2021-06-11 19:52:08,443 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 66 transitions, 529 flow [2021-06-11 19:52:08,444 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 66 transitions, 529 flow [2021-06-11 19:52:08,505 INFO L129 PetriNetUnfolder]: 902/1391 cut-off events. [2021-06-11 19:52:08,505 INFO L130 PetriNetUnfolder]: For 4197/4450 co-relation queries the response was YES. [2021-06-11 19:52:08,513 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6085 conditions, 1391 events. 902/1391 cut-off events. For 4197/4450 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 6413 event pairs, 152 based on Foata normal form. 1/1286 useless extension candidates. Maximal degree in co-relation 5861. Up to 976 conditions per place. [2021-06-11 19:52:08,526 INFO L151 LiptonReduction]: Number of co-enabled transitions 1588 [2021-06-11 19:52:08,531 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:52:08,531 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:52:08,531 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 88 [2021-06-11 19:52:08,532 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 66 transitions, 529 flow [2021-06-11 19:52:08,532 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 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 19:52:08,532 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:52:08,532 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 19:52:08,744 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-06-11 19:52:08,745 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:52:08,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:52:08,745 INFO L82 PathProgramCache]: Analyzing trace with hash 510995144, now seen corresponding path program 1 times [2021-06-11 19:52:08,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:52:08,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306229224] [2021-06-11 19:52:08,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:52:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:52:08,763 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-06-11 19:52:08,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:08,769 INFO L142 QuantifierPusher]: treesize reduction 8, result has 68.0 percent of original size [2021-06-11 19:52:08,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:08,779 INFO L142 QuantifierPusher]: treesize reduction 19, result has 44.1 percent of original size [2021-06-11 19:52:08,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:52:08,781 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:08,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306229224] [2021-06-11 19:52:08,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551242627] [2021-06-11 19:52:08,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 19:52:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:52:08,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-11 19:52:08,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 19:52:08,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:08,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:08,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:08,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:08,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:08,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:08,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:08,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:08,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 19:52:08,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 19:52:08,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 19:52:08,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 19:52:08,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:08,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:08,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:08,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:08,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:08,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:08,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:08,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:08,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:08,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:08,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:08,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:08,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:08,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:08,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:08,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:08,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:08,833 INFO L142 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result has 100.0 percent of original size [2021-06-11 19:52:08,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:08,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:08,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:08,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:08,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:08,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:08,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 19:52:08,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 3] total 3 [2021-06-11 19:52:08,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733515355] [2021-06-11 19:52:08,879 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 19:52:08,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:52:08,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 19:52:08,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 19:52:08,880 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 60 [2021-06-11 19:52:08,880 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 66 transitions, 529 flow. Second operand has 5 states, 5 states have (on average 29.2) internal successors, (146), 5 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:08,880 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:52:08,880 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 60 [2021-06-11 19:52:08,880 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:52:09,476 INFO L129 PetriNetUnfolder]: 8417/10535 cut-off events. [2021-06-11 19:52:09,476 INFO L130 PetriNetUnfolder]: For 55899/58249 co-relation queries the response was YES. [2021-06-11 19:52:09,499 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58915 conditions, 10535 events. 8417/10535 cut-off events. For 55899/58249 co-relation queries the response was YES. Maximal size of possible extension queue 683. Compared 44630 event pairs, 1595 based on Foata normal form. 36/10374 useless extension candidates. Maximal degree in co-relation 58624. Up to 9544 conditions per place. [2021-06-11 19:52:09,534 INFO L132 encePairwiseOnDemand]: 52/60 looper letters, 81 selfloop transitions, 21 changer transitions 0/114 dead transitions. [2021-06-11 19:52:09,534 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 114 transitions, 1121 flow [2021-06-11 19:52:09,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 19:52:09,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 19:52:09,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 182 transitions. [2021-06-11 19:52:09,536 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6066666666666667 [2021-06-11 19:52:09,536 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 182 transitions. [2021-06-11 19:52:09,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 182 transitions. [2021-06-11 19:52:09,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:52:09,536 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 182 transitions. [2021-06-11 19:52:09,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 36.4) internal successors, (182), 5 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:09,537 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:09,537 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:09,537 INFO L185 Difference]: Start difference. First operand has 83 places, 66 transitions, 529 flow. Second operand 5 states and 182 transitions. [2021-06-11 19:52:09,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 114 transitions, 1121 flow [2021-06-11 19:52:09,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 114 transitions, 1104 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-06-11 19:52:09,578 INFO L241 Difference]: Finished difference. Result has 88 places, 80 transitions, 745 flow [2021-06-11 19:52:09,578 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=512, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=745, PETRI_PLACES=88, PETRI_TRANSITIONS=80} [2021-06-11 19:52:09,578 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 49 predicate places. [2021-06-11 19:52:09,578 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:52:09,578 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 80 transitions, 745 flow [2021-06-11 19:52:09,578 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 80 transitions, 745 flow [2021-06-11 19:52:09,579 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 80 transitions, 745 flow [2021-06-11 19:52:09,649 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([139] thread4EXIT-->L78: Formula: (and (= 4 v_thread4Thread1of1ForFork2_thidvar3_4) (= 4 v_thread4Thread1of1ForFork2_thidvar0_4) (= 4 v_thread4Thread1of1ForFork2_thidvar1_4) (= 4 v_thread4Thread1of1ForFork2_thidvar2_4)) InVars {thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} OutVars{thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} AuxVars[] AssignedVars[][62], [322#(<= n x3), Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), Black: 319#true, 327#true, Black: 71#(= x1 x2), Black: 392#(and (<= (+ x3 1) n) (<= x3 x4)), Black: 72#(and (<= n x1) (= x2 x1)), Black: 330#(<= (+ x3 1) n), 76#true, 396#true, Black: 141#(and (<= (+ x4 1) n) (<= x4 x3)), Black: 462#(and (<= (+ x1 1) n) (<= x1 x2)), Black: 399#(<= (+ x1 1) n), Black: 79#(<= (+ x4 1) n), 146#true, 466#true, Black: 212#(and (<= (+ x2 1) n) (<= x2 x1)), Black: 500#(and (= x6 x5) (= x4 x3) (<= x1 (* 2 (div x2 2))) (<= (* 2 (div x2 2)) x1) (= (mod x2 2) 0)), Black: 149#(<= (+ x2 1) n), Black: 469#(and (<= (* 2 x2) x1) (= x6 x5) (= x4 x3) (<= x1 (* 2 x2))), 26#L78true, 219#(<= n x4), Black: 218#(<= x3 x4), 224#true, Black: 226#(<= x6 x5), Black: 229#(and (<= x6 x5) (<= n x5)), 233#true, 43#L60true, 241#true, 50#L52true, Black: 306#(and (<= (+ x6 1) n) (<= x6 x5)), Black: 244#(<= (+ x6 1) n), 313#(<= (+ x5 1) n), Black: 315#(and (<= x5 x6) (<= (+ x5 1) n))]) [2021-06-11 19:52:09,649 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is not cut-off event [2021-06-11 19:52:09,649 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is not cut-off event [2021-06-11 19:52:09,650 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is not cut-off event [2021-06-11 19:52:09,650 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is not cut-off event [2021-06-11 19:52:09,652 INFO L129 PetriNetUnfolder]: 1089/1663 cut-off events. [2021-06-11 19:52:09,652 INFO L130 PetriNetUnfolder]: For 6638/7213 co-relation queries the response was YES. [2021-06-11 19:52:09,660 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7584 conditions, 1663 events. 1089/1663 cut-off events. For 6638/7213 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 7738 event pairs, 162 based on Foata normal form. 1/1536 useless extension candidates. Maximal degree in co-relation 7300. Up to 1186 conditions per place. [2021-06-11 19:52:09,675 INFO L151 LiptonReduction]: Number of co-enabled transitions 1916 [2021-06-11 19:52:09,682 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:52:09,682 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:52:09,682 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 104 [2021-06-11 19:52:09,682 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 80 transitions, 745 flow [2021-06-11 19:52:09,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 5 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:09,682 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:52:09,682 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 19:52:09,896 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 19:52:09,899 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:52:09,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:52:09,899 INFO L82 PathProgramCache]: Analyzing trace with hash 242192200, now seen corresponding path program 1 times [2021-06-11 19:52:09,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:52:09,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889013487] [2021-06-11 19:52:09,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:52:09,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:52:09,931 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-06-11 19:52:09,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:09,936 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-06-11 19:52:09,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:09,944 INFO L142 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size [2021-06-11 19:52:09,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:52:09,946 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:09,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889013487] [2021-06-11 19:52:09,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422806669] [2021-06-11 19:52:09,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 19:52:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:52:09,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-11 19:52:09,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 19:52:09,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:09,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:09,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:09,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:09,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:09,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:09,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:09,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:09,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:09,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:09,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:09,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:09,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:09,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:09,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:09,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:09,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:09,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:09,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:09,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:09,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:09,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:09,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:09,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:09,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:09,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:09,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:09,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:09,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:09,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:09,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:09,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:09,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:09,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:09,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:09,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:09,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:09,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:09,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:09,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:09,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:09,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:09,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:09,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:09,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:09,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:09,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:09,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:09,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:09,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:09,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:09,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:09,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:09,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:09,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:09,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:10,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:10,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:10,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:10,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:10,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:10,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:10,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:10,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:10,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:10,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:10,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:10,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:10,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:10,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:10,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:10,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:10,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:10,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:10,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:10,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:10,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:10,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:10,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:10,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 19:52:10,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 3] total 3 [2021-06-11 19:52:10,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661313089] [2021-06-11 19:52:10,052 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 19:52:10,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:52:10,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 19:52:10,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 19:52:10,053 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 60 [2021-06-11 19:52:10,053 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 80 transitions, 745 flow. Second operand has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:10,053 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:52:10,053 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 60 [2021-06-11 19:52:10,053 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:52:10,664 INFO L129 PetriNetUnfolder]: 9057/11303 cut-off events. [2021-06-11 19:52:10,664 INFO L130 PetriNetUnfolder]: For 69103/74442 co-relation queries the response was YES. [2021-06-11 19:52:10,697 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65257 conditions, 11303 events. 9057/11303 cut-off events. For 69103/74442 co-relation queries the response was YES. Maximal size of possible extension queue 711. Compared 48003 event pairs, 2435 based on Foata normal form. 38/11125 useless extension candidates. Maximal degree in co-relation 64984. Up to 10345 conditions per place. [2021-06-11 19:52:10,739 INFO L132 encePairwiseOnDemand]: 52/60 looper letters, 95 selfloop transitions, 21 changer transitions 0/128 dead transitions. [2021-06-11 19:52:10,739 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 128 transitions, 1385 flow [2021-06-11 19:52:10,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 19:52:10,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 19:52:10,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 182 transitions. [2021-06-11 19:52:10,740 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6066666666666667 [2021-06-11 19:52:10,740 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 182 transitions. [2021-06-11 19:52:10,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 182 transitions. [2021-06-11 19:52:10,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:52:10,740 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 182 transitions. [2021-06-11 19:52:10,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 36.4) internal successors, (182), 5 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:10,742 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:10,742 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:10,742 INFO L185 Difference]: Start difference. First operand has 88 places, 80 transitions, 745 flow. Second operand 5 states and 182 transitions. [2021-06-11 19:52:10,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 128 transitions, 1385 flow [2021-06-11 19:52:10,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 128 transitions, 1350 flow, removed 14 selfloop flow, removed 1 redundant places. [2021-06-11 19:52:10,816 INFO L241 Difference]: Finished difference. Result has 93 places, 94 transitions, 939 flow [2021-06-11 19:52:10,816 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=710, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=939, PETRI_PLACES=93, PETRI_TRANSITIONS=94} [2021-06-11 19:52:10,817 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 54 predicate places. [2021-06-11 19:52:10,817 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:52:10,817 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 94 transitions, 939 flow [2021-06-11 19:52:10,817 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 94 transitions, 939 flow [2021-06-11 19:52:10,817 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 94 transitions, 939 flow [2021-06-11 19:52:10,893 INFO L129 PetriNetUnfolder]: 1092/1664 cut-off events. [2021-06-11 19:52:10,893 INFO L130 PetriNetUnfolder]: For 7361/7930 co-relation queries the response was YES. [2021-06-11 19:52:10,902 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8070 conditions, 1664 events. 1092/1664 cut-off events. For 7361/7930 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 7731 event pairs, 99 based on Foata normal form. 6/1572 useless extension candidates. Maximal degree in co-relation 7785. Up to 1171 conditions per place. [2021-06-11 19:52:10,917 INFO L151 LiptonReduction]: Number of co-enabled transitions 2200 [2021-06-11 19:52:10,926 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:52:10,926 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:52:10,926 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 109 [2021-06-11 19:52:10,926 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 94 transitions, 939 flow [2021-06-11 19:52:10,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:10,926 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:52:10,926 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 19:52:11,140 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-11 19:52:11,141 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:52:11,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:52:11,141 INFO L82 PathProgramCache]: Analyzing trace with hash 684819198, now seen corresponding path program 2 times [2021-06-11 19:52:11,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:52:11,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22617867] [2021-06-11 19:52:11,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:52:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:52:11,160 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-06-11 19:52:11,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:11,167 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-06-11 19:52:11,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:11,174 INFO L142 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size [2021-06-11 19:52:11,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:52:11,175 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:11,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22617867] [2021-06-11 19:52:11,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381471594] [2021-06-11 19:52:11,176 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 19:52:11,223 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 19:52:11,223 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 19:52:11,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-11 19:52:11,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 19:52:11,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:11,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:11,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:11,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:11,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:11,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:11,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:11,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:11,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:11,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:11,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:11,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:11,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:11,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:11,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:11,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:11,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:11,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:11,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:11,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:11,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:11,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:11,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:11,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:11,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:11,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:11,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:11,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:11,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:11,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:11,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:11,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:11,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:11,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:11,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:11,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:11,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:11,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:11,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:11,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:11,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:11,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:11,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:11,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:11,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:11,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:11,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:11,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:11,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:11,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:11,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:11,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:11,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:11,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:11,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:11,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:11,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:11,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:11,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:11,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:11,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:11,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:11,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:11,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:11,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:11,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:11,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:11,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:11,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:11,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:11,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:11,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:11,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:11,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:11,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:11,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:11,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:11,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:11,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:11,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:11,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:11,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:11,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:11,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:11,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:11,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:11,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 19:52:11,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 3] total 3 [2021-06-11 19:52:11,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117994328] [2021-06-11 19:52:11,289 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 19:52:11,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:52:11,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 19:52:11,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 19:52:11,290 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 60 [2021-06-11 19:52:11,290 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 94 transitions, 939 flow. Second operand has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:11,290 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:52:11,290 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 60 [2021-06-11 19:52:11,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:52:11,945 INFO L129 PetriNetUnfolder]: 9697/12108 cut-off events. [2021-06-11 19:52:11,946 INFO L130 PetriNetUnfolder]: For 76569/80071 co-relation queries the response was YES. [2021-06-11 19:52:11,984 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72406 conditions, 12108 events. 9697/12108 cut-off events. For 76569/80071 co-relation queries the response was YES. Maximal size of possible extension queue 775. Compared 51229 event pairs, 2603 based on Foata normal form. 26/11936 useless extension candidates. Maximal degree in co-relation 72112. Up to 11146 conditions per place. [2021-06-11 19:52:12,030 INFO L132 encePairwiseOnDemand]: 52/60 looper letters, 109 selfloop transitions, 21 changer transitions 0/142 dead transitions. [2021-06-11 19:52:12,031 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 142 transitions, 1632 flow [2021-06-11 19:52:12,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 19:52:12,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 19:52:12,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 182 transitions. [2021-06-11 19:52:12,032 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6066666666666667 [2021-06-11 19:52:12,032 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 182 transitions. [2021-06-11 19:52:12,032 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 182 transitions. [2021-06-11 19:52:12,032 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:52:12,032 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 182 transitions. [2021-06-11 19:52:12,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 36.4) internal successors, (182), 5 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:12,033 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:12,033 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:12,033 INFO L185 Difference]: Start difference. First operand has 93 places, 94 transitions, 939 flow. Second operand 5 states and 182 transitions. [2021-06-11 19:52:12,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 142 transitions, 1632 flow [2021-06-11 19:52:12,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 142 transitions, 1589 flow, removed 18 selfloop flow, removed 1 redundant places. [2021-06-11 19:52:12,136 INFO L241 Difference]: Finished difference. Result has 98 places, 108 transitions, 1145 flow [2021-06-11 19:52:12,136 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=896, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1145, PETRI_PLACES=98, PETRI_TRANSITIONS=108} [2021-06-11 19:52:12,136 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 59 predicate places. [2021-06-11 19:52:12,136 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:52:12,136 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 108 transitions, 1145 flow [2021-06-11 19:52:12,137 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 98 places, 108 transitions, 1145 flow [2021-06-11 19:52:12,137 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 98 places, 108 transitions, 1145 flow [2021-06-11 19:52:12,218 INFO L129 PetriNetUnfolder]: 1083/1678 cut-off events. [2021-06-11 19:52:12,218 INFO L130 PetriNetUnfolder]: For 7767/8202 co-relation queries the response was YES. [2021-06-11 19:52:12,227 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8448 conditions, 1678 events. 1083/1678 cut-off events. For 7767/8202 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 8207 event pairs, 105 based on Foata normal form. 2/1591 useless extension candidates. Maximal degree in co-relation 8132. Up to 1144 conditions per place. [2021-06-11 19:52:12,242 INFO L151 LiptonReduction]: Number of co-enabled transitions 2472 [2021-06-11 19:52:12,252 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:52:12,252 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:52:12,252 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 116 [2021-06-11 19:52:12,253 INFO L480 AbstractCegarLoop]: Abstraction has has 98 places, 108 transitions, 1145 flow [2021-06-11 19:52:12,253 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:12,253 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:52:12,253 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 19:52:12,458 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-11 19:52:12,458 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:52:12,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:52:12,459 INFO L82 PathProgramCache]: Analyzing trace with hash -2082166833, now seen corresponding path program 1 times [2021-06-11 19:52:12,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:52:12,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287509373] [2021-06-11 19:52:12,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:52:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:52:12,492 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-06-11 19:52:12,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:12,501 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-06-11 19:52:12,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:12,507 INFO L142 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size [2021-06-11 19:52:12,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:52:12,509 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:12,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287509373] [2021-06-11 19:52:12,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265911518] [2021-06-11 19:52:12,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 19:52:12,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:52:12,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-11 19:52:12,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 19:52:12,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:12,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:12,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:12,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:12,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:12,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:12,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:12,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:12,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:12,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:12,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:12,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:12,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:12,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:12,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:12,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:12,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:12,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:12,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:12,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:12,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:12,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:12,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:12,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:12,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:12,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:12,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:12,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:12,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:12,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:12,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:12,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:12,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:12,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:12,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:12,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:12,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:12,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:12,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:12,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:12,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:12,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:12,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:12,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:12,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:12,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:12,604 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:12,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 19:52:12,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 3] total 3 [2021-06-11 19:52:12,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132815160] [2021-06-11 19:52:12,604 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 19:52:12,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:52:12,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 19:52:12,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 19:52:12,605 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 60 [2021-06-11 19:52:12,605 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 108 transitions, 1145 flow. Second operand has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:12,605 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:52:12,605 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 60 [2021-06-11 19:52:12,605 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:52:13,397 INFO L129 PetriNetUnfolder]: 10337/12942 cut-off events. [2021-06-11 19:52:13,397 INFO L130 PetriNetUnfolder]: For 86969/90937 co-relation queries the response was YES. [2021-06-11 19:52:13,437 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78914 conditions, 12942 events. 10337/12942 cut-off events. For 86969/90937 co-relation queries the response was YES. Maximal size of possible extension queue 851. Compared 56016 event pairs, 2699 based on Foata normal form. 51/12782 useless extension candidates. Maximal degree in co-relation 78568. Up to 11947 conditions per place. [2021-06-11 19:52:13,486 INFO L132 encePairwiseOnDemand]: 52/60 looper letters, 123 selfloop transitions, 21 changer transitions 0/156 dead transitions. [2021-06-11 19:52:13,486 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 156 transitions, 1834 flow [2021-06-11 19:52:13,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 19:52:13,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 19:52:13,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 182 transitions. [2021-06-11 19:52:13,487 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6066666666666667 [2021-06-11 19:52:13,487 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 182 transitions. [2021-06-11 19:52:13,487 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 182 transitions. [2021-06-11 19:52:13,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:52:13,487 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 182 transitions. [2021-06-11 19:52:13,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 36.4) internal successors, (182), 5 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:13,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:13,488 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:13,488 INFO L185 Difference]: Start difference. First operand has 98 places, 108 transitions, 1145 flow. Second operand 5 states and 182 transitions. [2021-06-11 19:52:13,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 156 transitions, 1834 flow [2021-06-11 19:52:13,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 156 transitions, 1767 flow, removed 30 selfloop flow, removed 1 redundant places. [2021-06-11 19:52:13,609 INFO L241 Difference]: Finished difference. Result has 103 places, 122 transitions, 1303 flow [2021-06-11 19:52:13,609 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=1078, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1303, PETRI_PLACES=103, PETRI_TRANSITIONS=122} [2021-06-11 19:52:13,609 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 64 predicate places. [2021-06-11 19:52:13,609 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:52:13,609 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 122 transitions, 1303 flow [2021-06-11 19:52:13,609 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 122 transitions, 1303 flow [2021-06-11 19:52:13,610 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 122 transitions, 1303 flow [2021-06-11 19:52:13,697 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([139] thread4EXIT-->L78: Formula: (and (= 4 v_thread4Thread1of1ForFork2_thidvar3_4) (= 4 v_thread4Thread1of1ForFork2_thidvar0_4) (= 4 v_thread4Thread1of1ForFork2_thidvar1_4) (= 4 v_thread4Thread1of1ForFork2_thidvar2_4)) InVars {thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} OutVars{thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} AuxVars[] AssignedVars[][110], [322#(<= n x3), Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), Black: 319#true, 327#true, 9#thread5EXITtrue, Black: 392#(and (<= (+ x3 1) n) (<= x3 x4)), Black: 71#(= x1 x2), Black: 330#(<= (+ x3 1) n), Black: 72#(and (<= n x1) (= x2 x1)), 396#true, 76#true, Black: 141#(and (<= (+ x4 1) n) (<= x4 x3)), Black: 462#(and (<= (+ x1 1) n) (<= x1 x2)), Black: 79#(<= (+ x4 1) n), Black: 399#(<= (+ x1 1) n), 466#true, 146#true, Black: 212#(and (<= (+ x2 1) n) (<= x2 x1)), Black: 500#(and (= x6 x5) (= x4 x3) (<= x1 (* 2 (div x2 2))) (<= (* 2 (div x2 2)) x1) (= (mod x2 2) 0)), Black: 149#(<= (+ x2 1) n), Black: 469#(and (<= (* 2 x2) x1) (= x6 x5) (= x4 x3) (<= x1 (* 2 x2))), 537#true, 26#L78true, 219#(<= n x4), Black: 583#(and (<= x5 (* 2 (div x6 2))) (= x4 x3) (= (mod x6 2) 0) (= x2 x1) (<= (* 2 (div x6 2)) x5)), Black: 218#(<= x3 x4), Black: 540#(and (= x4 x3) (= x2 x1) (<= x5 (* 2 x6)) (<= (* 2 x6) x5)), 608#true, 227#(<= n x5), Black: 611#(and (= x4 x3) (<= (* 2 x5) x6) (= x2 x1) (<= x6 (* 2 x5))), Black: 654#(and (= x4 x3) (<= x6 (* 2 (div (* x5 (- 1)) (- 2)))) (<= (* 2 (div (* x5 (- 1)) (- 2))) x6) (= x2 x1) (= (mod x5 (- 2)) 0)), 679#true, Black: 226#(<= x6 x5), Black: 229#(and (<= x6 x5) (<= n x5)), 233#true, 43#L60true, Black: 722#(and (<= (* 2 (div x4 2)) x3) (= x6 x5) (= x2 x1) (= (mod x4 2) 0) (<= x3 (* 2 (div x4 2)))), Black: 682#(and (<= (* 2 x4) x3) (<= x3 (* 2 x4)) (= x6 x5) (= x2 x1)), 241#true, Black: 306#(and (<= (+ x6 1) n) (<= x6 x5)), Black: 244#(<= (+ x6 1) n), 310#true, Black: 313#(<= (+ x5 1) n), Black: 315#(and (<= x5 x6) (<= (+ x5 1) n))]) [2021-06-11 19:52:13,697 INFO L384 tUnfolder$Statistics]: this new event has 22 ancestors and is not cut-off event [2021-06-11 19:52:13,697 INFO L387 tUnfolder$Statistics]: existing Event has 22 ancestors and is not cut-off event [2021-06-11 19:52:13,697 INFO L387 tUnfolder$Statistics]: existing Event has 22 ancestors and is not cut-off event [2021-06-11 19:52:13,697 INFO L387 tUnfolder$Statistics]: existing Event has 22 ancestors and is not cut-off event [2021-06-11 19:52:13,699 INFO L129 PetriNetUnfolder]: 1051/1647 cut-off events. [2021-06-11 19:52:13,699 INFO L130 PetriNetUnfolder]: For 10149/11008 co-relation queries the response was YES. [2021-06-11 19:52:13,709 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8691 conditions, 1647 events. 1051/1647 cut-off events. For 10149/11008 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 8064 event pairs, 109 based on Foata normal form. 7/1558 useless extension candidates. Maximal degree in co-relation 8429. Up to 1101 conditions per place. [2021-06-11 19:52:13,723 INFO L151 LiptonReduction]: Number of co-enabled transitions 2792 [2021-06-11 19:52:13,728 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:52:13,729 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:52:13,729 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 120 [2021-06-11 19:52:13,729 INFO L480 AbstractCegarLoop]: Abstraction has has 103 places, 122 transitions, 1303 flow [2021-06-11 19:52:13,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:13,729 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:52:13,729 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 19:52:13,929 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-11 19:52:13,930 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:52:13,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:52:13,930 INFO L82 PathProgramCache]: Analyzing trace with hash 546785441, now seen corresponding path program 2 times [2021-06-11 19:52:13,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:52:13,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477261729] [2021-06-11 19:52:13,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:52:13,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:52:13,952 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-06-11 19:52:13,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:13,957 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-06-11 19:52:13,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:13,970 INFO L142 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size [2021-06-11 19:52:13,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:52:13,972 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:13,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477261729] [2021-06-11 19:52:13,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [909545903] [2021-06-11 19:52:13,972 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-11 19:52:14,013 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 19:52:14,014 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 19:52:14,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-11 19:52:14,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 19:52:14,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 19:52:14,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:14,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:14,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:14,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:14,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:14,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:14,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:14,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:14,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:14,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:14,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:14,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:14,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:14,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:14,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:14,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:14,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:14,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:14,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:14,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:14,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:14,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:14,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:14,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:14,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:14,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:14,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:14,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:14,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 19:52:14,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 19:52:14,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 19:52:14,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 19:52:14,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:14,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:14,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:14,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:14,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:14,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:14,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:14,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:14,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:14,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:14,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:14,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:14,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:14,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:14,082 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:14,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 19:52:14,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 3] total 3 [2021-06-11 19:52:14,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719414097] [2021-06-11 19:52:14,083 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 19:52:14,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:52:14,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 19:52:14,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 19:52:14,083 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 60 [2021-06-11 19:52:14,083 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 122 transitions, 1303 flow. Second operand has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:14,084 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:52:14,084 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 60 [2021-06-11 19:52:14,084 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:52:15,022 INFO L129 PetriNetUnfolder]: 10977/13835 cut-off events. [2021-06-11 19:52:15,022 INFO L130 PetriNetUnfolder]: For 90256/98174 co-relation queries the response was YES. [2021-06-11 19:52:15,072 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85435 conditions, 13835 events. 10977/13835 cut-off events. For 90256/98174 co-relation queries the response was YES. Maximal size of possible extension queue 910. Compared 62163 event pairs, 1249 based on Foata normal form. 49/13685 useless extension candidates. Maximal degree in co-relation 84976. Up to 12748 conditions per place. [2021-06-11 19:52:15,140 INFO L132 encePairwiseOnDemand]: 52/60 looper letters, 137 selfloop transitions, 21 changer transitions 0/170 dead transitions. [2021-06-11 19:52:15,141 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 170 transitions, 2041 flow [2021-06-11 19:52:15,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 19:52:15,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 19:52:15,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 182 transitions. [2021-06-11 19:52:15,142 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6066666666666667 [2021-06-11 19:52:15,142 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 182 transitions. [2021-06-11 19:52:15,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 182 transitions. [2021-06-11 19:52:15,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:52:15,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 182 transitions. [2021-06-11 19:52:15,142 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 36.4) internal successors, (182), 5 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:15,143 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:15,143 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:15,143 INFO L185 Difference]: Start difference. First operand has 103 places, 122 transitions, 1303 flow. Second operand 5 states and 182 transitions. [2021-06-11 19:52:15,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 170 transitions, 2041 flow [2021-06-11 19:52:15,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 170 transitions, 1992 flow, removed 21 selfloop flow, removed 1 redundant places. [2021-06-11 19:52:15,355 INFO L241 Difference]: Finished difference. Result has 108 places, 136 transitions, 1499 flow [2021-06-11 19:52:15,355 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=1254, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1499, PETRI_PLACES=108, PETRI_TRANSITIONS=136} [2021-06-11 19:52:15,355 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 69 predicate places. [2021-06-11 19:52:15,356 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:52:15,356 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 136 transitions, 1499 flow [2021-06-11 19:52:15,356 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 136 transitions, 1499 flow [2021-06-11 19:52:15,357 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 108 places, 136 transitions, 1499 flow [2021-06-11 19:52:15,467 INFO L129 PetriNetUnfolder]: 1159/1756 cut-off events. [2021-06-11 19:52:15,468 INFO L130 PetriNetUnfolder]: For 11689/12806 co-relation queries the response was YES. [2021-06-11 19:52:15,480 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9739 conditions, 1756 events. 1159/1756 cut-off events. For 11689/12806 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 8319 event pairs, 116 based on Foata normal form. 5/1655 useless extension candidates. Maximal degree in co-relation 9399. Up to 1220 conditions per place. [2021-06-11 19:52:15,501 INFO L151 LiptonReduction]: Number of co-enabled transitions 3104 [2021-06-11 19:52:15,507 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:52:15,507 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:52:15,507 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 151 [2021-06-11 19:52:15,507 INFO L480 AbstractCegarLoop]: Abstraction has has 108 places, 136 transitions, 1499 flow [2021-06-11 19:52:15,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:15,508 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:52:15,508 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 19:52:15,710 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-11 19:52:15,710 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:52:15,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:52:15,711 INFO L82 PathProgramCache]: Analyzing trace with hash -1048521362, now seen corresponding path program 2 times [2021-06-11 19:52:15,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:52:15,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918453904] [2021-06-11 19:52:15,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:52:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:52:15,726 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-06-11 19:52:15,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:15,732 INFO L142 QuantifierPusher]: treesize reduction 8, result has 68.0 percent of original size [2021-06-11 19:52:15,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:15,739 INFO L142 QuantifierPusher]: treesize reduction 19, result has 44.1 percent of original size [2021-06-11 19:52:15,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:52:15,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-11 19:52:15,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918453904] [2021-06-11 19:52:15,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918912534] [2021-06-11 19:52:15,741 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 19:52:15,770 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 19:52:15,770 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 19:52:15,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-11 19:52:15,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 19:52:15,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:15,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:15,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:15,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:15,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:15,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:15,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:15,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:15,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:15,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:15,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:15,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:15,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:15,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:15,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:15,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:15,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,780 INFO L147 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result has 100.0 percent of original size 10 [2021-06-11 19:52:15,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:15,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:15,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:15,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:15,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:15,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:15,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:15,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:15,787 INFO L142 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result has 100.0 percent of original size [2021-06-11 19:52:15,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:15,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:15,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:15,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:15,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:15,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:15,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:15,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:15,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,795 INFO L147 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result has 100.0 percent of original size 12 [2021-06-11 19:52:15,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 19:52:15,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 19:52:15,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:15,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:15,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:15,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:15,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:15,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:15,816 INFO L142 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result has 100.0 percent of original size [2021-06-11 19:52:15,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:15,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:15,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:15,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:15,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:15,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:15,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:15,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:15,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,824 INFO L147 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result has 100.0 percent of original size 30 [2021-06-11 19:52:15,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:15,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:15,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:15,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:15,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:15,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:15,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:15,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:15,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:15,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:15,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:15,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:15,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:15,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:15,836 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:15,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 19:52:15,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 3] total 3 [2021-06-11 19:52:15,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322544691] [2021-06-11 19:52:15,836 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 19:52:15,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:52:15,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 19:52:15,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 19:52:15,837 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 60 [2021-06-11 19:52:15,837 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 136 transitions, 1499 flow. Second operand has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:15,837 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:52:15,837 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 60 [2021-06-11 19:52:15,837 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:52:16,881 INFO L129 PetriNetUnfolder]: 11617/14543 cut-off events. [2021-06-11 19:52:16,882 INFO L130 PetriNetUnfolder]: For 111833/122344 co-relation queries the response was YES. [2021-06-11 19:52:16,941 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92533 conditions, 14543 events. 11617/14543 cut-off events. For 111833/122344 co-relation queries the response was YES. Maximal size of possible extension queue 972. Compared 64433 event pairs, 2614 based on Foata normal form. 85/14401 useless extension candidates. Maximal degree in co-relation 92144. Up to 13549 conditions per place. [2021-06-11 19:52:17,002 INFO L132 encePairwiseOnDemand]: 52/60 looper letters, 151 selfloop transitions, 21 changer transitions 0/184 dead transitions. [2021-06-11 19:52:17,002 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 184 transitions, 2293 flow [2021-06-11 19:52:17,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 19:52:17,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 19:52:17,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 182 transitions. [2021-06-11 19:52:17,003 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6066666666666667 [2021-06-11 19:52:17,003 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 182 transitions. [2021-06-11 19:52:17,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 182 transitions. [2021-06-11 19:52:17,003 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:52:17,003 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 182 transitions. [2021-06-11 19:52:17,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 36.4) internal successors, (182), 5 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:17,004 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:17,004 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:17,004 INFO L185 Difference]: Start difference. First operand has 108 places, 136 transitions, 1499 flow. Second operand 5 states and 182 transitions. [2021-06-11 19:52:17,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 184 transitions, 2293 flow [2021-06-11 19:52:17,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 184 transitions, 2220 flow, removed 33 selfloop flow, removed 1 redundant places. [2021-06-11 19:52:17,206 INFO L241 Difference]: Finished difference. Result has 113 places, 150 transitions, 1711 flow [2021-06-11 19:52:17,206 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=1426, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1711, PETRI_PLACES=113, PETRI_TRANSITIONS=150} [2021-06-11 19:52:17,207 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 74 predicate places. [2021-06-11 19:52:17,207 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:52:17,207 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 150 transitions, 1711 flow [2021-06-11 19:52:17,207 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 113 places, 150 transitions, 1711 flow [2021-06-11 19:52:17,208 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 150 transitions, 1711 flow [2021-06-11 19:52:17,291 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([138] thread3EXIT-->L77: Formula: (and (= 3 v_thread3Thread1of1ForFork1_thidvar2_4) (= 3 v_thread3Thread1of1ForFork1_thidvar0_4) (= 3 v_thread3Thread1of1ForFork1_thidvar1_4)) InVars {thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][57], [322#(<= n x3), Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), Black: 319#true, 327#true, Black: 392#(and (<= (+ x3 1) n) (<= x3 x4)), Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), Black: 330#(<= (+ x3 1) n), 396#true, 76#true, Black: 141#(and (<= (+ x4 1) n) (<= x4 x3)), Black: 462#(and (<= (+ x1 1) n) (<= x1 x2)), Black: 79#(<= (+ x4 1) n), Black: 399#(<= (+ x1 1) n), 466#true, 146#true, Black: 212#(and (<= (+ x2 1) n) (<= x2 x1)), Black: 500#(and (= x6 x5) (= x4 x3) (<= x1 (* 2 (div x2 2))) (<= (* 2 (div x2 2)) x1) (= (mod x2 2) 0)), Black: 149#(<= (+ x2 1) n), Black: 469#(and (<= (* 2 x2) x1) (= x6 x5) (= x4 x3) (<= x1 (* 2 x2))), 216#true, 537#true, Black: 583#(and (<= x5 (* 2 (div x6 2))) (= x4 x3) (= (mod x6 2) 0) (= x2 x1) (<= (* 2 (div x6 2)) x5)), Black: 540#(and (= x4 x3) (= x2 x1) (<= x5 (* 2 x6)) (<= (* 2 x6) x5)), Black: 218#(<= x3 x4), 608#true, Black: 611#(and (= x4 x3) (<= (* 2 x5) x6) (= x2 x1) (<= x6 (* 2 x5))), Black: 654#(and (= x4 x3) (<= x6 (* 2 (div (* x5 (- 1)) (- 2)))) (<= (* 2 (div (* x5 (- 1)) (- 2))) x6) (= x2 x1) (= (mod x5 (- 2)) 0)), 679#true, Black: 229#(and (<= x6 x5) (<= n x5)), 235#(<= x5 x6), 43#L60true, Black: 722#(and (<= (* 2 (div x4 2)) x3) (= x6 x5) (= x2 x1) (= (mod x4 2) 0) (<= x3 (* 2 (div x4 2)))), Black: 682#(and (<= (* 2 x4) x3) (<= x3 (* 2 x4)) (= x6 x5) (= x2 x1)), 750#true, 46#L77true, 48#L44true, Black: 233#true, 50#L52true, Black: 753#(and (<= x4 (* 2 x3)) (= x6 x5) (= x2 x1) (<= (* 2 x3) x4)), Black: 790#(and (<= (* 2 (div x3 2)) x4) (<= x4 (* 2 (div x3 2))) (= x6 x5) (= (mod x3 2) 0) (= x2 x1)), Black: 306#(and (<= (+ x6 1) n) (<= x6 x5)), Black: 244#(<= (+ x6 1) n), 821#true, Black: 864#(and (= (mod x1 (- 2)) 0) (= x6 x5) (<= (* 2 (div (* x1 (- 1)) (- 2))) x2) (= x4 x3) (<= x2 (* 2 (div (* x1 (- 1)) (- 2))))), Black: 824#(and (= x6 x5) (<= (* 2 x1) x2) (= x4 x3) (<= x2 (* 2 x1))), Black: 313#(<= (+ x5 1) n), Black: 315#(and (<= x5 x6) (<= (+ x5 1) n))]) [2021-06-11 19:52:17,291 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is not cut-off event [2021-06-11 19:52:17,292 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-06-11 19:52:17,292 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-06-11 19:52:17,292 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-06-11 19:52:17,298 INFO L129 PetriNetUnfolder]: 1032/1615 cut-off events. [2021-06-11 19:52:17,298 INFO L130 PetriNetUnfolder]: For 12557/14061 co-relation queries the response was YES. [2021-06-11 19:52:17,308 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9444 conditions, 1615 events. 1032/1615 cut-off events. For 12557/14061 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 8016 event pairs, 79 based on Foata normal form. 5/1512 useless extension candidates. Maximal degree in co-relation 9162. Up to 1064 conditions per place. [2021-06-11 19:52:17,324 INFO L151 LiptonReduction]: Number of co-enabled transitions 3428 [2021-06-11 19:52:17,330 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:52:17,330 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:52:17,330 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 123 [2021-06-11 19:52:17,330 INFO L480 AbstractCegarLoop]: Abstraction has has 113 places, 150 transitions, 1711 flow [2021-06-11 19:52:17,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:17,331 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:52:17,331 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:52:17,544 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-06-11 19:52:17,545 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:52:17,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:52:17,545 INFO L82 PathProgramCache]: Analyzing trace with hash -926587333, now seen corresponding path program 3 times [2021-06-11 19:52:17,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:52:17,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937847598] [2021-06-11 19:52:17,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:52:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:52:17,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:52:17,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:17,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:52:17,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:17,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:17,569 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:17,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937847598] [2021-06-11 19:52:17,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084347997] [2021-06-11 19:52:17,570 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 19:52:17,594 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-11 19:52:17,594 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 19:52:17,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-11 19:52:17,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 19:52:17,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:17,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:17,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:17,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:17,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:17,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:17,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:17,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:17,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:17,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:17,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:17,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:17,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:17,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:17,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:17,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:17,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:17,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:17,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:17,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:17,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:17,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:17,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:17,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:17,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:17,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:17,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:17,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:17,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:17,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:17,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:17,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:17,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:17,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:17,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:17,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:17,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:17,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:17,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:17,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:17,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:17,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:17,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:17,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:17,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:17,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:17,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:17,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:17,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:52:17,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:52:17,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:52:17,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:52:17,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:52:17,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:52:17,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:52:17,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:52:17,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:17,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:17,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 19:52:17,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:17,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:17,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 19:52:17,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:17,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:17,665 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-06-11 19:52:17,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:52:17,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:17,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:52:17,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 19:52:17,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:17,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:17,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:17,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:17,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:17,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:17,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:17,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:17,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:17,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:17,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:17,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:17,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:17,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:17,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:17,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:17,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:17,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:17,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:17,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:17,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:17,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:17,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:17,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:17,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:17,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:17,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:17,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:17,691 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 19:52:17,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-11 19:52:17,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668217083] [2021-06-11 19:52:17,691 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:52:17,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:52:17,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:52:17,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:52:17,692 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-06-11 19:52:17,692 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 150 transitions, 1711 flow. Second operand has 8 states, 8 states have (on average 31.875) internal successors, (255), 8 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:17,692 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:52:17,692 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-06-11 19:52:17,692 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:52:19,712 INFO L129 PetriNetUnfolder]: 21153/27775 cut-off events. [2021-06-11 19:52:19,712 INFO L130 PetriNetUnfolder]: For 252563/264713 co-relation queries the response was YES. [2021-06-11 19:52:19,899 INFO L84 FinitePrefix]: Finished finitePrefix Result has 175445 conditions, 27775 events. 21153/27775 cut-off events. For 252563/264713 co-relation queries the response was YES. Maximal size of possible extension queue 1733. Compared 153071 event pairs, 4873 based on Foata normal form. 1087/28632 useless extension candidates. Maximal degree in co-relation 173408. Up to 13448 conditions per place. [2021-06-11 19:52:20,029 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 378 selfloop transitions, 46 changer transitions 0/436 dead transitions. [2021-06-11 19:52:20,029 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 436 transitions, 5589 flow [2021-06-11 19:52:20,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-11 19:52:20,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-11 19:52:20,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 408 transitions. [2021-06-11 19:52:20,031 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.68 [2021-06-11 19:52:20,031 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 408 transitions. [2021-06-11 19:52:20,031 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 408 transitions. [2021-06-11 19:52:20,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:52:20,031 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 408 transitions. [2021-06-11 19:52:20,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 40.8) internal successors, (408), 10 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:20,032 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 60.0) internal successors, (660), 11 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:20,033 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 60.0) internal successors, (660), 11 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:20,033 INFO L185 Difference]: Start difference. First operand has 113 places, 150 transitions, 1711 flow. Second operand 10 states and 408 transitions. [2021-06-11 19:52:20,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 436 transitions, 5589 flow [2021-06-11 19:52:20,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 436 transitions, 5498 flow, removed 42 selfloop flow, removed 1 redundant places. [2021-06-11 19:52:20,524 INFO L241 Difference]: Finished difference. Result has 128 places, 166 transitions, 1990 flow [2021-06-11 19:52:20,524 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=1620, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1990, PETRI_PLACES=128, PETRI_TRANSITIONS=166} [2021-06-11 19:52:20,524 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 89 predicate places. [2021-06-11 19:52:20,524 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:52:20,524 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 128 places, 166 transitions, 1990 flow [2021-06-11 19:52:20,525 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 128 places, 166 transitions, 1990 flow [2021-06-11 19:52:20,525 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 166 transitions, 1990 flow [2021-06-11 19:52:21,001 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([140] thread5EXIT-->L79: Formula: (and (= v_thread5Thread1of1ForFork3_thidvar0_4 5) (= v_thread5Thread1of1ForFork3_thidvar2_4 5) (= v_thread5Thread1of1ForFork3_thidvar4_4 5) (= v_thread5Thread1of1ForFork3_thidvar3_4 5) (= v_thread5Thread1of1ForFork3_thidvar1_4 5)) InVars {thread5Thread1of1ForFork3_thidvar2=v_thread5Thread1of1ForFork3_thidvar2_4, thread5Thread1of1ForFork3_thidvar1=v_thread5Thread1of1ForFork3_thidvar1_4, thread5Thread1of1ForFork3_thidvar4=v_thread5Thread1of1ForFork3_thidvar4_4, thread5Thread1of1ForFork3_thidvar3=v_thread5Thread1of1ForFork3_thidvar3_4, thread5Thread1of1ForFork3_thidvar0=v_thread5Thread1of1ForFork3_thidvar0_4} OutVars{thread5Thread1of1ForFork3_thidvar2=v_thread5Thread1of1ForFork3_thidvar2_4, thread5Thread1of1ForFork3_thidvar1=v_thread5Thread1of1ForFork3_thidvar1_4, thread5Thread1of1ForFork3_thidvar4=v_thread5Thread1of1ForFork3_thidvar4_4, thread5Thread1of1ForFork3_thidvar3=v_thread5Thread1of1ForFork3_thidvar3_4, thread5Thread1of1ForFork3_thidvar0=v_thread5Thread1of1ForFork3_thidvar0_4} AuxVars[] AssignedVars[][33], [Black: 392#(and (<= (+ x3 1) n) (<= x3 x4)), Black: 330#(<= (+ x3 1) n), 396#true, Black: 141#(and (<= (+ x4 1) n) (<= x4 x3)), Black: 79#(<= (+ x4 1) n), 146#true, Black: 500#(and (= x6 x5) (= x4 x3) (<= x1 (* 2 (div x2 2))) (<= (* 2 (div x2 2)) x1) (= (mod x2 2) 0)), Black: 469#(and (<= (* 2 x2) x1) (= x6 x5) (= x4 x3) (<= x1 (* 2 x2))), 537#true, 28#L79true, Black: 611#(and (= x4 x3) (<= (* 2 x5) x6) (= x2 x1) (<= x6 (* 2 x5))), 37#thread6EXITtrue, Black: 654#(and (= x4 x3) (<= x6 (* 2 (div (* x5 (- 1)) (- 2)))) (<= (* 2 (div (* x5 (- 1)) (- 2))) x6) (= x2 x1) (= (mod x5 (- 2)) 0)), 679#true, Black: 753#(and (<= x4 (* 2 x3)) (= x6 x5) (= x2 x1) (<= (* 2 x3) x4)), Black: 790#(and (<= (* 2 (div x3 2)) x4) (<= x4 (* 2 (div x3 2))) (= x6 x5) (= (mod x3 2) 0) (= x2 x1)), Black: 306#(and (<= (+ x6 1) n) (<= x6 x5)), 821#true, Black: 244#(<= (+ x6 1) n), 310#true, Black: 313#(<= (+ x5 1) n), Black: 315#(and (<= x5 x6) (<= (+ x5 1) n)), 322#(<= n x3), Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), Black: 319#true, 327#true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 76#true, Black: 462#(and (<= (+ x1 1) n) (<= x1 x2)), Black: 901#(<= x2 x1), Black: 399#(<= (+ x1 1) n), 466#true, Black: 967#(and (<= (* 2 x2) x1) (<= (+ x2 1) n)), Black: 969#(and (<= (+ x2 1) n) (<= (+ (* 2 x2) 1) n)), Black: 938#(<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)), Black: 971#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= x2 x1)), Black: 212#(and (<= (+ x2 1) n) (<= x2 x1)), Black: 973#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= x2 x1) (<= (+ (* 2 x2) 1) n)), Black: 975#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= x2 x1)), Black: 149#(<= (+ x2 1) n), 219#(<= n x4), Black: 583#(and (<= x5 (* 2 (div x6 2))) (= x4 x3) (= (mod x6 2) 0) (= x2 x1) (<= (* 2 (div x6 2)) x5)), Black: 540#(and (= x4 x3) (= x2 x1) (<= x5 (* 2 x6)) (<= (* 2 x6) x5)), Black: 218#(<= x3 x4), 608#true, 227#(<= n x5), Black: 226#(<= x6 x5), Black: 229#(and (<= x6 x5) (<= n x5)), 236#(<= n x6), Black: 722#(and (<= (* 2 (div x4 2)) x3) (= x6 x5) (= x2 x1) (= (mod x4 2) 0) (<= x3 (* 2 (div x4 2)))), Black: 682#(and (<= (* 2 x4) x3) (<= x3 (* 2 x4)) (= x6 x5) (= x2 x1)), 750#true, Black: 233#true, 241#true, Black: 864#(and (= (mod x1 (- 2)) 0) (= x6 x5) (<= (* 2 (div (* x1 (- 1)) (- 2))) x2) (= x4 x3) (<= x2 (* 2 (div (* x1 (- 1)) (- 2))))), Black: 824#(and (= x6 x5) (<= (* 2 x1) x2) (= x4 x3) (<= x2 (* 2 x1))), 892#true]) [2021-06-11 19:52:21,001 INFO L384 tUnfolder$Statistics]: this new event has 24 ancestors and is not cut-off event [2021-06-11 19:52:21,001 INFO L387 tUnfolder$Statistics]: existing Event has 24 ancestors and is not cut-off event [2021-06-11 19:52:21,001 INFO L387 tUnfolder$Statistics]: existing Event has 24 ancestors and is not cut-off event [2021-06-11 19:52:21,001 INFO L387 tUnfolder$Statistics]: existing Event has 25 ancestors and is not cut-off event [2021-06-11 19:52:21,004 INFO L129 PetriNetUnfolder]: 2684/4103 cut-off events. [2021-06-11 19:52:21,004 INFO L130 PetriNetUnfolder]: For 37377/39010 co-relation queries the response was YES. [2021-06-11 19:52:21,221 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25678 conditions, 4103 events. 2684/4103 cut-off events. For 37377/39010 co-relation queries the response was YES. Maximal size of possible extension queue 275. Compared 23230 event pairs, 375 based on Foata normal form. 40/3982 useless extension candidates. Maximal degree in co-relation 25304. Up to 2866 conditions per place. [2021-06-11 19:52:21,262 INFO L151 LiptonReduction]: Number of co-enabled transitions 4170 [2021-06-11 19:52:21,292 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:52:21,292 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:52:21,292 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 768 [2021-06-11 19:52:21,292 INFO L480 AbstractCegarLoop]: Abstraction has has 128 places, 166 transitions, 1990 flow [2021-06-11 19:52:21,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.875) internal successors, (255), 8 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:21,293 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:52:21,293 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:52:21,506 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 19:52:21,506 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:52:21,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:52:21,506 INFO L82 PathProgramCache]: Analyzing trace with hash 2013200756, now seen corresponding path program 4 times [2021-06-11 19:52:21,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:52:21,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340311099] [2021-06-11 19:52:21,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:52:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:52:21,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:52:21,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:21,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:21,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:21,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:21,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:21,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340311099] [2021-06-11 19:52:21,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1629287750] [2021-06-11 19:52:21,526 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 19:52:21,556 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 19:52:21,556 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 19:52:21,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-11 19:52:21,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 19:52:21,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:21,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:21,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:21,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:21,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:21,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:21,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:21,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:21,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:21,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:21,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:21,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:21,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:21,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:21,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:21,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:21,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:21,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:21,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-06-11 19:52:21,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-06-11 19:52:21,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:21,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:21,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:21,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:21,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:21,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:21,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:21,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:21,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:21,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:21,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:21,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:21,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:21,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:21,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:21,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:21,584 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-06-11 19:52:21,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:21,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:21,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:21,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:21,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:21,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:21,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:21,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 19:52:21,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 19:52:21,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:21,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 19:52:21,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 19:52:21,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 19:52:21,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 19:52:21,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:21,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:21,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:21,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:21,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:21,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:21,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:21,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:21,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:21,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:52:21,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 19:52:21,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:21,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:21,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:52:21,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:21,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:21,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:21,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:21,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:21,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:21,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:21,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:21,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:21,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:21,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:21,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:21,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:21,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:21,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:21,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:21,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:21,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:21,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:21,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:21,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:21,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:21,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:21,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:21,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:21,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:21,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:21,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:21,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:21,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:21,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:21,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 19:52:21,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-11 19:52:21,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924927244] [2021-06-11 19:52:21,645 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:52:21,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:52:21,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:52:21,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:52:21,646 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-06-11 19:52:21,646 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 166 transitions, 1990 flow. Second operand has 8 states, 8 states have (on average 32.0) internal successors, (256), 8 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:21,646 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:52:21,646 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-06-11 19:52:21,646 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:52:25,760 INFO L129 PetriNetUnfolder]: 30689/41554 cut-off events. [2021-06-11 19:52:25,761 INFO L130 PetriNetUnfolder]: For 503552/513857 co-relation queries the response was YES. [2021-06-11 19:52:26,019 INFO L84 FinitePrefix]: Finished finitePrefix Result has 281744 conditions, 41554 events. 30689/41554 cut-off events. For 503552/513857 co-relation queries the response was YES. Maximal size of possible extension queue 2620. Compared 265031 event pairs, 2604 based on Foata normal form. 859/42213 useless extension candidates. Maximal degree in co-relation 277632. Up to 19592 conditions per place. [2021-06-11 19:52:26,205 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 596 selfloop transitions, 75 changer transitions 0/683 dead transitions. [2021-06-11 19:52:26,205 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 683 transitions, 9107 flow [2021-06-11 19:52:26,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-11 19:52:26,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-06-11 19:52:26,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 564 transitions. [2021-06-11 19:52:26,206 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6714285714285714 [2021-06-11 19:52:26,207 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 564 transitions. [2021-06-11 19:52:26,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 564 transitions. [2021-06-11 19:52:26,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:52:26,207 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 564 transitions. [2021-06-11 19:52:26,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 40.285714285714285) internal successors, (564), 14 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:26,209 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 60.0) internal successors, (900), 15 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:26,209 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 60.0) internal successors, (900), 15 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:26,209 INFO L185 Difference]: Start difference. First operand has 128 places, 166 transitions, 1990 flow. Second operand 14 states and 564 transitions. [2021-06-11 19:52:26,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 683 transitions, 9107 flow [2021-06-11 19:52:27,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 683 transitions, 8974 flow, removed 56 selfloop flow, removed 1 redundant places. [2021-06-11 19:52:27,587 INFO L241 Difference]: Finished difference. Result has 143 places, 200 transitions, 2610 flow [2021-06-11 19:52:27,587 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=1891, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=2610, PETRI_PLACES=143, PETRI_TRANSITIONS=200} [2021-06-11 19:52:27,587 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 104 predicate places. [2021-06-11 19:52:27,587 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:52:27,587 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 143 places, 200 transitions, 2610 flow [2021-06-11 19:52:27,587 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 143 places, 200 transitions, 2610 flow [2021-06-11 19:52:27,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 143 places, 200 transitions, 2610 flow [2021-06-11 19:52:27,987 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([139] thread4EXIT-->L78: Formula: (and (= 4 v_thread4Thread1of1ForFork2_thidvar3_4) (= 4 v_thread4Thread1of1ForFork2_thidvar0_4) (= 4 v_thread4Thread1of1ForFork2_thidvar1_4) (= 4 v_thread4Thread1of1ForFork2_thidvar2_4)) InVars {thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} OutVars{thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} AuxVars[] AssignedVars[][97], [9#thread5EXITtrue, Black: 392#(and (<= (+ x3 1) n) (<= x3 x4)), Black: 330#(<= (+ x3 1) n), 396#true, Black: 141#(and (<= (+ x4 1) n) (<= x4 x3)), Black: 79#(<= (+ x4 1) n), 146#true, Black: 500#(and (= x6 x5) (= x4 x3) (<= x1 (* 2 (div x2 2))) (<= (* 2 (div x2 2)) x1) (= (mod x2 2) 0)), Black: 469#(and (<= (* 2 x2) x1) (= x6 x5) (= x4 x3) (<= x1 (* 2 x2))), 537#true, 26#L78true, Black: 611#(and (= x4 x3) (<= (* 2 x5) x6) (= x2 x1) (<= x6 (* 2 x5))), Black: 654#(and (= x4 x3) (<= x6 (* 2 (div (* x5 (- 1)) (- 2)))) (<= (* 2 (div (* x5 (- 1)) (- 2))) x6) (= x2 x1) (= (mod x5 (- 2)) 0)), 679#true, 43#L60true, Black: 753#(and (<= x4 (* 2 x3)) (= x6 x5) (= x2 x1) (<= (* 2 x3) x4)), Black: 790#(and (<= (* 2 (div x3 2)) x4) (<= x4 (* 2 (div x3 2))) (= x6 x5) (= (mod x3 2) 0) (= x2 x1)), Black: 306#(and (<= (+ x6 1) n) (<= x6 x5)), Black: 244#(<= (+ x6 1) n), 821#true, Black: 1073#(and (<= x1 (* 2 x2)) (<= n x2)), 310#true, Black: 993#(<= x1 x2), Black: 987#(<= x1 (* 2 x2)), Black: 313#(<= (+ x5 1) n), Black: 315#(and (<= x5 x6) (<= (+ x5 1) n)), 322#(<= n x3), Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), Black: 319#true, 327#true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 76#true, Black: 462#(and (<= (+ x1 1) n) (<= x1 x2)), Black: 901#(<= x2 x1), Black: 399#(<= (+ x1 1) n), 466#true, Black: 967#(and (<= (* 2 x2) x1) (<= (+ x2 1) n)), Black: 969#(and (<= (+ x2 1) n) (<= (+ (* 2 x2) 1) n)), Black: 938#(<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)), Black: 971#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= x2 x1)), Black: 212#(and (<= (+ x2 1) n) (<= x2 x1)), Black: 973#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= x2 x1) (<= (+ (* 2 x2) 1) n)), Black: 975#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= x2 x1)), Black: 149#(<= (+ x2 1) n), 219#(<= n x4), 989#(<= n x2), Black: 583#(and (<= x5 (* 2 (div x6 2))) (= x4 x3) (= (mod x6 2) 0) (= x2 x1) (<= (* 2 (div x6 2)) x5)), Black: 218#(<= x3 x4), Black: 540#(and (= x4 x3) (= x2 x1) (<= x5 (* 2 x6)) (<= (* 2 x6) x5)), 608#true, 227#(<= n x5), Black: 226#(<= x6 x5), Black: 229#(and (<= x6 x5) (<= n x5)), 233#true, Black: 722#(and (<= (* 2 (div x4 2)) x3) (= x6 x5) (= x2 x1) (= (mod x4 2) 0) (<= x3 (* 2 (div x4 2)))), Black: 682#(and (<= (* 2 x4) x3) (<= x3 (* 2 x4)) (= x6 x5) (= x2 x1)), 750#true, 241#true, Black: 864#(and (= (mod x1 (- 2)) 0) (= x6 x5) (<= (* 2 (div (* x1 (- 1)) (- 2))) x2) (= x4 x3) (<= x2 (* 2 (div (* x1 (- 1)) (- 2))))), Black: 824#(and (= x6 x5) (<= (* 2 x1) x2) (= x4 x3) (<= x2 (* 2 x1))), 892#true]) [2021-06-11 19:52:27,987 INFO L384 tUnfolder$Statistics]: this new event has 23 ancestors and is not cut-off event [2021-06-11 19:52:27,987 INFO L387 tUnfolder$Statistics]: existing Event has 23 ancestors and is not cut-off event [2021-06-11 19:52:27,987 INFO L387 tUnfolder$Statistics]: existing Event has 24 ancestors and is not cut-off event [2021-06-11 19:52:27,987 INFO L387 tUnfolder$Statistics]: existing Event has 24 ancestors and is not cut-off event [2021-06-11 19:52:27,995 INFO L129 PetriNetUnfolder]: 3432/5505 cut-off events. [2021-06-11 19:52:27,996 INFO L130 PetriNetUnfolder]: For 54265/56818 co-relation queries the response was YES. [2021-06-11 19:52:28,130 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34434 conditions, 5505 events. 3432/5505 cut-off events. For 54265/56818 co-relation queries the response was YES. Maximal size of possible extension queue 379. Compared 35601 event pairs, 482 based on Foata normal form. 84/5359 useless extension candidates. Maximal degree in co-relation 33855. Up to 3610 conditions per place. [2021-06-11 19:52:28,188 INFO L151 LiptonReduction]: Number of co-enabled transitions 5916 [2021-06-11 19:52:28,199 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:52:28,199 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:52:28,199 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 612 [2021-06-11 19:52:28,200 INFO L480 AbstractCegarLoop]: Abstraction has has 143 places, 200 transitions, 2610 flow [2021-06-11 19:52:28,200 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 32.0) internal successors, (256), 8 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:28,200 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:52:28,200 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:52:28,400 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2021-06-11 19:52:28,400 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:52:28,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:52:28,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1073603639, now seen corresponding path program 5 times [2021-06-11 19:52:28,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:52:28,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453249460] [2021-06-11 19:52:28,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:52:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:52:28,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:52:28,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:28,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:28,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:28,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:28,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:28,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453249460] [2021-06-11 19:52:28,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [503174435] [2021-06-11 19:52:28,420 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 19:52:28,447 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-11 19:52:28,447 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 19:52:28,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-11 19:52:28,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 19:52:28,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:28,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:28,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:28,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:28,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:28,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:28,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:28,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:28,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:28,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:28,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:28,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:28,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:28,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:28,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:28,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:28,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:28,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:28,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:28,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:28,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:28,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:28,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:28,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:28,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:28,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:28,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:28,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:28,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:28,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:28,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:28,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:28,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:28,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:28,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:28,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:28,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:28,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 19:52:28,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 19:52:28,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:28,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 19:52:28,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 19:52:28,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 19:52:28,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 19:52:28,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:28,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:28,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:28,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:28,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:28,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:28,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:28,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:28,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:28,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:28,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:28,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:28,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:28,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:28,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:28,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:28,480 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-06-11 19:52:28,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:28,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:28,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:52:28,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 19:52:28,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 19:52:28,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 19:52:28,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:28,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:52:28,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 19:52:28,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:28,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:52:28,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:52:28,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:28,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:28,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:28,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:28,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:28,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:28,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:28,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:28,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:28,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:28,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:28,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:28,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:28,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:28,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:28,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:28,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:28,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:28,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:28,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:28,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:28,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:28,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:28,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:28,509 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:28,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 19:52:28,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-11 19:52:28,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411591686] [2021-06-11 19:52:28,510 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:52:28,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:52:28,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:52:28,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:52:28,510 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-06-11 19:52:28,510 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 200 transitions, 2610 flow. Second operand has 8 states, 8 states have (on average 32.5) internal successors, (260), 8 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:28,510 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:52:28,510 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-06-11 19:52:28,511 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:52:32,331 INFO L129 PetriNetUnfolder]: 28433/37908 cut-off events. [2021-06-11 19:52:32,331 INFO L130 PetriNetUnfolder]: For 527799/540777 co-relation queries the response was YES. [2021-06-11 19:52:32,600 INFO L84 FinitePrefix]: Finished finitePrefix Result has 269142 conditions, 37908 events. 28433/37908 cut-off events. For 527799/540777 co-relation queries the response was YES. Maximal size of possible extension queue 2356. Compared 226638 event pairs, 5264 based on Foata normal form. 365/38023 useless extension candidates. Maximal degree in co-relation 265904. Up to 18016 conditions per place. [2021-06-11 19:52:32,919 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 462 selfloop transitions, 50 changer transitions 0/524 dead transitions. [2021-06-11 19:52:32,919 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 524 transitions, 7191 flow [2021-06-11 19:52:32,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-11 19:52:32,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-11 19:52:32,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 399 transitions. [2021-06-11 19:52:32,920 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.665 [2021-06-11 19:52:32,920 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 399 transitions. [2021-06-11 19:52:32,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 399 transitions. [2021-06-11 19:52:32,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:52:32,921 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 399 transitions. [2021-06-11 19:52:32,922 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 39.9) internal successors, (399), 10 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:32,922 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 60.0) internal successors, (660), 11 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:32,922 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 60.0) internal successors, (660), 11 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:32,922 INFO L185 Difference]: Start difference. First operand has 143 places, 200 transitions, 2610 flow. Second operand 10 states and 399 transitions. [2021-06-11 19:52:32,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 524 transitions, 7191 flow [2021-06-11 19:52:35,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 524 transitions, 6848 flow, removed 160 selfloop flow, removed 1 redundant places. [2021-06-11 19:52:35,687 INFO L241 Difference]: Finished difference. Result has 154 places, 199 transitions, 2459 flow [2021-06-11 19:52:35,687 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=2256, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2459, PETRI_PLACES=154, PETRI_TRANSITIONS=199} [2021-06-11 19:52:35,687 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 115 predicate places. [2021-06-11 19:52:35,687 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:52:35,687 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 154 places, 199 transitions, 2459 flow [2021-06-11 19:52:35,687 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 154 places, 199 transitions, 2459 flow [2021-06-11 19:52:35,689 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 154 places, 199 transitions, 2459 flow [2021-06-11 19:52:36,088 INFO L129 PetriNetUnfolder]: 3115/4918 cut-off events. [2021-06-11 19:52:36,088 INFO L130 PetriNetUnfolder]: For 42382/43666 co-relation queries the response was YES. [2021-06-11 19:52:36,123 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29564 conditions, 4918 events. 3115/4918 cut-off events. For 42382/43666 co-relation queries the response was YES. Maximal size of possible extension queue 365. Compared 30718 event pairs, 329 based on Foata normal form. 41/4775 useless extension candidates. Maximal degree in co-relation 29040. Up to 3337 conditions per place. [2021-06-11 19:52:36,176 INFO L151 LiptonReduction]: Number of co-enabled transitions 5988 [2021-06-11 19:52:36,185 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:52:36,185 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:52:36,186 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 499 [2021-06-11 19:52:36,186 INFO L480 AbstractCegarLoop]: Abstraction has has 154 places, 199 transitions, 2459 flow [2021-06-11 19:52:36,186 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 32.5) internal successors, (260), 8 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:36,186 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:52:36,186 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:52:36,386 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 19:52:36,387 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:52:36,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:52:36,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1759375064, now seen corresponding path program 6 times [2021-06-11 19:52:36,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:52:36,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776330949] [2021-06-11 19:52:36,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:52:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:52:36,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:52:36,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:36,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:36,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:36,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:36,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:36,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776330949] [2021-06-11 19:52:36,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982290457] [2021-06-11 19:52:36,410 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 19:52:36,453 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-11 19:52:36,453 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 19:52:36,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-11 19:52:36,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 19:52:36,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:36,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:36,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:36,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:36,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:36,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:36,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:36,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:36,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:36,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:36,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:36,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:36,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:36,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:36,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-06-11 19:52:36,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-06-11 19:52:36,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:36,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:36,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:36,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:36,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:36,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 19:52:36,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 19:52:36,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:36,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 19:52:36,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 19:52:36,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 19:52:36,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 19:52:36,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:36,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:36,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:36,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:36,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:36,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:36,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:36,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:36,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:36,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:36,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:36,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:36,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:36,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:52:36,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 19:52:36,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:36,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:52:36,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 19:52:36,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:36,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:36,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:36,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:36,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:36,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:36,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:36,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:36,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:36,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:36,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:36,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:36,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:36,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:36,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:36,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:36,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:36,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:36,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:36,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:36,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:36,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:36,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:36,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:36,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:36,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:36,501 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-06-11 19:52:36,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 19:52:36,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:36,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:52:36,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 19:52:36,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:36,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:36,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:36,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:36,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:36,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:36,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:36,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:36,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:36,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:36,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:36,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:36,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:36,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:36,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:36,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:36,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:36,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:36,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:36,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:36,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:36,517 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:36,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 19:52:36,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-11 19:52:36,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367058557] [2021-06-11 19:52:36,518 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:52:36,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:52:36,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:52:36,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:52:36,518 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-06-11 19:52:36,518 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 199 transitions, 2459 flow. Second operand has 8 states, 8 states have (on average 32.625) internal successors, (261), 8 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:36,518 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:52:36,518 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-06-11 19:52:36,518 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:52:40,472 INFO L129 PetriNetUnfolder]: 30833/39554 cut-off events. [2021-06-11 19:52:40,472 INFO L130 PetriNetUnfolder]: For 485878/495526 co-relation queries the response was YES. [2021-06-11 19:52:40,733 INFO L84 FinitePrefix]: Finished finitePrefix Result has 275784 conditions, 39554 events. 30833/39554 cut-off events. For 485878/495526 co-relation queries the response was YES. Maximal size of possible extension queue 2464. Compared 212949 event pairs, 7684 based on Foata normal form. 457/39701 useless extension candidates. Maximal degree in co-relation 273840. Up to 19588 conditions per place. [2021-06-11 19:52:40,917 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 331 selfloop transitions, 64 changer transitions 0/407 dead transitions. [2021-06-11 19:52:40,917 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 407 transitions, 5492 flow [2021-06-11 19:52:40,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:52:40,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:52:40,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 328 transitions. [2021-06-11 19:52:40,918 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6833333333333333 [2021-06-11 19:52:40,918 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 328 transitions. [2021-06-11 19:52:40,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 328 transitions. [2021-06-11 19:52:40,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:52:40,918 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 328 transitions. [2021-06-11 19:52:40,919 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 41.0) internal successors, (328), 8 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:40,919 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 60.0) internal successors, (540), 9 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:40,919 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 60.0) internal successors, (540), 9 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:40,919 INFO L185 Difference]: Start difference. First operand has 154 places, 199 transitions, 2459 flow. Second operand 8 states and 328 transitions. [2021-06-11 19:52:40,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 407 transitions, 5492 flow [2021-06-11 19:52:42,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 407 transitions, 5407 flow, removed 12 selfloop flow, removed 4 redundant places. [2021-06-11 19:52:42,529 INFO L241 Difference]: Finished difference. Result has 160 places, 204 transitions, 2658 flow [2021-06-11 19:52:42,529 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=2378, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2658, PETRI_PLACES=160, PETRI_TRANSITIONS=204} [2021-06-11 19:52:42,530 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 121 predicate places. [2021-06-11 19:52:42,530 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:52:42,530 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 160 places, 204 transitions, 2658 flow [2021-06-11 19:52:42,530 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 160 places, 204 transitions, 2658 flow [2021-06-11 19:52:42,531 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 160 places, 204 transitions, 2658 flow [2021-06-11 19:52:42,938 INFO L129 PetriNetUnfolder]: 3505/5547 cut-off events. [2021-06-11 19:52:42,938 INFO L130 PetriNetUnfolder]: For 54683/56506 co-relation queries the response was YES. [2021-06-11 19:52:42,984 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35234 conditions, 5547 events. 3505/5547 cut-off events. For 54683/56506 co-relation queries the response was YES. Maximal size of possible extension queue 402. Compared 35180 event pairs, 510 based on Foata normal form. 37/5400 useless extension candidates. Maximal degree in co-relation 34671. Up to 3746 conditions per place. [2021-06-11 19:52:43,048 INFO L151 LiptonReduction]: Number of co-enabled transitions 6220 [2021-06-11 19:52:43,060 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:52:43,060 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:52:43,060 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 530 [2021-06-11 19:52:43,060 INFO L480 AbstractCegarLoop]: Abstraction has has 160 places, 204 transitions, 2658 flow [2021-06-11 19:52:43,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 32.625) internal successors, (261), 8 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:43,060 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:52:43,060 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:52:43,264 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-06-11 19:52:43,265 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:52:43,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:52:43,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1967731827, now seen corresponding path program 3 times [2021-06-11 19:52:43,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:52:43,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618209897] [2021-06-11 19:52:43,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:52:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:52:43,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:43,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:52:43,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:43,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:43,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:43,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618209897] [2021-06-11 19:52:43,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775472900] [2021-06-11 19:52:43,292 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 19:52:43,327 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-11 19:52:43,327 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 19:52:43,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-11 19:52:43,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 19:52:43,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:43,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:43,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:43,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:43,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:43,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:43,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:43,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:43,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:43,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:43,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:43,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:43,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:43,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:52:43,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:43,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:43,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:43,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:52:43,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:52:43,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:52:43,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:52:43,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:43,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:43,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 19:52:43,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:43,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:52:43,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 19:52:43,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:43,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:52:43,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 19:52:43,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 19:52:43,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 19:52:43,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 19:52:43,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 19:52:43,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 19:52:43,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 19:52:43,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 19:52:43,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 19:52:43,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 19:52:43,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 19:52:43,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 19:52:43,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 19:52:43,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 19:52:43,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 19:52:43,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 19:52:43,372 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-06-11 19:52:43,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:52:43,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:52:43,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:52:43,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 19:52:43,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:43,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:43,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:43,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:43,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:43,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:43,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:43,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:43,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:43,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:43,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:43,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:43,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:43,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:43,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:43,404 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:43,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 19:52:43,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-06-11 19:52:43,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789267284] [2021-06-11 19:52:43,405 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 19:52:43,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:52:43,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 19:52:43,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-11 19:52:43,405 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-06-11 19:52:43,405 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 204 transitions, 2658 flow. Second operand has 7 states, 7 states have (on average 31.857142857142858) internal successors, (223), 7 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:43,405 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:52:43,405 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-06-11 19:52:43,406 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:52:52,591 INFO L129 PetriNetUnfolder]: 66417/83941 cut-off events. [2021-06-11 19:52:52,592 INFO L130 PetriNetUnfolder]: For 1144307/1158819 co-relation queries the response was YES. [2021-06-11 19:52:53,566 INFO L84 FinitePrefix]: Finished finitePrefix Result has 609439 conditions, 83941 events. 66417/83941 cut-off events. For 1144307/1158819 co-relation queries the response was YES. Maximal size of possible extension queue 4610. Compared 470346 event pairs, 8657 based on Foata normal form. 3261/86839 useless extension candidates. Maximal degree in co-relation 606608. Up to 45506 conditions per place. [2021-06-11 19:52:54,164 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 726 selfloop transitions, 46 changer transitions 0/784 dead transitions. [2021-06-11 19:52:54,164 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 784 transitions, 12281 flow [2021-06-11 19:52:54,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 19:52:54,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 19:52:54,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 365 transitions. [2021-06-11 19:52:54,165 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6759259259259259 [2021-06-11 19:52:54,166 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 365 transitions. [2021-06-11 19:52:54,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 365 transitions. [2021-06-11 19:52:54,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:52:54,166 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 365 transitions. [2021-06-11 19:52:54,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 40.55555555555556) internal successors, (365), 9 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:54,167 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 60.0) internal successors, (600), 10 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:54,167 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 60.0) internal successors, (600), 10 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:54,167 INFO L185 Difference]: Start difference. First operand has 160 places, 204 transitions, 2658 flow. Second operand 9 states and 365 transitions. [2021-06-11 19:52:54,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 784 transitions, 12281 flow [2021-06-11 19:52:57,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 784 transitions, 11879 flow, removed 138 selfloop flow, removed 3 redundant places. [2021-06-11 19:52:57,919 INFO L241 Difference]: Finished difference. Result has 172 places, 221 transitions, 2936 flow [2021-06-11 19:52:57,920 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=2574, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2936, PETRI_PLACES=172, PETRI_TRANSITIONS=221} [2021-06-11 19:52:57,920 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 133 predicate places. [2021-06-11 19:52:57,920 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:52:57,920 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 172 places, 221 transitions, 2936 flow [2021-06-11 19:52:57,920 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 172 places, 221 transitions, 2936 flow [2021-06-11 19:52:57,921 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 172 places, 221 transitions, 2936 flow [2021-06-11 19:52:59,192 INFO L129 PetriNetUnfolder]: 9507/14462 cut-off events. [2021-06-11 19:52:59,192 INFO L130 PetriNetUnfolder]: For 169536/173958 co-relation queries the response was YES. [2021-06-11 19:52:59,329 INFO L84 FinitePrefix]: Finished finitePrefix Result has 98696 conditions, 14462 events. 9507/14462 cut-off events. For 169536/173958 co-relation queries the response was YES. Maximal size of possible extension queue 939. Compared 98747 event pairs, 1689 based on Foata normal form. 346/14332 useless extension candidates. Maximal degree in co-relation 97491. Up to 10290 conditions per place. [2021-06-11 19:52:59,701 INFO L151 LiptonReduction]: Number of co-enabled transitions 7926 [2021-06-11 19:52:59,719 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:52:59,719 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:52:59,719 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1799 [2021-06-11 19:52:59,719 INFO L480 AbstractCegarLoop]: Abstraction has has 172 places, 221 transitions, 2936 flow [2021-06-11 19:52:59,719 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.857142857142858) internal successors, (223), 7 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:52:59,719 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:52:59,720 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:52:59,925 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 19:52:59,925 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:52:59,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:52:59,925 INFO L82 PathProgramCache]: Analyzing trace with hash -284961923, now seen corresponding path program 4 times [2021-06-11 19:52:59,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:52:59,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270913284] [2021-06-11 19:52:59,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:52:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:52:59,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:59,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:52:59,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:52:59,949 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:52:59,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270913284] [2021-06-11 19:52:59,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195951906] [2021-06-11 19:52:59,949 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 19:52:59,980 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 19:52:59,980 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 19:52:59,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-11 19:52:59,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 19:52:59,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:52:59,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:52:59,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:53:00,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:53:00,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:53:00,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:53:00,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:53:00,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:53:00,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-06-11 19:53:00,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-06-11 19:53:00,006 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-06-11 19:53:00,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:53:00,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:53:00,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:53:00,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:53:00,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:53:00,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:53:00,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:53:00,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 19:53:00,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 19:53:00,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:53:00,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 19:53:00,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 19:53:00,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 19:53:00,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 19:53:00,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:53:00,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:53:00,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:53:00,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:53:00,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:53:00,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:53:00,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:53:00,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:53:00,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:53:00,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:53:00,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 19:53:00,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:53:00,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:53:00,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:53:00,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:00,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:00,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:00,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:00,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:00,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:00,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:00,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:00,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:00,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:00,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:00,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:00,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:00,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:00,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:00,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:00,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:00,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:00,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:00,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:00,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:00,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:00,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:00,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:00,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:53:00,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 19:53:00,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-06-11 19:53:00,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062084337] [2021-06-11 19:53:00,036 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 19:53:00,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:53:00,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 19:53:00,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-11 19:53:00,036 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-06-11 19:53:00,036 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 221 transitions, 2936 flow. Second operand has 7 states, 7 states have (on average 32.0) internal successors, (224), 7 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:53:00,036 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:53:00,036 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-06-11 19:53:00,036 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:53:14,229 INFO L129 PetriNetUnfolder]: 95193/120838 cut-off events. [2021-06-11 19:53:14,229 INFO L130 PetriNetUnfolder]: For 1917840/1929198 co-relation queries the response was YES. [2021-06-11 19:53:16,219 INFO L84 FinitePrefix]: Finished finitePrefix Result has 944519 conditions, 120838 events. 95193/120838 cut-off events. For 1917840/1929198 co-relation queries the response was YES. Maximal size of possible extension queue 6774. Compared 730878 event pairs, 1135 based on Foata normal form. 2199/122670 useless extension candidates. Maximal degree in co-relation 940328. Up to 64632 conditions per place. [2021-06-11 19:53:16,883 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 1179 selfloop transitions, 72 changer transitions 0/1263 dead transitions. [2021-06-11 19:53:16,883 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 1263 transitions, 19574 flow [2021-06-11 19:53:16,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 19:53:16,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 19:53:16,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 522 transitions. [2021-06-11 19:53:16,884 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6692307692307692 [2021-06-11 19:53:16,884 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 522 transitions. [2021-06-11 19:53:16,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 522 transitions. [2021-06-11 19:53:16,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:53:16,885 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 522 transitions. [2021-06-11 19:53:16,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 40.15384615384615) internal successors, (522), 13 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:53:16,886 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 60.0) internal successors, (840), 14 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:53:16,886 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 60.0) internal successors, (840), 14 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:53:16,886 INFO L185 Difference]: Start difference. First operand has 172 places, 221 transitions, 2936 flow. Second operand 13 states and 522 transitions. [2021-06-11 19:53:16,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 1263 transitions, 19574 flow [2021-06-11 19:53:36,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 1263 transitions, 19516 flow, removed 29 selfloop flow, removed 0 redundant places. [2021-06-11 19:53:36,579 INFO L241 Difference]: Finished difference. Result has 187 places, 250 transitions, 3512 flow [2021-06-11 19:53:36,579 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=2900, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3512, PETRI_PLACES=187, PETRI_TRANSITIONS=250} [2021-06-11 19:53:36,579 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 148 predicate places. [2021-06-11 19:53:36,579 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:53:36,580 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 187 places, 250 transitions, 3512 flow [2021-06-11 19:53:36,580 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 187 places, 250 transitions, 3512 flow [2021-06-11 19:53:36,582 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 187 places, 250 transitions, 3512 flow [2021-06-11 19:53:38,376 INFO L129 PetriNetUnfolder]: 11952/19359 cut-off events. [2021-06-11 19:53:38,377 INFO L130 PetriNetUnfolder]: For 239344/245410 co-relation queries the response was YES. [2021-06-11 19:53:38,591 INFO L84 FinitePrefix]: Finished finitePrefix Result has 132211 conditions, 19359 events. 11952/19359 cut-off events. For 239344/245410 co-relation queries the response was YES. Maximal size of possible extension queue 1404. Compared 153027 event pairs, 1950 based on Foata normal form. 592/19266 useless extension candidates. Maximal degree in co-relation 130426. Up to 13065 conditions per place. [2021-06-11 19:53:39,168 INFO L151 LiptonReduction]: Number of co-enabled transitions 11040 [2021-06-11 19:53:39,211 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:53:39,211 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:53:39,211 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2632 [2021-06-11 19:53:39,214 INFO L480 AbstractCegarLoop]: Abstraction has has 187 places, 250 transitions, 3512 flow [2021-06-11 19:53:39,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 32.0) internal successors, (224), 7 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:53:39,214 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:53:39,214 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:53:39,429 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-06-11 19:53:39,429 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:53:39,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:53:39,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1905194383, now seen corresponding path program 3 times [2021-06-11 19:53:39,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:53:39,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647443992] [2021-06-11 19:53:39,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:53:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:53:39,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:53:39,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:53:39,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:53:39,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:53:39,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:39,457 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:53:39,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647443992] [2021-06-11 19:53:39,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507898866] [2021-06-11 19:53:39,458 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 19:53:39,493 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-11 19:53:39,493 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 19:53:39,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-11 19:53:39,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 19:53:39,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:53:39,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:53:39,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:53:39,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:53:39,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:53:39,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:53:39,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:53:39,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:53:39,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:53:39,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:53:39,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:53:39,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:53:39,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:53:39,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:53:39,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:53:39,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:53:39,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:53:39,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:53:39,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:53:39,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:53:39,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:53:39,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:53:39,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:53:39,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:53:39,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:53:39,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:53:39,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:53:39,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:53:39,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:53:39,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:53:39,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:53:39,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:53:39,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:53:39,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:53:39,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:53:39,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:53:39,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:53:39,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:53:39,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:53:39,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:53:39,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:53:39,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:53:39,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:53:39,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:53:39,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:53:39,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:53:39,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:53:39,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:53:39,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:53:39,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:53:39,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:53:39,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:53:39,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:53:39,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:53:39,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:53:39,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:53:39,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:53:39,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:53:39,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 19:53:39,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:53:39,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:53:39,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 19:53:39,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:53:39,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:53:39,538 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-06-11 19:53:39,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:53:39,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:53:39,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:53:39,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 19:53:39,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:39,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:39,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:39,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:39,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:39,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:39,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:39,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:39,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:39,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:39,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:39,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:39,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:39,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:39,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:39,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:39,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:39,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:39,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:39,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:39,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:39,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:39,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:39,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:39,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:39,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:53:39,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:53:39,565 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:53:39,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 19:53:39,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-06-11 19:53:39,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186431739] [2021-06-11 19:53:39,565 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 19:53:39,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:53:39,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 19:53:39,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-11 19:53:39,566 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-06-11 19:53:39,566 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 250 transitions, 3512 flow. Second operand has 7 states, 7 states have (on average 31.857142857142858) internal successors, (223), 7 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:53:39,566 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:53:39,566 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-06-11 19:53:39,566 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:54:15,093 INFO L129 PetriNetUnfolder]: 216409/271847 cut-off events. [2021-06-11 19:54:15,094 INFO L130 PetriNetUnfolder]: For 4897216/4908807 co-relation queries the response was YES. [2021-06-11 19:54:19,679 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2242621 conditions, 271847 events. 216409/271847 cut-off events. For 4897216/4908807 co-relation queries the response was YES. Maximal size of possible extension queue 10908. Compared 1603290 event pairs, 22145 based on Foata normal form. 11107/282129 useless extension candidates. Maximal degree in co-relation 2236328. Up to 154126 conditions per place. [2021-06-11 19:54:21,383 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 1052 selfloop transitions, 46 changer transitions 0/1110 dead transitions. [2021-06-11 19:54:21,383 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 1110 transitions, 18206 flow [2021-06-11 19:54:21,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 19:54:21,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 19:54:21,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 365 transitions. [2021-06-11 19:54:21,384 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6759259259259259 [2021-06-11 19:54:21,384 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 365 transitions. [2021-06-11 19:54:21,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 365 transitions. [2021-06-11 19:54:21,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:54:21,385 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 365 transitions. [2021-06-11 19:54:21,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 40.55555555555556) internal successors, (365), 9 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:54:21,385 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 60.0) internal successors, (600), 10 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:54:21,386 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 60.0) internal successors, (600), 10 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:54:21,386 INFO L185 Difference]: Start difference. First operand has 187 places, 250 transitions, 3512 flow. Second operand 9 states and 365 transitions. [2021-06-11 19:54:21,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 1110 transitions, 18206 flow [2021-06-11 19:57:25,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 1110 transitions, 16821 flow, removed 569 selfloop flow, removed 3 redundant places. [2021-06-11 19:57:25,085 INFO L241 Difference]: Finished difference. Result has 199 places, 267 transitions, 3673 flow [2021-06-11 19:57:25,085 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=3276, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3673, PETRI_PLACES=199, PETRI_TRANSITIONS=267} [2021-06-11 19:57:25,085 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 160 predicate places. [2021-06-11 19:57:25,085 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:57:25,086 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 199 places, 267 transitions, 3673 flow [2021-06-11 19:57:25,086 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 199 places, 267 transitions, 3673 flow [2021-06-11 19:57:25,087 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 199 places, 267 transitions, 3673 flow [2021-06-11 19:57:30,071 INFO L129 PetriNetUnfolder]: 30945/49878 cut-off events. [2021-06-11 19:57:30,071 INFO L130 PetriNetUnfolder]: For 649623/666338 co-relation queries the response was YES. [2021-06-11 19:57:31,312 INFO L84 FinitePrefix]: Finished finitePrefix Result has 340515 conditions, 49878 events. 30945/49878 cut-off events. For 649623/666338 co-relation queries the response was YES. Maximal size of possible extension queue 3495. Compared 438877 event pairs, 7581 based on Foata normal form. 2364/49947 useless extension candidates. Maximal degree in co-relation 337150. Up to 34433 conditions per place. [2021-06-11 19:57:32,975 INFO L151 LiptonReduction]: Number of co-enabled transitions 13526 [2021-06-11 19:57:33,563 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:57:33,563 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:57:33,563 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8478 [2021-06-11 19:57:33,563 INFO L480 AbstractCegarLoop]: Abstraction has has 199 places, 267 transitions, 3673 flow [2021-06-11 19:57:33,563 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.857142857142858) internal successors, (223), 7 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:57:33,564 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:57:33,564 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:57:33,765 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-06-11 19:57:33,765 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:57:33,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:57:33,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1113804974, now seen corresponding path program 4 times [2021-06-11 19:57:33,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:57:33,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443465595] [2021-06-11 19:57:33,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:57:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:57:33,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:57:33,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:57:33,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:57:33,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:57:33,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:57:33,798 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:57:33,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443465595] [2021-06-11 19:57:33,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954775192] [2021-06-11 19:57:33,798 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 19:57:33,822 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 19:57:33,822 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 19:57:33,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-11 19:57:33,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 19:57:33,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:57:33,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:57:33,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:57:33,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:57:33,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:57:33,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:57:33,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:57:33,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:57:33,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:57:33,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:57:33,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:57:33,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:57:33,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:57:33,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:57:33,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:57:33,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:57:33,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:57:33,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:57:33,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:57:33,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:57:33,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:57:33,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:57:33,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:57:33,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:57:33,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:57:33,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:57:33,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:57:33,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:57:33,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:57:33,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:57:33,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-06-11 19:57:33,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-06-11 19:57:33,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:57:33,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:57:33,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:57:33,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:57:33,840 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-06-11 19:57:33,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:57:33,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:57:33,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:57:33,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 19:57:33,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:57:33,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 19:57:33,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:57:33,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 19:57:33,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 19:57:33,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:57:33,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 19:57:33,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 19:57:33,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 19:57:33,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 19:57:33,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:57:33,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:57:33,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:57:33,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:57:33,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:57:33,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:57:33,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:57:33,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:57:33,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:57:33,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:57:33,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:57:33,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:57:33,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:57:33,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:57:33,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:57:33,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 19:57:33,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:57:33,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:57:33,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 19:57:33,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 19:57:33,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 19:57:33,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:57:33,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:57:33,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:57:33,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:57:33,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:57:33,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:57:33,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:57:33,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:57:33,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:57:33,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:57:33,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:57:33,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:57:33,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:57:33,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:57:33,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:57:33,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:57:33,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:57:33,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:57:33,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:57:33,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:57:33,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:57:33,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:57:33,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:57:33,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:57:33,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:57:33,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:57:33,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 19:57:33,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-06-11 19:57:33,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352853144] [2021-06-11 19:57:33,880 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 19:57:33,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:57:33,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 19:57:33,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-11 19:57:33,881 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-06-11 19:57:33,881 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 267 transitions, 3673 flow. Second operand has 7 states, 7 states have (on average 32.42857142857143) internal successors, (227), 7 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:57:33,881 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:57:33,881 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-06-11 19:57:33,881 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:58:28,347 INFO L129 PetriNetUnfolder]: 314173/394737 cut-off events. [2021-06-11 19:58:28,347 INFO L130 PetriNetUnfolder]: For 6917797/6931146 co-relation queries the response was YES. [2021-06-11 19:58:35,306 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3329165 conditions, 394737 events. 314173/394737 cut-off events. For 6917797/6931146 co-relation queries the response was YES. Maximal size of possible extension queue 14885. Compared 2366770 event pairs, 1385 based on Foata normal form. 7429/401294 useless extension candidates. Maximal degree in co-relation 3321196. Up to 220048 conditions per place. [2021-06-11 19:58:37,549 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 1677 selfloop transitions, 72 changer transitions 0/1761 dead transitions. [2021-06-11 19:58:37,550 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 1761 transitions, 27264 flow [2021-06-11 19:58:37,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 19:58:37,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 19:58:37,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 522 transitions. [2021-06-11 19:58:37,551 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6692307692307692 [2021-06-11 19:58:37,551 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 522 transitions. [2021-06-11 19:58:37,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 522 transitions. [2021-06-11 19:58:37,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:58:37,551 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 522 transitions. [2021-06-11 19:58:37,552 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 40.15384615384615) internal successors, (522), 13 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:58:37,552 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 60.0) internal successors, (840), 14 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:58:37,552 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 60.0) internal successors, (840), 14 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:58:37,552 INFO L185 Difference]: Start difference. First operand has 199 places, 267 transitions, 3673 flow. Second operand 13 states and 522 transitions. [2021-06-11 19:58:37,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 1761 transitions, 27264 flow Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown