/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_7.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 04:07:05,869 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 04:07:05,871 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 04:07:05,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-29 04:07:05,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-29 04:07:05,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-29 04:07:05,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-29 04:07:05,928 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-29 04:07:05,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-29 04:07:05,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-29 04:07:05,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-29 04:07:05,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-29 04:07:05,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 04:07:05,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 04:07:05,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 04:07:05,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 04:07:05,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 04:07:05,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 04:07:05,962 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 04:07:05,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 04:07:05,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 04:07:05,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 04:07:05,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 04:07:05,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 04:07:05,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-29 04:07:05,999 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 04:07:06,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 04:07:06,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 04:07:06,002 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-29 04:07:06,045 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 04:07:06,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 04:07:06,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 04:07:06,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 04:07:06,050 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 04:07:06,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 04:07:06,051 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 04:07:06,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 04:07:06,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 04:07:06,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 04:07:06,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 04:07:06,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 04:07:06,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 04:07:06,053 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 04:07:06,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 04:07:06,053 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 04:07:06,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 04:07:06,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 04:07:06,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 04:07:06,054 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 04:07:06,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 04:07:06,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 04:07:06,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 04:07:06,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 04:07:06,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 04:07:06,056 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 04:07:06,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 04:07:06,057 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 04:07:06,058 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 04:07:06,058 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 04:07:06,058 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 04:07:06,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 04:07:06,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 04:07:06,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 04:07:06,493 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-04-29 04:07:06,497 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-04-29 04:07:06,498 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_7.bpl [2021-04-29 04:07:06,498 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_7.bpl' [2021-04-29 04:07:06,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 04:07:06,588 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-29 04:07:06,589 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 04:07:06,590 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 04:07:06,590 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 04:07:06,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:07:06" (1/1) ... [2021-04-29 04:07:06,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:07:06" (1/1) ... [2021-04-29 04:07:06,632 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 04:07:06,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 04:07:06,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 04:07:06,635 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 04:07:06,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:07:06" (1/1) ... [2021-04-29 04:07:06,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:07:06" (1/1) ... [2021-04-29 04:07:06,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:07:06" (1/1) ... [2021-04-29 04:07:06,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:07:06" (1/1) ... [2021-04-29 04:07:06,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:07:06" (1/1) ... [2021-04-29 04:07:06,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:07:06" (1/1) ... [2021-04-29 04:07:06,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:07:06" (1/1) ... [2021-04-29 04:07:06,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 04:07:06,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 04:07:06,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 04:07:06,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 04:07:06,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:07:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 04:07:06,757 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2021-04-29 04:07:06,759 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2021-04-29 04:07:06,759 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2021-04-29 04:07:06,760 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2021-04-29 04:07:06,760 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2021-04-29 04:07:06,760 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2021-04-29 04:07:06,760 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2021-04-29 04:07:06,761 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2021-04-29 04:07:06,761 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2021-04-29 04:07:06,761 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2021-04-29 04:07:06,762 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2021-04-29 04:07:06,762 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2021-04-29 04:07:06,762 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2021-04-29 04:07:06,762 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2021-04-29 04:07:06,762 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2021-04-29 04:07:06,762 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-04-29 04:07:06,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 04:07:06,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 04:07:06,763 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2021-04-29 04:07:06,764 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2021-04-29 04:07:06,764 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2021-04-29 04:07:06,766 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2021-04-29 04:07:06,766 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2021-04-29 04:07:06,767 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2021-04-29 04:07:06,769 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-29 04:07:06,958 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 04:07:06,958 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-04-29 04:07:06,960 INFO L202 PluginConnector]: Adding new model example_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 04:07:06 BoogieIcfgContainer [2021-04-29 04:07:06,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 04:07:06,962 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 04:07:06,962 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 04:07:06,966 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 04:07:06,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:07:06" (1/2) ... [2021-04-29 04:07:06,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7282ae45 and model type example_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 04:07:06, skipping insertion in model container [2021-04-29 04:07:06,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 04:07:06" (2/2) ... [2021-04-29 04:07:06,969 INFO L111 eAbstractionObserver]: Analyzing ICFG example_7.bpl [2021-04-29 04:07:06,977 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 04:07:06,982 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-29 04:07:06,983 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 04:07:07,096 INFO L149 ThreadInstanceAdder]: Constructed 49 joinOtherThreadTransitions. [2021-04-29 04:07:07,125 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-04-29 04:07:07,163 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 04:07:07,163 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 04:07:07,163 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 04:07:07,164 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 04:07:07,164 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 04:07:07,164 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 04:07:07,164 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 04:07:07,164 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 04:07:07,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 80 transitions, 342 flow [2021-04-29 04:07:07,432 INFO L129 PetriNetUnfolder]: 321/472 cut-off events. [2021-04-29 04:07:07,433 INFO L130 PetriNetUnfolder]: For 448/448 co-relation queries the response was YES. [2021-04-29 04:07:07,443 INFO L84 FinitePrefix]: Finished finitePrefix Result has 942 conditions, 472 events. 321/472 cut-off events. For 448/448 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1541 event pairs, 0 based on Foata normal form. 0/471 useless extension candidates. Maximal degree in co-relation 416. Up to 140 conditions per place. [2021-04-29 04:07:07,443 INFO L82 GeneralOperation]: Start removeDead. Operand has 60 places, 80 transitions, 342 flow [2021-04-29 04:07:07,459 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 51 places, 71 transitions, 310 flow [2021-04-29 04:07:07,461 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:07,491 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 71 transitions, 310 flow [2021-04-29 04:07:07,503 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 71 transitions, 310 flow [2021-04-29 04:07:07,507 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 71 transitions, 310 flow [2021-04-29 04:07:07,646 INFO L129 PetriNetUnfolder]: 321/470 cut-off events. [2021-04-29 04:07:07,646 INFO L130 PetriNetUnfolder]: For 448/448 co-relation queries the response was YES. [2021-04-29 04:07:07,651 INFO L84 FinitePrefix]: Finished finitePrefix Result has 940 conditions, 470 events. 321/470 cut-off events. For 448/448 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1573 event pairs, 0 based on Foata normal form. 0/470 useless extension candidates. Maximal degree in co-relation 416. Up to 140 conditions per place. [2021-04-29 04:07:07,666 INFO L146 LiptonReduction]: Number of co-enabled transitions 1260 [2021-04-29 04:07:07,880 INFO L158 LiptonReduction]: Checked pairs total: 357 [2021-04-29 04:07:07,880 INFO L160 LiptonReduction]: Total number of compositions: 7 [2021-04-29 04:07:07,884 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 424 [2021-04-29 04:07:07,960 INFO L129 PetriNetUnfolder]: 321/469 cut-off events. [2021-04-29 04:07:07,960 INFO L130 PetriNetUnfolder]: For 448/448 co-relation queries the response was YES. [2021-04-29 04:07:07,961 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:07,962 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] [2021-04-29 04:07:07,962 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:07,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:07,971 INFO L82 PathProgramCache]: Analyzing trace with hash 598374090, now seen corresponding path program 1 times [2021-04-29 04:07:07,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:07,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682945330] [2021-04-29 04:07:07,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:08,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:08,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:08,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:08,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:07:08,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:08,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:08,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:08,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682945330] [2021-04-29 04:07:08,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:08,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 04:07:08,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901527864] [2021-04-29 04:07:08,189 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 04:07:08,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:08,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 04:07:08,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 04:07:08,214 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 87 [2021-04-29 04:07:08,219 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 71 transitions, 310 flow. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:08,220 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:08,220 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 87 [2021-04-29 04:07:08,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:08,299 INFO L129 PetriNetUnfolder]: 135/227 cut-off events. [2021-04-29 04:07:08,300 INFO L130 PetriNetUnfolder]: For 391/391 co-relation queries the response was YES. [2021-04-29 04:07:08,301 INFO L84 FinitePrefix]: Finished finitePrefix Result has 463 conditions, 227 events. 135/227 cut-off events. For 391/391 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 759 event pairs, 0 based on Foata normal form. 57/277 useless extension candidates. Maximal degree in co-relation 401. Up to 60 conditions per place. [2021-04-29 04:07:08,304 INFO L132 encePairwiseOnDemand]: 81/87 looper letters, 2 selfloop transitions, 1 changer transitions 0/66 dead transitions. [2021-04-29 04:07:08,305 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 66 transitions, 291 flow [2021-04-29 04:07:08,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 04:07:08,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 04:07:08,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 245 transitions. [2021-04-29 04:07:08,324 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9386973180076629 [2021-04-29 04:07:08,325 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 245 transitions. [2021-04-29 04:07:08,325 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 245 transitions. [2021-04-29 04:07:08,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:08,331 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 245 transitions. [2021-04-29 04:07:08,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:08,348 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:08,349 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:08,351 INFO L185 Difference]: Start difference. First operand has 51 places, 71 transitions, 310 flow. Second operand 3 states and 245 transitions. [2021-04-29 04:07:08,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 66 transitions, 291 flow [2021-04-29 04:07:08,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 66 transitions, 189 flow, removed 0 selfloop flow, removed 14 redundant places. [2021-04-29 04:07:08,365 INFO L241 Difference]: Finished difference. Result has 39 places, 66 transitions, 185 flow [2021-04-29 04:07:08,367 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=185, PETRI_PLACES=39, PETRI_TRANSITIONS=66} [2021-04-29 04:07:08,368 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, -12 predicate places. [2021-04-29 04:07:08,369 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:08,369 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 66 transitions, 185 flow [2021-04-29 04:07:08,370 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 66 transitions, 185 flow [2021-04-29 04:07:08,371 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 66 transitions, 185 flow [2021-04-29 04:07:08,390 INFO L129 PetriNetUnfolder]: 135/227 cut-off events. [2021-04-29 04:07:08,390 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 04:07:08,391 INFO L84 FinitePrefix]: Finished finitePrefix Result has 237 conditions, 227 events. 135/227 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 722 event pairs, 0 based on Foata normal form. 0/220 useless extension candidates. Maximal degree in co-relation 222. Up to 60 conditions per place. [2021-04-29 04:07:08,394 INFO L146 LiptonReduction]: Number of co-enabled transitions 1020 [2021-04-29 04:07:08,409 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:08,410 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:08,410 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41 [2021-04-29 04:07:08,417 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 66 transitions, 185 flow [2021-04-29 04:07:08,418 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:08,418 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:08,418 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] [2021-04-29 04:07:08,418 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 04:07:08,419 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:08,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:08,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1574009104, now seen corresponding path program 1 times [2021-04-29 04:07:08,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:08,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378574038] [2021-04-29 04:07:08,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:08,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:08,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:08,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:08,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:07:08,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:08,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:08,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:08,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378574038] [2021-04-29 04:07:08,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:08,498 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 04:07:08,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416138567] [2021-04-29 04:07:08,503 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 04:07:08,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:08,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 04:07:08,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 04:07:08,510 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 87 [2021-04-29 04:07:08,511 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 66 transitions, 185 flow. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:08,511 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:08,511 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 87 [2021-04-29 04:07:08,512 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:08,568 INFO L129 PetriNetUnfolder]: 130/221 cut-off events. [2021-04-29 04:07:08,568 INFO L130 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2021-04-29 04:07:08,569 INFO L84 FinitePrefix]: Finished finitePrefix Result has 265 conditions, 221 events. 130/221 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 744 event pairs, 0 based on Foata normal form. 1/215 useless extension candidates. Maximal degree in co-relation 248. Up to 60 conditions per place. [2021-04-29 04:07:08,571 INFO L132 encePairwiseOnDemand]: 85/87 looper letters, 6 selfloop transitions, 1 changer transitions 0/65 dead transitions. [2021-04-29 04:07:08,571 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 65 transitions, 196 flow [2021-04-29 04:07:08,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 04:07:08,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 04:07:08,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 245 transitions. [2021-04-29 04:07:08,578 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9386973180076629 [2021-04-29 04:07:08,578 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 245 transitions. [2021-04-29 04:07:08,578 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 245 transitions. [2021-04-29 04:07:08,579 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:08,579 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 245 transitions. [2021-04-29 04:07:08,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:08,585 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:08,586 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:08,586 INFO L185 Difference]: Start difference. First operand has 39 places, 66 transitions, 185 flow. Second operand 3 states and 245 transitions. [2021-04-29 04:07:08,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 65 transitions, 196 flow [2021-04-29 04:07:08,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 65 transitions, 195 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 04:07:08,594 INFO L241 Difference]: Finished difference. Result has 40 places, 65 transitions, 183 flow [2021-04-29 04:07:08,594 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=181, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=183, PETRI_PLACES=40, PETRI_TRANSITIONS=65} [2021-04-29 04:07:08,596 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, -11 predicate places. [2021-04-29 04:07:08,597 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:08,597 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 65 transitions, 183 flow [2021-04-29 04:07:08,598 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 65 transitions, 183 flow [2021-04-29 04:07:08,599 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 65 transitions, 183 flow [2021-04-29 04:07:08,619 INFO L129 PetriNetUnfolder]: 130/221 cut-off events. [2021-04-29 04:07:08,620 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 04:07:08,622 INFO L84 FinitePrefix]: Finished finitePrefix Result has 232 conditions, 221 events. 130/221 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 681 event pairs, 0 based on Foata normal form. 0/214 useless extension candidates. Maximal degree in co-relation 225. Up to 60 conditions per place. [2021-04-29 04:07:08,631 INFO L146 LiptonReduction]: Number of co-enabled transitions 996 [2021-04-29 04:07:08,646 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:08,647 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:08,647 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50 [2021-04-29 04:07:08,649 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 65 transitions, 183 flow [2021-04-29 04:07:08,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:08,650 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:08,650 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] [2021-04-29 04:07:08,650 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-29 04:07:08,650 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:08,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:08,651 INFO L82 PathProgramCache]: Analyzing trace with hash -900572346, now seen corresponding path program 1 times [2021-04-29 04:07:08,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:08,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405737456] [2021-04-29 04:07:08,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:08,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:08,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:08,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:08,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:08,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:07:08,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:08,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:08,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:08,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405737456] [2021-04-29 04:07:08,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:08,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 04:07:08,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227932730] [2021-04-29 04:07:08,683 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 04:07:08,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:08,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 04:07:08,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 04:07:08,685 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 87 [2021-04-29 04:07:08,686 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 65 transitions, 183 flow. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:08,686 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:08,686 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 87 [2021-04-29 04:07:08,687 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:08,728 INFO L129 PetriNetUnfolder]: 106/191 cut-off events. [2021-04-29 04:07:08,728 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2021-04-29 04:07:08,729 INFO L84 FinitePrefix]: Finished finitePrefix Result has 231 conditions, 191 events. 106/191 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 671 event pairs, 0 based on Foata normal form. 5/189 useless extension candidates. Maximal degree in co-relation 223. Up to 60 conditions per place. [2021-04-29 04:07:08,730 INFO L132 encePairwiseOnDemand]: 84/87 looper letters, 5 selfloop transitions, 1 changer transitions 0/63 dead transitions. [2021-04-29 04:07:08,731 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 63 transitions, 189 flow [2021-04-29 04:07:08,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 04:07:08,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 04:07:08,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 245 transitions. [2021-04-29 04:07:08,733 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9386973180076629 [2021-04-29 04:07:08,733 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 245 transitions. [2021-04-29 04:07:08,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 245 transitions. [2021-04-29 04:07:08,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:08,734 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 245 transitions. [2021-04-29 04:07:08,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:08,736 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:08,736 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:08,737 INFO L185 Difference]: Start difference. First operand has 40 places, 65 transitions, 183 flow. Second operand 3 states and 245 transitions. [2021-04-29 04:07:08,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 63 transitions, 189 flow [2021-04-29 04:07:08,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 63 transitions, 188 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 04:07:08,740 INFO L241 Difference]: Finished difference. Result has 41 places, 63 transitions, 178 flow [2021-04-29 04:07:08,741 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=178, PETRI_PLACES=41, PETRI_TRANSITIONS=63} [2021-04-29 04:07:08,741 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, -10 predicate places. [2021-04-29 04:07:08,741 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:08,742 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 63 transitions, 178 flow [2021-04-29 04:07:08,742 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 63 transitions, 178 flow [2021-04-29 04:07:08,743 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 63 transitions, 178 flow [2021-04-29 04:07:08,760 INFO L129 PetriNetUnfolder]: 106/191 cut-off events. [2021-04-29 04:07:08,760 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 04:07:08,761 INFO L84 FinitePrefix]: Finished finitePrefix Result has 203 conditions, 191 events. 106/191 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 584 event pairs, 0 based on Foata normal form. 0/184 useless extension candidates. Maximal degree in co-relation 196. Up to 60 conditions per place. [2021-04-29 04:07:08,764 INFO L146 LiptonReduction]: Number of co-enabled transitions 948 [2021-04-29 04:07:08,774 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:08,775 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:08,775 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 34 [2021-04-29 04:07:08,777 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 63 transitions, 178 flow [2021-04-29 04:07:08,777 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:08,778 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:08,778 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] [2021-04-29 04:07:08,778 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-29 04:07:08,778 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:08,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:08,779 INFO L82 PathProgramCache]: Analyzing trace with hash 960821950, now seen corresponding path program 1 times [2021-04-29 04:07:08,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:08,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031660320] [2021-04-29 04:07:08,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:08,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:08,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:08,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:08,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:07:08,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:08,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:08,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:08,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031660320] [2021-04-29 04:07:08,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:08,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 04:07:08,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685274512] [2021-04-29 04:07:08,810 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 04:07:08,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:08,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 04:07:08,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 04:07:08,812 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 87 [2021-04-29 04:07:08,813 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 63 transitions, 178 flow. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:08,813 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:08,813 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 87 [2021-04-29 04:07:08,813 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:08,836 INFO L129 PetriNetUnfolder]: 41/101 cut-off events. [2021-04-29 04:07:08,837 INFO L130 PetriNetUnfolder]: For 27/27 co-relation queries the response was YES. [2021-04-29 04:07:08,837 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 101 events. 41/101 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 278 event pairs, 0 based on Foata normal form. 20/114 useless extension candidates. Maximal degree in co-relation 114. Up to 20 conditions per place. [2021-04-29 04:07:08,838 INFO L132 encePairwiseOnDemand]: 82/87 looper letters, 3 selfloop transitions, 1 changer transitions 0/59 dead transitions. [2021-04-29 04:07:08,838 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 59 transitions, 174 flow [2021-04-29 04:07:08,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 04:07:08,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 04:07:08,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 245 transitions. [2021-04-29 04:07:08,840 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9386973180076629 [2021-04-29 04:07:08,841 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 245 transitions. [2021-04-29 04:07:08,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 245 transitions. [2021-04-29 04:07:08,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:08,841 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 245 transitions. [2021-04-29 04:07:08,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:08,844 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:08,844 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:08,844 INFO L185 Difference]: Start difference. First operand has 41 places, 63 transitions, 178 flow. Second operand 3 states and 245 transitions. [2021-04-29 04:07:08,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 59 transitions, 174 flow [2021-04-29 04:07:08,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 59 transitions, 173 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 04:07:08,848 INFO L241 Difference]: Finished difference. Result has 42 places, 59 transitions, 167 flow [2021-04-29 04:07:08,848 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=165, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=167, PETRI_PLACES=42, PETRI_TRANSITIONS=59} [2021-04-29 04:07:08,848 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, -9 predicate places. [2021-04-29 04:07:08,849 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:08,849 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 59 transitions, 167 flow [2021-04-29 04:07:08,849 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 59 transitions, 167 flow [2021-04-29 04:07:08,850 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 59 transitions, 167 flow [2021-04-29 04:07:08,865 INFO L129 PetriNetUnfolder]: 41/101 cut-off events. [2021-04-29 04:07:08,865 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 04:07:08,866 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 101 events. 41/101 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 271 event pairs, 0 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 107. Up to 20 conditions per place. [2021-04-29 04:07:08,867 INFO L146 LiptonReduction]: Number of co-enabled transitions 772 [2021-04-29 04:07:08,877 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:08,877 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:08,877 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 28 [2021-04-29 04:07:08,880 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 59 transitions, 167 flow [2021-04-29 04:07:08,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:08,881 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:08,881 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] [2021-04-29 04:07:08,881 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-29 04:07:08,882 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:08,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:08,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1474659724, now seen corresponding path program 1 times [2021-04-29 04:07:08,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:08,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151039388] [2021-04-29 04:07:08,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:08,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:08,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:08,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:08,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:07:08,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:08,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:08,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:08,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151039388] [2021-04-29 04:07:08,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:08,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 04:07:08,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975834650] [2021-04-29 04:07:08,956 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 04:07:08,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:08,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 04:07:08,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 04:07:08,958 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 87 [2021-04-29 04:07:08,959 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 59 transitions, 167 flow. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:08,959 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:08,960 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 87 [2021-04-29 04:07:08,960 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:08,981 INFO L129 PetriNetUnfolder]: 21/71 cut-off events. [2021-04-29 04:07:09,002 INFO L130 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2021-04-29 04:07:09,003 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 71 events. 21/71 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 160 event pairs, 0 based on Foata normal form. 6/70 useless extension candidates. Maximal degree in co-relation 85. Up to 12 conditions per place. [2021-04-29 04:07:09,003 INFO L132 encePairwiseOnDemand]: 83/87 looper letters, 4 selfloop transitions, 1 changer transitions 2/56 dead transitions. [2021-04-29 04:07:09,004 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 56 transitions, 168 flow [2021-04-29 04:07:09,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 04:07:09,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 04:07:09,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 245 transitions. [2021-04-29 04:07:09,006 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9386973180076629 [2021-04-29 04:07:09,006 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 245 transitions. [2021-04-29 04:07:09,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 245 transitions. [2021-04-29 04:07:09,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:09,007 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 245 transitions. [2021-04-29 04:07:09,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:09,009 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:09,010 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:09,010 INFO L185 Difference]: Start difference. First operand has 42 places, 59 transitions, 167 flow. Second operand 3 states and 245 transitions. [2021-04-29 04:07:09,010 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 56 transitions, 168 flow [2021-04-29 04:07:09,011 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 56 transitions, 167 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 04:07:09,016 INFO L241 Difference]: Finished difference. Result has 43 places, 54 transitions, 155 flow [2021-04-29 04:07:09,016 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=157, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=155, PETRI_PLACES=43, PETRI_TRANSITIONS=54} [2021-04-29 04:07:09,016 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, -8 predicate places. [2021-04-29 04:07:09,017 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:09,017 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 54 transitions, 155 flow [2021-04-29 04:07:09,017 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 54 transitions, 155 flow [2021-04-29 04:07:09,018 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 54 transitions, 155 flow [2021-04-29 04:07:09,025 INFO L129 PetriNetUnfolder]: 21/69 cut-off events. [2021-04-29 04:07:09,026 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 04:07:09,026 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 69 events. 21/69 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 150 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 76. Up to 12 conditions per place. [2021-04-29 04:07:09,027 INFO L146 LiptonReduction]: Number of co-enabled transitions 538 [2021-04-29 04:07:09,035 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:09,035 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:09,036 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 19 [2021-04-29 04:07:09,040 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 54 transitions, 155 flow [2021-04-29 04:07:09,041 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:09,041 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:09,041 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] [2021-04-29 04:07:09,041 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-29 04:07:09,042 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:09,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:09,042 INFO L82 PathProgramCache]: Analyzing trace with hash 15760504, now seen corresponding path program 1 times [2021-04-29 04:07:09,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:09,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448267048] [2021-04-29 04:07:09,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:09,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:09,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:09,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:09,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:07:09,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:09,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:09,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:09,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448267048] [2021-04-29 04:07:09,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:09,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 04:07:09,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728973057] [2021-04-29 04:07:09,113 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 04:07:09,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:09,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 04:07:09,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 04:07:09,115 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 87 [2021-04-29 04:07:09,116 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 54 transitions, 155 flow. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:09,118 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:09,118 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 87 [2021-04-29 04:07:09,118 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:09,148 INFO L129 PetriNetUnfolder]: 0/27 cut-off events. [2021-04-29 04:07:09,148 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-04-29 04:07:09,148 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 27 events. 0/27 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 35 event pairs, 0 based on Foata normal form. 6/28 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-29 04:07:09,149 INFO L132 encePairwiseOnDemand]: 80/87 looper letters, 1 selfloop transitions, 1 changer transitions 5/27 dead transitions. [2021-04-29 04:07:09,149 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 27 transitions, 78 flow [2021-04-29 04:07:09,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 04:07:09,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 04:07:09,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 245 transitions. [2021-04-29 04:07:09,151 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9386973180076629 [2021-04-29 04:07:09,151 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 245 transitions. [2021-04-29 04:07:09,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 245 transitions. [2021-04-29 04:07:09,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:09,152 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 245 transitions. [2021-04-29 04:07:09,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:09,159 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:09,160 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:09,160 INFO L185 Difference]: Start difference. First operand has 41 places, 54 transitions, 155 flow. Second operand 3 states and 245 transitions. [2021-04-29 04:07:09,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 27 transitions, 78 flow [2021-04-29 04:07:09,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 27 transitions, 77 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 04:07:09,162 INFO L241 Difference]: Finished difference. Result has 42 places, 22 transitions, 65 flow [2021-04-29 04:07:09,163 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=73, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=65, PETRI_PLACES=42, PETRI_TRANSITIONS=22} [2021-04-29 04:07:09,163 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, -9 predicate places. [2021-04-29 04:07:09,164 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:09,164 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 22 transitions, 65 flow [2021-04-29 04:07:09,164 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 22 transitions, 65 flow [2021-04-29 04:07:09,165 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 22 transitions, 65 flow [2021-04-29 04:07:09,171 INFO L129 PetriNetUnfolder]: 0/22 cut-off events. [2021-04-29 04:07:09,171 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 04:07:09,171 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 22 events. 0/22 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 13 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-04-29 04:07:09,172 INFO L146 LiptonReduction]: Number of co-enabled transitions 126 [2021-04-29 04:07:09,174 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:09,174 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:09,174 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-04-29 04:07:09,177 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 22 transitions, 65 flow [2021-04-29 04:07:09,177 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:09,177 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:09,178 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] [2021-04-29 04:07:09,178 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-29 04:07:09,178 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:09,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:09,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1487817772, now seen corresponding path program 1 times [2021-04-29 04:07:09,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:09,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247036464] [2021-04-29 04:07:09,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:09,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:09,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:09,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:09,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:09,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:09,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:09,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:09,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:07:09,426 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:09,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:09,483 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:07:09,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:07:09,526 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:07:09,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:07:09,580 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:07:09,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:07:09,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:09,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247036464] [2021-04-29 04:07:09,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:09,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:07:09,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609918875] [2021-04-29 04:07:09,622 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:07:09,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:09,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:07:09,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:07:09,625 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:07:09,626 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 22 transitions, 65 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:09,627 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:09,627 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:07:09,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:09,892 INFO L129 PetriNetUnfolder]: 387/706 cut-off events. [2021-04-29 04:07:09,892 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 04:07:09,896 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1305 conditions, 706 events. 387/706 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 3441 event pairs, 129 based on Foata normal form. 1/656 useless extension candidates. Maximal degree in co-relation 1297. Up to 225 conditions per place. [2021-04-29 04:07:09,904 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 27 selfloop transitions, 6 changer transitions 1/48 dead transitions. [2021-04-29 04:07:09,905 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 48 transitions, 185 flow [2021-04-29 04:07:09,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:07:09,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:07:09,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:07:09,910 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:07:09,910 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:07:09,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:07:09,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:09,911 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:07:09,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:09,918 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:09,919 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:09,919 INFO L185 Difference]: Start difference. First operand has 37 places, 22 transitions, 65 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:07:09,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 48 transitions, 185 flow [2021-04-29 04:07:09,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 48 transitions, 184 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 04:07:09,923 INFO L241 Difference]: Finished difference. Result has 51 places, 27 transitions, 111 flow [2021-04-29 04:07:09,924 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=111, PETRI_PLACES=51, PETRI_TRANSITIONS=27} [2021-04-29 04:07:09,924 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 0 predicate places. [2021-04-29 04:07:09,924 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:09,925 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 27 transitions, 111 flow [2021-04-29 04:07:09,925 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 27 transitions, 111 flow [2021-04-29 04:07:09,926 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 27 transitions, 111 flow [2021-04-29 04:07:09,939 INFO L129 PetriNetUnfolder]: 0/68 cut-off events. [2021-04-29 04:07:09,940 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-04-29 04:07:09,940 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 68 events. 0/68 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 242 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2021-04-29 04:07:09,941 INFO L146 LiptonReduction]: Number of co-enabled transitions 164 [2021-04-29 04:07:09,945 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:09,946 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:09,946 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 22 [2021-04-29 04:07:09,948 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 27 transitions, 111 flow [2021-04-29 04:07:09,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:09,949 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:09,949 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] [2021-04-29 04:07:09,950 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-29 04:07:09,952 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:09,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:09,953 INFO L82 PathProgramCache]: Analyzing trace with hash 376781970, now seen corresponding path program 2 times [2021-04-29 04:07:09,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:09,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168338791] [2021-04-29 04:07:09,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:10,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:10,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:10,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:10,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:10,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:10,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:10,111 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:10,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:10,133 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:10,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:10,167 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:07:10,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:07:10,213 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-04-29 04:07:10,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 04:07:10,256 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:07:10,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:07:10,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:10,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168338791] [2021-04-29 04:07:10,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:10,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:07:10,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712496080] [2021-04-29 04:07:10,294 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:07:10,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:10,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:07:10,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:07:10,297 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:07:10,298 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 27 transitions, 111 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:10,298 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:10,298 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:07:10,299 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:10,544 INFO L129 PetriNetUnfolder]: 457/1048 cut-off events. [2021-04-29 04:07:10,545 INFO L130 PetriNetUnfolder]: For 1034/1139 co-relation queries the response was YES. [2021-04-29 04:07:10,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2678 conditions, 1048 events. 457/1048 cut-off events. For 1034/1139 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 7106 event pairs, 147 based on Foata normal form. 1/996 useless extension candidates. Maximal degree in co-relation 2663. Up to 301 conditions per place. [2021-04-29 04:07:10,557 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 38 selfloop transitions, 9 changer transitions 2/63 dead transitions. [2021-04-29 04:07:10,557 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 63 transitions, 379 flow [2021-04-29 04:07:10,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:07:10,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:07:10,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:07:10,560 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:07:10,560 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:07:10,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:07:10,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:10,561 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:07:10,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:10,565 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:10,566 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:10,566 INFO L185 Difference]: Start difference. First operand has 50 places, 27 transitions, 111 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:07:10,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 63 transitions, 379 flow [2021-04-29 04:07:10,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 63 transitions, 360 flow, removed 6 selfloop flow, removed 2 redundant places. [2021-04-29 04:07:10,571 INFO L241 Difference]: Finished difference. Result has 63 places, 35 transitions, 201 flow [2021-04-29 04:07:10,571 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=201, PETRI_PLACES=63, PETRI_TRANSITIONS=35} [2021-04-29 04:07:10,571 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 12 predicate places. [2021-04-29 04:07:10,572 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:10,572 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 35 transitions, 201 flow [2021-04-29 04:07:10,572 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 35 transitions, 201 flow [2021-04-29 04:07:10,573 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 35 transitions, 201 flow [2021-04-29 04:07:10,601 INFO L129 PetriNetUnfolder]: 0/192 cut-off events. [2021-04-29 04:07:10,601 INFO L130 PetriNetUnfolder]: For 117/121 co-relation queries the response was YES. [2021-04-29 04:07:10,601 INFO L84 FinitePrefix]: Finished finitePrefix Result has 370 conditions, 192 events. 0/192 cut-off events. For 117/121 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1375 event pairs, 0 based on Foata normal form. 0/166 useless extension candidates. Maximal degree in co-relation 0. Up to 22 conditions per place. [2021-04-29 04:07:10,604 INFO L146 LiptonReduction]: Number of co-enabled transitions 222 [2021-04-29 04:07:10,608 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:10,608 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:10,608 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 36 [2021-04-29 04:07:10,609 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 35 transitions, 201 flow [2021-04-29 04:07:10,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:10,610 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:10,610 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] [2021-04-29 04:07:10,610 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-29 04:07:10,611 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:10,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:10,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1361534360, now seen corresponding path program 3 times [2021-04-29 04:07:10,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:10,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180354989] [2021-04-29 04:07:10,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:10,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:10,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:10,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:10,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:10,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:10,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:10,671 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:10,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:10,687 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:10,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:10,711 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:07:10,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:07:10,742 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:07:10,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:07:10,779 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:07:10,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:07:10,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:10,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180354989] [2021-04-29 04:07:10,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:10,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:07:10,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665558057] [2021-04-29 04:07:10,817 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:07:10,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:10,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:07:10,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:07:10,819 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:07:10,820 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 35 transitions, 201 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:10,820 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:10,820 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:07:10,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:11,174 INFO L129 PetriNetUnfolder]: 542/1498 cut-off events. [2021-04-29 04:07:11,174 INFO L130 PetriNetUnfolder]: For 3619/3751 co-relation queries the response was YES. [2021-04-29 04:07:11,183 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4718 conditions, 1498 events. 542/1498 cut-off events. For 3619/3751 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 12625 event pairs, 166 based on Foata normal form. 1/1435 useless extension candidates. Maximal degree in co-relation 4697. Up to 421 conditions per place. [2021-04-29 04:07:11,197 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 48 selfloop transitions, 18 changer transitions 1/81 dead transitions. [2021-04-29 04:07:11,198 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 81 transitions, 653 flow [2021-04-29 04:07:11,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:07:11,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:07:11,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:07:11,201 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:07:11,201 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:07:11,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:07:11,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:11,203 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:07:11,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:11,208 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:11,208 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:11,209 INFO L185 Difference]: Start difference. First operand has 62 places, 35 transitions, 201 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:07:11,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 81 transitions, 653 flow [2021-04-29 04:07:11,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 81 transitions, 626 flow, removed 10 selfloop flow, removed 2 redundant places. [2021-04-29 04:07:11,222 INFO L241 Difference]: Finished difference. Result has 75 places, 50 transitions, 411 flow [2021-04-29 04:07:11,223 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=411, PETRI_PLACES=75, PETRI_TRANSITIONS=50} [2021-04-29 04:07:11,223 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 24 predicate places. [2021-04-29 04:07:11,223 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:11,223 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 50 transitions, 411 flow [2021-04-29 04:07:11,224 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 50 transitions, 411 flow [2021-04-29 04:07:11,224 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 50 transitions, 411 flow [2021-04-29 04:07:11,290 INFO L129 PetriNetUnfolder]: 0/412 cut-off events. [2021-04-29 04:07:11,290 INFO L130 PetriNetUnfolder]: For 566/595 co-relation queries the response was YES. [2021-04-29 04:07:11,291 INFO L84 FinitePrefix]: Finished finitePrefix Result has 887 conditions, 412 events. 0/412 cut-off events. For 566/595 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3988 event pairs, 0 based on Foata normal form. 0/359 useless extension candidates. Maximal degree in co-relation 0. Up to 46 conditions per place. [2021-04-29 04:07:11,297 INFO L146 LiptonReduction]: Number of co-enabled transitions 320 [2021-04-29 04:07:11,304 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:11,304 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:11,304 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 81 [2021-04-29 04:07:11,306 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 50 transitions, 411 flow [2021-04-29 04:07:11,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:11,306 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:11,307 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] [2021-04-29 04:07:11,307 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-29 04:07:11,307 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:11,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:11,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1202609640, now seen corresponding path program 4 times [2021-04-29 04:07:11,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:11,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157988817] [2021-04-29 04:07:11,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:11,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:11,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:11,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:11,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:11,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:11,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:11,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:11,362 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:11,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:11,379 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:11,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:11,402 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:07:11,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:07:11,433 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:07:11,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:07:11,473 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:07:11,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:07:11,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:11,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157988817] [2021-04-29 04:07:11,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:11,512 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:07:11,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034834882] [2021-04-29 04:07:11,513 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:07:11,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:11,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:07:11,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:07:11,515 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:07:11,517 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 50 transitions, 411 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:11,517 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:11,517 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:07:11,517 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:12,064 INFO L129 PetriNetUnfolder]: 644/2199 cut-off events. [2021-04-29 04:07:12,064 INFO L130 PetriNetUnfolder]: For 9058/9163 co-relation queries the response was YES. [2021-04-29 04:07:12,083 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7845 conditions, 2199 events. 644/2199 cut-off events. For 9058/9163 co-relation queries the response was YES. Maximal size of possible extension queue 254. Compared 22416 event pairs, 203 based on Foata normal form. 1/2104 useless extension candidates. Maximal degree in co-relation 7818. Up to 595 conditions per place. [2021-04-29 04:07:12,106 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 66 selfloop transitions, 31 changer transitions 1/112 dead transitions. [2021-04-29 04:07:12,106 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 112 transitions, 1211 flow [2021-04-29 04:07:12,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:07:12,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:07:12,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:07:12,109 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:07:12,110 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:07:12,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:07:12,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:12,111 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:07:12,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:12,115 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:12,116 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:12,117 INFO L185 Difference]: Start difference. First operand has 74 places, 50 transitions, 411 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:07:12,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 112 transitions, 1211 flow [2021-04-29 04:07:12,153 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 112 transitions, 1186 flow, removed 8 selfloop flow, removed 2 redundant places. [2021-04-29 04:07:12,156 INFO L241 Difference]: Finished difference. Result has 87 places, 76 transitions, 857 flow [2021-04-29 04:07:12,157 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=857, PETRI_PLACES=87, PETRI_TRANSITIONS=76} [2021-04-29 04:07:12,157 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 36 predicate places. [2021-04-29 04:07:12,157 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:12,157 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 76 transitions, 857 flow [2021-04-29 04:07:12,158 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 76 transitions, 857 flow [2021-04-29 04:07:12,159 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 76 transitions, 857 flow [2021-04-29 04:07:12,308 INFO L129 PetriNetUnfolder]: 0/772 cut-off events. [2021-04-29 04:07:12,308 INFO L130 PetriNetUnfolder]: For 2094/2244 co-relation queries the response was YES. [2021-04-29 04:07:12,308 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1893 conditions, 772 events. 0/772 cut-off events. For 2094/2244 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 8922 event pairs, 0 based on Foata normal form. 7/717 useless extension candidates. Maximal degree in co-relation 0. Up to 83 conditions per place. [2021-04-29 04:07:12,320 INFO L146 LiptonReduction]: Number of co-enabled transitions 468 [2021-04-29 04:07:12,334 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:12,334 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:12,334 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 177 [2021-04-29 04:07:12,335 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 76 transitions, 857 flow [2021-04-29 04:07:12,335 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:12,336 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:12,336 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] [2021-04-29 04:07:12,336 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-29 04:07:12,336 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:12,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:12,337 INFO L82 PathProgramCache]: Analyzing trace with hash 1661764568, now seen corresponding path program 5 times [2021-04-29 04:07:12,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:12,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555669703] [2021-04-29 04:07:12,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:12,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:12,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:12,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:12,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:12,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:12,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:12,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:12,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:07:12,402 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:12,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:12,423 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:07:12,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:07:12,450 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:07:12,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:07:12,490 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:07:12,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:07:12,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:12,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555669703] [2021-04-29 04:07:12,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:12,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:07:12,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033759893] [2021-04-29 04:07:12,525 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:07:12,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:12,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:07:12,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:07:12,527 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:07:12,528 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 76 transitions, 857 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:12,528 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:12,528 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:07:12,528 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:13,160 INFO L129 PetriNetUnfolder]: 665/2434 cut-off events. [2021-04-29 04:07:13,161 INFO L130 PetriNetUnfolder]: For 15611/15866 co-relation queries the response was YES. [2021-04-29 04:07:13,176 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10105 conditions, 2434 events. 665/2434 cut-off events. For 15611/15866 co-relation queries the response was YES. Maximal size of possible extension queue 319. Compared 25791 event pairs, 253 based on Foata normal form. 1/2339 useless extension candidates. Maximal degree in co-relation 10072. Up to 666 conditions per place. [2021-04-29 04:07:13,197 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 90 selfloop transitions, 37 changer transitions 1/142 dead transitions. [2021-04-29 04:07:13,198 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 142 transitions, 1874 flow [2021-04-29 04:07:13,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:07:13,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:07:13,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:07:13,200 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:07:13,201 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:07:13,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:07:13,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:13,201 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:07:13,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:13,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:13,206 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:13,206 INFO L185 Difference]: Start difference. First operand has 86 places, 76 transitions, 857 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:07:13,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 142 transitions, 1874 flow [2021-04-29 04:07:13,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 142 transitions, 1836 flow, removed 12 selfloop flow, removed 2 redundant places. [2021-04-29 04:07:13,298 INFO L241 Difference]: Finished difference. Result has 99 places, 95 transitions, 1254 flow [2021-04-29 04:07:13,298 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=842, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1254, PETRI_PLACES=99, PETRI_TRANSITIONS=95} [2021-04-29 04:07:13,299 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 48 predicate places. [2021-04-29 04:07:13,299 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:13,299 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 95 transitions, 1254 flow [2021-04-29 04:07:13,299 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 95 transitions, 1254 flow [2021-04-29 04:07:13,300 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 98 places, 95 transitions, 1254 flow [2021-04-29 04:07:13,488 INFO L129 PetriNetUnfolder]: 0/1012 cut-off events. [2021-04-29 04:07:13,489 INFO L130 PetriNetUnfolder]: For 4305/4559 co-relation queries the response was YES. [2021-04-29 04:07:13,489 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2780 conditions, 1012 events. 0/1012 cut-off events. For 4305/4559 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 12461 event pairs, 0 based on Foata normal form. 7/930 useless extension candidates. Maximal degree in co-relation 0. Up to 105 conditions per place. [2021-04-29 04:07:13,504 INFO L146 LiptonReduction]: Number of co-enabled transitions 546 [2021-04-29 04:07:13,524 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:13,525 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:13,525 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 226 [2021-04-29 04:07:13,526 INFO L480 AbstractCegarLoop]: Abstraction has has 98 places, 95 transitions, 1254 flow [2021-04-29 04:07:13,526 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:13,526 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:13,526 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] [2021-04-29 04:07:13,527 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-29 04:07:13,527 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:13,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:13,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1138961614, now seen corresponding path program 6 times [2021-04-29 04:07:13,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:13,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193784006] [2021-04-29 04:07:13,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:13,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:13,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:13,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:13,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:13,567 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:13,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:13,578 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:13,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:13,592 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:07:13,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:07:13,612 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-04-29 04:07:13,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 04:07:13,654 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-04-29 04:07:13,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 04:07:13,692 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:07:13,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:07:13,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:13,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193784006] [2021-04-29 04:07:13,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:13,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:07:13,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773623117] [2021-04-29 04:07:13,728 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:07:13,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:13,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:07:13,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:07:13,730 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:07:13,731 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 95 transitions, 1254 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:13,731 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:13,732 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:07:13,732 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:14,426 INFO L129 PetriNetUnfolder]: 710/2455 cut-off events. [2021-04-29 04:07:14,427 INFO L130 PetriNetUnfolder]: For 24873/25359 co-relation queries the response was YES. [2021-04-29 04:07:14,445 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12328 conditions, 2455 events. 710/2455 cut-off events. For 24873/25359 co-relation queries the response was YES. Maximal size of possible extension queue 306. Compared 25412 event pairs, 421 based on Foata normal form. 1/2348 useless extension candidates. Maximal degree in co-relation 12289. Up to 785 conditions per place. [2021-04-29 04:07:14,472 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 86 selfloop transitions, 52 changer transitions 2/154 dead transitions. [2021-04-29 04:07:14,473 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 154 transitions, 2322 flow [2021-04-29 04:07:14,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:07:14,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:07:14,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:07:14,476 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:07:14,476 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:07:14,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:07:14,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:14,478 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:07:14,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:14,483 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:14,483 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:14,483 INFO L185 Difference]: Start difference. First operand has 98 places, 95 transitions, 1254 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:07:14,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 154 transitions, 2322 flow [2021-04-29 04:07:14,554 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 154 transitions, 2224 flow, removed 36 selfloop flow, removed 2 redundant places. [2021-04-29 04:07:14,559 INFO L241 Difference]: Finished difference. Result has 111 places, 123 transitions, 1848 flow [2021-04-29 04:07:14,559 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=1192, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1848, PETRI_PLACES=111, PETRI_TRANSITIONS=123} [2021-04-29 04:07:14,559 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 60 predicate places. [2021-04-29 04:07:14,559 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:14,560 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 123 transitions, 1848 flow [2021-04-29 04:07:14,560 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 123 transitions, 1848 flow [2021-04-29 04:07:14,562 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 110 places, 123 transitions, 1848 flow [2021-04-29 04:07:14,757 INFO L129 PetriNetUnfolder]: 0/1120 cut-off events. [2021-04-29 04:07:14,757 INFO L130 PetriNetUnfolder]: For 6631/7014 co-relation queries the response was YES. [2021-04-29 04:07:14,758 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3292 conditions, 1120 events. 0/1120 cut-off events. For 6631/7014 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 14120 event pairs, 0 based on Foata normal form. 2/1047 useless extension candidates. Maximal degree in co-relation 0. Up to 120 conditions per place. [2021-04-29 04:07:14,774 INFO L146 LiptonReduction]: Number of co-enabled transitions 664 [2021-04-29 04:07:14,804 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:14,804 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:14,804 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 245 [2021-04-29 04:07:14,805 INFO L480 AbstractCegarLoop]: Abstraction has has 110 places, 123 transitions, 1848 flow [2021-04-29 04:07:14,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:14,806 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:14,806 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] [2021-04-29 04:07:14,806 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-29 04:07:14,806 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:14,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:14,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1678131714, now seen corresponding path program 7 times [2021-04-29 04:07:14,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:14,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542607749] [2021-04-29 04:07:14,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:14,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:14,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:14,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:14,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:14,847 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:14,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:14,859 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:14,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:14,878 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:14,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:14,905 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:07:14,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:07:14,941 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-04-29 04:07:14,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 04:07:14,985 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:07:14,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:07:15,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:15,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542607749] [2021-04-29 04:07:15,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:15,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:07:15,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450119541] [2021-04-29 04:07:15,025 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:07:15,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:15,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:07:15,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:07:15,027 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:07:15,028 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 123 transitions, 1848 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:15,028 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:15,028 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:07:15,028 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:15,909 INFO L129 PetriNetUnfolder]: 709/3085 cut-off events. [2021-04-29 04:07:15,910 INFO L130 PetriNetUnfolder]: For 35649/36185 co-relation queries the response was YES. [2021-04-29 04:07:15,936 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15219 conditions, 3085 events. 709/3085 cut-off events. For 35649/36185 co-relation queries the response was YES. Maximal size of possible extension queue 407. Compared 36269 event pairs, 321 based on Foata normal form. 3/2967 useless extension candidates. Maximal degree in co-relation 15174. Up to 741 conditions per place. [2021-04-29 04:07:15,959 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 67 selfloop transitions, 86 changer transitions 1/168 dead transitions. [2021-04-29 04:07:15,960 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 168 transitions, 2729 flow [2021-04-29 04:07:15,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:07:15,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:07:15,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:07:15,963 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:07:15,963 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:07:15,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:07:15,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:15,964 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:07:15,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:15,969 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:15,969 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:15,969 INFO L185 Difference]: Start difference. First operand has 110 places, 123 transitions, 1848 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:07:15,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 168 transitions, 2729 flow [2021-04-29 04:07:16,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 168 transitions, 2647 flow, removed 28 selfloop flow, removed 3 redundant places. [2021-04-29 04:07:16,085 INFO L241 Difference]: Finished difference. Result has 122 places, 136 transitions, 2305 flow [2021-04-29 04:07:16,086 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=1789, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2305, PETRI_PLACES=122, PETRI_TRANSITIONS=136} [2021-04-29 04:07:16,086 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 71 predicate places. [2021-04-29 04:07:16,086 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:16,086 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 136 transitions, 2305 flow [2021-04-29 04:07:16,087 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 136 transitions, 2305 flow [2021-04-29 04:07:16,089 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 121 places, 136 transitions, 2305 flow [2021-04-29 04:07:16,389 INFO L129 PetriNetUnfolder]: 0/1480 cut-off events. [2021-04-29 04:07:16,389 INFO L130 PetriNetUnfolder]: For 10451/10951 co-relation queries the response was YES. [2021-04-29 04:07:16,389 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4551 conditions, 1480 events. 0/1480 cut-off events. For 10451/10951 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 20040 event pairs, 0 based on Foata normal form. 1/1373 useless extension candidates. Maximal degree in co-relation 0. Up to 162 conditions per place. [2021-04-29 04:07:16,438 INFO L146 LiptonReduction]: Number of co-enabled transitions 748 [2021-04-29 04:07:16,450 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:16,450 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:16,450 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 364 [2021-04-29 04:07:16,451 INFO L480 AbstractCegarLoop]: Abstraction has has 121 places, 136 transitions, 2305 flow [2021-04-29 04:07:16,452 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:16,452 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:16,452 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] [2021-04-29 04:07:16,452 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-29 04:07:16,452 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:16,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:16,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1830327156, now seen corresponding path program 8 times [2021-04-29 04:07:16,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:16,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323151894] [2021-04-29 04:07:16,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:16,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:16,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:16,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:16,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:16,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:16,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:16,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:16,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:07:16,518 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-04-29 04:07:16,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:16,557 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-04-29 04:07:16,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:07:16,608 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:07:16,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:07:16,649 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:07:16,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:07:16,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:16,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323151894] [2021-04-29 04:07:16,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:16,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:07:16,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980421536] [2021-04-29 04:07:16,688 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:07:16,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:16,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:07:16,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:07:16,690 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:07:16,691 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 136 transitions, 2305 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:16,691 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:16,691 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:07:16,691 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:17,826 INFO L129 PetriNetUnfolder]: 833/3701 cut-off events. [2021-04-29 04:07:17,826 INFO L130 PetriNetUnfolder]: For 52272/53609 co-relation queries the response was YES. [2021-04-29 04:07:17,853 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19969 conditions, 3701 events. 833/3701 cut-off events. For 52272/53609 co-relation queries the response was YES. Maximal size of possible extension queue 519. Compared 45498 event pairs, 349 based on Foata normal form. 4/3518 useless extension candidates. Maximal degree in co-relation 19919. Up to 987 conditions per place. [2021-04-29 04:07:17,876 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 123 selfloop transitions, 80 changer transitions 2/219 dead transitions. [2021-04-29 04:07:17,876 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 219 transitions, 4121 flow [2021-04-29 04:07:17,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:07:17,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:07:17,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:07:17,879 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:07:17,879 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:07:17,879 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:07:17,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:17,880 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:07:17,882 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:17,884 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:17,884 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:17,885 INFO L185 Difference]: Start difference. First operand has 121 places, 136 transitions, 2305 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:07:17,885 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 219 transitions, 4121 flow [2021-04-29 04:07:18,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 219 transitions, 3973 flow, removed 42 selfloop flow, removed 2 redundant places. [2021-04-29 04:07:18,099 INFO L241 Difference]: Finished difference. Result has 134 places, 159 transitions, 2958 flow [2021-04-29 04:07:18,099 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=2203, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2958, PETRI_PLACES=134, PETRI_TRANSITIONS=159} [2021-04-29 04:07:18,100 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 83 predicate places. [2021-04-29 04:07:18,100 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:18,100 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 134 places, 159 transitions, 2958 flow [2021-04-29 04:07:18,101 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 134 places, 159 transitions, 2958 flow [2021-04-29 04:07:18,103 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 133 places, 159 transitions, 2958 flow [2021-04-29 04:07:18,566 INFO L129 PetriNetUnfolder]: 0/1882 cut-off events. [2021-04-29 04:07:18,566 INFO L130 PetriNetUnfolder]: For 16704/17195 co-relation queries the response was YES. [2021-04-29 04:07:18,566 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6330 conditions, 1882 events. 0/1882 cut-off events. For 16704/17195 co-relation queries the response was YES. Maximal size of possible extension queue 267. Compared 26633 event pairs, 0 based on Foata normal form. 1/1734 useless extension candidates. Maximal degree in co-relation 0. Up to 205 conditions per place. [2021-04-29 04:07:18,595 INFO L146 LiptonReduction]: Number of co-enabled transitions 878 [2021-04-29 04:07:18,611 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:18,611 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:18,611 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 511 [2021-04-29 04:07:18,612 INFO L480 AbstractCegarLoop]: Abstraction has has 133 places, 159 transitions, 2958 flow [2021-04-29 04:07:18,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:18,613 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:18,613 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] [2021-04-29 04:07:18,613 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-04-29 04:07:18,613 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:18,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:18,614 INFO L82 PathProgramCache]: Analyzing trace with hash 2053985594, now seen corresponding path program 9 times [2021-04-29 04:07:18,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:18,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307649765] [2021-04-29 04:07:18,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:18,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:18,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:18,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:18,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:18,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:18,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:18,665 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:18,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:18,682 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:07:18,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:07:18,706 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-04-29 04:07:18,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 04:07:18,754 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-04-29 04:07:18,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 04:07:18,795 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:07:18,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:07:18,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:18,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307649765] [2021-04-29 04:07:18,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:18,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:07:18,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947895922] [2021-04-29 04:07:18,835 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:07:18,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:18,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:07:18,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:07:18,838 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:07:18,839 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 159 transitions, 2958 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:18,839 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:18,839 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:07:18,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:20,075 INFO L129 PetriNetUnfolder]: 821/3912 cut-off events. [2021-04-29 04:07:20,075 INFO L130 PetriNetUnfolder]: For 65349/66915 co-relation queries the response was YES. [2021-04-29 04:07:20,116 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21850 conditions, 3912 events. 821/3912 cut-off events. For 65349/66915 co-relation queries the response was YES. Maximal size of possible extension queue 526. Compared 49476 event pairs, 410 based on Foata normal form. 6/3748 useless extension candidates. Maximal degree in co-relation 21794. Up to 965 conditions per place. [2021-04-29 04:07:20,140 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 125 selfloop transitions, 92 changer transitions 2/233 dead transitions. [2021-04-29 04:07:20,140 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 233 transitions, 4618 flow [2021-04-29 04:07:20,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:07:20,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:07:20,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:07:20,143 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:07:20,143 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:07:20,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:07:20,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:20,144 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:07:20,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:20,148 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:20,148 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:20,149 INFO L185 Difference]: Start difference. First operand has 133 places, 159 transitions, 2958 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:07:20,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 233 transitions, 4618 flow [2021-04-29 04:07:20,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 233 transitions, 4407 flow, removed 83 selfloop flow, removed 3 redundant places. [2021-04-29 04:07:20,444 INFO L241 Difference]: Finished difference. Result has 145 places, 181 transitions, 3583 flow [2021-04-29 04:07:20,445 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=2859, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=70, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3583, PETRI_PLACES=145, PETRI_TRANSITIONS=181} [2021-04-29 04:07:20,445 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 94 predicate places. [2021-04-29 04:07:20,445 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:20,445 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 145 places, 181 transitions, 3583 flow [2021-04-29 04:07:20,446 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 145 places, 181 transitions, 3583 flow [2021-04-29 04:07:20,449 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 144 places, 181 transitions, 3583 flow [2021-04-29 04:07:21,005 INFO L129 PetriNetUnfolder]: 0/2045 cut-off events. [2021-04-29 04:07:21,006 INFO L130 PetriNetUnfolder]: For 20707/21246 co-relation queries the response was YES. [2021-04-29 04:07:21,006 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7166 conditions, 2045 events. 0/2045 cut-off events. For 20707/21246 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 29507 event pairs, 0 based on Foata normal form. 3/1911 useless extension candidates. Maximal degree in co-relation 0. Up to 224 conditions per place. [2021-04-29 04:07:21,028 INFO L146 LiptonReduction]: Number of co-enabled transitions 1042 [2021-04-29 04:07:21,045 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:21,045 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:21,045 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 600 [2021-04-29 04:07:21,046 INFO L480 AbstractCegarLoop]: Abstraction has has 144 places, 181 transitions, 3583 flow [2021-04-29 04:07:21,047 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:21,047 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:21,047 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] [2021-04-29 04:07:21,047 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-04-29 04:07:21,047 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:21,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:21,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1030299834, now seen corresponding path program 10 times [2021-04-29 04:07:21,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:21,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012923119] [2021-04-29 04:07:21,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:21,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:21,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:21,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:21,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:21,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:21,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:21,099 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:21,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:21,117 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:21,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:21,143 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:07:21,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:07:21,182 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:07:21,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:07:21,230 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:07:21,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:07:21,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:21,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012923119] [2021-04-29 04:07:21,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:21,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:07:21,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943040965] [2021-04-29 04:07:21,269 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:07:21,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:21,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:07:21,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:07:21,271 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:07:21,272 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 181 transitions, 3583 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:21,272 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:21,272 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:07:21,272 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:22,526 INFO L129 PetriNetUnfolder]: 809/4526 cut-off events. [2021-04-29 04:07:22,526 INFO L130 PetriNetUnfolder]: For 81163/83001 co-relation queries the response was YES. [2021-04-29 04:07:22,562 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25434 conditions, 4526 events. 809/4526 cut-off events. For 81163/83001 co-relation queries the response was YES. Maximal size of possible extension queue 603. Compared 61618 event pairs, 361 based on Foata normal form. 10/4304 useless extension candidates. Maximal degree in co-relation 25373. Up to 1086 conditions per place. [2021-04-29 04:07:22,585 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 148 selfloop transitions, 111 changer transitions 1/274 dead transitions. [2021-04-29 04:07:22,585 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 274 transitions, 5704 flow [2021-04-29 04:07:22,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:07:22,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:07:22,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:07:22,588 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:07:22,588 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:07:22,588 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:07:22,589 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:22,589 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:07:22,591 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:22,593 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:22,593 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:22,593 INFO L185 Difference]: Start difference. First operand has 144 places, 181 transitions, 3583 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:07:22,593 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 274 transitions, 5704 flow [2021-04-29 04:07:22,966 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 274 transitions, 5515 flow, removed 62 selfloop flow, removed 3 redundant places. [2021-04-29 04:07:22,974 INFO L241 Difference]: Finished difference. Result has 156 places, 217 transitions, 4604 flow [2021-04-29 04:07:22,974 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=3454, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=4604, PETRI_PLACES=156, PETRI_TRANSITIONS=217} [2021-04-29 04:07:22,975 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 105 predicate places. [2021-04-29 04:07:22,975 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:22,975 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 156 places, 217 transitions, 4604 flow [2021-04-29 04:07:22,975 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 156 places, 217 transitions, 4604 flow [2021-04-29 04:07:22,978 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 155 places, 217 transitions, 4604 flow [2021-04-29 04:07:23,595 INFO L129 PetriNetUnfolder]: 0/2638 cut-off events. [2021-04-29 04:07:23,595 INFO L130 PetriNetUnfolder]: For 32650/33403 co-relation queries the response was YES. [2021-04-29 04:07:23,595 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9721 conditions, 2638 events. 0/2638 cut-off events. For 32650/33403 co-relation queries the response was YES. Maximal size of possible extension queue 379. Compared 40015 event pairs, 0 based on Foata normal form. 2/2459 useless extension candidates. Maximal degree in co-relation 0. Up to 291 conditions per place. [2021-04-29 04:07:23,624 INFO L146 LiptonReduction]: Number of co-enabled transitions 1238 [2021-04-29 04:07:23,648 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:23,648 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:23,649 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 674 [2021-04-29 04:07:23,650 INFO L480 AbstractCegarLoop]: Abstraction has has 155 places, 217 transitions, 4604 flow [2021-04-29 04:07:23,650 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:23,650 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:23,651 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] [2021-04-29 04:07:23,651 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-04-29 04:07:23,651 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:23,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:23,651 INFO L82 PathProgramCache]: Analyzing trace with hash 919762908, now seen corresponding path program 11 times [2021-04-29 04:07:23,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:23,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676188101] [2021-04-29 04:07:23,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:23,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:23,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:23,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:23,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:23,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:23,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:23,738 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:23,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:23,758 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:23,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:23,782 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:07:23,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:07:23,813 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:07:23,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:07:23,852 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:07:23,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:07:23,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:23,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676188101] [2021-04-29 04:07:23,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:23,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:07:23,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445786409] [2021-04-29 04:07:23,891 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:07:23,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:23,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:07:23,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:07:23,893 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:07:23,894 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 217 transitions, 4604 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:23,894 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:23,894 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:07:23,894 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:25,387 INFO L129 PetriNetUnfolder]: 809/5028 cut-off events. [2021-04-29 04:07:25,388 INFO L130 PetriNetUnfolder]: For 100279/102023 co-relation queries the response was YES. [2021-04-29 04:07:25,426 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29244 conditions, 5028 events. 809/5028 cut-off events. For 100279/102023 co-relation queries the response was YES. Maximal size of possible extension queue 695. Compared 71233 event pairs, 412 based on Foata normal form. 15/4804 useless extension candidates. Maximal degree in co-relation 29178. Up to 1108 conditions per place. [2021-04-29 04:07:25,454 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 170 selfloop transitions, 129 changer transitions 1/314 dead transitions. [2021-04-29 04:07:25,454 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 314 transitions, 7123 flow [2021-04-29 04:07:25,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:07:25,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:07:25,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:07:25,457 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:07:25,457 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:07:25,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:07:25,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:25,458 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:07:25,460 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:25,462 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:25,463 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:25,463 INFO L185 Difference]: Start difference. First operand has 155 places, 217 transitions, 4604 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:07:25,463 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 314 transitions, 7123 flow [2021-04-29 04:07:26,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 314 transitions, 6891 flow, removed 84 selfloop flow, removed 2 redundant places. [2021-04-29 04:07:26,033 INFO L241 Difference]: Finished difference. Result has 168 places, 265 transitions, 6002 flow [2021-04-29 04:07:26,034 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=4440, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=81, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=6002, PETRI_PLACES=168, PETRI_TRANSITIONS=265} [2021-04-29 04:07:26,034 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 117 predicate places. [2021-04-29 04:07:26,034 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:26,035 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 168 places, 265 transitions, 6002 flow [2021-04-29 04:07:26,035 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 168 places, 265 transitions, 6002 flow [2021-04-29 04:07:26,039 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 167 places, 265 transitions, 6002 flow [2021-04-29 04:07:26,789 INFO L129 PetriNetUnfolder]: 0/3150 cut-off events. [2021-04-29 04:07:26,789 INFO L130 PetriNetUnfolder]: For 50699/51661 co-relation queries the response was YES. [2021-04-29 04:07:26,790 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12541 conditions, 3150 events. 0/3150 cut-off events. For 50699/51661 co-relation queries the response was YES. Maximal size of possible extension queue 469. Compared 49656 event pairs, 0 based on Foata normal form. 2/2977 useless extension candidates. Maximal degree in co-relation 0. Up to 346 conditions per place. [2021-04-29 04:07:26,828 INFO L146 LiptonReduction]: Number of co-enabled transitions 1486 [2021-04-29 04:07:26,847 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:26,848 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:26,848 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 814 [2021-04-29 04:07:26,848 INFO L480 AbstractCegarLoop]: Abstraction has has 167 places, 265 transitions, 6002 flow [2021-04-29 04:07:26,849 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:26,849 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:26,849 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:26,849 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-04-29 04:07:26,849 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:26,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:26,850 INFO L82 PathProgramCache]: Analyzing trace with hash 554653036, now seen corresponding path program 12 times [2021-04-29 04:07:26,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:26,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018890315] [2021-04-29 04:07:26,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:26,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:26,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:26,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:26,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:26,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:26,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:26,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:26,907 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:26,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:26,932 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:26,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:26,962 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-04-29 04:07:26,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 04:07:27,027 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-04-29 04:07:27,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 04:07:27,073 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:07:27,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:07:27,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:27,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018890315] [2021-04-29 04:07:27,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:27,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:07:27,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159080085] [2021-04-29 04:07:27,116 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:07:27,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:27,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:07:27,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:07:27,118 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:07:27,119 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 265 transitions, 6002 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:27,119 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:27,120 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:07:27,120 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:28,791 INFO L129 PetriNetUnfolder]: 823/5223 cut-off events. [2021-04-29 04:07:28,791 INFO L130 PetriNetUnfolder]: For 121424/123522 co-relation queries the response was YES. [2021-04-29 04:07:28,831 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32157 conditions, 5223 events. 823/5223 cut-off events. For 121424/123522 co-relation queries the response was YES. Maximal size of possible extension queue 742. Compared 74930 event pairs, 382 based on Foata normal form. 22/4977 useless extension candidates. Maximal degree in co-relation 32085. Up to 1308 conditions per place. [2021-04-29 04:07:28,854 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 157 selfloop transitions, 150 changer transitions 1/322 dead transitions. [2021-04-29 04:07:28,854 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 322 transitions, 7850 flow [2021-04-29 04:07:28,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:07:28,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:07:28,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:07:28,856 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:07:28,856 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:07:28,857 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:07:28,857 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:28,857 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:07:28,859 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:28,861 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:28,861 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:28,861 INFO L185 Difference]: Start difference. First operand has 167 places, 265 transitions, 6002 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:07:28,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 322 transitions, 7850 flow [2021-04-29 04:07:29,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 322 transitions, 7634 flow, removed 76 selfloop flow, removed 2 redundant places. [2021-04-29 04:07:29,375 INFO L241 Difference]: Finished difference. Result has 180 places, 297 transitions, 7194 flow [2021-04-29 04:07:29,376 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=5814, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=118, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=7194, PETRI_PLACES=180, PETRI_TRANSITIONS=297} [2021-04-29 04:07:29,376 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 129 predicate places. [2021-04-29 04:07:29,376 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:29,376 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 180 places, 297 transitions, 7194 flow [2021-04-29 04:07:29,376 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 180 places, 297 transitions, 7194 flow [2021-04-29 04:07:29,380 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 179 places, 297 transitions, 7194 flow [2021-04-29 04:07:29,988 INFO L129 PetriNetUnfolder]: 0/3266 cut-off events. [2021-04-29 04:07:29,988 INFO L130 PetriNetUnfolder]: For 65886/67293 co-relation queries the response was YES. [2021-04-29 04:07:29,988 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13776 conditions, 3266 events. 0/3266 cut-off events. For 65886/67293 co-relation queries the response was YES. Maximal size of possible extension queue 469. Compared 51720 event pairs, 0 based on Foata normal form. 2/3106 useless extension candidates. Maximal degree in co-relation 0. Up to 361 conditions per place. [2021-04-29 04:07:30,026 INFO L146 LiptonReduction]: Number of co-enabled transitions 1656 [2021-04-29 04:07:30,051 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:30,051 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:30,051 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 675 [2021-04-29 04:07:30,052 INFO L480 AbstractCegarLoop]: Abstraction has has 179 places, 297 transitions, 7194 flow [2021-04-29 04:07:30,052 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:30,052 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:30,052 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:30,053 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-04-29 04:07:30,053 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:30,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:30,053 INFO L82 PathProgramCache]: Analyzing trace with hash 2012843228, now seen corresponding path program 13 times [2021-04-29 04:07:30,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:30,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796966341] [2021-04-29 04:07:30,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:30,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:30,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:30,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:30,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:30,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:30,090 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:30,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:30,102 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:30,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:30,118 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:07:30,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:07:30,158 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:07:30,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:07:30,190 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-04-29 04:07:30,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 04:07:30,232 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:07:30,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:07:30,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:30,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796966341] [2021-04-29 04:07:30,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:30,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:07:30,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945560280] [2021-04-29 04:07:30,275 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:07:30,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:30,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:07:30,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:07:30,277 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:07:30,278 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 297 transitions, 7194 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:30,278 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:30,278 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:07:30,278 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:31,803 INFO L129 PetriNetUnfolder]: 812/5347 cut-off events. [2021-04-29 04:07:31,803 INFO L130 PetriNetUnfolder]: For 143088/145435 co-relation queries the response was YES. [2021-04-29 04:07:31,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34402 conditions, 5347 events. 812/5347 cut-off events. For 143088/145435 co-relation queries the response was YES. Maximal size of possible extension queue 734. Compared 77661 event pairs, 466 based on Foata normal form. 22/5086 useless extension candidates. Maximal degree in co-relation 34324. Up to 1058 conditions per place. [2021-04-29 04:07:31,862 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 150 selfloop transitions, 199 changer transitions 1/364 dead transitions. [2021-04-29 04:07:31,863 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 364 transitions, 9277 flow [2021-04-29 04:07:31,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:07:31,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:07:31,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:07:31,866 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:07:31,866 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:07:31,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:07:31,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:31,869 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:07:31,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:31,876 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:31,877 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:31,877 INFO L185 Difference]: Start difference. First operand has 179 places, 297 transitions, 7194 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:07:31,877 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 364 transitions, 9277 flow [2021-04-29 04:07:32,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 364 transitions, 9015 flow, removed 99 selfloop flow, removed 2 redundant places. [2021-04-29 04:07:32,542 INFO L241 Difference]: Finished difference. Result has 191 places, 314 transitions, 7940 flow [2021-04-29 04:07:32,542 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=6970, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=182, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=7940, PETRI_PLACES=191, PETRI_TRANSITIONS=314} [2021-04-29 04:07:32,542 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 140 predicate places. [2021-04-29 04:07:32,542 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:32,543 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 191 places, 314 transitions, 7940 flow [2021-04-29 04:07:32,543 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 191 places, 314 transitions, 7940 flow [2021-04-29 04:07:32,547 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 190 places, 314 transitions, 7940 flow [2021-04-29 04:07:33,353 INFO L129 PetriNetUnfolder]: 0/3416 cut-off events. [2021-04-29 04:07:33,353 INFO L130 PetriNetUnfolder]: For 73233/74415 co-relation queries the response was YES. [2021-04-29 04:07:33,353 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14935 conditions, 3416 events. 0/3416 cut-off events. For 73233/74415 co-relation queries the response was YES. Maximal size of possible extension queue 512. Compared 54620 event pairs, 0 based on Foata normal form. 1/3235 useless extension candidates. Maximal degree in co-relation 0. Up to 381 conditions per place. [2021-04-29 04:07:33,403 INFO L146 LiptonReduction]: Number of co-enabled transitions 1806 [2021-04-29 04:07:33,431 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:33,432 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:33,432 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 890 [2021-04-29 04:07:33,433 INFO L480 AbstractCegarLoop]: Abstraction has has 190 places, 314 transitions, 7940 flow [2021-04-29 04:07:33,433 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:33,433 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:33,433 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:33,434 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-04-29 04:07:33,434 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:33,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:33,434 INFO L82 PathProgramCache]: Analyzing trace with hash -69232374, now seen corresponding path program 14 times [2021-04-29 04:07:33,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:33,435 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939445074] [2021-04-29 04:07:33,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:33,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:33,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:33,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:33,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:33,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:33,480 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:33,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:33,492 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:33,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:33,515 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:33,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:33,543 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:07:33,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:07:33,587 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:07:33,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:07:33,630 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:07:33,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:07:33,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:33,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939445074] [2021-04-29 04:07:33,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:33,670 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:07:33,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39797304] [2021-04-29 04:07:33,671 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:07:33,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:33,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:07:33,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:07:33,673 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:07:33,674 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 314 transitions, 7940 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:33,674 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:33,674 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:07:33,674 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:35,599 INFO L129 PetriNetUnfolder]: 811/5444 cut-off events. [2021-04-29 04:07:35,599 INFO L130 PetriNetUnfolder]: For 159627/162099 co-relation queries the response was YES. [2021-04-29 04:07:35,647 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36001 conditions, 5444 events. 811/5444 cut-off events. For 159627/162099 co-relation queries the response was YES. Maximal size of possible extension queue 755. Compared 79570 event pairs, 481 based on Foata normal form. 27/5179 useless extension candidates. Maximal degree in co-relation 35918. Up to 1027 conditions per place. [2021-04-29 04:07:35,665 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 126 selfloop transitions, 225 changer transitions 1/366 dead transitions. [2021-04-29 04:07:35,666 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 366 transitions, 9803 flow [2021-04-29 04:07:35,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:07:35,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:07:35,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:07:35,668 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:07:35,668 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:07:35,668 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:07:35,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:35,669 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:07:35,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:35,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:35,673 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:35,673 INFO L185 Difference]: Start difference. First operand has 190 places, 314 transitions, 7940 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:07:35,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 366 transitions, 9803 flow [2021-04-29 04:07:36,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 366 transitions, 9429 flow, removed 69 selfloop flow, removed 3 redundant places. [2021-04-29 04:07:36,480 INFO L241 Difference]: Finished difference. Result has 201 places, 337 transitions, 8906 flow [2021-04-29 04:07:36,481 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=7604, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=202, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=8906, PETRI_PLACES=201, PETRI_TRANSITIONS=337} [2021-04-29 04:07:36,481 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 150 predicate places. [2021-04-29 04:07:36,481 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:36,482 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 201 places, 337 transitions, 8906 flow [2021-04-29 04:07:36,482 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 201 places, 337 transitions, 8906 flow [2021-04-29 04:07:36,487 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 200 places, 337 transitions, 8906 flow [2021-04-29 04:07:37,227 INFO L129 PetriNetUnfolder]: 0/3472 cut-off events. [2021-04-29 04:07:37,227 INFO L130 PetriNetUnfolder]: For 83773/85146 co-relation queries the response was YES. [2021-04-29 04:07:37,227 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15855 conditions, 3472 events. 0/3472 cut-off events. For 83773/85146 co-relation queries the response was YES. Maximal size of possible extension queue 509. Compared 55619 event pairs, 0 based on Foata normal form. 0/3304 useless extension candidates. Maximal degree in co-relation 0. Up to 388 conditions per place. [2021-04-29 04:07:37,265 INFO L146 LiptonReduction]: Number of co-enabled transitions 1970 [2021-04-29 04:07:37,307 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:37,307 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:37,307 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 826 [2021-04-29 04:07:37,308 INFO L480 AbstractCegarLoop]: Abstraction has has 200 places, 337 transitions, 8906 flow [2021-04-29 04:07:37,308 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:37,308 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:37,308 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] [2021-04-29 04:07:37,309 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-04-29 04:07:37,309 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:37,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:37,309 INFO L82 PathProgramCache]: Analyzing trace with hash 644580616, now seen corresponding path program 15 times [2021-04-29 04:07:37,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:37,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693295146] [2021-04-29 04:07:37,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:37,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:37,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:37,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:37,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:37,342 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:37,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:37,358 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:37,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:37,378 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:37,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:37,404 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:07:37,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:07:37,434 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:07:37,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:07:37,474 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:07:37,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:07:37,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:37,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693295146] [2021-04-29 04:07:37,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:37,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:07:37,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658319694] [2021-04-29 04:07:37,512 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:07:37,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:37,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:07:37,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:07:37,514 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:07:37,515 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 337 transitions, 8906 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:37,515 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:37,515 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:07:37,515 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:39,247 INFO L129 PetriNetUnfolder]: 804/5428 cut-off events. [2021-04-29 04:07:39,247 INFO L130 PetriNetUnfolder]: For 170985/173472 co-relation queries the response was YES. [2021-04-29 04:07:39,294 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37150 conditions, 5428 events. 804/5428 cut-off events. For 170985/173472 co-relation queries the response was YES. Maximal size of possible extension queue 760. Compared 79219 event pairs, 485 based on Foata normal form. 34/5187 useless extension candidates. Maximal degree in co-relation 37062. Up to 1112 conditions per place. [2021-04-29 04:07:39,314 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 105 selfloop transitions, 265 changer transitions 2/386 dead transitions. [2021-04-29 04:07:39,314 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 386 transitions, 10734 flow [2021-04-29 04:07:39,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:07:39,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:07:39,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:07:39,316 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:07:39,316 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:07:39,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:07:39,317 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:39,317 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:07:39,319 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:39,320 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:39,321 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:39,321 INFO L185 Difference]: Start difference. First operand has 200 places, 337 transitions, 8906 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:07:39,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 386 transitions, 10734 flow [2021-04-29 04:07:40,289 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 386 transitions, 10352 flow, removed 73 selfloop flow, removed 3 redundant places. [2021-04-29 04:07:40,300 INFO L241 Difference]: Finished difference. Result has 211 places, 346 transitions, 9620 flow [2021-04-29 04:07:40,300 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=8544, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=256, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=9620, PETRI_PLACES=211, PETRI_TRANSITIONS=346} [2021-04-29 04:07:40,301 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 160 predicate places. [2021-04-29 04:07:40,301 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:40,301 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 211 places, 346 transitions, 9620 flow [2021-04-29 04:07:40,301 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 211 places, 346 transitions, 9620 flow [2021-04-29 04:07:40,307 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 210 places, 346 transitions, 9620 flow [2021-04-29 04:07:41,146 INFO L129 PetriNetUnfolder]: 0/3518 cut-off events. [2021-04-29 04:07:41,147 INFO L130 PetriNetUnfolder]: For 93239/95587 co-relation queries the response was YES. [2021-04-29 04:07:41,147 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16595 conditions, 3518 events. 0/3518 cut-off events. For 93239/95587 co-relation queries the response was YES. Maximal size of possible extension queue 510. Compared 56543 event pairs, 0 based on Foata normal form. 6/3348 useless extension candidates. Maximal degree in co-relation 0. Up to 395 conditions per place. [2021-04-29 04:07:41,188 INFO L146 LiptonReduction]: Number of co-enabled transitions 2062 [2021-04-29 04:07:41,233 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:41,233 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:41,233 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 932 [2021-04-29 04:07:41,234 INFO L480 AbstractCegarLoop]: Abstraction has has 210 places, 346 transitions, 9620 flow [2021-04-29 04:07:41,234 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:41,235 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:41,235 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] [2021-04-29 04:07:41,235 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-04-29 04:07:41,235 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:41,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:41,235 INFO L82 PathProgramCache]: Analyzing trace with hash 2122214708, now seen corresponding path program 16 times [2021-04-29 04:07:41,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:41,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970405645] [2021-04-29 04:07:41,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:41,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:41,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:41,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:41,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:41,267 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:41,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:41,280 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:41,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:41,297 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:41,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:41,320 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-04-29 04:07:41,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 04:07:41,368 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-04-29 04:07:41,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 04:07:41,415 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:07:41,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:07:41,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:41,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970405645] [2021-04-29 04:07:41,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:41,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:07:41,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718336588] [2021-04-29 04:07:41,456 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:07:41,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:41,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:07:41,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:07:41,457 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:07:41,458 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 346 transitions, 9620 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:41,458 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:41,458 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:07:41,458 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:43,352 INFO L129 PetriNetUnfolder]: 778/5710 cut-off events. [2021-04-29 04:07:43,352 INFO L130 PetriNetUnfolder]: For 187991/191044 co-relation queries the response was YES. [2021-04-29 04:07:43,404 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39223 conditions, 5710 events. 778/5710 cut-off events. For 187991/191044 co-relation queries the response was YES. Maximal size of possible extension queue 794. Compared 85405 event pairs, 461 based on Foata normal form. 28/5413 useless extension candidates. Maximal degree in co-relation 39130. Up to 1072 conditions per place. [2021-04-29 04:07:43,423 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 176 selfloop transitions, 225 changer transitions 1/416 dead transitions. [2021-04-29 04:07:43,424 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 416 transitions, 12101 flow [2021-04-29 04:07:43,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:07:43,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:07:43,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:07:43,425 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:07:43,425 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:07:43,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:07:43,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:43,426 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:07:43,427 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:43,428 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:43,429 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:43,429 INFO L185 Difference]: Start difference. First operand has 210 places, 346 transitions, 9620 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:07:43,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 416 transitions, 12101 flow [2021-04-29 04:07:44,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 416 transitions, 11741 flow, removed 60 selfloop flow, removed 4 redundant places. [2021-04-29 04:07:44,478 INFO L241 Difference]: Finished difference. Result has 219 places, 379 transitions, 10883 flow [2021-04-29 04:07:44,478 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=9331, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=346, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=192, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=10883, PETRI_PLACES=219, PETRI_TRANSITIONS=379} [2021-04-29 04:07:44,478 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 168 predicate places. [2021-04-29 04:07:44,478 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:44,478 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 219 places, 379 transitions, 10883 flow [2021-04-29 04:07:44,479 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 219 places, 379 transitions, 10883 flow [2021-04-29 04:07:44,484 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 218 places, 379 transitions, 10883 flow [2021-04-29 04:07:45,297 INFO L129 PetriNetUnfolder]: 0/3835 cut-off events. [2021-04-29 04:07:45,297 INFO L130 PetriNetUnfolder]: For 107537/109493 co-relation queries the response was YES. [2021-04-29 04:07:45,297 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18739 conditions, 3835 events. 0/3835 cut-off events. For 107537/109493 co-relation queries the response was YES. Maximal size of possible extension queue 583. Compared 62634 event pairs, 0 based on Foata normal form. 3/3651 useless extension candidates. Maximal degree in co-relation 0. Up to 433 conditions per place. [2021-04-29 04:07:45,349 INFO L146 LiptonReduction]: Number of co-enabled transitions 2232 [2021-04-29 04:07:45,387 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:45,388 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:45,388 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 910 [2021-04-29 04:07:45,388 INFO L480 AbstractCegarLoop]: Abstraction has has 218 places, 379 transitions, 10883 flow [2021-04-29 04:07:45,388 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:45,389 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:45,389 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] [2021-04-29 04:07:45,389 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-04-29 04:07:45,389 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:45,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:45,389 INFO L82 PathProgramCache]: Analyzing trace with hash -95877172, now seen corresponding path program 17 times [2021-04-29 04:07:45,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:45,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755379132] [2021-04-29 04:07:45,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:45,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:45,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:45,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:45,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:45,441 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:45,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:45,452 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:45,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:45,472 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:45,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:45,500 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:07:45,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:07:45,543 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:07:45,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:07:45,594 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:07:45,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:07:45,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:45,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755379132] [2021-04-29 04:07:45,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:45,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:07:45,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338735468] [2021-04-29 04:07:45,640 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:07:45,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:45,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:07:45,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:07:45,642 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:07:45,643 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 379 transitions, 10883 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:45,643 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:45,643 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:07:45,643 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:47,647 INFO L129 PetriNetUnfolder]: 768/5715 cut-off events. [2021-04-29 04:07:47,648 INFO L130 PetriNetUnfolder]: For 188098/191192 co-relation queries the response was YES. [2021-04-29 04:07:47,700 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39593 conditions, 5715 events. 768/5715 cut-off events. For 188098/191192 co-relation queries the response was YES. Maximal size of possible extension queue 803. Compared 85557 event pairs, 505 based on Foata normal form. 38/5452 useless extension candidates. Maximal degree in co-relation 39497. Up to 1112 conditions per place. [2021-04-29 04:07:47,719 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 92 selfloop transitions, 303 changer transitions 1/410 dead transitions. [2021-04-29 04:07:47,719 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 410 transitions, 12358 flow [2021-04-29 04:07:47,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:07:47,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:07:47,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:07:47,720 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:07:47,720 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:07:47,720 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:07:47,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:47,721 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:07:47,722 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:47,724 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:47,724 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:47,724 INFO L185 Difference]: Start difference. First operand has 218 places, 379 transitions, 10883 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:07:47,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 410 transitions, 12358 flow [2021-04-29 04:07:49,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 410 transitions, 11854 flow, removed 72 selfloop flow, removed 4 redundant places. [2021-04-29 04:07:49,062 INFO L241 Difference]: Finished difference. Result has 227 places, 387 transitions, 11389 flow [2021-04-29 04:07:49,062 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=10396, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=295, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=11389, PETRI_PLACES=227, PETRI_TRANSITIONS=387} [2021-04-29 04:07:49,063 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 176 predicate places. [2021-04-29 04:07:49,063 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:49,063 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 227 places, 387 transitions, 11389 flow [2021-04-29 04:07:49,063 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 227 places, 387 transitions, 11389 flow [2021-04-29 04:07:49,069 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 226 places, 387 transitions, 11389 flow [2021-04-29 04:07:49,958 INFO L129 PetriNetUnfolder]: 0/3913 cut-off events. [2021-04-29 04:07:49,959 INFO L130 PetriNetUnfolder]: For 115624/118034 co-relation queries the response was YES. [2021-04-29 04:07:49,959 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19605 conditions, 3913 events. 0/3913 cut-off events. For 115624/118034 co-relation queries the response was YES. Maximal size of possible extension queue 598. Compared 64284 event pairs, 0 based on Foata normal form. 7/3710 useless extension candidates. Maximal degree in co-relation 0. Up to 443 conditions per place. [2021-04-29 04:07:50,014 INFO L146 LiptonReduction]: Number of co-enabled transitions 2310 [2021-04-29 04:07:50,067 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:50,067 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:50,068 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1005 [2021-04-29 04:07:50,068 INFO L480 AbstractCegarLoop]: Abstraction has has 226 places, 387 transitions, 11389 flow [2021-04-29 04:07:50,069 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:50,069 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:50,069 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] [2021-04-29 04:07:50,069 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-04-29 04:07:50,069 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:50,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:50,070 INFO L82 PathProgramCache]: Analyzing trace with hash -866248580, now seen corresponding path program 18 times [2021-04-29 04:07:50,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:50,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929909204] [2021-04-29 04:07:50,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:50,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:50,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:50,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:50,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:50,102 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:50,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:50,113 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:50,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:50,130 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:50,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:50,159 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:07:50,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:07:50,197 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-04-29 04:07:50,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 04:07:50,249 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:07:50,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:07:50,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:50,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929909204] [2021-04-29 04:07:50,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:50,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:07:50,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023421583] [2021-04-29 04:07:50,293 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:07:50,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:50,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:07:50,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:07:50,294 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:07:50,295 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 387 transitions, 11389 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:50,295 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:50,295 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:07:50,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:52,475 INFO L129 PetriNetUnfolder]: 765/5725 cut-off events. [2021-04-29 04:07:52,475 INFO L130 PetriNetUnfolder]: For 194253/197589 co-relation queries the response was YES. [2021-04-29 04:07:52,528 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40166 conditions, 5725 events. 765/5725 cut-off events. For 194253/197589 co-relation queries the response was YES. Maximal size of possible extension queue 804. Compared 85800 event pairs, 504 based on Foata normal form. 42/5462 useless extension candidates. Maximal degree in co-relation 40066. Up to 1112 conditions per place. [2021-04-29 04:07:52,547 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 94 selfloop transitions, 306 changer transitions 1/415 dead transitions. [2021-04-29 04:07:52,548 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 415 transitions, 12871 flow [2021-04-29 04:07:52,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:07:52,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:07:52,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:07:52,550 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:07:52,550 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:07:52,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:07:52,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:52,550 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:07:52,552 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:52,553 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:52,553 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:52,553 INFO L185 Difference]: Start difference. First operand has 226 places, 387 transitions, 11389 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:07:52,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 415 transitions, 12871 flow [2021-04-29 04:07:53,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 415 transitions, 12298 flow, removed 63 selfloop flow, removed 4 redundant places. [2021-04-29 04:07:53,963 INFO L241 Difference]: Finished difference. Result has 235 places, 395 transitions, 11897 flow [2021-04-29 04:07:53,963 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=10866, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=298, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=11897, PETRI_PLACES=235, PETRI_TRANSITIONS=395} [2021-04-29 04:07:53,963 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 184 predicate places. [2021-04-29 04:07:53,964 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:53,964 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 235 places, 395 transitions, 11897 flow [2021-04-29 04:07:53,964 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 235 places, 395 transitions, 11897 flow [2021-04-29 04:07:53,971 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 234 places, 395 transitions, 11897 flow [2021-04-29 04:07:54,719 INFO L129 PetriNetUnfolder]: 0/3929 cut-off events. [2021-04-29 04:07:54,720 INFO L130 PetriNetUnfolder]: For 120561/123245 co-relation queries the response was YES. [2021-04-29 04:07:54,720 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19902 conditions, 3929 events. 0/3929 cut-off events. For 120561/123245 co-relation queries the response was YES. Maximal size of possible extension queue 607. Compared 64511 event pairs, 0 based on Foata normal form. 7/3732 useless extension candidates. Maximal degree in co-relation 0. Up to 446 conditions per place. [2021-04-29 04:07:54,768 INFO L146 LiptonReduction]: Number of co-enabled transitions 2394 [2021-04-29 04:07:54,806 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:54,806 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:54,806 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 842 [2021-04-29 04:07:54,807 INFO L480 AbstractCegarLoop]: Abstraction has has 234 places, 395 transitions, 11897 flow [2021-04-29 04:07:54,807 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:54,807 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:54,807 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] [2021-04-29 04:07:54,808 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-04-29 04:07:54,808 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:54,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:54,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1738672204, now seen corresponding path program 19 times [2021-04-29 04:07:54,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:54,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592492153] [2021-04-29 04:07:54,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:54,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:54,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:54,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:54,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:54,842 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:54,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:54,855 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:54,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:54,872 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:54,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:54,895 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:07:54,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:07:54,926 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:07:54,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:07:54,966 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:07:54,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:07:55,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:55,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592492153] [2021-04-29 04:07:55,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:55,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:07:55,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979044220] [2021-04-29 04:07:55,004 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:07:55,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:55,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:07:55,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:07:55,005 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:07:55,006 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 395 transitions, 11897 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:55,006 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:55,006 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:07:55,006 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:57,191 INFO L129 PetriNetUnfolder]: 753/5761 cut-off events. [2021-04-29 04:07:57,191 INFO L130 PetriNetUnfolder]: For 195794/199139 co-relation queries the response was YES. [2021-04-29 04:07:57,243 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40501 conditions, 5761 events. 753/5761 cut-off events. For 195794/199139 co-relation queries the response was YES. Maximal size of possible extension queue 809. Compared 86768 event pairs, 483 based on Foata normal form. 42/5498 useless extension candidates. Maximal degree in co-relation 40397. Up to 1112 conditions per place. [2021-04-29 04:07:57,263 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 115 selfloop transitions, 312 changer transitions 1/442 dead transitions. [2021-04-29 04:07:57,263 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 442 transitions, 13927 flow [2021-04-29 04:07:57,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:07:57,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:07:57,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:07:57,265 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:07:57,265 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:07:57,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:07:57,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:57,266 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:07:57,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:57,268 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:57,269 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:57,269 INFO L185 Difference]: Start difference. First operand has 234 places, 395 transitions, 11897 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:07:57,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 442 transitions, 13927 flow [2021-04-29 04:07:58,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 442 transitions, 13316 flow, removed 82 selfloop flow, removed 4 redundant places. [2021-04-29 04:07:58,465 INFO L241 Difference]: Finished difference. Result has 242 places, 419 transitions, 12761 flow [2021-04-29 04:07:58,465 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=11384, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=395, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=288, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=12761, PETRI_PLACES=242, PETRI_TRANSITIONS=419} [2021-04-29 04:07:58,466 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 191 predicate places. [2021-04-29 04:07:58,466 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:58,466 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 242 places, 419 transitions, 12761 flow [2021-04-29 04:07:58,466 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 242 places, 419 transitions, 12761 flow [2021-04-29 04:07:58,474 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 241 places, 419 transitions, 12761 flow [2021-04-29 04:07:59,256 INFO L129 PetriNetUnfolder]: 0/4021 cut-off events. [2021-04-29 04:07:59,256 INFO L130 PetriNetUnfolder]: For 125263/128276 co-relation queries the response was YES. [2021-04-29 04:07:59,256 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20706 conditions, 4021 events. 0/4021 cut-off events. For 125263/128276 co-relation queries the response was YES. Maximal size of possible extension queue 613. Compared 66198 event pairs, 0 based on Foata normal form. 10/3809 useless extension candidates. Maximal degree in co-relation 0. Up to 458 conditions per place. [2021-04-29 04:07:59,304 INFO L146 LiptonReduction]: Number of co-enabled transitions 2534 [2021-04-29 04:07:59,352 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:59,353 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:59,353 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 887 [2021-04-29 04:07:59,354 INFO L480 AbstractCegarLoop]: Abstraction has has 241 places, 419 transitions, 12761 flow [2021-04-29 04:07:59,354 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:59,354 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:59,354 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] [2021-04-29 04:07:59,354 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-04-29 04:07:59,354 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:59,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:59,355 INFO L82 PathProgramCache]: Analyzing trace with hash 143827700, now seen corresponding path program 20 times [2021-04-29 04:07:59,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:59,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967382055] [2021-04-29 04:07:59,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:59,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:59,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:59,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:59,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:59,386 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:59,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:59,397 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:59,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:59,415 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:59,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:59,438 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:07:59,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:07:59,469 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-04-29 04:07:59,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 04:07:59,509 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:07:59,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:07:59,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:59,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967382055] [2021-04-29 04:07:59,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:59,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:07:59,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081250838] [2021-04-29 04:07:59,546 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:07:59,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:59,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:07:59,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:07:59,547 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:07:59,548 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 419 transitions, 12761 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:59,548 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:59,548 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:07:59,548 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:01,677 INFO L129 PetriNetUnfolder]: 753/5792 cut-off events. [2021-04-29 04:08:01,677 INFO L130 PetriNetUnfolder]: For 196661/199615 co-relation queries the response was YES. [2021-04-29 04:08:01,732 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40762 conditions, 5792 events. 753/5792 cut-off events. For 196661/199615 co-relation queries the response was YES. Maximal size of possible extension queue 808. Compared 87461 event pairs, 475 based on Foata normal form. 42/5506 useless extension candidates. Maximal degree in co-relation 40655. Up to 1112 conditions per place. [2021-04-29 04:08:01,751 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 146 selfloop transitions, 295 changer transitions 2/457 dead transitions. [2021-04-29 04:08:01,751 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 457 transitions, 14557 flow [2021-04-29 04:08:01,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:08:01,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:08:01,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:08:01,753 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:08:01,753 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:08:01,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:08:01,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:01,754 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:08:01,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:01,756 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:01,756 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:01,756 INFO L185 Difference]: Start difference. First operand has 241 places, 419 transitions, 12761 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:08:01,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 457 transitions, 14557 flow [2021-04-29 04:08:03,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 457 transitions, 14070 flow, removed 20 selfloop flow, removed 4 redundant places. [2021-04-29 04:08:03,074 INFO L241 Difference]: Finished difference. Result has 250 places, 432 transitions, 13439 flow [2021-04-29 04:08:03,074 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=12294, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=419, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=282, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=13439, PETRI_PLACES=250, PETRI_TRANSITIONS=432} [2021-04-29 04:08:03,074 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 199 predicate places. [2021-04-29 04:08:03,075 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:03,075 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 250 places, 432 transitions, 13439 flow [2021-04-29 04:08:03,075 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 250 places, 432 transitions, 13439 flow [2021-04-29 04:08:03,084 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 249 places, 432 transitions, 13439 flow [2021-04-29 04:08:03,878 INFO L129 PetriNetUnfolder]: 0/4018 cut-off events. [2021-04-29 04:08:03,878 INFO L130 PetriNetUnfolder]: For 130530/132980 co-relation queries the response was YES. [2021-04-29 04:08:03,878 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21105 conditions, 4018 events. 0/4018 cut-off events. For 130530/132980 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 66223 event pairs, 0 based on Foata normal form. 11/3817 useless extension candidates. Maximal degree in co-relation 0. Up to 458 conditions per place. [2021-04-29 04:08:03,927 INFO L146 LiptonReduction]: Number of co-enabled transitions 2644 [2021-04-29 04:08:03,972 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:03,973 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:03,973 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 898 [2021-04-29 04:08:03,973 INFO L480 AbstractCegarLoop]: Abstraction has has 249 places, 432 transitions, 13439 flow [2021-04-29 04:08:03,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:03,973 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:03,974 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] [2021-04-29 04:08:03,974 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-04-29 04:08:03,974 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:03,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:03,974 INFO L82 PathProgramCache]: Analyzing trace with hash 370554034, now seen corresponding path program 21 times [2021-04-29 04:08:03,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:03,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519691428] [2021-04-29 04:08:03,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:03,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:03,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:04,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:04,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:04,006 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:08:04,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:08:04,017 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:08:04,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:08:04,033 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:08:04,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:08:04,059 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:08:04,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:08:04,092 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:08:04,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:08:04,132 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:08:04,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:08:04,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:04,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519691428] [2021-04-29 04:08:04,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:04,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:08:04,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885864468] [2021-04-29 04:08:04,170 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:08:04,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:04,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:08:04,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:08:04,172 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:08:04,172 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 432 transitions, 13439 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:04,172 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:04,172 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:08:04,173 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:06,317 INFO L129 PetriNetUnfolder]: 750/5515 cut-off events. [2021-04-29 04:08:06,317 INFO L130 PetriNetUnfolder]: For 207926/210880 co-relation queries the response was YES. [2021-04-29 04:08:06,369 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41049 conditions, 5515 events. 750/5515 cut-off events. For 207926/210880 co-relation queries the response was YES. Maximal size of possible extension queue 783. Compared 81745 event pairs, 600 based on Foata normal form. 42/5233 useless extension candidates. Maximal degree in co-relation 40938. Up to 1112 conditions per place. [2021-04-29 04:08:06,388 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 126 selfloop transitions, 310 changer transitions 1/451 dead transitions. [2021-04-29 04:08:06,389 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 451 transitions, 14709 flow [2021-04-29 04:08:06,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:08:06,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:08:06,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:08:06,391 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:08:06,391 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:08:06,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:08:06,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:06,391 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:08:06,393 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:06,394 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:06,394 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:06,394 INFO L185 Difference]: Start difference. First operand has 249 places, 432 transitions, 13439 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:08:06,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 451 transitions, 14709 flow [2021-04-29 04:08:07,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 451 transitions, 14169 flow, removed 40 selfloop flow, removed 5 redundant places. [2021-04-29 04:08:07,823 INFO L241 Difference]: Finished difference. Result has 256 places, 438 transitions, 13775 flow [2021-04-29 04:08:07,823 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=12927, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=432, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=304, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=13775, PETRI_PLACES=256, PETRI_TRANSITIONS=438} [2021-04-29 04:08:07,824 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 205 predicate places. [2021-04-29 04:08:07,824 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:07,824 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 256 places, 438 transitions, 13775 flow [2021-04-29 04:08:07,824 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 256 places, 438 transitions, 13775 flow [2021-04-29 04:08:07,833 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 255 places, 438 transitions, 13775 flow [2021-04-29 04:08:08,639 INFO L129 PetriNetUnfolder]: 0/4032 cut-off events. [2021-04-29 04:08:08,639 INFO L130 PetriNetUnfolder]: For 133359/136187 co-relation queries the response was YES. [2021-04-29 04:08:08,640 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21461 conditions, 4032 events. 0/4032 cut-off events. For 133359/136187 co-relation queries the response was YES. Maximal size of possible extension queue 630. Compared 66514 event pairs, 0 based on Foata normal form. 14/3834 useless extension candidates. Maximal degree in co-relation 0. Up to 460 conditions per place. [2021-04-29 04:08:08,691 INFO L146 LiptonReduction]: Number of co-enabled transitions 2708 [2021-04-29 04:08:08,738 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:08,738 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:08,738 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 914 [2021-04-29 04:08:08,739 INFO L480 AbstractCegarLoop]: Abstraction has has 255 places, 438 transitions, 13775 flow [2021-04-29 04:08:08,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:08,739 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:08,739 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] [2021-04-29 04:08:08,739 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-04-29 04:08:08,740 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:08,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:08,740 INFO L82 PathProgramCache]: Analyzing trace with hash 395596768, now seen corresponding path program 22 times [2021-04-29 04:08:08,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:08,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235587647] [2021-04-29 04:08:08,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:08,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:08,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:08,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:08,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:08,773 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:08:08,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:08:08,784 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:08:08,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:08:08,801 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:08:08,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:08:08,824 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:08:08,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:08:08,855 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-04-29 04:08:08,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 04:08:08,894 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:08:08,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:08:08,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:08,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235587647] [2021-04-29 04:08:08,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:08,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:08:08,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982332712] [2021-04-29 04:08:08,939 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:08:08,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:08,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:08:08,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:08:08,940 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:08:08,941 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 438 transitions, 13775 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:08,941 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:08,941 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:08:08,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:11,024 INFO L129 PetriNetUnfolder]: 750/5509 cut-off events. [2021-04-29 04:08:11,025 INFO L130 PetriNetUnfolder]: For 207882/210836 co-relation queries the response was YES. [2021-04-29 04:08:11,089 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41214 conditions, 5509 events. 750/5509 cut-off events. For 207882/210836 co-relation queries the response was YES. Maximal size of possible extension queue 782. Compared 81637 event pairs, 611 based on Foata normal form. 42/5227 useless extension candidates. Maximal degree in co-relation 41101. Up to 1112 conditions per place. [2021-04-29 04:08:11,108 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 99 selfloop transitions, 343 changer transitions 1/457 dead transitions. [2021-04-29 04:08:11,108 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 457 transitions, 15108 flow [2021-04-29 04:08:11,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:08:11,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:08:11,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:08:11,110 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:08:11,110 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:08:11,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:08:11,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:11,111 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:08:11,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:11,114 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:11,114 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:11,114 INFO L185 Difference]: Start difference. First operand has 255 places, 438 transitions, 13775 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:08:11,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 457 transitions, 15108 flow [2021-04-29 04:08:12,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 457 transitions, 14474 flow, removed 28 selfloop flow, removed 5 redundant places. [2021-04-29 04:08:12,591 INFO L241 Difference]: Finished difference. Result has 262 places, 444 transitions, 14161 flow [2021-04-29 04:08:12,591 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=13175, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=438, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=337, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=14161, PETRI_PLACES=262, PETRI_TRANSITIONS=444} [2021-04-29 04:08:12,592 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 211 predicate places. [2021-04-29 04:08:12,592 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:12,592 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 262 places, 444 transitions, 14161 flow [2021-04-29 04:08:12,592 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 262 places, 444 transitions, 14161 flow [2021-04-29 04:08:12,599 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 261 places, 444 transitions, 14161 flow [2021-04-29 04:08:13,416 INFO L129 PetriNetUnfolder]: 0/4029 cut-off events. [2021-04-29 04:08:13,416 INFO L130 PetriNetUnfolder]: For 129601/131708 co-relation queries the response was YES. [2021-04-29 04:08:13,416 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21455 conditions, 4029 events. 0/4029 cut-off events. For 129601/131708 co-relation queries the response was YES. Maximal size of possible extension queue 627. Compared 66457 event pairs, 0 based on Foata normal form. 8/3813 useless extension candidates. Maximal degree in co-relation 0. Up to 460 conditions per place. [2021-04-29 04:08:13,469 INFO L146 LiptonReduction]: Number of co-enabled transitions 2762 [2021-04-29 04:08:13,516 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:13,516 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:13,516 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 924 [2021-04-29 04:08:13,517 INFO L480 AbstractCegarLoop]: Abstraction has has 261 places, 444 transitions, 14161 flow [2021-04-29 04:08:13,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:13,517 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:13,517 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] [2021-04-29 04:08:13,518 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-04-29 04:08:13,518 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:13,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:13,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1084221056, now seen corresponding path program 23 times [2021-04-29 04:08:13,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:13,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656064853] [2021-04-29 04:08:13,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:13,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:13,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:13,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:13,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:13,549 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:08:13,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:08:13,561 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:08:13,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:08:13,578 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:08:13,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:08:13,601 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-04-29 04:08:13,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 04:08:13,651 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:08:13,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:08:13,692 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:08:13,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:08:13,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:13,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656064853] [2021-04-29 04:08:13,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:13,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:08:13,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287088206] [2021-04-29 04:08:13,736 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:08:13,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:13,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:08:13,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:08:13,738 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:08:13,739 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 444 transitions, 14161 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:13,739 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:13,739 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:08:13,739 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:15,946 INFO L129 PetriNetUnfolder]: 739/5567 cut-off events. [2021-04-29 04:08:15,946 INFO L130 PetriNetUnfolder]: For 207538/210492 co-relation queries the response was YES. [2021-04-29 04:08:16,005 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41408 conditions, 5567 events. 739/5567 cut-off events. For 207538/210492 co-relation queries the response was YES. Maximal size of possible extension queue 790. Compared 83023 event pairs, 600 based on Foata normal form. 42/5275 useless extension candidates. Maximal degree in co-relation 41292. Up to 1112 conditions per place. [2021-04-29 04:08:16,024 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 135 selfloop transitions, 313 changer transitions 2/464 dead transitions. [2021-04-29 04:08:16,025 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 464 transitions, 15496 flow [2021-04-29 04:08:16,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:08:16,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:08:16,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:08:16,026 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:08:16,026 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:08:16,026 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:08:16,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:16,027 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:08:16,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:16,029 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:16,030 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:16,030 INFO L185 Difference]: Start difference. First operand has 261 places, 444 transitions, 14161 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:08:16,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 464 transitions, 15496 flow [2021-04-29 04:08:17,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 464 transitions, 14827 flow, removed 31 selfloop flow, removed 5 redundant places. [2021-04-29 04:08:17,599 INFO L241 Difference]: Finished difference. Result has 268 places, 450 transitions, 14369 flow [2021-04-29 04:08:17,600 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=13507, PETRI_DIFFERENCE_MINUEND_PLACES=256, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=444, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=307, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=14369, PETRI_PLACES=268, PETRI_TRANSITIONS=450} [2021-04-29 04:08:17,600 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 217 predicate places. [2021-04-29 04:08:17,600 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:17,600 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 268 places, 450 transitions, 14369 flow [2021-04-29 04:08:17,600 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 268 places, 450 transitions, 14369 flow [2021-04-29 04:08:17,608 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 267 places, 450 transitions, 14369 flow [2021-04-29 04:08:18,448 INFO L129 PetriNetUnfolder]: 0/4105 cut-off events. [2021-04-29 04:08:18,448 INFO L130 PetriNetUnfolder]: For 137961/141011 co-relation queries the response was YES. [2021-04-29 04:08:18,448 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22105 conditions, 4105 events. 0/4105 cut-off events. For 137961/141011 co-relation queries the response was YES. Maximal size of possible extension queue 636. Compared 67892 event pairs, 0 based on Foata normal form. 14/3893 useless extension candidates. Maximal degree in co-relation 0. Up to 471 conditions per place. [2021-04-29 04:08:18,614 INFO L146 LiptonReduction]: Number of co-enabled transitions 2818 [2021-04-29 04:08:18,660 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:18,660 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:18,660 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1060 [2021-04-29 04:08:18,661 INFO L480 AbstractCegarLoop]: Abstraction has has 267 places, 450 transitions, 14369 flow [2021-04-29 04:08:18,661 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:18,661 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:18,661 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] [2021-04-29 04:08:18,661 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-04-29 04:08:18,661 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:18,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:18,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1841063464, now seen corresponding path program 24 times [2021-04-29 04:08:18,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:18,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076958305] [2021-04-29 04:08:18,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:18,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:18,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:18,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:18,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:18,694 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:08:18,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:08:18,705 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:08:18,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:08:18,723 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:08:18,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:08:18,746 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-04-29 04:08:18,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 04:08:18,797 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:08:18,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:08:18,836 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:08:18,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:08:18,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:18,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076958305] [2021-04-29 04:08:18,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:18,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:08:18,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839518804] [2021-04-29 04:08:18,874 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:08:18,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:18,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:08:18,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:08:18,875 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:08:18,876 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 450 transitions, 14369 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:18,876 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:18,876 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:08:18,876 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:21,160 INFO L129 PetriNetUnfolder]: 739/5578 cut-off events. [2021-04-29 04:08:21,160 INFO L130 PetriNetUnfolder]: For 208639/211593 co-relation queries the response was YES. [2021-04-29 04:08:21,219 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41514 conditions, 5578 events. 739/5578 cut-off events. For 208639/211593 co-relation queries the response was YES. Maximal size of possible extension queue 789. Compared 83205 event pairs, 582 based on Foata normal form. 42/5278 useless extension candidates. Maximal degree in co-relation 41395. Up to 1112 conditions per place. [2021-04-29 04:08:21,238 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 155 selfloop transitions, 304 changer transitions 3/476 dead transitions. [2021-04-29 04:08:21,238 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 476 transitions, 15912 flow [2021-04-29 04:08:21,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:08:21,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:08:21,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:08:21,240 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:08:21,240 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:08:21,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:08:21,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:21,241 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:08:21,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:21,243 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:21,243 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:21,243 INFO L185 Difference]: Start difference. First operand has 267 places, 450 transitions, 14369 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:08:21,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 476 transitions, 15912 flow [2021-04-29 04:08:23,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 476 transitions, 15281 flow, removed 20 selfloop flow, removed 7 redundant places. [2021-04-29 04:08:23,100 INFO L241 Difference]: Finished difference. Result has 271 places, 459 transitions, 14692 flow [2021-04-29 04:08:23,101 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=13757, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=294, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=14692, PETRI_PLACES=271, PETRI_TRANSITIONS=459} [2021-04-29 04:08:23,101 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 220 predicate places. [2021-04-29 04:08:23,101 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:23,101 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 271 places, 459 transitions, 14692 flow [2021-04-29 04:08:23,102 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 271 places, 459 transitions, 14692 flow [2021-04-29 04:08:23,108 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 270 places, 459 transitions, 14692 flow [2021-04-29 04:08:24,070 INFO L129 PetriNetUnfolder]: 0/4097 cut-off events. [2021-04-29 04:08:24,070 INFO L130 PetriNetUnfolder]: For 135337/137465 co-relation queries the response was YES. [2021-04-29 04:08:24,070 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22157 conditions, 4097 events. 0/4097 cut-off events. For 135337/137465 co-relation queries the response was YES. Maximal size of possible extension queue 635. Compared 67697 event pairs, 0 based on Foata normal form. 8/3866 useless extension candidates. Maximal degree in co-relation 0. Up to 470 conditions per place. [2021-04-29 04:08:24,127 INFO L146 LiptonReduction]: Number of co-enabled transitions 2920 [2021-04-29 04:08:24,179 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:24,179 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:24,179 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1078 [2021-04-29 04:08:24,180 INFO L480 AbstractCegarLoop]: Abstraction has has 270 places, 459 transitions, 14692 flow [2021-04-29 04:08:24,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:24,180 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:24,180 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] [2021-04-29 04:08:24,181 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-04-29 04:08:24,181 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:24,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:24,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1143194326, now seen corresponding path program 25 times [2021-04-29 04:08:24,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:24,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257158975] [2021-04-29 04:08:24,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:24,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:24,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:24,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:24,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:24,213 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:08:24,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:08:24,231 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:08:24,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:08:24,255 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:08:24,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:08:24,286 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:08:24,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:08:24,327 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:08:24,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:08:24,376 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:08:24,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:08:24,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:24,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257158975] [2021-04-29 04:08:24,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:24,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:08:24,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151633869] [2021-04-29 04:08:24,419 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:08:24,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:24,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:08:24,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:08:24,421 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:08:24,421 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 459 transitions, 14692 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:24,421 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:24,422 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:08:24,422 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:26,865 INFO L129 PetriNetUnfolder]: 737/5816 cut-off events. [2021-04-29 04:08:26,865 INFO L130 PetriNetUnfolder]: For 206035/208989 co-relation queries the response was YES. [2021-04-29 04:08:26,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41848 conditions, 5816 events. 737/5816 cut-off events. For 206035/208989 co-relation queries the response was YES. Maximal size of possible extension queue 815. Compared 88162 event pairs, 491 based on Foata normal form. 42/5536 useless extension candidates. Maximal degree in co-relation 41729. Up to 1112 conditions per place. [2021-04-29 04:08:26,950 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 118 selfloop transitions, 343 changer transitions 2/477 dead transitions. [2021-04-29 04:08:26,950 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 477 transitions, 16004 flow [2021-04-29 04:08:26,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:08:26,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:08:26,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:08:26,956 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:08:26,957 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:08:26,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:08:26,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:26,957 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:08:26,958 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:26,959 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:26,960 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:26,960 INFO L185 Difference]: Start difference. First operand has 270 places, 459 transitions, 14692 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:08:26,960 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 477 transitions, 16004 flow [2021-04-29 04:08:28,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 477 transitions, 15348 flow, removed 36 selfloop flow, removed 10 redundant places. [2021-04-29 04:08:28,687 INFO L241 Difference]: Finished difference. Result has 272 places, 465 transitions, 15036 flow [2021-04-29 04:08:28,688 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=14058, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=459, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=337, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15036, PETRI_PLACES=272, PETRI_TRANSITIONS=465} [2021-04-29 04:08:28,688 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 221 predicate places. [2021-04-29 04:08:28,688 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:28,688 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 272 places, 465 transitions, 15036 flow [2021-04-29 04:08:28,688 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 272 places, 465 transitions, 15036 flow [2021-04-29 04:08:28,694 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 271 places, 465 transitions, 15036 flow [2021-04-29 04:08:29,545 INFO L129 PetriNetUnfolder]: 0/4104 cut-off events. [2021-04-29 04:08:29,546 INFO L130 PetriNetUnfolder]: For 138541/141397 co-relation queries the response was YES. [2021-04-29 04:08:29,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22288 conditions, 4104 events. 0/4104 cut-off events. For 138541/141397 co-relation queries the response was YES. Maximal size of possible extension queue 652. Compared 67949 event pairs, 0 based on Foata normal form. 11/3894 useless extension candidates. Maximal degree in co-relation 0. Up to 471 conditions per place. [2021-04-29 04:08:29,599 INFO L146 LiptonReduction]: Number of co-enabled transitions 2966 [2021-04-29 04:08:29,650 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:29,650 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:29,650 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 962 [2021-04-29 04:08:29,651 INFO L480 AbstractCegarLoop]: Abstraction has has 271 places, 465 transitions, 15036 flow [2021-04-29 04:08:29,651 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:29,651 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:29,652 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] [2021-04-29 04:08:29,652 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-04-29 04:08:29,652 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:29,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:29,652 INFO L82 PathProgramCache]: Analyzing trace with hash 678155148, now seen corresponding path program 26 times [2021-04-29 04:08:29,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:29,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187300281] [2021-04-29 04:08:29,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:29,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:29,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:29,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:29,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:29,708 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:08:29,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:08:29,725 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:08:29,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:08:29,745 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:08:29,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:08:29,767 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:08:29,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:08:29,800 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:08:29,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:08:29,841 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:08:29,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:08:29,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:29,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187300281] [2021-04-29 04:08:29,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:29,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:08:29,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934767238] [2021-04-29 04:08:29,888 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:08:29,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:29,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:08:29,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:08:29,890 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:08:29,891 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 465 transitions, 15036 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:29,891 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:29,891 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:08:29,891 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:32,154 INFO L129 PetriNetUnfolder]: 721/5890 cut-off events. [2021-04-29 04:08:32,155 INFO L130 PetriNetUnfolder]: For 205777/208731 co-relation queries the response was YES. [2021-04-29 04:08:32,217 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42121 conditions, 5890 events. 721/5890 cut-off events. For 205777/208731 co-relation queries the response was YES. Maximal size of possible extension queue 826. Compared 89985 event pairs, 475 based on Foata normal form. 42/5603 useless extension candidates. Maximal degree in co-relation 42004. Up to 1112 conditions per place. [2021-04-29 04:08:32,236 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 161 selfloop transitions, 315 changer transitions 2/492 dead transitions. [2021-04-29 04:08:32,236 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 492 transitions, 16693 flow [2021-04-29 04:08:32,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:08:32,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:08:32,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:08:32,237 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:08:32,237 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:08:32,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:08:32,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:32,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:08:32,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:32,241 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:32,241 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:32,241 INFO L185 Difference]: Start difference. First operand has 271 places, 465 transitions, 15036 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:08:32,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 492 transitions, 16693 flow [2021-04-29 04:08:33,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 492 transitions, 15919 flow, removed 18 selfloop flow, removed 7 redundant places. [2021-04-29 04:08:33,864 INFO L241 Difference]: Finished difference. Result has 276 places, 476 transitions, 15364 flow [2021-04-29 04:08:33,865 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=14277, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=465, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=304, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15364, PETRI_PLACES=276, PETRI_TRANSITIONS=476} [2021-04-29 04:08:33,865 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 225 predicate places. [2021-04-29 04:08:33,865 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:33,865 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 276 places, 476 transitions, 15364 flow [2021-04-29 04:08:33,866 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 276 places, 476 transitions, 15364 flow [2021-04-29 04:08:33,875 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 275 places, 476 transitions, 15364 flow [2021-04-29 04:08:34,775 INFO L129 PetriNetUnfolder]: 0/4212 cut-off events. [2021-04-29 04:08:34,776 INFO L130 PetriNetUnfolder]: For 142683/145065 co-relation queries the response was YES. [2021-04-29 04:08:34,776 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23070 conditions, 4212 events. 0/4212 cut-off events. For 142683/145065 co-relation queries the response was YES. Maximal size of possible extension queue 661. Compared 70004 event pairs, 0 based on Foata normal form. 7/3989 useless extension candidates. Maximal degree in co-relation 0. Up to 487 conditions per place. [2021-04-29 04:08:34,829 INFO L146 LiptonReduction]: Number of co-enabled transitions 3040 [2021-04-29 04:08:34,882 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:34,882 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:34,882 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1017 [2021-04-29 04:08:34,883 INFO L480 AbstractCegarLoop]: Abstraction has has 275 places, 476 transitions, 15364 flow [2021-04-29 04:08:34,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:34,883 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:34,884 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] [2021-04-29 04:08:34,884 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-04-29 04:08:34,884 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:34,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:34,884 INFO L82 PathProgramCache]: Analyzing trace with hash 435298664, now seen corresponding path program 27 times [2021-04-29 04:08:34,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:34,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779420834] [2021-04-29 04:08:34,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:34,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:34,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:34,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:34,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:34,917 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:08:34,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:08:34,928 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:08:34,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:08:34,947 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:08:34,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:08:34,970 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:08:34,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:08:34,999 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:08:35,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:08:35,037 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:08:35,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:08:35,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:35,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779420834] [2021-04-29 04:08:35,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:35,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:08:35,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919178199] [2021-04-29 04:08:35,074 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:08:35,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:35,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:08:35,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:08:35,076 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:08:35,076 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 476 transitions, 15364 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:35,076 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:35,076 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:08:35,077 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:37,474 INFO L129 PetriNetUnfolder]: 721/5883 cut-off events. [2021-04-29 04:08:37,474 INFO L130 PetriNetUnfolder]: For 205435/208389 co-relation queries the response was YES. [2021-04-29 04:08:37,534 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42071 conditions, 5883 events. 721/5883 cut-off events. For 205435/208389 co-relation queries the response was YES. Maximal size of possible extension queue 824. Compared 89765 event pairs, 475 based on Foata normal form. 42/5590 useless extension candidates. Maximal degree in co-relation 41952. Up to 1112 conditions per place. [2021-04-29 04:08:37,552 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 164 selfloop transitions, 313 changer transitions 2/493 dead transitions. [2021-04-29 04:08:37,553 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 493 transitions, 16663 flow [2021-04-29 04:08:37,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:08:37,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:08:37,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:08:37,554 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:08:37,554 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:08:37,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:08:37,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:37,555 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:08:37,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:37,557 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:37,557 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:37,557 INFO L185 Difference]: Start difference. First operand has 275 places, 476 transitions, 15364 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:08:37,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 493 transitions, 16663 flow [2021-04-29 04:08:39,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 493 transitions, 16070 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-04-29 04:08:39,159 INFO L241 Difference]: Finished difference. Result has 279 places, 477 transitions, 15463 flow [2021-04-29 04:08:39,159 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=14784, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=476, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=310, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15463, PETRI_PLACES=279, PETRI_TRANSITIONS=477} [2021-04-29 04:08:39,160 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 228 predicate places. [2021-04-29 04:08:39,160 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:39,160 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 279 places, 477 transitions, 15463 flow [2021-04-29 04:08:39,160 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 279 places, 477 transitions, 15463 flow [2021-04-29 04:08:39,169 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 278 places, 477 transitions, 15463 flow [2021-04-29 04:08:40,071 INFO L129 PetriNetUnfolder]: 0/4205 cut-off events. [2021-04-29 04:08:40,071 INFO L130 PetriNetUnfolder]: For 143803/145977 co-relation queries the response was YES. [2021-04-29 04:08:40,071 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23246 conditions, 4205 events. 0/4205 cut-off events. For 143803/145977 co-relation queries the response was YES. Maximal size of possible extension queue 659. Compared 69924 event pairs, 0 based on Foata normal form. 7/3978 useless extension candidates. Maximal degree in co-relation 0. Up to 486 conditions per place. [2021-04-29 04:08:40,126 INFO L146 LiptonReduction]: Number of co-enabled transitions 3060 [2021-04-29 04:08:40,179 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:40,179 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:40,180 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1020 [2021-04-29 04:08:40,180 INFO L480 AbstractCegarLoop]: Abstraction has has 278 places, 477 transitions, 15463 flow [2021-04-29 04:08:40,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:40,180 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:40,181 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] [2021-04-29 04:08:40,181 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-04-29 04:08:40,181 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:40,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:40,181 INFO L82 PathProgramCache]: Analyzing trace with hash 662901418, now seen corresponding path program 28 times [2021-04-29 04:08:40,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:40,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759437219] [2021-04-29 04:08:40,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:40,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:40,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:40,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:40,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:40,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:40,217 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:08:40,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:08:40,228 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:08:40,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:08:40,245 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:08:40,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:08:40,267 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:08:40,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:08:40,301 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:08:40,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:08:40,347 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:08:40,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:08:40,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:40,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759437219] [2021-04-29 04:08:40,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:40,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:08:40,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450741134] [2021-04-29 04:08:40,389 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:08:40,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:40,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:08:40,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:08:40,391 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:08:40,391 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 477 transitions, 15463 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:40,391 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:40,392 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:08:40,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:43,018 INFO L129 PetriNetUnfolder]: 721/5876 cut-off events. [2021-04-29 04:08:43,018 INFO L130 PetriNetUnfolder]: For 207468/210422 co-relation queries the response was YES. [2021-04-29 04:08:43,074 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42244 conditions, 5876 events. 721/5876 cut-off events. For 207468/210422 co-relation queries the response was YES. Maximal size of possible extension queue 822. Compared 89702 event pairs, 475 based on Foata normal form. 42/5590 useless extension candidates. Maximal degree in co-relation 42125. Up to 1112 conditions per place. [2021-04-29 04:08:43,093 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 160 selfloop transitions, 314 changer transitions 1/489 dead transitions. [2021-04-29 04:08:43,093 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 489 transitions, 16593 flow [2021-04-29 04:08:43,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:08:43,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:08:43,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:08:43,094 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:08:43,094 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:08:43,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:08:43,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:43,095 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:08:43,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:43,096 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:43,096 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:43,096 INFO L185 Difference]: Start difference. First operand has 278 places, 477 transitions, 15463 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:08:43,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 489 transitions, 16593 flow [2021-04-29 04:08:44,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 489 transitions, 15966 flow, removed 18 selfloop flow, removed 6 redundant places. [2021-04-29 04:08:44,590 INFO L241 Difference]: Finished difference. Result has 282 places, 478 transitions, 15527 flow [2021-04-29 04:08:44,590 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=14850, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=477, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=312, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15527, PETRI_PLACES=282, PETRI_TRANSITIONS=478} [2021-04-29 04:08:44,590 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 231 predicate places. [2021-04-29 04:08:44,591 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:44,591 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 282 places, 478 transitions, 15527 flow [2021-04-29 04:08:44,591 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 282 places, 478 transitions, 15527 flow [2021-04-29 04:08:44,597 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 281 places, 478 transitions, 15527 flow [2021-04-29 04:08:45,495 INFO L129 PetriNetUnfolder]: 0/4201 cut-off events. [2021-04-29 04:08:45,495 INFO L130 PetriNetUnfolder]: For 144055/146921 co-relation queries the response was YES. [2021-04-29 04:08:45,495 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23281 conditions, 4201 events. 0/4201 cut-off events. For 144055/146921 co-relation queries the response was YES. Maximal size of possible extension queue 656. Compared 69842 event pairs, 0 based on Foata normal form. 7/3968 useless extension candidates. Maximal degree in co-relation 0. Up to 485 conditions per place. [2021-04-29 04:08:45,549 INFO L146 LiptonReduction]: Number of co-enabled transitions 3074 [2021-04-29 04:08:45,603 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:45,603 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:45,603 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1013 [2021-04-29 04:08:45,604 INFO L480 AbstractCegarLoop]: Abstraction has has 281 places, 478 transitions, 15527 flow [2021-04-29 04:08:45,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:45,604 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:45,604 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] [2021-04-29 04:08:45,604 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-04-29 04:08:45,604 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:45,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:45,605 INFO L82 PathProgramCache]: Analyzing trace with hash 642791216, now seen corresponding path program 29 times [2021-04-29 04:08:45,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:45,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50000080] [2021-04-29 04:08:45,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:45,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:45,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:45,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:45,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:45,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:45,633 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:08:45,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:08:45,646 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:08:45,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:08:45,665 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:08:45,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:08:45,687 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:08:45,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:08:45,717 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:08:45,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:08:45,754 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:08:45,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:08:45,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:45,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50000080] [2021-04-29 04:08:45,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:45,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:08:45,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120559224] [2021-04-29 04:08:45,790 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:08:45,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:45,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:08:45,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:08:45,792 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:08:45,793 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 478 transitions, 15527 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:45,793 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:45,793 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:08:45,793 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:48,329 INFO L129 PetriNetUnfolder]: 721/5872 cut-off events. [2021-04-29 04:08:48,330 INFO L130 PetriNetUnfolder]: For 206456/209410 co-relation queries the response was YES. [2021-04-29 04:08:48,382 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42277 conditions, 5872 events. 721/5872 cut-off events. For 206456/209410 co-relation queries the response was YES. Maximal size of possible extension queue 821. Compared 89534 event pairs, 475 based on Foata normal form. 42/5587 useless extension candidates. Maximal degree in co-relation 42158. Up to 1112 conditions per place. [2021-04-29 04:08:48,400 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 161 selfloop transitions, 315 changer transitions 2/492 dead transitions. [2021-04-29 04:08:48,400 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 492 transitions, 16729 flow [2021-04-29 04:08:48,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:08:48,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:08:48,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:08:48,402 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:08:48,402 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:08:48,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:08:48,402 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:48,402 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:08:48,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:48,403 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:48,404 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:48,404 INFO L185 Difference]: Start difference. First operand has 281 places, 478 transitions, 15527 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:08:48,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 492 transitions, 16729 flow [2021-04-29 04:08:49,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 492 transitions, 16104 flow, removed 8 selfloop flow, removed 6 redundant places. [2021-04-29 04:08:49,882 INFO L241 Difference]: Finished difference. Result has 285 places, 480 transitions, 15622 flow [2021-04-29 04:08:49,883 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=14912, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=478, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=312, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15622, PETRI_PLACES=285, PETRI_TRANSITIONS=480} [2021-04-29 04:08:49,883 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 234 predicate places. [2021-04-29 04:08:49,883 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:49,883 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 285 places, 480 transitions, 15622 flow [2021-04-29 04:08:49,883 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 285 places, 480 transitions, 15622 flow [2021-04-29 04:08:49,889 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 284 places, 480 transitions, 15622 flow [2021-04-29 04:08:50,793 INFO L129 PetriNetUnfolder]: 0/4194 cut-off events. [2021-04-29 04:08:50,793 INFO L130 PetriNetUnfolder]: For 142982/145679 co-relation queries the response was YES. [2021-04-29 04:08:50,793 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23270 conditions, 4194 events. 0/4194 cut-off events. For 142982/145679 co-relation queries the response was YES. Maximal size of possible extension queue 668. Compared 69788 event pairs, 0 based on Foata normal form. 7/3970 useless extension candidates. Maximal degree in co-relation 0. Up to 484 conditions per place. [2021-04-29 04:08:50,849 INFO L146 LiptonReduction]: Number of co-enabled transitions 3098 [2021-04-29 04:08:50,904 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:50,905 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:50,905 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1022 [2021-04-29 04:08:50,905 INFO L480 AbstractCegarLoop]: Abstraction has has 284 places, 480 transitions, 15622 flow [2021-04-29 04:08:50,906 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:50,906 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:50,906 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] [2021-04-29 04:08:50,906 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-04-29 04:08:50,906 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:50,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:50,906 INFO L82 PathProgramCache]: Analyzing trace with hash -482809684, now seen corresponding path program 30 times [2021-04-29 04:08:50,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:50,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726013352] [2021-04-29 04:08:50,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:50,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:50,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:50,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:50,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:50,937 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:08:50,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:08:50,948 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:08:50,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:08:50,965 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:08:50,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:08:50,989 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-04-29 04:08:50,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 04:08:51,046 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-04-29 04:08:51,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 04:08:51,094 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:08:51,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:08:51,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:51,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726013352] [2021-04-29 04:08:51,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:51,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:08:51,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491049213] [2021-04-29 04:08:51,140 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:08:51,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:51,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:08:51,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:08:51,142 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:08:51,143 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 480 transitions, 15622 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:51,143 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:51,143 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:08:51,143 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:53,700 INFO L129 PetriNetUnfolder]: 721/5865 cut-off events. [2021-04-29 04:08:53,700 INFO L130 PetriNetUnfolder]: For 206445/209395 co-relation queries the response was YES. [2021-04-29 04:08:53,748 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42263 conditions, 5865 events. 721/5865 cut-off events. For 206445/209395 co-relation queries the response was YES. Maximal size of possible extension queue 820. Compared 89505 event pairs, 475 based on Foata normal form. 40/5578 useless extension candidates. Maximal degree in co-relation 42143. Up to 1112 conditions per place. [2021-04-29 04:08:53,766 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 163 selfloop transitions, 314 changer transitions 1/492 dead transitions. [2021-04-29 04:08:53,766 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 492 transitions, 16771 flow [2021-04-29 04:08:53,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:08:53,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:08:53,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:08:53,767 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:08:53,767 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:08:53,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:08:53,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:53,768 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:08:53,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:53,769 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:53,769 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:53,769 INFO L185 Difference]: Start difference. First operand has 284 places, 480 transitions, 15622 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:08:53,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 492 transitions, 16771 flow [2021-04-29 04:08:55,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 492 transitions, 16150 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-04-29 04:08:55,493 INFO L241 Difference]: Finished difference. Result has 288 places, 481 transitions, 15704 flow [2021-04-29 04:08:55,494 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=15011, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=480, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=312, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15704, PETRI_PLACES=288, PETRI_TRANSITIONS=481} [2021-04-29 04:08:55,494 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 237 predicate places. [2021-04-29 04:08:55,494 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:55,494 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 288 places, 481 transitions, 15704 flow [2021-04-29 04:08:55,494 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 288 places, 481 transitions, 15704 flow [2021-04-29 04:08:55,501 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 287 places, 481 transitions, 15704 flow [2021-04-29 04:08:56,391 INFO L129 PetriNetUnfolder]: 0/4191 cut-off events. [2021-04-29 04:08:56,391 INFO L130 PetriNetUnfolder]: For 145235/148258 co-relation queries the response was YES. [2021-04-29 04:08:56,392 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23277 conditions, 4191 events. 0/4191 cut-off events. For 145235/148258 co-relation queries the response was YES. Maximal size of possible extension queue 654. Compared 69548 event pairs, 0 based on Foata normal form. 10/3969 useless extension candidates. Maximal degree in co-relation 0. Up to 484 conditions per place. [2021-04-29 04:08:56,444 INFO L146 LiptonReduction]: Number of co-enabled transitions 3100 [2021-04-29 04:08:56,497 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:56,497 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:56,497 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1003 [2021-04-29 04:08:56,498 INFO L480 AbstractCegarLoop]: Abstraction has has 287 places, 481 transitions, 15704 flow [2021-04-29 04:08:56,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:56,498 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:56,498 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] [2021-04-29 04:08:56,498 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-04-29 04:08:56,498 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:56,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:56,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1590226306, now seen corresponding path program 31 times [2021-04-29 04:08:56,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:56,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898869563] [2021-04-29 04:08:56,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:56,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:56,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:56,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:56,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:56,528 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:08:56,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:08:56,539 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:08:56,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:08:56,559 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:08:56,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:08:56,583 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:08:56,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:08:56,614 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:08:56,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:08:56,653 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:08:56,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:08:56,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:56,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898869563] [2021-04-29 04:08:56,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:56,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:08:56,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871577613] [2021-04-29 04:08:56,693 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:08:56,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:56,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:08:56,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:08:56,695 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:08:56,695 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 481 transitions, 15704 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:56,696 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:56,696 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:08:56,696 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:59,389 INFO L129 PetriNetUnfolder]: 721/5862 cut-off events. [2021-04-29 04:08:59,389 INFO L130 PetriNetUnfolder]: For 206696/209646 co-relation queries the response was YES. [2021-04-29 04:08:59,435 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42268 conditions, 5862 events. 721/5862 cut-off events. For 206696/209646 co-relation queries the response was YES. Maximal size of possible extension queue 819. Compared 89393 event pairs, 475 based on Foata normal form. 40/5575 useless extension candidates. Maximal degree in co-relation 42147. Up to 1112 conditions per place. [2021-04-29 04:08:59,452 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 131 selfloop transitions, 345 changer transitions 1/491 dead transitions. [2021-04-29 04:08:59,452 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 491 transitions, 16770 flow [2021-04-29 04:08:59,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:08:59,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:08:59,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:08:59,454 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:08:59,454 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:08:59,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:08:59,454 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:59,454 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:08:59,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:59,456 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:59,457 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:59,457 INFO L185 Difference]: Start difference. First operand has 287 places, 481 transitions, 15704 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:08:59,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 491 transitions, 16770 flow [2021-04-29 04:09:01,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 491 transitions, 16148 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-04-29 04:09:01,264 INFO L241 Difference]: Finished difference. Result has 290 places, 480 transitions, 15742 flow [2021-04-29 04:09:01,265 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=15092, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=481, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=345, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15742, PETRI_PLACES=290, PETRI_TRANSITIONS=480} [2021-04-29 04:09:01,265 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 239 predicate places. [2021-04-29 04:09:01,265 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:09:01,265 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 290 places, 480 transitions, 15742 flow [2021-04-29 04:09:01,265 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 290 places, 480 transitions, 15742 flow [2021-04-29 04:09:01,275 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 289 places, 480 transitions, 15742 flow [2021-04-29 04:09:02,175 INFO L129 PetriNetUnfolder]: 0/4186 cut-off events. [2021-04-29 04:09:02,175 INFO L130 PetriNetUnfolder]: For 140337/142436 co-relation queries the response was YES. [2021-04-29 04:09:02,175 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23273 conditions, 4186 events. 0/4186 cut-off events. For 140337/142436 co-relation queries the response was YES. Maximal size of possible extension queue 656. Compared 69519 event pairs, 0 based on Foata normal form. 4/3953 useless extension candidates. Maximal degree in co-relation 0. Up to 483 conditions per place. [2021-04-29 04:09:02,230 INFO L146 LiptonReduction]: Number of co-enabled transitions 3092 [2021-04-29 04:09:02,285 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:09:02,285 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:09:02,286 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1021 [2021-04-29 04:09:02,286 INFO L480 AbstractCegarLoop]: Abstraction has has 289 places, 480 transitions, 15742 flow [2021-04-29 04:09:02,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:02,287 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:09:02,287 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] [2021-04-29 04:09:02,287 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-04-29 04:09:02,287 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:09:02,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:09:02,287 INFO L82 PathProgramCache]: Analyzing trace with hash -333912154, now seen corresponding path program 32 times [2021-04-29 04:09:02,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:09:02,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254795880] [2021-04-29 04:09:02,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:09:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:09:02,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:02,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:09:02,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:02,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:09:02,317 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:09:02,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:09:02,328 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:09:02,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:09:02,345 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:09:02,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:09:02,376 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:09:02,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:09:02,409 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:09:02,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:09:02,449 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:09:02,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:09:02,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:09:02,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254795880] [2021-04-29 04:09:02,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:09:02,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:09:02,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738113875] [2021-04-29 04:09:02,496 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:09:02,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:09:02,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:09:02,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:09:02,498 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:09:02,499 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 480 transitions, 15742 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:02,499 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:09:02,499 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:09:02,499 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:09:04,930 INFO L129 PetriNetUnfolder]: 721/5857 cut-off events. [2021-04-29 04:09:04,931 INFO L130 PetriNetUnfolder]: For 206565/209519 co-relation queries the response was YES. [2021-04-29 04:09:04,995 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42262 conditions, 5857 events. 721/5857 cut-off events. For 206565/209519 co-relation queries the response was YES. Maximal size of possible extension queue 818. Compared 89291 event pairs, 475 based on Foata normal form. 42/5573 useless extension candidates. Maximal degree in co-relation 42141. Up to 1112 conditions per place. [2021-04-29 04:09:05,196 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 126 selfloop transitions, 349 changer transitions 1/490 dead transitions. [2021-04-29 04:09:05,196 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 490 transitions, 16806 flow [2021-04-29 04:09:05,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:09:05,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:09:05,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:09:05,198 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:09:05,198 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:09:05,198 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:09:05,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:09:05,199 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:09:05,199 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:05,200 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:05,200 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:05,200 INFO L185 Difference]: Start difference. First operand has 289 places, 480 transitions, 15742 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:09:05,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 490 transitions, 16806 flow [2021-04-29 04:09:06,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 490 transitions, 16114 flow, removed 9 selfloop flow, removed 6 redundant places. [2021-04-29 04:09:06,766 INFO L241 Difference]: Finished difference. Result has 292 places, 479 transitions, 15717 flow [2021-04-29 04:09:06,766 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=15060, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=480, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=349, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15717, PETRI_PLACES=292, PETRI_TRANSITIONS=479} [2021-04-29 04:09:06,767 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 241 predicate places. [2021-04-29 04:09:06,767 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:09:06,767 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 292 places, 479 transitions, 15717 flow [2021-04-29 04:09:06,767 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 292 places, 479 transitions, 15717 flow [2021-04-29 04:09:06,773 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 291 places, 479 transitions, 15717 flow [2021-04-29 04:09:07,662 INFO L129 PetriNetUnfolder]: 0/4182 cut-off events. [2021-04-29 04:09:07,662 INFO L130 PetriNetUnfolder]: For 143954/146788 co-relation queries the response was YES. [2021-04-29 04:09:07,662 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23266 conditions, 4182 events. 0/4182 cut-off events. For 143954/146788 co-relation queries the response was YES. Maximal size of possible extension queue 665. Compared 69458 event pairs, 0 based on Foata normal form. 7/3955 useless extension candidates. Maximal degree in co-relation 0. Up to 482 conditions per place. [2021-04-29 04:09:07,715 INFO L146 LiptonReduction]: Number of co-enabled transitions 3082 [2021-04-29 04:09:07,768 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:09:07,768 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:09:07,768 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1001 [2021-04-29 04:09:07,769 INFO L480 AbstractCegarLoop]: Abstraction has has 291 places, 479 transitions, 15717 flow [2021-04-29 04:09:07,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:07,769 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:09:07,769 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:09:07,769 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-04-29 04:09:07,770 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:09:07,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:09:07,770 INFO L82 PathProgramCache]: Analyzing trace with hash -521849848, now seen corresponding path program 33 times [2021-04-29 04:09:07,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:09:07,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405848731] [2021-04-29 04:09:07,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:09:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:09:07,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:07,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:09:07,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:07,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:09:07,798 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:09:07,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:09:07,810 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:09:07,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:09:07,827 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:09:07,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:09:07,851 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:09:07,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:09:07,881 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:09:07,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:09:07,921 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:09:07,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:09:07,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:09:07,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405848731] [2021-04-29 04:09:07,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:09:07,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:09:07,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362624326] [2021-04-29 04:09:07,963 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:09:07,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:09:07,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:09:07,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:09:07,965 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:09:07,966 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 479 transitions, 15717 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:07,966 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:09:07,966 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:09:07,966 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:09:10,467 INFO L129 PetriNetUnfolder]: 721/5829 cut-off events. [2021-04-29 04:09:10,468 INFO L130 PetriNetUnfolder]: For 207089/210043 co-relation queries the response was YES. [2021-04-29 04:09:10,532 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42229 conditions, 5829 events. 721/5829 cut-off events. For 207089/210043 co-relation queries the response was YES. Maximal size of possible extension queue 813. Compared 88681 event pairs, 517 based on Foata normal form. 42/5550 useless extension candidates. Maximal degree in co-relation 42108. Up to 1112 conditions per place. [2021-04-29 04:09:10,551 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 128 selfloop transitions, 345 changer transitions 2/489 dead transitions. [2021-04-29 04:09:10,551 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 489 transitions, 16779 flow [2021-04-29 04:09:10,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:09:10,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:09:10,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:09:10,552 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:09:10,552 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:09:10,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:09:10,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:09:10,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:09:10,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:10,554 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:10,554 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:10,554 INFO L185 Difference]: Start difference. First operand has 291 places, 479 transitions, 15717 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:09:10,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 489 transitions, 16779 flow [2021-04-29 04:09:12,289 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 489 transitions, 16068 flow, removed 8 selfloop flow, removed 7 redundant places. [2021-04-29 04:09:12,303 INFO L241 Difference]: Finished difference. Result has 293 places, 477 transitions, 15625 flow [2021-04-29 04:09:12,303 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=15016, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=479, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=345, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15625, PETRI_PLACES=293, PETRI_TRANSITIONS=477} [2021-04-29 04:09:12,303 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 242 predicate places. [2021-04-29 04:09:12,304 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:09:12,304 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 293 places, 477 transitions, 15625 flow [2021-04-29 04:09:12,304 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 293 places, 477 transitions, 15625 flow [2021-04-29 04:09:12,311 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 292 places, 477 transitions, 15625 flow [2021-04-29 04:09:13,183 INFO L129 PetriNetUnfolder]: 0/4176 cut-off events. [2021-04-29 04:09:13,183 INFO L130 PetriNetUnfolder]: For 139868/141982 co-relation queries the response was YES. [2021-04-29 04:09:13,184 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23239 conditions, 4176 events. 0/4176 cut-off events. For 139868/141982 co-relation queries the response was YES. Maximal size of possible extension queue 675. Compared 69370 event pairs, 0 based on Foata normal form. 4/3956 useless extension candidates. Maximal degree in co-relation 0. Up to 481 conditions per place. [2021-04-29 04:09:13,237 INFO L146 LiptonReduction]: Number of co-enabled transitions 3066 [2021-04-29 04:09:13,291 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:09:13,291 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:09:13,291 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 987 [2021-04-29 04:09:13,292 INFO L480 AbstractCegarLoop]: Abstraction has has 292 places, 477 transitions, 15625 flow [2021-04-29 04:09:13,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:13,292 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:09:13,292 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] [2021-04-29 04:09:13,292 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-04-29 04:09:13,292 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:09:13,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:09:13,293 INFO L82 PathProgramCache]: Analyzing trace with hash 353559026, now seen corresponding path program 34 times [2021-04-29 04:09:13,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:09:13,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197655044] [2021-04-29 04:09:13,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:09:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:09:13,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:13,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:09:13,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:13,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:09:13,320 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:09:13,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:09:13,331 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:09:13,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:09:13,349 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:09:13,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:09:13,378 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-04-29 04:09:13,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 04:09:13,441 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-04-29 04:09:13,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 04:09:13,490 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:09:13,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:09:13,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:09:13,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197655044] [2021-04-29 04:09:13,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:09:13,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:09:13,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335595332] [2021-04-29 04:09:13,535 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:09:13,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:09:13,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:09:13,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:09:13,537 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:09:13,537 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 477 transitions, 15625 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:13,537 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:09:13,538 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:09:13,538 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:09:16,078 INFO L129 PetriNetUnfolder]: 721/5847 cut-off events. [2021-04-29 04:09:16,079 INFO L130 PetriNetUnfolder]: For 205742/208696 co-relation queries the response was YES. [2021-04-29 04:09:16,133 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42223 conditions, 5847 events. 721/5847 cut-off events. For 205742/208696 co-relation queries the response was YES. Maximal size of possible extension queue 816. Compared 89114 event pairs, 475 based on Foata normal form. 42/5565 useless extension candidates. Maximal degree in co-relation 42103. Up to 1112 conditions per place. [2021-04-29 04:09:16,153 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 155 selfloop transitions, 317 changer transitions 1/487 dead transitions. [2021-04-29 04:09:16,153 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 487 transitions, 16683 flow [2021-04-29 04:09:16,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:09:16,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:09:16,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:09:16,155 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:09:16,155 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:09:16,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:09:16,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:09:16,155 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:09:16,156 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:16,157 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:16,157 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:16,157 INFO L185 Difference]: Start difference. First operand has 292 places, 477 transitions, 15625 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:09:16,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 487 transitions, 16683 flow [2021-04-29 04:09:17,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 487 transitions, 15959 flow, removed 7 selfloop flow, removed 7 redundant places. [2021-04-29 04:09:17,769 INFO L241 Difference]: Finished difference. Result has 294 places, 476 transitions, 15509 flow [2021-04-29 04:09:17,770 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=14911, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=477, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=317, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15509, PETRI_PLACES=294, PETRI_TRANSITIONS=476} [2021-04-29 04:09:17,770 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 243 predicate places. [2021-04-29 04:09:17,770 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:09:17,771 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 294 places, 476 transitions, 15509 flow [2021-04-29 04:09:17,771 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 294 places, 476 transitions, 15509 flow [2021-04-29 04:09:17,780 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 293 places, 476 transitions, 15509 flow [2021-04-29 04:09:18,733 INFO L129 PetriNetUnfolder]: 0/4173 cut-off events. [2021-04-29 04:09:18,733 INFO L130 PetriNetUnfolder]: For 141654/144071 co-relation queries the response was YES. [2021-04-29 04:09:18,733 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23230 conditions, 4173 events. 0/4173 cut-off events. For 141654/144071 co-relation queries the response was YES. Maximal size of possible extension queue 662. Compared 69234 event pairs, 0 based on Foata normal form. 7/3949 useless extension candidates. Maximal degree in co-relation 0. Up to 481 conditions per place. [2021-04-29 04:09:18,786 INFO L146 LiptonReduction]: Number of co-enabled transitions 3054 [2021-04-29 04:09:18,845 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:09:18,845 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:09:18,846 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1076 [2021-04-29 04:09:18,846 INFO L480 AbstractCegarLoop]: Abstraction has has 293 places, 476 transitions, 15509 flow [2021-04-29 04:09:18,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:18,846 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:09:18,846 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] [2021-04-29 04:09:18,846 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-04-29 04:09:18,846 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:09:18,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:09:18,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1944938414, now seen corresponding path program 35 times [2021-04-29 04:09:18,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:09:18,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046438161] [2021-04-29 04:09:18,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:09:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:09:18,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:18,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:09:18,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:18,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:09:18,872 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:09:18,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:09:18,884 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:09:18,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:09:18,903 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:09:18,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:09:18,931 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:09:18,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:09:18,968 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:09:18,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:09:19,016 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:09:19,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:09:19,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:09:19,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046438161] [2021-04-29 04:09:19,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:09:19,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:09:19,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16168110] [2021-04-29 04:09:19,062 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:09:19,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:09:19,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:09:19,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:09:19,064 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:09:19,065 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 476 transitions, 15509 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:19,065 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:09:19,065 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:09:19,065 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:09:21,649 INFO L129 PetriNetUnfolder]: 721/5844 cut-off events. [2021-04-29 04:09:21,649 INFO L130 PetriNetUnfolder]: For 205216/208170 co-relation queries the response was YES. [2021-04-29 04:09:21,709 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42212 conditions, 5844 events. 721/5844 cut-off events. For 205216/208170 co-relation queries the response was YES. Maximal size of possible extension queue 815. Compared 88961 event pairs, 475 based on Foata normal form. 42/5562 useless extension candidates. Maximal degree in co-relation 42093. Up to 1112 conditions per place. [2021-04-29 04:09:21,729 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 142 selfloop transitions, 328 changer transitions 2/486 dead transitions. [2021-04-29 04:09:21,729 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 486 transitions, 16565 flow [2021-04-29 04:09:21,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:09:21,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:09:21,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:09:21,730 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:09:21,730 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:09:21,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:09:21,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:09:21,731 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:09:21,732 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:21,733 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:21,733 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:21,733 INFO L185 Difference]: Start difference. First operand has 293 places, 476 transitions, 15509 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:09:21,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 486 transitions, 16565 flow [2021-04-29 04:09:23,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 486 transitions, 15910 flow, removed 8 selfloop flow, removed 7 redundant places. [2021-04-29 04:09:23,209 INFO L241 Difference]: Finished difference. Result has 295 places, 474 transitions, 15447 flow [2021-04-29 04:09:23,209 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=14864, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=476, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=328, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15447, PETRI_PLACES=295, PETRI_TRANSITIONS=474} [2021-04-29 04:09:23,210 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 244 predicate places. [2021-04-29 04:09:23,210 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:09:23,210 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 295 places, 474 transitions, 15447 flow [2021-04-29 04:09:23,210 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 295 places, 474 transitions, 15447 flow [2021-04-29 04:09:23,216 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 294 places, 474 transitions, 15447 flow [2021-04-29 04:09:24,123 INFO L129 PetriNetUnfolder]: 0/4166 cut-off events. [2021-04-29 04:09:24,123 INFO L130 PetriNetUnfolder]: For 141368/143515 co-relation queries the response was YES. [2021-04-29 04:09:24,123 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23209 conditions, 4166 events. 0/4166 cut-off events. For 141368/143515 co-relation queries the response was YES. Maximal size of possible extension queue 653. Compared 69139 event pairs, 0 based on Foata normal form. 4/3934 useless extension candidates. Maximal degree in co-relation 0. Up to 480 conditions per place. [2021-04-29 04:09:24,188 INFO L146 LiptonReduction]: Number of co-enabled transitions 3040 [2021-04-29 04:09:24,243 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:09:24,243 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:09:24,243 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1033 [2021-04-29 04:09:24,244 INFO L480 AbstractCegarLoop]: Abstraction has has 294 places, 474 transitions, 15447 flow [2021-04-29 04:09:24,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:24,244 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:09:24,244 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] [2021-04-29 04:09:24,244 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-04-29 04:09:24,244 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:09:24,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:09:24,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1235406042, now seen corresponding path program 36 times [2021-04-29 04:09:24,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:09:24,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010749169] [2021-04-29 04:09:24,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:09:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:09:24,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:24,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:09:24,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:24,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:09:24,271 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:09:24,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:09:24,282 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:09:24,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:09:24,303 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:09:24,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:09:24,328 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:09:24,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:09:24,358 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-04-29 04:09:24,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 04:09:24,404 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:09:24,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:09:24,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:09:24,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010749169] [2021-04-29 04:09:24,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:09:24,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:09:24,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722571973] [2021-04-29 04:09:24,448 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:09:24,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:09:24,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:09:24,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:09:24,449 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:09:24,449 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 474 transitions, 15447 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:24,449 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:09:24,449 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:09:24,449 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:09:26,827 INFO L129 PetriNetUnfolder]: 721/5837 cut-off events. [2021-04-29 04:09:26,827 INFO L130 PetriNetUnfolder]: For 204206/207085 co-relation queries the response was YES. [2021-04-29 04:09:26,889 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42188 conditions, 5837 events. 721/5837 cut-off events. For 204206/207085 co-relation queries the response was YES. Maximal size of possible extension queue 813. Compared 88917 event pairs, 475 based on Foata normal form. 40/5554 useless extension candidates. Maximal degree in co-relation 42070. Up to 1112 conditions per place. [2021-04-29 04:09:26,908 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 145 selfloop transitions, 324 changer transitions 1/484 dead transitions. [2021-04-29 04:09:26,908 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 484 transitions, 16499 flow [2021-04-29 04:09:26,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:09:26,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:09:26,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:09:26,910 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:09:26,910 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:09:26,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:09:26,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:09:26,910 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:09:26,911 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:26,912 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:26,912 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:26,912 INFO L185 Difference]: Start difference. First operand has 294 places, 474 transitions, 15447 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:09:26,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 484 transitions, 16499 flow [2021-04-29 04:09:28,471 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 484 transitions, 15847 flow, removed 9 selfloop flow, removed 6 redundant places. [2021-04-29 04:09:28,484 INFO L241 Difference]: Finished difference. Result has 297 places, 473 transitions, 15416 flow [2021-04-29 04:09:28,485 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=14805, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=474, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=324, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15416, PETRI_PLACES=297, PETRI_TRANSITIONS=473} [2021-04-29 04:09:28,485 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 246 predicate places. [2021-04-29 04:09:28,485 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:09:28,485 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 297 places, 473 transitions, 15416 flow [2021-04-29 04:09:28,485 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 297 places, 473 transitions, 15416 flow [2021-04-29 04:09:28,492 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 296 places, 473 transitions, 15416 flow [2021-04-29 04:09:29,352 INFO L129 PetriNetUnfolder]: 0/4163 cut-off events. [2021-04-29 04:09:29,353 INFO L130 PetriNetUnfolder]: For 139420/142098 co-relation queries the response was YES. [2021-04-29 04:09:29,353 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23203 conditions, 4163 events. 0/4163 cut-off events. For 139420/142098 co-relation queries the response was YES. Maximal size of possible extension queue 650. Compared 69067 event pairs, 0 based on Foata normal form. 7/3937 useless extension candidates. Maximal degree in co-relation 0. Up to 480 conditions per place. [2021-04-29 04:09:29,407 INFO L146 LiptonReduction]: Number of co-enabled transitions 3028 [2021-04-29 04:09:29,463 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:09:29,463 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:09:29,463 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 978 [2021-04-29 04:09:29,464 INFO L480 AbstractCegarLoop]: Abstraction has has 296 places, 473 transitions, 15416 flow [2021-04-29 04:09:29,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:29,464 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:09:29,464 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] [2021-04-29 04:09:29,464 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-04-29 04:09:29,465 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:09:29,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:09:29,465 INFO L82 PathProgramCache]: Analyzing trace with hash -847290394, now seen corresponding path program 37 times [2021-04-29 04:09:29,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:09:29,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191440825] [2021-04-29 04:09:29,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:09:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:09:29,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:29,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:09:29,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:29,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:09:29,499 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:09:29,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:09:29,518 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:09:29,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:09:29,539 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:09:29,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:09:29,567 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:09:29,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:09:29,606 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:09:29,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:09:29,652 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:09:29,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:09:29,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:09:29,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191440825] [2021-04-29 04:09:29,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:09:29,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:09:29,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714201255] [2021-04-29 04:09:29,694 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:09:29,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:09:29,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:09:29,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:09:29,695 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:09:29,696 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 473 transitions, 15416 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:29,696 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:09:29,696 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:09:29,696 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:09:32,118 INFO L129 PetriNetUnfolder]: 721/5834 cut-off events. [2021-04-29 04:09:32,118 INFO L130 PetriNetUnfolder]: For 204152/207035 co-relation queries the response was YES. [2021-04-29 04:09:32,180 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42180 conditions, 5834 events. 721/5834 cut-off events. For 204152/207035 co-relation queries the response was YES. Maximal size of possible extension queue 812. Compared 88915 event pairs, 475 based on Foata normal form. 42/5553 useless extension candidates. Maximal degree in co-relation 42062. Up to 1112 conditions per place. [2021-04-29 04:09:32,199 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 153 selfloop transitions, 314 changer transitions 2/483 dead transitions. [2021-04-29 04:09:32,199 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 483 transitions, 16466 flow [2021-04-29 04:09:32,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:09:32,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:09:32,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:09:32,201 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:09:32,201 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:09:32,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:09:32,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:09:32,201 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:09:32,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:32,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:32,204 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:32,204 INFO L185 Difference]: Start difference. First operand has 296 places, 473 transitions, 15416 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:09:32,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 483 transitions, 16466 flow [2021-04-29 04:09:33,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 483 transitions, 15811 flow, removed 7 selfloop flow, removed 7 redundant places. [2021-04-29 04:09:33,769 INFO L241 Difference]: Finished difference. Result has 298 places, 471 transitions, 15316 flow [2021-04-29 04:09:33,769 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=14771, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=473, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=314, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15316, PETRI_PLACES=298, PETRI_TRANSITIONS=471} [2021-04-29 04:09:33,770 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 247 predicate places. [2021-04-29 04:09:33,770 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:09:33,770 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 298 places, 471 transitions, 15316 flow [2021-04-29 04:09:33,770 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 298 places, 471 transitions, 15316 flow [2021-04-29 04:09:33,776 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 297 places, 471 transitions, 15316 flow [2021-04-29 04:09:34,705 INFO L129 PetriNetUnfolder]: 0/4156 cut-off events. [2021-04-29 04:09:34,705 INFO L130 PetriNetUnfolder]: For 140608/142767 co-relation queries the response was YES. [2021-04-29 04:09:34,705 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23228 conditions, 4156 events. 0/4156 cut-off events. For 140608/142767 co-relation queries the response was YES. Maximal size of possible extension queue 648. Compared 68939 event pairs, 0 based on Foata normal form. 4/3930 useless extension candidates. Maximal degree in co-relation 0. Up to 479 conditions per place. [2021-04-29 04:09:34,753 INFO L146 LiptonReduction]: Number of co-enabled transitions 3016 [2021-04-29 04:09:34,803 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:09:34,804 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:09:34,804 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1034 [2021-04-29 04:09:34,804 INFO L480 AbstractCegarLoop]: Abstraction has has 297 places, 471 transitions, 15316 flow [2021-04-29 04:09:34,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:34,805 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:09:34,805 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] [2021-04-29 04:09:34,805 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-04-29 04:09:34,805 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:09:34,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:09:34,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1862264972, now seen corresponding path program 38 times [2021-04-29 04:09:34,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:09:34,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40018904] [2021-04-29 04:09:34,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:09:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:09:34,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:34,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:09:34,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:34,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:09:34,833 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:09:34,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:09:34,844 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:09:34,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:09:34,860 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:09:34,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:09:34,882 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:09:34,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:09:34,915 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:09:34,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:09:34,961 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:09:34,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:09:35,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:09:35,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40018904] [2021-04-29 04:09:35,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:09:35,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:09:35,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278804239] [2021-04-29 04:09:35,007 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:09:35,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:09:35,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:09:35,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:09:35,009 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:09:35,009 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 471 transitions, 15316 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:35,009 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:09:35,009 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:09:35,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:09:37,365 INFO L129 PetriNetUnfolder]: 721/5803 cut-off events. [2021-04-29 04:09:37,365 INFO L130 PetriNetUnfolder]: For 203946/206829 co-relation queries the response was YES. [2021-04-29 04:09:37,420 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42178 conditions, 5803 events. 721/5803 cut-off events. For 203946/206829 co-relation queries the response was YES. Maximal size of possible extension queue 807. Compared 87990 event pairs, 517 based on Foata normal form. 42/5520 useless extension candidates. Maximal degree in co-relation 42061. Up to 1112 conditions per place. [2021-04-29 04:09:37,438 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 134 selfloop transitions, 330 changer transitions 3/481 dead transitions. [2021-04-29 04:09:37,438 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 481 transitions, 16362 flow [2021-04-29 04:09:37,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:09:37,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:09:37,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:09:37,439 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:09:37,439 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:09:37,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:09:37,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:09:37,440 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:09:37,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:37,441 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:37,441 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:37,441 INFO L185 Difference]: Start difference. First operand has 297 places, 471 transitions, 15316 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:09:37,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 481 transitions, 16362 flow [2021-04-29 04:09:39,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 481 transitions, 15722 flow, removed 9 selfloop flow, removed 7 redundant places. [2021-04-29 04:09:39,085 INFO L241 Difference]: Finished difference. Result has 299 places, 468 transitions, 15227 flow [2021-04-29 04:09:39,086 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=14686, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=471, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=330, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15227, PETRI_PLACES=299, PETRI_TRANSITIONS=468} [2021-04-29 04:09:39,086 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 248 predicate places. [2021-04-29 04:09:39,086 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:09:39,087 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 299 places, 468 transitions, 15227 flow [2021-04-29 04:09:39,087 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 299 places, 468 transitions, 15227 flow [2021-04-29 04:09:39,095 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 298 places, 468 transitions, 15227 flow [2021-04-29 04:09:39,935 INFO L129 PetriNetUnfolder]: 0/4147 cut-off events. [2021-04-29 04:09:39,935 INFO L130 PetriNetUnfolder]: For 138271/140641 co-relation queries the response was YES. [2021-04-29 04:09:39,936 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23163 conditions, 4147 events. 0/4147 cut-off events. For 138271/140641 co-relation queries the response was YES. Maximal size of possible extension queue 653. Compared 68758 event pairs, 0 based on Foata normal form. 7/3921 useless extension candidates. Maximal degree in co-relation 0. Up to 478 conditions per place. [2021-04-29 04:09:39,986 INFO L146 LiptonReduction]: Number of co-enabled transitions 2992 [2021-04-29 04:09:40,040 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:09:40,040 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:09:40,040 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 954 [2021-04-29 04:09:40,041 INFO L480 AbstractCegarLoop]: Abstraction has has 298 places, 468 transitions, 15227 flow [2021-04-29 04:09:40,041 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:40,041 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:09:40,041 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] [2021-04-29 04:09:40,042 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-04-29 04:09:40,042 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:09:40,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:09:40,042 INFO L82 PathProgramCache]: Analyzing trace with hash -2037380502, now seen corresponding path program 39 times [2021-04-29 04:09:40,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:09:40,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368220093] [2021-04-29 04:09:40,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:09:40,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:09:40,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:40,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:09:40,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:40,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:09:40,071 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:09:40,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:09:40,086 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:09:40,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:09:40,107 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:09:40,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:09:40,133 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:09:40,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:09:40,164 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:09:40,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:09:40,200 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:09:40,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:09:40,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:09:40,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368220093] [2021-04-29 04:09:40,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:09:40,240 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:09:40,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375265705] [2021-04-29 04:09:40,240 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:09:40,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:09:40,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:09:40,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:09:40,242 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:09:40,242 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 468 transitions, 15227 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:40,242 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:09:40,242 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:09:40,242 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:09:42,577 INFO L129 PetriNetUnfolder]: 721/5818 cut-off events. [2021-04-29 04:09:42,577 INFO L130 PetriNetUnfolder]: For 202323/205206 co-relation queries the response was YES. [2021-04-29 04:09:42,644 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42132 conditions, 5818 events. 721/5818 cut-off events. For 202323/205206 co-relation queries the response was YES. Maximal size of possible extension queue 809. Compared 88519 event pairs, 475 based on Foata normal form. 42/5532 useless extension candidates. Maximal degree in co-relation 42016. Up to 1112 conditions per place. [2021-04-29 04:09:42,662 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 145 selfloop transitions, 318 changer transitions 1/478 dead transitions. [2021-04-29 04:09:42,662 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 478 transitions, 16267 flow [2021-04-29 04:09:42,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:09:42,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:09:42,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:09:42,664 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:09:42,664 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:09:42,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:09:42,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:09:42,665 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:09:42,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:42,667 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:42,667 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:42,667 INFO L185 Difference]: Start difference. First operand has 298 places, 468 transitions, 15227 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:09:42,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 478 transitions, 16267 flow [2021-04-29 04:09:44,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 478 transitions, 15619 flow, removed 10 selfloop flow, removed 7 redundant places. [2021-04-29 04:09:44,159 INFO L241 Difference]: Finished difference. Result has 300 places, 467 transitions, 15182 flow [2021-04-29 04:09:44,159 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=14589, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=468, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=318, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15182, PETRI_PLACES=300, PETRI_TRANSITIONS=467} [2021-04-29 04:09:44,159 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 249 predicate places. [2021-04-29 04:09:44,160 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:09:44,160 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 300 places, 467 transitions, 15182 flow [2021-04-29 04:09:44,160 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 300 places, 467 transitions, 15182 flow [2021-04-29 04:09:44,167 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 299 places, 467 transitions, 15182 flow [2021-04-29 04:09:45,044 INFO L129 PetriNetUnfolder]: 0/4141 cut-off events. [2021-04-29 04:09:45,044 INFO L130 PetriNetUnfolder]: For 139540/141695 co-relation queries the response was YES. [2021-04-29 04:09:45,044 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23156 conditions, 4141 events. 0/4141 cut-off events. For 139540/141695 co-relation queries the response was YES. Maximal size of possible extension queue 655. Compared 68712 event pairs, 0 based on Foata normal form. 4/3910 useless extension candidates. Maximal degree in co-relation 0. Up to 477 conditions per place. [2021-04-29 04:09:45,099 INFO L146 LiptonReduction]: Number of co-enabled transitions 2986 [2021-04-29 04:09:45,161 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:09:45,161 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:09:45,161 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1001 [2021-04-29 04:09:45,162 INFO L480 AbstractCegarLoop]: Abstraction has has 299 places, 467 transitions, 15182 flow [2021-04-29 04:09:45,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:45,162 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:09:45,162 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] [2021-04-29 04:09:45,162 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-04-29 04:09:45,162 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:09:45,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:09:45,163 INFO L82 PathProgramCache]: Analyzing trace with hash 344109932, now seen corresponding path program 40 times [2021-04-29 04:09:45,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:09:45,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251749851] [2021-04-29 04:09:45,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:09:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:09:45,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:45,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:09:45,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:45,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:09:45,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:45,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:09:45,205 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:09:45,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:09:45,223 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:09:45,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:09:45,249 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-04-29 04:09:45,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:09:45,297 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:09:45,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:09:45,339 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:09:45,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:09:45,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:09:45,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251749851] [2021-04-29 04:09:45,378 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:09:45,378 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:09:45,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140800293] [2021-04-29 04:09:45,378 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:09:45,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:09:45,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:09:45,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:09:45,380 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:09:45,380 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 467 transitions, 15182 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:45,380 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:09:45,380 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:09:45,381 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:09:48,513 INFO L129 PetriNetUnfolder]: 783/6804 cut-off events. [2021-04-29 04:09:48,513 INFO L130 PetriNetUnfolder]: For 252675/255558 co-relation queries the response was YES. [2021-04-29 04:09:48,572 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50884 conditions, 6804 events. 783/6804 cut-off events. For 252675/255558 co-relation queries the response was YES. Maximal size of possible extension queue 972. Compared 106504 event pairs, 252 based on Foata normal form. 1/6465 useless extension candidates. Maximal degree in co-relation 50769. Up to 1895 conditions per place. [2021-04-29 04:09:48,594 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 529 selfloop transitions, 239 changer transitions 17/799 dead transitions. [2021-04-29 04:09:48,594 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 799 transitions, 27521 flow [2021-04-29 04:09:48,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:09:48,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:09:48,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:09:48,595 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:09:48,595 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:09:48,595 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:09:48,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:09:48,596 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:09:48,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:48,599 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:48,599 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:48,599 INFO L185 Difference]: Start difference. First operand has 299 places, 467 transitions, 15182 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:09:48,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 799 transitions, 27521 flow [2021-04-29 04:09:50,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 799 transitions, 26533 flow, removed 9 selfloop flow, removed 6 redundant places. [2021-04-29 04:09:50,491 INFO L241 Difference]: Finished difference. Result has 308 places, 586 transitions, 19440 flow [2021-04-29 04:09:50,492 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=14558, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=467, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=120, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=19440, PETRI_PLACES=308, PETRI_TRANSITIONS=586} [2021-04-29 04:09:50,492 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 257 predicate places. [2021-04-29 04:09:50,492 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:09:50,492 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 308 places, 586 transitions, 19440 flow [2021-04-29 04:09:50,492 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 308 places, 586 transitions, 19440 flow [2021-04-29 04:09:50,500 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 307 places, 586 transitions, 19440 flow [2021-04-29 04:09:51,810 INFO L129 PetriNetUnfolder]: 0/5313 cut-off events. [2021-04-29 04:09:51,811 INFO L130 PetriNetUnfolder]: For 187290/190066 co-relation queries the response was YES. [2021-04-29 04:09:51,811 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30470 conditions, 5313 events. 0/5313 cut-off events. For 187290/190066 co-relation queries the response was YES. Maximal size of possible extension queue 832. Compared 91804 event pairs, 0 based on Foata normal form. 44/5105 useless extension candidates. Maximal degree in co-relation 0. Up to 605 conditions per place. [2021-04-29 04:09:51,884 INFO L146 LiptonReduction]: Number of co-enabled transitions 3410 [2021-04-29 04:09:51,975 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:09:51,975 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:09:51,975 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1483 [2021-04-29 04:09:51,975 INFO L480 AbstractCegarLoop]: Abstraction has has 307 places, 586 transitions, 19440 flow [2021-04-29 04:09:51,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:51,976 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:09:51,976 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] [2021-04-29 04:09:51,976 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-04-29 04:09:51,976 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:09:51,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:09:51,976 INFO L82 PathProgramCache]: Analyzing trace with hash 2352352, now seen corresponding path program 41 times [2021-04-29 04:09:51,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:09:51,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501502221] [2021-04-29 04:09:51,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:09:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:09:52,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:52,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:09:52,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:52,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:09:52,008 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:09:52,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:09:52,020 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:09:52,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:09:52,036 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:09:52,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:09:52,059 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-04-29 04:09:52,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 04:09:52,107 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:09:52,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:09:52,147 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:09:52,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:09:52,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:09:52,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501502221] [2021-04-29 04:09:52,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:09:52,185 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:09:52,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7524177] [2021-04-29 04:09:52,186 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:09:52,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:09:52,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:09:52,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:09:52,187 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:09:52,188 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 586 transitions, 19440 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:52,188 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:09:52,188 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:09:52,188 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:09:56,091 INFO L129 PetriNetUnfolder]: 748/7390 cut-off events. [2021-04-29 04:09:56,091 INFO L130 PetriNetUnfolder]: For 274641/277652 co-relation queries the response was YES. [2021-04-29 04:09:56,154 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53499 conditions, 7390 events. 748/7390 cut-off events. For 274641/277652 co-relation queries the response was YES. Maximal size of possible extension queue 1070. Compared 119864 event pairs, 525 based on Foata normal form. 30/7017 useless extension candidates. Maximal degree in co-relation 53378. Up to 1346 conditions per place. [2021-04-29 04:09:56,175 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 291 selfloop transitions, 347 changer transitions 2/654 dead transitions. [2021-04-29 04:09:56,175 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 654 transitions, 22673 flow [2021-04-29 04:09:56,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:09:56,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:09:56,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:09:56,177 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:09:56,177 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:09:56,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:09:56,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:09:56,178 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:09:56,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:56,180 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:56,180 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:56,180 INFO L185 Difference]: Start difference. First operand has 307 places, 586 transitions, 19440 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:09:56,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 654 transitions, 22673 flow [2021-04-29 04:09:58,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 654 transitions, 22302 flow, removed 157 selfloop flow, removed 3 redundant places. [2021-04-29 04:09:58,375 INFO L241 Difference]: Finished difference. Result has 317 places, 608 transitions, 20705 flow [2021-04-29 04:09:58,376 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=19148, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=586, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=325, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=20705, PETRI_PLACES=317, PETRI_TRANSITIONS=608} [2021-04-29 04:09:58,376 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 266 predicate places. [2021-04-29 04:09:58,376 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:09:58,376 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 317 places, 608 transitions, 20705 flow [2021-04-29 04:09:58,376 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 317 places, 608 transitions, 20705 flow [2021-04-29 04:09:58,385 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 316 places, 608 transitions, 20705 flow [2021-04-29 04:09:59,777 INFO L129 PetriNetUnfolder]: 0/5663 cut-off events. [2021-04-29 04:09:59,777 INFO L130 PetriNetUnfolder]: For 208414/210373 co-relation queries the response was YES. [2021-04-29 04:09:59,777 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33324 conditions, 5663 events. 0/5663 cut-off events. For 208414/210373 co-relation queries the response was YES. Maximal size of possible extension queue 910. Compared 99165 event pairs, 0 based on Foata normal form. 28/5370 useless extension candidates. Maximal degree in co-relation 0. Up to 650 conditions per place. [2021-04-29 04:09:59,856 INFO L146 LiptonReduction]: Number of co-enabled transitions 3576 [2021-04-29 04:09:59,951 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:09:59,951 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:09:59,952 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1576 [2021-04-29 04:09:59,952 INFO L480 AbstractCegarLoop]: Abstraction has has 316 places, 608 transitions, 20705 flow [2021-04-29 04:09:59,952 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:59,952 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:09:59,953 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] [2021-04-29 04:09:59,953 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-04-29 04:09:59,953 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:09:59,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:09:59,953 INFO L82 PathProgramCache]: Analyzing trace with hash 797123706, now seen corresponding path program 42 times [2021-04-29 04:09:59,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:09:59,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113702102] [2021-04-29 04:09:59,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:09:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:09:59,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:59,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:09:59,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:59,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:09:59,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:59,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:09:59,988 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:09:59,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:10:00,011 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:10:00,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:10:00,036 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-04-29 04:10:00,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:10:00,084 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:10:00,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:10:00,122 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:10:00,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:10:00,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:10:00,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113702102] [2021-04-29 04:10:00,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:10:00,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:10:00,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389177655] [2021-04-29 04:10:00,169 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:10:00,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:10:00,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:10:00,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:10:00,170 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:10:00,170 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 608 transitions, 20705 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:00,171 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:10:00,171 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:10:00,171 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:10:04,546 INFO L129 PetriNetUnfolder]: 673/8386 cut-off events. [2021-04-29 04:10:04,547 INFO L130 PetriNetUnfolder]: For 326498/329422 co-relation queries the response was YES. [2021-04-29 04:10:04,644 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61546 conditions, 8386 events. 673/8386 cut-off events. For 326498/329422 co-relation queries the response was YES. Maximal size of possible extension queue 1273. Compared 141678 event pairs, 338 based on Foata normal form. 19/7985 useless extension candidates. Maximal degree in co-relation 61422. Up to 1654 conditions per place. [2021-04-29 04:10:04,669 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 677 selfloop transitions, 227 changer transitions 15/933 dead transitions. [2021-04-29 04:10:04,669 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 324 places, 933 transitions, 33830 flow [2021-04-29 04:10:04,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:10:04,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:10:04,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:10:04,670 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:10:04,670 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:10:04,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:10:04,670 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:10:04,671 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:10:04,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:04,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:04,672 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:04,672 INFO L185 Difference]: Start difference. First operand has 316 places, 608 transitions, 20705 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:10:04,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 324 places, 933 transitions, 33830 flow [2021-04-29 04:10:07,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 933 transitions, 33284 flow, removed 83 selfloop flow, removed 4 redundant places. [2021-04-29 04:10:07,784 INFO L241 Difference]: Finished difference. Result has 327 places, 726 transitions, 25250 flow [2021-04-29 04:10:07,784 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=20291, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=608, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=109, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=25250, PETRI_PLACES=327, PETRI_TRANSITIONS=726} [2021-04-29 04:10:07,784 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 276 predicate places. [2021-04-29 04:10:07,784 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:10:07,785 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 327 places, 726 transitions, 25250 flow [2021-04-29 04:10:07,785 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 327 places, 726 transitions, 25250 flow [2021-04-29 04:10:07,795 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 326 places, 726 transitions, 25250 flow [2021-04-29 04:10:09,658 INFO L129 PetriNetUnfolder]: 0/7116 cut-off events. [2021-04-29 04:10:09,658 INFO L130 PetriNetUnfolder]: For 272153/274421 co-relation queries the response was YES. [2021-04-29 04:10:09,658 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43405 conditions, 7116 events. 0/7116 cut-off events. For 272153/274421 co-relation queries the response was YES. Maximal size of possible extension queue 1164. Compared 129105 event pairs, 0 based on Foata normal form. 4/6787 useless extension candidates. Maximal degree in co-relation 0. Up to 810 conditions per place. [2021-04-29 04:10:09,755 INFO L146 LiptonReduction]: Number of co-enabled transitions 3946 [2021-04-29 04:10:10,097 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:10:10,097 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:10:10,097 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2313 [2021-04-29 04:10:10,098 INFO L480 AbstractCegarLoop]: Abstraction has has 326 places, 726 transitions, 25250 flow [2021-04-29 04:10:10,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:10,098 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:10:10,098 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] [2021-04-29 04:10:10,098 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-04-29 04:10:10,098 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:10:10,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:10:10,099 INFO L82 PathProgramCache]: Analyzing trace with hash 2084614740, now seen corresponding path program 43 times [2021-04-29 04:10:10,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:10:10,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135864918] [2021-04-29 04:10:10,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:10:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:10:10,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:10,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:10:10,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:10,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:10:10,129 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:10:10,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:10:10,141 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:10:10,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:10:10,158 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:10:10,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:10:10,179 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-04-29 04:10:10,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 04:10:10,241 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:10:10,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:10:10,285 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:10:10,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:10:10,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:10:10,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135864918] [2021-04-29 04:10:10,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:10:10,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:10:10,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053556366] [2021-04-29 04:10:10,330 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:10:10,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:10:10,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:10:10,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:10:10,332 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:10:10,333 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 726 transitions, 25250 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:10,333 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:10:10,333 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:10:10,333 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:10:15,052 INFO L129 PetriNetUnfolder]: 668/8476 cut-off events. [2021-04-29 04:10:15,052 INFO L130 PetriNetUnfolder]: For 350394/354161 co-relation queries the response was YES. [2021-04-29 04:10:15,149 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63910 conditions, 8476 events. 668/8476 cut-off events. For 350394/354161 co-relation queries the response was YES. Maximal size of possible extension queue 1281. Compared 143969 event pairs, 615 based on Foata normal form. 43/8044 useless extension candidates. Maximal degree in co-relation 63781. Up to 1542 conditions per place. [2021-04-29 04:10:15,174 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 271 selfloop transitions, 496 changer transitions 3/784 dead transitions. [2021-04-29 04:10:15,174 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 784 transitions, 28611 flow [2021-04-29 04:10:15,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:10:15,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:10:15,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:10:15,175 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:10:15,176 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:10:15,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:10:15,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:10:15,176 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:10:15,176 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:15,177 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:15,177 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:15,177 INFO L185 Difference]: Start difference. First operand has 326 places, 726 transitions, 25250 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:10:15,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 784 transitions, 28611 flow [2021-04-29 04:10:19,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 784 transitions, 28096 flow, removed 215 selfloop flow, removed 3 redundant places. [2021-04-29 04:10:19,102 INFO L241 Difference]: Finished difference. Result has 336 places, 750 transitions, 26882 flow [2021-04-29 04:10:19,103 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=24775, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=726, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=472, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=26882, PETRI_PLACES=336, PETRI_TRANSITIONS=750} [2021-04-29 04:10:19,103 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 285 predicate places. [2021-04-29 04:10:19,103 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:10:19,103 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 336 places, 750 transitions, 26882 flow [2021-04-29 04:10:19,104 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 336 places, 750 transitions, 26882 flow [2021-04-29 04:10:19,116 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 335 places, 750 transitions, 26882 flow [2021-04-29 04:10:21,500 INFO L129 PetriNetUnfolder]: 0/7151 cut-off events. [2021-04-29 04:10:21,500 INFO L130 PetriNetUnfolder]: For 290669/293081 co-relation queries the response was YES. [2021-04-29 04:10:21,500 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44751 conditions, 7151 events. 0/7151 cut-off events. For 290669/293081 co-relation queries the response was YES. Maximal size of possible extension queue 1164. Compared 129880 event pairs, 0 based on Foata normal form. 5/6848 useless extension candidates. Maximal degree in co-relation 0. Up to 815 conditions per place. [2021-04-29 04:10:21,694 INFO L146 LiptonReduction]: Number of co-enabled transitions 4172 [2021-04-29 04:10:21,817 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:10:21,817 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:10:21,817 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2714 [2021-04-29 04:10:21,818 INFO L480 AbstractCegarLoop]: Abstraction has has 335 places, 750 transitions, 26882 flow [2021-04-29 04:10:21,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:21,818 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:10:21,818 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] [2021-04-29 04:10:21,818 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-04-29 04:10:21,818 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:10:21,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:10:21,819 INFO L82 PathProgramCache]: Analyzing trace with hash 1141130946, now seen corresponding path program 44 times [2021-04-29 04:10:21,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:10:21,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575116822] [2021-04-29 04:10:21,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:10:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:10:21,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:21,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:10:21,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:21,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:10:21,843 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:10:21,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:10:21,854 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:10:21,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:10:21,869 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:10:21,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:10:21,895 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-04-29 04:10:21,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:10:21,955 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:10:21,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:10:22,003 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:10:22,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:10:22,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:10:22,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575116822] [2021-04-29 04:10:22,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:10:22,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:10:22,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305815816] [2021-04-29 04:10:22,048 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:10:22,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:10:22,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:10:22,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:10:22,050 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:10:22,051 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 750 transitions, 26882 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:22,051 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:10:22,051 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:10:22,051 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:10:27,714 INFO L129 PetriNetUnfolder]: 636/8713 cut-off events. [2021-04-29 04:10:27,714 INFO L130 PetriNetUnfolder]: For 382195/386027 co-relation queries the response was YES. [2021-04-29 04:10:27,804 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66824 conditions, 8713 events. 636/8713 cut-off events. For 382195/386027 co-relation queries the response was YES. Maximal size of possible extension queue 1333. Compared 149506 event pairs, 540 based on Foata normal form. 36/8314 useless extension candidates. Maximal degree in co-relation 66692. Up to 1735 conditions per place. [2021-04-29 04:10:27,831 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 465 selfloop transitions, 426 changer transitions 15/920 dead transitions. [2021-04-29 04:10:27,831 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 920 transitions, 35108 flow [2021-04-29 04:10:27,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:10:27,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:10:27,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:10:27,832 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:10:27,832 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:10:27,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:10:27,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:10:27,833 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:10:27,833 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:27,834 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:27,834 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:27,834 INFO L185 Difference]: Start difference. First operand has 335 places, 750 transitions, 26882 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:10:27,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 920 transitions, 35108 flow [2021-04-29 04:10:31,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 920 transitions, 34086 flow, removed 124 selfloop flow, removed 5 redundant places. [2021-04-29 04:10:31,841 INFO L241 Difference]: Finished difference. Result has 344 places, 795 transitions, 29117 flow [2021-04-29 04:10:31,842 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=25999, PETRI_DIFFERENCE_MINUEND_PLACES=330, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=750, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=381, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=324, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=29117, PETRI_PLACES=344, PETRI_TRANSITIONS=795} [2021-04-29 04:10:31,842 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 293 predicate places. [2021-04-29 04:10:31,842 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:10:31,842 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 344 places, 795 transitions, 29117 flow [2021-04-29 04:10:31,842 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 344 places, 795 transitions, 29117 flow [2021-04-29 04:10:31,855 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 343 places, 795 transitions, 29117 flow [2021-04-29 04:10:34,440 INFO L129 PetriNetUnfolder]: 0/7463 cut-off events. [2021-04-29 04:10:34,440 INFO L130 PetriNetUnfolder]: For 314503/317440 co-relation queries the response was YES. [2021-04-29 04:10:34,440 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47776 conditions, 7463 events. 0/7463 cut-off events. For 314503/317440 co-relation queries the response was YES. Maximal size of possible extension queue 1223. Compared 136381 event pairs, 0 based on Foata normal form. 4/7034 useless extension candidates. Maximal degree in co-relation 0. Up to 848 conditions per place. [2021-04-29 04:10:34,549 INFO L146 LiptonReduction]: Number of co-enabled transitions 4422 [2021-04-29 04:10:34,696 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:10:34,696 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:10:34,696 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2854 [2021-04-29 04:10:34,697 INFO L480 AbstractCegarLoop]: Abstraction has has 343 places, 795 transitions, 29117 flow [2021-04-29 04:10:34,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:34,697 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:10:34,697 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] [2021-04-29 04:10:34,697 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-04-29 04:10:34,697 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:10:34,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:10:34,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1279354468, now seen corresponding path program 45 times [2021-04-29 04:10:34,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:10:34,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908030274] [2021-04-29 04:10:34,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:10:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:10:34,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:34,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:10:34,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:34,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:10:34,728 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:10:34,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:10:34,740 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:10:34,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:10:34,761 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:10:34,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:10:34,805 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-04-29 04:10:34,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 04:10:34,859 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:10:34,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:10:34,903 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:10:34,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:10:34,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:10:34,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908030274] [2021-04-29 04:10:34,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:10:34,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:10:34,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526830948] [2021-04-29 04:10:34,950 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:10:34,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:10:34,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:10:34,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:10:34,951 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:10:34,952 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 795 transitions, 29117 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:34,952 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:10:34,952 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:10:34,952 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:10:40,778 INFO L129 PetriNetUnfolder]: 633/8686 cut-off events. [2021-04-29 04:10:40,779 INFO L130 PetriNetUnfolder]: For 398764/404323 co-relation queries the response was YES. [2021-04-29 04:10:40,873 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67717 conditions, 8686 events. 633/8686 cut-off events. For 398764/404323 co-relation queries the response was YES. Maximal size of possible extension queue 1329. Compared 149107 event pairs, 624 based on Foata normal form. 53/8269 useless extension candidates. Maximal degree in co-relation 67581. Up to 1541 conditions per place. [2021-04-29 04:10:40,900 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 221 selfloop transitions, 583 changer transitions 2/820 dead transitions. [2021-04-29 04:10:40,901 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 820 transitions, 31486 flow [2021-04-29 04:10:40,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:10:40,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:10:40,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:10:40,902 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:10:40,902 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:10:40,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:10:40,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:10:40,903 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:10:40,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:40,904 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:40,904 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:40,905 INFO L185 Difference]: Start difference. First operand has 343 places, 795 transitions, 29117 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:10:40,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 820 transitions, 31486 flow [2021-04-29 04:10:45,014 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 820 transitions, 30660 flow, removed 216 selfloop flow, removed 7 redundant places. [2021-04-29 04:10:45,045 INFO L241 Difference]: Finished difference. Result has 349 places, 804 transitions, 30284 flow [2021-04-29 04:10:45,046 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=28329, PETRI_DIFFERENCE_MINUEND_PLACES=336, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=795, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=574, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=30284, PETRI_PLACES=349, PETRI_TRANSITIONS=804} [2021-04-29 04:10:45,046 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 298 predicate places. [2021-04-29 04:10:45,046 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:10:45,046 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 349 places, 804 transitions, 30284 flow [2021-04-29 04:10:45,046 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 349 places, 804 transitions, 30284 flow [2021-04-29 04:10:45,061 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 348 places, 804 transitions, 30284 flow [2021-04-29 04:10:47,509 INFO L129 PetriNetUnfolder]: 0/7474 cut-off events. [2021-04-29 04:10:47,509 INFO L130 PetriNetUnfolder]: For 326926/329978 co-relation queries the response was YES. [2021-04-29 04:10:47,509 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48542 conditions, 7474 events. 0/7474 cut-off events. For 326926/329978 co-relation queries the response was YES. Maximal size of possible extension queue 1227. Compared 136589 event pairs, 0 based on Foata normal form. 5/7042 useless extension candidates. Maximal degree in co-relation 0. Up to 850 conditions per place. [2021-04-29 04:10:47,598 INFO L146 LiptonReduction]: Number of co-enabled transitions 4532 [2021-04-29 04:10:47,739 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:10:47,739 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:10:47,739 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2693 [2021-04-29 04:10:47,740 INFO L480 AbstractCegarLoop]: Abstraction has has 348 places, 804 transitions, 30284 flow [2021-04-29 04:10:47,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:47,740 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:10:47,740 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] [2021-04-29 04:10:47,740 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-04-29 04:10:47,741 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:10:47,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:10:47,741 INFO L82 PathProgramCache]: Analyzing trace with hash -299570756, now seen corresponding path program 46 times [2021-04-29 04:10:47,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:10:47,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148017004] [2021-04-29 04:10:47,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:10:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:10:47,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:47,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:10:47,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:47,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:10:47,763 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:10:47,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:10:47,779 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:10:47,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:10:47,793 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:10:47,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:10:47,816 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-04-29 04:10:47,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:10:47,862 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:10:47,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:10:47,900 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:10:47,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:10:47,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:10:47,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148017004] [2021-04-29 04:10:47,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:10:47,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:10:47,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932238704] [2021-04-29 04:10:47,939 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:10:47,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:10:47,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:10:47,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:10:47,941 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:10:47,941 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 348 places, 804 transitions, 30284 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:47,941 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:10:47,941 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:10:47,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:10:54,043 INFO L129 PetriNetUnfolder]: 624/8724 cut-off events. [2021-04-29 04:10:54,043 INFO L130 PetriNetUnfolder]: For 404623/410186 co-relation queries the response was YES. [2021-04-29 04:10:54,120 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68390 conditions, 8724 events. 624/8724 cut-off events. For 404623/410186 co-relation queries the response was YES. Maximal size of possible extension queue 1339. Compared 150003 event pairs, 612 based on Foata normal form. 55/8334 useless extension candidates. Maximal degree in co-relation 68254. Up to 1541 conditions per place. [2021-04-29 04:10:54,145 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 320 selfloop transitions, 520 changer transitions 1/855 dead transitions. [2021-04-29 04:10:54,145 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 855 transitions, 33810 flow [2021-04-29 04:10:54,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:10:54,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:10:54,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:10:54,146 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:10:54,146 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:10:54,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:10:54,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:10:54,147 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:10:54,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:54,149 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:54,149 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:54,149 INFO L185 Difference]: Start difference. First operand has 348 places, 804 transitions, 30284 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:10:54,150 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 855 transitions, 33810 flow [2021-04-29 04:10:58,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 855 transitions, 33324 flow, removed 46 selfloop flow, removed 5 redundant places. [2021-04-29 04:10:58,442 INFO L241 Difference]: Finished difference. Result has 356 places, 822 transitions, 31923 flow [2021-04-29 04:10:58,443 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=29834, PETRI_DIFFERENCE_MINUEND_PLACES=343, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=804, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=502, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=31923, PETRI_PLACES=356, PETRI_TRANSITIONS=822} [2021-04-29 04:10:58,443 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 305 predicate places. [2021-04-29 04:10:58,443 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:10:58,443 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 356 places, 822 transitions, 31923 flow [2021-04-29 04:10:58,443 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 356 places, 822 transitions, 31923 flow [2021-04-29 04:10:58,457 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 355 places, 822 transitions, 31923 flow [2021-04-29 04:11:00,840 INFO L129 PetriNetUnfolder]: 0/7541 cut-off events. [2021-04-29 04:11:00,841 INFO L130 PetriNetUnfolder]: For 343081/346583 co-relation queries the response was YES. [2021-04-29 04:11:00,841 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50059 conditions, 7541 events. 0/7541 cut-off events. For 343081/346583 co-relation queries the response was YES. Maximal size of possible extension queue 1245. Compared 138134 event pairs, 0 based on Foata normal form. 4/7105 useless extension candidates. Maximal degree in co-relation 0. Up to 859 conditions per place. [2021-04-29 04:11:00,943 INFO L146 LiptonReduction]: Number of co-enabled transitions 4676 [2021-04-29 04:11:01,353 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:11:01,353 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:11:01,353 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2910 [2021-04-29 04:11:01,354 INFO L480 AbstractCegarLoop]: Abstraction has has 355 places, 822 transitions, 31923 flow [2021-04-29 04:11:01,354 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:01,354 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:11:01,354 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] [2021-04-29 04:11:01,354 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-04-29 04:11:01,354 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:11:01,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:11:01,355 INFO L82 PathProgramCache]: Analyzing trace with hash -90867936, now seen corresponding path program 47 times [2021-04-29 04:11:01,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:11:01,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696827824] [2021-04-29 04:11:01,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:11:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:11:01,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:01,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:11:01,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:01,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:11:01,383 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:11:01,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:11:01,394 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:11:01,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:11:01,415 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:11:01,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:11:01,442 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:11:01,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:11:01,479 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:11:01,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:11:01,529 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:11:01,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:11:01,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:11:01,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696827824] [2021-04-29 04:11:01,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:11:01,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:11:01,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367330304] [2021-04-29 04:11:01,573 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:11:01,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:11:01,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:11:01,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:11:01,575 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:11:01,576 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 822 transitions, 31923 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:01,576 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:11:01,576 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:11:01,576 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:11:07,586 INFO L129 PetriNetUnfolder]: 612/8782 cut-off events. [2021-04-29 04:11:07,586 INFO L130 PetriNetUnfolder]: For 423021/430332 co-relation queries the response was YES. [2021-04-29 04:11:07,671 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69689 conditions, 8782 events. 612/8782 cut-off events. For 423021/430332 co-relation queries the response was YES. Maximal size of possible extension queue 1352. Compared 151408 event pairs, 612 based on Foata normal form. 67/8402 useless extension candidates. Maximal degree in co-relation 69551. Up to 1541 conditions per place. [2021-04-29 04:11:07,697 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 306 selfloop transitions, 528 changer transitions 1/849 dead transitions. [2021-04-29 04:11:07,698 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 849 transitions, 34459 flow [2021-04-29 04:11:07,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:11:07,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:11:07,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:11:07,699 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:11:07,700 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:11:07,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:11:07,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:11:07,700 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:11:07,701 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:07,702 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:07,702 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:07,702 INFO L185 Difference]: Start difference. First operand has 355 places, 822 transitions, 31923 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:11:07,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 849 transitions, 34459 flow [2021-04-29 04:11:12,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 849 transitions, 33529 flow, removed 84 selfloop flow, removed 4 redundant places. [2021-04-29 04:11:12,264 INFO L241 Difference]: Finished difference. Result has 363 places, 829 transitions, 32444 flow [2021-04-29 04:11:12,265 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=31033, PETRI_DIFFERENCE_MINUEND_PLACES=351, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=822, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=521, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=32444, PETRI_PLACES=363, PETRI_TRANSITIONS=829} [2021-04-29 04:11:12,265 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 312 predicate places. [2021-04-29 04:11:12,265 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:11:12,265 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 363 places, 829 transitions, 32444 flow [2021-04-29 04:11:12,266 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 363 places, 829 transitions, 32444 flow [2021-04-29 04:11:12,279 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 362 places, 829 transitions, 32444 flow [2021-04-29 04:11:14,688 INFO L129 PetriNetUnfolder]: 0/7623 cut-off events. [2021-04-29 04:11:14,688 INFO L130 PetriNetUnfolder]: For 353417/356904 co-relation queries the response was YES. [2021-04-29 04:11:14,688 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51167 conditions, 7623 events. 0/7623 cut-off events. For 353417/356904 co-relation queries the response was YES. Maximal size of possible extension queue 1259. Compared 139884 event pairs, 0 based on Foata normal form. 3/7179 useless extension candidates. Maximal degree in co-relation 0. Up to 871 conditions per place. [2021-04-29 04:11:14,791 INFO L146 LiptonReduction]: Number of co-enabled transitions 4734 [2021-04-29 04:11:15,217 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:11:15,217 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:11:15,217 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2952 [2021-04-29 04:11:15,218 INFO L480 AbstractCegarLoop]: Abstraction has has 362 places, 829 transitions, 32444 flow [2021-04-29 04:11:15,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:15,218 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:11:15,218 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] [2021-04-29 04:11:15,218 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-04-29 04:11:15,218 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:11:15,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:11:15,218 INFO L82 PathProgramCache]: Analyzing trace with hash -759143782, now seen corresponding path program 48 times [2021-04-29 04:11:15,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:11:15,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514709504] [2021-04-29 04:11:15,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:11:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:11:15,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:15,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:11:15,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:15,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:11:15,249 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:11:15,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:11:15,260 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:11:15,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:11:15,277 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:11:15,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:11:15,313 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-04-29 04:11:15,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:11:15,359 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:11:15,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:11:15,406 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:11:15,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:11:15,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:11:15,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514709504] [2021-04-29 04:11:15,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:11:15,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:11:15,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222457339] [2021-04-29 04:11:15,448 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:11:15,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:11:15,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:11:15,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:11:15,450 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:11:15,450 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 829 transitions, 32444 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:15,450 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:11:15,450 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:11:15,451 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:11:21,802 INFO L129 PetriNetUnfolder]: 612/8775 cut-off events. [2021-04-29 04:11:21,802 INFO L130 PetriNetUnfolder]: For 424431/431742 co-relation queries the response was YES. [2021-04-29 04:11:21,877 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70117 conditions, 8775 events. 612/8775 cut-off events. For 424431/431742 co-relation queries the response was YES. Maximal size of possible extension queue 1351. Compared 151354 event pairs, 612 based on Foata normal form. 67/8395 useless extension candidates. Maximal degree in co-relation 69976. Up to 1541 conditions per place. [2021-04-29 04:11:21,900 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 235 selfloop transitions, 595 changer transitions 1/845 dead transitions. [2021-04-29 04:11:21,901 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 370 places, 845 transitions, 34570 flow [2021-04-29 04:11:21,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:11:21,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:11:21,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:11:21,902 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:11:21,902 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:11:21,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:11:21,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:11:21,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:11:21,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:21,904 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:21,904 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:21,904 INFO L185 Difference]: Start difference. First operand has 362 places, 829 transitions, 32444 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:11:21,904 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 370 places, 845 transitions, 34570 flow [2021-04-29 04:11:26,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 365 places, 845 transitions, 33570 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-04-29 04:11:26,747 INFO L241 Difference]: Finished difference. Result has 369 places, 836 transitions, 33105 flow [2021-04-29 04:11:26,748 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=31457, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=829, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=588, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=33105, PETRI_PLACES=369, PETRI_TRANSITIONS=836} [2021-04-29 04:11:26,748 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 318 predicate places. [2021-04-29 04:11:26,748 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:11:26,749 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 369 places, 836 transitions, 33105 flow [2021-04-29 04:11:26,749 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 369 places, 836 transitions, 33105 flow [2021-04-29 04:11:26,762 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 368 places, 836 transitions, 33105 flow [2021-04-29 04:11:29,235 INFO L129 PetriNetUnfolder]: 0/7616 cut-off events. [2021-04-29 04:11:29,235 INFO L130 PetriNetUnfolder]: For 353911/357398 co-relation queries the response was YES. [2021-04-29 04:11:29,235 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51418 conditions, 7616 events. 0/7616 cut-off events. For 353911/357398 co-relation queries the response was YES. Maximal size of possible extension queue 1258. Compared 139664 event pairs, 0 based on Foata normal form. 3/7173 useless extension candidates. Maximal degree in co-relation 0. Up to 870 conditions per place. [2021-04-29 04:11:29,330 INFO L146 LiptonReduction]: Number of co-enabled transitions 4804 [2021-04-29 04:11:29,484 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:11:29,484 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:11:29,484 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2736 [2021-04-29 04:11:29,485 INFO L480 AbstractCegarLoop]: Abstraction has has 368 places, 836 transitions, 33105 flow [2021-04-29 04:11:29,485 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:29,485 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:11:29,485 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] [2021-04-29 04:11:29,485 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-04-29 04:11:29,485 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:11:29,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:11:29,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1354852394, now seen corresponding path program 49 times [2021-04-29 04:11:29,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:11:29,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631839112] [2021-04-29 04:11:29,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:11:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:11:29,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:29,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:11:29,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:29,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:11:29,516 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:11:29,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:11:29,527 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:11:29,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:11:29,544 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:11:29,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:11:29,582 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-04-29 04:11:29,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 04:11:29,639 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-04-29 04:11:29,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 04:11:29,683 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:11:29,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:11:29,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:11:29,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631839112] [2021-04-29 04:11:29,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:11:29,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:11:29,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869809438] [2021-04-29 04:11:29,726 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:11:29,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:11:29,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:11:29,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:11:29,727 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:11:29,727 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 836 transitions, 33105 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:29,728 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:11:29,728 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:11:29,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:11:35,971 INFO L129 PetriNetUnfolder]: 612/8768 cut-off events. [2021-04-29 04:11:35,972 INFO L130 PetriNetUnfolder]: For 428724/436035 co-relation queries the response was YES. [2021-04-29 04:11:36,091 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70366 conditions, 8768 events. 612/8768 cut-off events. For 428724/436035 co-relation queries the response was YES. Maximal size of possible extension queue 1350. Compared 151099 event pairs, 612 based on Foata normal form. 67/8388 useless extension candidates. Maximal degree in co-relation 70222. Up to 1541 conditions per place. [2021-04-29 04:11:36,116 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 226 selfloop transitions, 599 changer transitions 2/841 dead transitions. [2021-04-29 04:11:36,116 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 841 transitions, 34811 flow [2021-04-29 04:11:36,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:11:36,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:11:36,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 673 transitions. [2021-04-29 04:11:36,118 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.859514687100894 [2021-04-29 04:11:36,118 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 673 transitions. [2021-04-29 04:11:36,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 673 transitions. [2021-04-29 04:11:36,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:11:36,118 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 673 transitions. [2021-04-29 04:11:36,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.77777777777777) internal successors, (673), 9 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:36,119 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:36,120 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:36,120 INFO L185 Difference]: Start difference. First operand has 368 places, 836 transitions, 33105 flow. Second operand 9 states and 673 transitions. [2021-04-29 04:11:36,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 841 transitions, 34811 flow [2021-04-29 04:11:41,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 841 transitions, 33725 flow, removed 25 selfloop flow, removed 5 redundant places. [2021-04-29 04:11:41,198 INFO L241 Difference]: Finished difference. Result has 373 places, 835 transitions, 33209 flow [2021-04-29 04:11:41,198 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=32027, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=836, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=599, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=33209, PETRI_PLACES=373, PETRI_TRANSITIONS=835} [2021-04-29 04:11:41,199 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 322 predicate places. [2021-04-29 04:11:41,199 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:11:41,199 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 373 places, 835 transitions, 33209 flow [2021-04-29 04:11:41,199 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 373 places, 835 transitions, 33209 flow [2021-04-29 04:11:41,212 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 371 places, 835 transitions, 33209 flow [2021-04-29 04:11:43,868 INFO L129 PetriNetUnfolder]: 0/7608 cut-off events. [2021-04-29 04:11:43,868 INFO L130 PetriNetUnfolder]: For 355172/357957 co-relation queries the response was YES. [2021-04-29 04:11:43,868 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51518 conditions, 7608 events. 0/7608 cut-off events. For 355172/357957 co-relation queries the response was YES. Maximal size of possible extension queue 1256. Compared 139500 event pairs, 0 based on Foata normal form. 1/7162 useless extension candidates. Maximal degree in co-relation 0. Up to 869 conditions per place. [2021-04-29 04:11:43,955 INFO L146 LiptonReduction]: Number of co-enabled transitions 4792 [2021-04-29 04:11:44,115 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:11:44,115 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:11:44,115 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2916 [2021-04-29 04:11:44,115 INFO L480 AbstractCegarLoop]: Abstraction has has 371 places, 835 transitions, 33209 flow [2021-04-29 04:11:44,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:44,116 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:11:44,116 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] [2021-04-29 04:11:44,116 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-04-29 04:11:44,116 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:11:44,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:11:44,116 INFO L82 PathProgramCache]: Analyzing trace with hash 2136229728, now seen corresponding path program 50 times [2021-04-29 04:11:44,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:11:44,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858241204] [2021-04-29 04:11:44,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:11:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:11:44,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:44,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:11:44,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:44,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:11:44,141 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:11:44,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:11:44,152 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:11:44,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:11:44,170 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:11:44,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:11:44,197 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:11:44,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:11:44,235 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:11:44,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:11:44,290 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:11:44,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:11:44,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:11:44,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858241204] [2021-04-29 04:11:44,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:11:44,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:11:44,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820706948] [2021-04-29 04:11:44,333 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:11:44,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:11:44,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:11:44,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:11:44,335 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:11:44,335 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 835 transitions, 33209 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:44,336 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:11:44,336 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:11:44,336 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:11:50,817 INFO L129 PetriNetUnfolder]: 612/8760 cut-off events. [2021-04-29 04:11:50,817 INFO L130 PetriNetUnfolder]: For 428552/435863 co-relation queries the response was YES. [2021-04-29 04:11:50,897 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70463 conditions, 8760 events. 612/8760 cut-off events. For 428552/435863 co-relation queries the response was YES. Maximal size of possible extension queue 1348. Compared 151015 event pairs, 612 based on Foata normal form. 67/8380 useless extension candidates. Maximal degree in co-relation 70318. Up to 1541 conditions per place. [2021-04-29 04:11:50,921 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 325 selfloop transitions, 524 changer transitions 2/865 dead transitions. [2021-04-29 04:11:50,922 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 865 transitions, 35897 flow [2021-04-29 04:11:50,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:11:50,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:11:50,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:11:50,923 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:11:50,923 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:11:50,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:11:50,923 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:11:50,923 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:11:50,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:50,925 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:50,925 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:50,925 INFO L185 Difference]: Start difference. First operand has 371 places, 835 transitions, 33209 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:11:50,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 865 transitions, 35897 flow [2021-04-29 04:11:55,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 865 transitions, 34716 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-04-29 04:11:55,862 INFO L241 Difference]: Finished difference. Result has 376 places, 842 transitions, 33444 flow [2021-04-29 04:11:55,863 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=32038, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=835, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=516, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=33444, PETRI_PLACES=376, PETRI_TRANSITIONS=842} [2021-04-29 04:11:55,863 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 325 predicate places. [2021-04-29 04:11:55,863 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:11:55,863 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 376 places, 842 transitions, 33444 flow [2021-04-29 04:11:55,864 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 376 places, 842 transitions, 33444 flow [2021-04-29 04:11:55,877 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 375 places, 842 transitions, 33444 flow [2021-04-29 04:11:58,427 INFO L129 PetriNetUnfolder]: 0/7600 cut-off events. [2021-04-29 04:11:58,428 INFO L130 PetriNetUnfolder]: For 354750/357541 co-relation queries the response was YES. [2021-04-29 04:11:58,428 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51637 conditions, 7600 events. 0/7600 cut-off events. For 354750/357541 co-relation queries the response was YES. Maximal size of possible extension queue 1256. Compared 139444 event pairs, 0 based on Foata normal form. 1/7156 useless extension candidates. Maximal degree in co-relation 0. Up to 868 conditions per place. [2021-04-29 04:11:58,527 INFO L146 LiptonReduction]: Number of co-enabled transitions 4840 [2021-04-29 04:11:58,680 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:11:58,681 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:11:58,681 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2818 [2021-04-29 04:11:58,681 INFO L480 AbstractCegarLoop]: Abstraction has has 375 places, 842 transitions, 33444 flow [2021-04-29 04:11:58,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:58,681 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:11:58,682 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] [2021-04-29 04:11:58,682 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-04-29 04:11:58,682 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:11:58,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:11:58,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1770375858, now seen corresponding path program 51 times [2021-04-29 04:11:58,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:11:58,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793719215] [2021-04-29 04:11:58,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:11:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:11:58,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:58,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:11:58,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:58,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:11:58,705 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:11:58,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:11:58,716 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:11:58,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:11:58,737 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:11:58,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:11:58,762 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:11:58,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:11:58,800 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:11:58,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:11:58,849 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:11:58,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:11:58,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:11:58,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793719215] [2021-04-29 04:11:58,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:11:58,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:11:58,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795008180] [2021-04-29 04:11:58,893 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:11:58,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:11:58,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:11:58,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:11:58,895 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:11:58,895 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 842 transitions, 33444 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:58,895 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:11:58,895 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:11:58,895 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:12:05,190 INFO L129 PetriNetUnfolder]: 612/8752 cut-off events. [2021-04-29 04:12:05,190 INFO L130 PetriNetUnfolder]: For 433247/440558 co-relation queries the response was YES. [2021-04-29 04:12:05,287 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70579 conditions, 8752 events. 612/8752 cut-off events. For 433247/440558 co-relation queries the response was YES. Maximal size of possible extension queue 1346. Compared 150969 event pairs, 612 based on Foata normal form. 67/8372 useless extension candidates. Maximal degree in co-relation 70432. Up to 1541 conditions per place. [2021-04-29 04:12:05,312 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 313 selfloop transitions, 532 changer transitions 2/861 dead transitions. [2021-04-29 04:12:05,312 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 861 transitions, 35706 flow [2021-04-29 04:12:05,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:12:05,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:12:05,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:12:05,324 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:12:05,324 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:12:05,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:12:05,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:12:05,325 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:12:05,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:05,327 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:05,327 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:05,327 INFO L185 Difference]: Start difference. First operand has 375 places, 842 transitions, 33444 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:12:05,327 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 861 transitions, 35706 flow [2021-04-29 04:12:10,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 861 transitions, 34701 flow, removed 18 selfloop flow, removed 5 redundant places. [2021-04-29 04:12:10,655 INFO L241 Difference]: Finished difference. Result has 380 places, 844 transitions, 33617 flow [2021-04-29 04:12:10,656 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=32453, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=842, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=529, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=33617, PETRI_PLACES=380, PETRI_TRANSITIONS=844} [2021-04-29 04:12:10,656 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 329 predicate places. [2021-04-29 04:12:10,656 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:12:10,656 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 380 places, 844 transitions, 33617 flow [2021-04-29 04:12:10,657 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 380 places, 844 transitions, 33617 flow [2021-04-29 04:12:10,670 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 379 places, 844 transitions, 33617 flow [2021-04-29 04:12:13,169 INFO L129 PetriNetUnfolder]: 0/7592 cut-off events. [2021-04-29 04:12:13,170 INFO L130 PetriNetUnfolder]: For 361153/364543 co-relation queries the response was YES. [2021-04-29 04:12:13,170 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51735 conditions, 7592 events. 0/7592 cut-off events. For 361153/364543 co-relation queries the response was YES. Maximal size of possible extension queue 1252. Compared 139224 event pairs, 0 based on Foata normal form. 3/7152 useless extension candidates. Maximal degree in co-relation 0. Up to 867 conditions per place. [2021-04-29 04:12:13,558 INFO L146 LiptonReduction]: Number of co-enabled transitions 4844 [2021-04-29 04:12:13,727 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:12:13,727 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:12:13,727 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3071 [2021-04-29 04:12:13,728 INFO L480 AbstractCegarLoop]: Abstraction has has 379 places, 844 transitions, 33617 flow [2021-04-29 04:12:13,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:13,728 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:12:13,728 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] [2021-04-29 04:12:13,728 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-04-29 04:12:13,728 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:12:13,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:12:13,728 INFO L82 PathProgramCache]: Analyzing trace with hash 935046624, now seen corresponding path program 52 times [2021-04-29 04:12:13,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:12:13,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131245468] [2021-04-29 04:12:13,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:12:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:12:13,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:13,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:12:13,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:13,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:12:13,755 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:12:13,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:12:13,768 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:12:13,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:12:13,784 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:12:13,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:12:13,821 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:12:13,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:12:13,854 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-04-29 04:12:13,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 04:12:13,894 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:12:13,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:12:13,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:12:13,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131245468] [2021-04-29 04:12:13,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:12:13,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:12:13,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690216570] [2021-04-29 04:12:13,931 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:12:13,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:12:13,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:12:13,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:12:13,932 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:12:13,933 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 844 transitions, 33617 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:13,933 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:12:13,933 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:12:13,933 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:12:20,460 INFO L129 PetriNetUnfolder]: 612/8744 cut-off events. [2021-04-29 04:12:20,460 INFO L130 PetriNetUnfolder]: For 432874/440181 co-relation queries the response was YES. [2021-04-29 04:12:20,547 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70674 conditions, 8744 events. 612/8744 cut-off events. For 432874/440181 co-relation queries the response was YES. Maximal size of possible extension queue 1344. Compared 150740 event pairs, 612 based on Foata normal form. 65/8362 useless extension candidates. Maximal degree in co-relation 70526. Up to 1541 conditions per place. [2021-04-29 04:12:20,571 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 251 selfloop transitions, 582 changer transitions 2/849 dead transitions. [2021-04-29 04:12:20,571 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 849 transitions, 35307 flow [2021-04-29 04:12:20,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:12:20,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:12:20,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:12:20,573 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:12:20,573 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:12:20,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:12:20,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:12:20,573 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:12:20,574 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:20,575 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:20,575 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:20,575 INFO L185 Difference]: Start difference. First operand has 379 places, 844 transitions, 33617 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:12:20,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 849 transitions, 35307 flow [2021-04-29 04:12:25,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 849 transitions, 34248 flow, removed 9 selfloop flow, removed 6 redundant places. [2021-04-29 04:12:25,735 INFO L241 Difference]: Finished difference. Result has 382 places, 842 transitions, 33624 flow [2021-04-29 04:12:25,736 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=32568, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=844, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=582, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=262, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=33624, PETRI_PLACES=382, PETRI_TRANSITIONS=842} [2021-04-29 04:12:25,736 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 331 predicate places. [2021-04-29 04:12:25,736 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:12:25,736 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 382 places, 842 transitions, 33624 flow [2021-04-29 04:12:25,736 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 382 places, 842 transitions, 33624 flow [2021-04-29 04:12:25,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 381 places, 842 transitions, 33624 flow [2021-04-29 04:12:28,375 INFO L129 PetriNetUnfolder]: 0/7587 cut-off events. [2021-04-29 04:12:28,375 INFO L130 PetriNetUnfolder]: For 355827/359314 co-relation queries the response was YES. [2021-04-29 04:12:28,375 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51706 conditions, 7587 events. 0/7587 cut-off events. For 355827/359314 co-relation queries the response was YES. Maximal size of possible extension queue 1256. Compared 138984 event pairs, 0 based on Foata normal form. 3/7142 useless extension candidates. Maximal degree in co-relation 0. Up to 866 conditions per place. [2021-04-29 04:12:28,460 INFO L146 LiptonReduction]: Number of co-enabled transitions 4820 [2021-04-29 04:12:28,631 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:12:28,632 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:12:28,632 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2896 [2021-04-29 04:12:28,632 INFO L480 AbstractCegarLoop]: Abstraction has has 381 places, 842 transitions, 33624 flow [2021-04-29 04:12:28,632 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:28,632 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:12:28,632 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] [2021-04-29 04:12:28,633 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-04-29 04:12:28,633 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:12:28,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:12:28,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1924882556, now seen corresponding path program 53 times [2021-04-29 04:12:28,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:12:28,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476375942] [2021-04-29 04:12:28,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:12:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:12:28,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:28,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:12:28,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:28,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:12:28,659 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:12:28,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:12:28,671 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:12:28,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:12:28,687 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:12:28,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:12:28,724 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-04-29 04:12:28,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:12:28,771 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:12:28,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:12:28,810 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:12:28,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:12:28,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:12:28,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476375942] [2021-04-29 04:12:28,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:12:28,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:12:28,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277227667] [2021-04-29 04:12:28,850 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:12:28,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:12:28,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:12:28,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:12:28,851 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:12:28,852 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 842 transitions, 33624 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:28,852 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:12:28,852 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:12:28,852 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:12:35,224 INFO L129 PetriNetUnfolder]: 612/8739 cut-off events. [2021-04-29 04:12:35,225 INFO L130 PetriNetUnfolder]: For 432254/439561 co-relation queries the response was YES. [2021-04-29 04:12:35,305 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70642 conditions, 8739 events. 612/8739 cut-off events. For 432254/439561 co-relation queries the response was YES. Maximal size of possible extension queue 1343. Compared 150633 event pairs, 612 based on Foata normal form. 65/8358 useless extension candidates. Maximal degree in co-relation 70494. Up to 1541 conditions per place. [2021-04-29 04:12:35,328 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 246 selfloop transitions, 588 changer transitions 2/850 dead transitions. [2021-04-29 04:12:35,329 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 850 transitions, 35435 flow [2021-04-29 04:12:35,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:12:35,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:12:35,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:12:35,330 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:12:35,330 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:12:35,330 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:12:35,330 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:12:35,330 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:12:35,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:35,332 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:35,332 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:35,332 INFO L185 Difference]: Start difference. First operand has 381 places, 842 transitions, 33624 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:12:35,332 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 850 transitions, 35435 flow [2021-04-29 04:12:40,596 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 850 transitions, 34361 flow, removed 20 selfloop flow, removed 5 redundant places. [2021-04-29 04:12:40,634 INFO L241 Difference]: Finished difference. Result has 386 places, 843 transitions, 33791 flow [2021-04-29 04:12:40,635 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=32564, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=842, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=586, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=33791, PETRI_PLACES=386, PETRI_TRANSITIONS=843} [2021-04-29 04:12:40,635 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 335 predicate places. [2021-04-29 04:12:40,635 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:12:40,635 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 386 places, 843 transitions, 33791 flow [2021-04-29 04:12:40,635 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 386 places, 843 transitions, 33791 flow [2021-04-29 04:12:40,655 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 385 places, 843 transitions, 33791 flow [2021-04-29 04:12:43,356 INFO L129 PetriNetUnfolder]: 0/7579 cut-off events. [2021-04-29 04:12:43,356 INFO L130 PetriNetUnfolder]: For 360901/364388 co-relation queries the response was YES. [2021-04-29 04:12:43,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51818 conditions, 7579 events. 0/7579 cut-off events. For 360901/364388 co-relation queries the response was YES. Maximal size of possible extension queue 1251. Compared 138843 event pairs, 0 based on Foata normal form. 3/7138 useless extension candidates. Maximal degree in co-relation 0. Up to 865 conditions per place. [2021-04-29 04:12:43,444 INFO L146 LiptonReduction]: Number of co-enabled transitions 4818 [2021-04-29 04:12:43,601 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:12:43,601 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:12:43,602 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2967 [2021-04-29 04:12:43,602 INFO L480 AbstractCegarLoop]: Abstraction has has 385 places, 843 transitions, 33791 flow [2021-04-29 04:12:43,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:43,602 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:12:43,602 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] [2021-04-29 04:12:43,602 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-04-29 04:12:43,602 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:12:43,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:12:43,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1127946520, now seen corresponding path program 54 times [2021-04-29 04:12:43,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:12:43,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971742439] [2021-04-29 04:12:43,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:12:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:12:43,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:43,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:12:43,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:43,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:12:43,625 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:12:43,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:12:43,636 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:12:43,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:12:43,652 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:12:43,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:12:43,687 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:12:43,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:12:43,727 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:12:43,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:12:43,777 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:12:43,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:12:43,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:12:43,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971742439] [2021-04-29 04:12:43,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:12:43,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:12:43,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946826330] [2021-04-29 04:12:43,823 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:12:43,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:12:43,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:12:43,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:12:43,824 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:12:43,824 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 843 transitions, 33791 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:43,824 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:12:43,824 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:12:43,824 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:12:50,354 INFO L129 PetriNetUnfolder]: 612/8731 cut-off events. [2021-04-29 04:12:50,354 INFO L130 PetriNetUnfolder]: For 432278/439589 co-relation queries the response was YES. [2021-04-29 04:12:50,434 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70751 conditions, 8731 events. 612/8731 cut-off events. For 432278/439589 co-relation queries the response was YES. Maximal size of possible extension queue 1341. Compared 150447 event pairs, 612 based on Foata normal form. 67/8352 useless extension candidates. Maximal degree in co-relation 70602. Up to 1541 conditions per place. [2021-04-29 04:12:50,457 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 252 selfloop transitions, 580 changer transitions 2/848 dead transitions. [2021-04-29 04:12:50,458 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 848 transitions, 35479 flow [2021-04-29 04:12:50,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:12:50,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:12:50,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:12:50,459 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:12:50,459 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:12:50,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:12:50,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:12:50,459 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:12:50,460 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:50,461 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:50,461 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:50,461 INFO L185 Difference]: Start difference. First operand has 385 places, 843 transitions, 33791 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:12:50,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 848 transitions, 35479 flow [2021-04-29 04:12:55,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 848 transitions, 34313 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-04-29 04:12:55,661 INFO L241 Difference]: Finished difference. Result has 388 places, 841 transitions, 33702 flow [2021-04-29 04:12:55,662 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=32635, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=843, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=580, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=33702, PETRI_PLACES=388, PETRI_TRANSITIONS=841} [2021-04-29 04:12:55,662 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 337 predicate places. [2021-04-29 04:12:55,663 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:12:55,663 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 388 places, 841 transitions, 33702 flow [2021-04-29 04:12:55,663 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 388 places, 841 transitions, 33702 flow [2021-04-29 04:12:55,683 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 387 places, 841 transitions, 33702 flow [2021-04-29 04:12:58,494 INFO L129 PetriNetUnfolder]: 0/7570 cut-off events. [2021-04-29 04:12:58,494 INFO L130 PetriNetUnfolder]: For 360021/363508 co-relation queries the response was YES. [2021-04-29 04:12:58,494 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51764 conditions, 7570 events. 0/7570 cut-off events. For 360021/363508 co-relation queries the response was YES. Maximal size of possible extension queue 1247. Compared 138753 event pairs, 0 based on Foata normal form. 3/7131 useless extension candidates. Maximal degree in co-relation 0. Up to 864 conditions per place. [2021-04-29 04:12:58,599 INFO L146 LiptonReduction]: Number of co-enabled transitions 4800 [2021-04-29 04:12:58,832 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:12:58,832 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:12:58,833 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3170 [2021-04-29 04:12:58,833 INFO L480 AbstractCegarLoop]: Abstraction has has 387 places, 841 transitions, 33702 flow [2021-04-29 04:12:58,833 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:58,833 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:12:58,833 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] [2021-04-29 04:12:58,834 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-04-29 04:12:58,834 INFO L428 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:12:58,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:12:58,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1940569180, now seen corresponding path program 55 times [2021-04-29 04:12:58,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:12:58,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359301951] [2021-04-29 04:12:58,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:12:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:12:58,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:58,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:12:58,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:58,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:12:58,863 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:12:58,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:12:58,874 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:12:58,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:12:58,890 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:12:58,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:12:58,913 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-04-29 04:12:58,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 04:12:58,959 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-04-29 04:12:58,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 04:12:59,000 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:12:59,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:12:59,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:12:59,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359301951] [2021-04-29 04:12:59,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:12:59,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:12:59,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583243524] [2021-04-29 04:12:59,038 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:12:59,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:12:59,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:12:59,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:12:59,039 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:12:59,040 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 841 transitions, 33702 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:59,040 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:12:59,040 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:12:59,040 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:13:05,241 INFO L129 PetriNetUnfolder]: 612/8722 cut-off events. [2021-04-29 04:13:05,241 INFO L130 PetriNetUnfolder]: For 431554/438865 co-relation queries the response was YES. [2021-04-29 04:13:05,346 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70693 conditions, 8722 events. 612/8722 cut-off events. For 431554/438865 co-relation queries the response was YES. Maximal size of possible extension queue 1340. Compared 150219 event pairs, 612 based on Foata normal form. 67/8344 useless extension candidates. Maximal degree in co-relation 70544. Up to 1541 conditions per place. [2021-04-29 04:13:05,372 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 299 selfloop transitions, 541 changer transitions 2/856 dead transitions. [2021-04-29 04:13:05,372 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 395 places, 856 transitions, 35802 flow [2021-04-29 04:13:05,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:13:05,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:13:05,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:13:05,373 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:13:05,373 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:13:05,373 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:13:05,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:13:05,374 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:13:05,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:05,377 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:05,377 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:05,377 INFO L185 Difference]: Start difference. First operand has 387 places, 841 transitions, 33702 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:13:05,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 395 places, 856 transitions, 35802 flow [2021-04-29 04:13:10,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 856 transitions, 34251 flow, removed 9 selfloop flow, removed 7 redundant places. [2021-04-29 04:13:10,705 INFO L241 Difference]: Finished difference. Result has 390 places, 841 transitions, 33271 flow [2021-04-29 04:13:10,706 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=32163, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=841, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=540, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=33271, PETRI_PLACES=390, PETRI_TRANSITIONS=841} [2021-04-29 04:13:10,706 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 339 predicate places. [2021-04-29 04:13:10,706 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:13:10,706 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 390 places, 841 transitions, 33271 flow [2021-04-29 04:13:10,706 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 390 places, 841 transitions, 33271 flow [2021-04-29 04:13:10,719 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 389 places, 841 transitions, 33271 flow [2021-04-29 04:13:13,168 INFO L129 PetriNetUnfolder]: 0/7562 cut-off events. [2021-04-29 04:13:13,168 INFO L130 PetriNetUnfolder]: For 353315/356802 co-relation queries the response was YES. [2021-04-29 04:13:13,168 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51441 conditions, 7562 events. 0/7562 cut-off events. For 353315/356802 co-relation queries the response was YES. Maximal size of possible extension queue 1246. Compared 138574 event pairs, 0 based on Foata normal form. 3/7124 useless extension candidates. Maximal degree in co-relation 0. Up to 863 conditions per place. [2021-04-29 04:13:13,273 INFO L146 LiptonReduction]: Number of co-enabled transitions 4792 [2021-04-29 04:13:13,428 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:13:13,428 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:13:13,428 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2722 [2021-04-29 04:13:13,428 INFO L480 AbstractCegarLoop]: Abstraction has has 389 places, 841 transitions, 33271 flow [2021-04-29 04:13:13,428 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:13,428 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:13:13,429 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] [2021-04-29 04:13:13,429 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-04-29 04:13:13,429 INFO L428 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:13:13,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:13:13,429 INFO L82 PathProgramCache]: Analyzing trace with hash 421826980, now seen corresponding path program 56 times [2021-04-29 04:13:13,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:13:13,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928304023] [2021-04-29 04:13:13,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:13:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:13:13,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:13,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:13:13,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:13,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:13:13,460 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:13:13,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:13:13,471 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:13:13,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:13:13,486 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:13:13,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:13:13,506 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:13:13,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:13:13,543 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:13:13,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:13:13,582 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:13:13,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:13:13,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:13:13,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928304023] [2021-04-29 04:13:13,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:13:13,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:13:13,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274074092] [2021-04-29 04:13:13,872 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:13:13,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:13:13,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:13:13,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:13:13,874 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:13:13,875 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 841 transitions, 33271 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:13,875 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:13:13,875 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:13:13,875 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:13:20,153 INFO L129 PetriNetUnfolder]: 612/8714 cut-off events. [2021-04-29 04:13:20,153 INFO L130 PetriNetUnfolder]: For 427113/434424 co-relation queries the response was YES. [2021-04-29 04:13:20,253 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70367 conditions, 8714 events. 612/8714 cut-off events. For 427113/434424 co-relation queries the response was YES. Maximal size of possible extension queue 1338. Compared 149926 event pairs, 612 based on Foata normal form. 67/8336 useless extension candidates. Maximal degree in co-relation 70217. Up to 1541 conditions per place. [2021-04-29 04:13:20,278 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 312 selfloop transitions, 527 changer transitions 1/854 dead transitions. [2021-04-29 04:13:20,279 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 854 transitions, 35283 flow [2021-04-29 04:13:20,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:13:20,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:13:20,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:13:20,280 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:13:20,280 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:13:20,280 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:13:20,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:13:20,280 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:13:20,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:20,282 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:20,282 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:20,282 INFO L185 Difference]: Start difference. First operand has 389 places, 841 transitions, 33271 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:13:20,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 854 transitions, 35283 flow [2021-04-29 04:13:25,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 854 transitions, 34209 flow, removed 9 selfloop flow, removed 8 redundant places. [2021-04-29 04:13:25,628 INFO L241 Difference]: Finished difference. Result has 391 places, 848 transitions, 33597 flow [2021-04-29 04:13:25,628 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=32207, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=841, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=519, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=314, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=33597, PETRI_PLACES=391, PETRI_TRANSITIONS=848} [2021-04-29 04:13:25,629 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 340 predicate places. [2021-04-29 04:13:25,629 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:13:25,629 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 391 places, 848 transitions, 33597 flow [2021-04-29 04:13:25,629 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 391 places, 848 transitions, 33597 flow [2021-04-29 04:13:25,642 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 390 places, 848 transitions, 33597 flow [2021-04-29 04:13:28,202 INFO L129 PetriNetUnfolder]: 0/7557 cut-off events. [2021-04-29 04:13:28,202 INFO L130 PetriNetUnfolder]: For 357110/360470 co-relation queries the response was YES. [2021-04-29 04:13:28,202 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51478 conditions, 7557 events. 0/7557 cut-off events. For 357110/360470 co-relation queries the response was YES. Maximal size of possible extension queue 1244. Compared 138385 event pairs, 0 based on Foata normal form. 3/7114 useless extension candidates. Maximal degree in co-relation 0. Up to 862 conditions per place. [2021-04-29 04:13:28,296 INFO L146 LiptonReduction]: Number of co-enabled transitions 4824 [2021-04-29 04:13:28,450 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:13:28,450 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:13:28,450 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2821 [2021-04-29 04:13:28,450 INFO L480 AbstractCegarLoop]: Abstraction has has 390 places, 848 transitions, 33597 flow [2021-04-29 04:13:28,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:28,451 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:13:28,451 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] [2021-04-29 04:13:28,451 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-04-29 04:13:28,451 INFO L428 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:13:28,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:13:28,451 INFO L82 PathProgramCache]: Analyzing trace with hash -1758501542, now seen corresponding path program 57 times [2021-04-29 04:13:28,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:13:28,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792829237] [2021-04-29 04:13:28,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:13:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:13:28,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:28,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:13:28,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:28,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:13:28,476 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:13:28,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:13:28,487 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:13:28,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:13:28,502 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:13:28,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:13:28,523 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:13:28,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:13:28,555 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-04-29 04:13:28,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 04:13:28,603 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:13:28,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:13:28,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:13:28,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792829237] [2021-04-29 04:13:28,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:13:28,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:13:28,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776440966] [2021-04-29 04:13:28,649 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:13:28,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:13:28,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:13:28,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:13:28,650 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:13:28,651 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 848 transitions, 33597 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:28,651 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:13:28,651 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:13:28,651 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:13:35,233 INFO L129 PetriNetUnfolder]: 612/8709 cut-off events. [2021-04-29 04:13:35,234 INFO L130 PetriNetUnfolder]: For 429607/436918 co-relation queries the response was YES. [2021-04-29 04:13:35,323 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70402 conditions, 8709 events. 612/8709 cut-off events. For 429607/436918 co-relation queries the response was YES. Maximal size of possible extension queue 1336. Compared 149922 event pairs, 612 based on Foata normal form. 67/8332 useless extension candidates. Maximal degree in co-relation 70253. Up to 1541 conditions per place. [2021-04-29 04:13:35,350 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 309 selfloop transitions, 527 changer transitions 3/853 dead transitions. [2021-04-29 04:13:35,350 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 853 transitions, 35295 flow [2021-04-29 04:13:35,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:13:35,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:13:35,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:13:35,352 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:13:35,352 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:13:35,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:13:35,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:13:35,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:13:35,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:35,354 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:35,354 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:35,354 INFO L185 Difference]: Start difference. First operand has 390 places, 848 transitions, 33597 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:13:35,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 853 transitions, 35295 flow [2021-04-29 04:13:41,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 853 transitions, 34300 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-04-29 04:13:41,143 INFO L241 Difference]: Finished difference. Result has 394 places, 845 transitions, 33517 flow [2021-04-29 04:13:41,144 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=32612, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=848, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=527, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=321, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=33517, PETRI_PLACES=394, PETRI_TRANSITIONS=845} [2021-04-29 04:13:41,144 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 343 predicate places. [2021-04-29 04:13:41,144 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:13:41,144 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 394 places, 845 transitions, 33517 flow [2021-04-29 04:13:41,144 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 394 places, 845 transitions, 33517 flow [2021-04-29 04:13:41,157 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 393 places, 845 transitions, 33517 flow [2021-04-29 04:13:43,787 INFO L129 PetriNetUnfolder]: 0/7547 cut-off events. [2021-04-29 04:13:43,787 INFO L130 PetriNetUnfolder]: For 350457/353348 co-relation queries the response was YES. [2021-04-29 04:13:43,788 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51528 conditions, 7547 events. 0/7547 cut-off events. For 350457/353348 co-relation queries the response was YES. Maximal size of possible extension queue 1242. Compared 138250 event pairs, 0 based on Foata normal form. 1/7107 useless extension candidates. Maximal degree in co-relation 0. Up to 861 conditions per place. [2021-04-29 04:13:43,875 INFO L146 LiptonReduction]: Number of co-enabled transitions 4796 [2021-04-29 04:13:44,117 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:13:44,117 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:13:44,117 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2973 [2021-04-29 04:13:44,119 INFO L480 AbstractCegarLoop]: Abstraction has has 393 places, 845 transitions, 33517 flow [2021-04-29 04:13:44,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:44,120 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:13:44,120 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] [2021-04-29 04:13:44,120 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-04-29 04:13:44,120 INFO L428 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:13:44,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:13:44,121 INFO L82 PathProgramCache]: Analyzing trace with hash -682075176, now seen corresponding path program 58 times [2021-04-29 04:13:44,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:13:44,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318139802] [2021-04-29 04:13:44,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:13:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:13:44,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:44,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:13:44,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:44,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:13:44,158 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:13:44,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:13:44,168 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:13:44,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:13:44,185 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:13:44,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:13:44,210 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:13:44,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:13:44,242 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:13:44,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:13:44,281 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:13:44,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:13:44,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:13:44,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318139802] [2021-04-29 04:13:44,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:13:44,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:13:44,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789201960] [2021-04-29 04:13:44,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:13:44,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:13:44,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:13:44,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:13:44,320 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:13:44,320 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 393 places, 845 transitions, 33517 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:44,320 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:13:44,320 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:13:44,321 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:13:50,535 INFO L129 PetriNetUnfolder]: 612/8699 cut-off events. [2021-04-29 04:13:50,535 INFO L130 PetriNetUnfolder]: For 428658/435969 co-relation queries the response was YES. [2021-04-29 04:13:50,649 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70447 conditions, 8699 events. 612/8699 cut-off events. For 428658/435969 co-relation queries the response was YES. Maximal size of possible extension queue 1334. Compared 149768 event pairs, 612 based on Foata normal form. 67/8323 useless extension candidates. Maximal degree in co-relation 70298. Up to 1541 conditions per place. [2021-04-29 04:13:50,675 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 309 selfloop transitions, 526 changer transitions 1/850 dead transitions. [2021-04-29 04:13:50,675 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 850 transitions, 35209 flow [2021-04-29 04:13:50,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:13:50,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:13:50,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:13:50,676 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:13:50,676 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:13:50,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:13:50,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:13:50,677 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:13:50,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:50,678 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:50,678 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:50,678 INFO L185 Difference]: Start difference. First operand has 393 places, 845 transitions, 33517 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:13:50,678 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 850 transitions, 35209 flow [2021-04-29 04:13:56,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 850 transitions, 34363 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-04-29 04:13:56,179 INFO L241 Difference]: Finished difference. Result has 397 places, 844 transitions, 33674 flow [2021-04-29 04:13:56,180 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=32681, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=845, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=526, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=33674, PETRI_PLACES=397, PETRI_TRANSITIONS=844} [2021-04-29 04:13:56,180 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 346 predicate places. [2021-04-29 04:13:56,180 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:13:56,180 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 397 places, 844 transitions, 33674 flow [2021-04-29 04:13:56,181 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 397 places, 844 transitions, 33674 flow [2021-04-29 04:13:56,195 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 396 places, 844 transitions, 33674 flow [2021-04-29 04:13:58,648 INFO L129 PetriNetUnfolder]: 0/7543 cut-off events. [2021-04-29 04:13:58,648 INFO L130 PetriNetUnfolder]: For 356185/359575 co-relation queries the response was YES. [2021-04-29 04:13:58,648 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51855 conditions, 7543 events. 0/7543 cut-off events. For 356185/359575 co-relation queries the response was YES. Maximal size of possible extension queue 1241. Compared 138128 event pairs, 0 based on Foata normal form. 3/7105 useless extension candidates. Maximal degree in co-relation 0. Up to 860 conditions per place. [2021-04-29 04:13:58,752 INFO L146 LiptonReduction]: Number of co-enabled transitions 4786 [2021-04-29 04:13:58,909 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:13:58,909 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:13:58,910 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2730 [2021-04-29 04:13:58,910 INFO L480 AbstractCegarLoop]: Abstraction has has 396 places, 844 transitions, 33674 flow [2021-04-29 04:13:58,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:58,910 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:13:58,910 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] [2021-04-29 04:13:58,910 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-04-29 04:13:58,911 INFO L428 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:13:58,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:13:58,911 INFO L82 PathProgramCache]: Analyzing trace with hash 424084930, now seen corresponding path program 59 times [2021-04-29 04:13:58,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:13:58,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735193972] [2021-04-29 04:13:58,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:13:58,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:13:58,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:58,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:13:58,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:58,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:13:58,938 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:13:58,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:13:58,949 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:13:58,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:13:58,966 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:13:58,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:13:58,990 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:13:58,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:13:59,020 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:13:59,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:13:59,059 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:13:59,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:13:59,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:13:59,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735193972] [2021-04-29 04:13:59,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:13:59,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:13:59,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106068036] [2021-04-29 04:13:59,103 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:13:59,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:13:59,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:13:59,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:13:59,104 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:13:59,104 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 844 transitions, 33674 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:59,104 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:13:59,104 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:13:59,104 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:14:05,473 INFO L129 PetriNetUnfolder]: 612/8695 cut-off events. [2021-04-29 04:14:05,473 INFO L130 PetriNetUnfolder]: For 429369/436676 co-relation queries the response was YES. [2021-04-29 04:14:05,573 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70772 conditions, 8695 events. 612/8695 cut-off events. For 429369/436676 co-relation queries the response was YES. Maximal size of possible extension queue 1333. Compared 149630 event pairs, 612 based on Foata normal form. 65/8317 useless extension candidates. Maximal degree in co-relation 70623. Up to 1541 conditions per place. [2021-04-29 04:14:05,597 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 302 selfloop transitions, 532 changer transitions 1/849 dead transitions. [2021-04-29 04:14:05,597 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 849 transitions, 35364 flow [2021-04-29 04:14:05,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:14:05,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:14:05,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:14:05,598 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:14:05,598 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:14:05,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:14:05,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:14:05,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:14:05,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:05,601 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:05,601 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:05,601 INFO L185 Difference]: Start difference. First operand has 396 places, 844 transitions, 33674 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:14:05,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 849 transitions, 35364 flow [2021-04-29 04:14:10,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 849 transitions, 34303 flow, removed 13 selfloop flow, removed 6 redundant places. [2021-04-29 04:14:10,820 INFO L241 Difference]: Finished difference. Result has 399 places, 843 transitions, 33632 flow [2021-04-29 04:14:10,820 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=32623, PETRI_DIFFERENCE_MINUEND_PLACES=390, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=844, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=532, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=33632, PETRI_PLACES=399, PETRI_TRANSITIONS=843} [2021-04-29 04:14:10,821 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 348 predicate places. [2021-04-29 04:14:10,821 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:14:10,821 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 399 places, 843 transitions, 33632 flow [2021-04-29 04:14:10,821 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 399 places, 843 transitions, 33632 flow [2021-04-29 04:14:10,835 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 397 places, 843 transitions, 33632 flow [2021-04-29 04:14:13,433 INFO L129 PetriNetUnfolder]: 0/7538 cut-off events. [2021-04-29 04:14:13,434 INFO L130 PetriNetUnfolder]: For 354228/357634 co-relation queries the response was YES. [2021-04-29 04:14:13,434 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51848 conditions, 7538 events. 0/7538 cut-off events. For 354228/357634 co-relation queries the response was YES. Maximal size of possible extension queue 1240. Compared 137987 event pairs, 0 based on Foata normal form. 3/7101 useless extension candidates. Maximal degree in co-relation 0. Up to 859 conditions per place. [2021-04-29 04:14:13,523 INFO L146 LiptonReduction]: Number of co-enabled transitions 4778 [2021-04-29 04:14:13,680 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:14:13,680 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:14:13,680 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2859 [2021-04-29 04:14:13,680 INFO L480 AbstractCegarLoop]: Abstraction has has 397 places, 843 transitions, 33632 flow [2021-04-29 04:14:13,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:13,681 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:14:13,681 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] [2021-04-29 04:14:13,681 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-04-29 04:14:13,681 INFO L428 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:14:13,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:14:13,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1052512950, now seen corresponding path program 60 times [2021-04-29 04:14:13,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:14:13,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760208494] [2021-04-29 04:14:13,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:14:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:14:13,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:13,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:14:13,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:13,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:14:13,707 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:14:13,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:14:13,723 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:14:13,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:14:13,741 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:14:13,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:14:13,773 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:14:13,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:14:13,806 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-04-29 04:14:13,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 04:14:13,851 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:14:13,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:14:13,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:14:13,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760208494] [2021-04-29 04:14:13,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:14:13,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:14:13,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495350407] [2021-04-29 04:14:13,892 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:14:13,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:14:13,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:14:13,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:14:13,893 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:14:13,894 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 843 transitions, 33632 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:13,894 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:14:13,894 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:14:13,894 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:14:20,126 INFO L129 PetriNetUnfolder]: 612/8690 cut-off events. [2021-04-29 04:14:20,127 INFO L130 PetriNetUnfolder]: For 429083/436394 co-relation queries the response was YES. [2021-04-29 04:14:20,498 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70763 conditions, 8690 events. 612/8690 cut-off events. For 429083/436394 co-relation queries the response was YES. Maximal size of possible extension queue 1332. Compared 149486 event pairs, 612 based on Foata normal form. 67/8315 useless extension candidates. Maximal degree in co-relation 70614. Up to 1541 conditions per place. [2021-04-29 04:14:20,522 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 299 selfloop transitions, 533 changer transitions 2/848 dead transitions. [2021-04-29 04:14:20,522 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 848 transitions, 35320 flow [2021-04-29 04:14:20,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:14:20,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:14:20,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:14:20,523 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:14:20,523 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:14:20,523 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:14:20,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:14:20,524 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:14:20,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:20,525 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:20,525 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:20,525 INFO L185 Difference]: Start difference. First operand has 397 places, 843 transitions, 33632 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:14:20,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 848 transitions, 35320 flow [2021-04-29 04:14:25,647 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 848 transitions, 34297 flow, removed 22 selfloop flow, removed 5 redundant places. [2021-04-29 04:14:25,676 INFO L241 Difference]: Finished difference. Result has 401 places, 841 transitions, 33565 flow [2021-04-29 04:14:25,677 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=32619, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=843, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=533, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=33565, PETRI_PLACES=401, PETRI_TRANSITIONS=841} [2021-04-29 04:14:25,677 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 350 predicate places. [2021-04-29 04:14:25,677 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:14:25,677 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 401 places, 841 transitions, 33565 flow [2021-04-29 04:14:25,678 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 401 places, 841 transitions, 33565 flow [2021-04-29 04:14:25,691 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 400 places, 841 transitions, 33565 flow [2021-04-29 04:14:28,163 INFO L129 PetriNetUnfolder]: 0/7532 cut-off events. [2021-04-29 04:14:28,164 INFO L130 PetriNetUnfolder]: For 354685/358172 co-relation queries the response was YES. [2021-04-29 04:14:28,164 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51886 conditions, 7532 events. 0/7532 cut-off events. For 354685/358172 co-relation queries the response was YES. Maximal size of possible extension queue 1243. Compared 137915 event pairs, 0 based on Foata normal form. 3/7094 useless extension candidates. Maximal degree in co-relation 0. Up to 858 conditions per place. [2021-04-29 04:14:28,266 INFO L146 LiptonReduction]: Number of co-enabled transitions 4756 [2021-04-29 04:14:28,435 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:14:28,435 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:14:28,435 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2758 [2021-04-29 04:14:28,436 INFO L480 AbstractCegarLoop]: Abstraction has has 400 places, 841 transitions, 33565 flow [2021-04-29 04:14:28,436 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:28,436 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:14:28,436 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] [2021-04-29 04:14:28,436 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-04-29 04:14:28,436 INFO L428 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:14:28,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:14:28,437 INFO L82 PathProgramCache]: Analyzing trace with hash 599336456, now seen corresponding path program 61 times [2021-04-29 04:14:28,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:14:28,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519395117] [2021-04-29 04:14:28,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:14:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:14:28,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:28,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:14:28,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:28,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:14:28,461 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:14:28,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:14:28,476 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:14:28,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:14:28,492 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:14:28,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:14:28,518 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:14:28,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:14:28,551 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:14:28,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:14:28,608 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:14:28,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:14:28,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:14:28,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519395117] [2021-04-29 04:14:28,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:14:28,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:14:28,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844812589] [2021-04-29 04:14:28,666 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:14:28,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:14:28,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:14:28,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:14:28,667 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:14:28,668 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 841 transitions, 33565 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:28,668 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:14:28,668 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:14:28,668 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:14:35,248 INFO L129 PetriNetUnfolder]: 612/8684 cut-off events. [2021-04-29 04:14:35,248 INFO L130 PetriNetUnfolder]: For 427597/434908 co-relation queries the response was YES. [2021-04-29 04:14:35,334 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70798 conditions, 8684 events. 612/8684 cut-off events. For 427597/434908 co-relation queries the response was YES. Maximal size of possible extension queue 1332. Compared 149389 event pairs, 612 based on Foata normal form. 67/8310 useless extension candidates. Maximal degree in co-relation 70649. Up to 1541 conditions per place. [2021-04-29 04:14:35,358 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 290 selfloop transitions, 541 changer transitions 1/846 dead transitions. [2021-04-29 04:14:35,358 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 846 transitions, 35249 flow [2021-04-29 04:14:35,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:14:35,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:14:35,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:14:35,360 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:14:35,360 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:14:35,360 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:14:35,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:14:35,360 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:14:35,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:35,362 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:35,362 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:35,362 INFO L185 Difference]: Start difference. First operand has 400 places, 841 transitions, 33565 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:14:35,362 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 846 transitions, 35249 flow [2021-04-29 04:14:40,517 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 846 transitions, 34187 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-04-29 04:14:40,545 INFO L241 Difference]: Finished difference. Result has 403 places, 840 transitions, 33533 flow [2021-04-29 04:14:40,546 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=32513, PETRI_DIFFERENCE_MINUEND_PLACES=394, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=841, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=541, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=33533, PETRI_PLACES=403, PETRI_TRANSITIONS=840} [2021-04-29 04:14:40,546 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 352 predicate places. [2021-04-29 04:14:40,546 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:14:40,546 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 403 places, 840 transitions, 33533 flow [2021-04-29 04:14:40,546 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 403 places, 840 transitions, 33533 flow [2021-04-29 04:14:40,563 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 402 places, 840 transitions, 33533 flow [2021-04-29 04:14:43,234 INFO L129 PetriNetUnfolder]: 0/7528 cut-off events. [2021-04-29 04:14:43,235 INFO L130 PetriNetUnfolder]: For 354899/358386 co-relation queries the response was YES. [2021-04-29 04:14:43,235 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51881 conditions, 7528 events. 0/7528 cut-off events. For 354899/358386 co-relation queries the response was YES. Maximal size of possible extension queue 1238. Compared 137924 event pairs, 0 based on Foata normal form. 3/7099 useless extension candidates. Maximal degree in co-relation 0. Up to 857 conditions per place. [2021-04-29 04:14:43,324 INFO L146 LiptonReduction]: Number of co-enabled transitions 4746 [2021-04-29 04:14:43,474 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:14:43,474 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:14:43,474 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2928 [2021-04-29 04:14:43,475 INFO L480 AbstractCegarLoop]: Abstraction has has 402 places, 840 transitions, 33533 flow [2021-04-29 04:14:43,475 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:43,475 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:14:43,475 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] [2021-04-29 04:14:43,475 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-04-29 04:14:43,475 INFO L428 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:14:43,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:14:43,476 INFO L82 PathProgramCache]: Analyzing trace with hash -908770736, now seen corresponding path program 62 times [2021-04-29 04:14:43,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:14:43,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930891435] [2021-04-29 04:14:43,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:14:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:14:43,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:43,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:14:43,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:43,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:14:43,502 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:14:43,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:14:43,514 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:14:43,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:14:43,531 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:14:43,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:14:43,557 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:14:43,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:14:43,588 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-04-29 04:14:43,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 04:14:43,630 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:14:43,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:14:43,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:14:43,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930891435] [2021-04-29 04:14:43,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:14:43,672 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:14:43,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682789869] [2021-04-29 04:14:43,673 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:14:43,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:14:43,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:14:43,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:14:43,674 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:14:43,675 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 840 transitions, 33533 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:43,675 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:14:43,675 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:14:43,676 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:14:50,171 INFO L129 PetriNetUnfolder]: 612/8680 cut-off events. [2021-04-29 04:14:50,172 INFO L130 PetriNetUnfolder]: For 427173/434484 co-relation queries the response was YES. [2021-04-29 04:14:50,280 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70791 conditions, 8680 events. 612/8680 cut-off events. For 427173/434484 co-relation queries the response was YES. Maximal size of possible extension queue 1331. Compared 149318 event pairs, 612 based on Foata normal form. 67/8307 useless extension candidates. Maximal degree in co-relation 70642. Up to 1541 conditions per place. [2021-04-29 04:14:50,305 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 287 selfloop transitions, 542 changer transitions 2/845 dead transitions. [2021-04-29 04:14:50,305 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 845 transitions, 35215 flow [2021-04-29 04:14:50,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:14:50,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:14:50,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:14:50,306 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:14:50,306 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:14:50,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:14:50,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:14:50,307 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:14:50,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:50,308 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:50,308 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:50,308 INFO L185 Difference]: Start difference. First operand has 402 places, 840 transitions, 33533 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:14:50,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 845 transitions, 35215 flow [2021-04-29 04:14:55,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 845 transitions, 34154 flow, removed 41 selfloop flow, removed 5 redundant places. [2021-04-29 04:14:55,792 INFO L241 Difference]: Finished difference. Result has 406 places, 838 transitions, 33442 flow [2021-04-29 04:14:55,793 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=32482, PETRI_DIFFERENCE_MINUEND_PLACES=397, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=840, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=542, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=33442, PETRI_PLACES=406, PETRI_TRANSITIONS=838} [2021-04-29 04:14:55,793 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 355 predicate places. [2021-04-29 04:14:55,793 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:14:55,794 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 406 places, 838 transitions, 33442 flow [2021-04-29 04:14:55,794 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 406 places, 838 transitions, 33442 flow [2021-04-29 04:14:55,807 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 405 places, 838 transitions, 33442 flow [2021-04-29 04:14:58,398 INFO L129 PetriNetUnfolder]: 0/7523 cut-off events. [2021-04-29 04:14:58,398 INFO L130 PetriNetUnfolder]: For 347612/351113 co-relation queries the response was YES. [2021-04-29 04:14:58,399 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51820 conditions, 7523 events. 0/7523 cut-off events. For 347612/351113 co-relation queries the response was YES. Maximal size of possible extension queue 1237. Compared 137632 event pairs, 0 based on Foata normal form. 2/7070 useless extension candidates. Maximal degree in co-relation 0. Up to 856 conditions per place. [2021-04-29 04:14:58,496 INFO L146 LiptonReduction]: Number of co-enabled transitions 4722 [2021-04-29 04:14:58,652 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:14:58,652 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:14:58,653 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2860 [2021-04-29 04:14:58,653 INFO L480 AbstractCegarLoop]: Abstraction has has 405 places, 838 transitions, 33442 flow [2021-04-29 04:14:58,653 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:58,653 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:14:58,653 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] [2021-04-29 04:14:58,653 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-04-29 04:14:58,653 INFO L428 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:14:58,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:14:58,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1502011940, now seen corresponding path program 63 times [2021-04-29 04:14:58,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:14:58,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882922622] [2021-04-29 04:14:58,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:14:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:14:58,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:58,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:14:58,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:58,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:14:58,674 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:14:58,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:14:58,687 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:14:58,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:14:58,706 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:14:58,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:14:58,737 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-04-29 04:14:58,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:14:58,788 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:14:58,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:14:58,835 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:14:58,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:14:58,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:14:58,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882922622] [2021-04-29 04:14:58,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:14:58,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:14:58,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271337133] [2021-04-29 04:14:58,882 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:14:58,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:14:58,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:14:58,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:14:58,883 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:14:58,883 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 838 transitions, 33442 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:58,884 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:14:58,884 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:14:58,884 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:15:05,406 INFO L129 PetriNetUnfolder]: 612/8675 cut-off events. [2021-04-29 04:15:05,406 INFO L130 PetriNetUnfolder]: For 422345/429656 co-relation queries the response was YES. [2021-04-29 04:15:05,491 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70676 conditions, 8675 events. 612/8675 cut-off events. For 422345/429656 co-relation queries the response was YES. Maximal size of possible extension queue 1329. Compared 149208 event pairs, 612 based on Foata normal form. 67/8302 useless extension candidates. Maximal degree in co-relation 70527. Up to 1541 conditions per place. [2021-04-29 04:15:05,514 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 323 selfloop transitions, 520 changer transitions 2/859 dead transitions. [2021-04-29 04:15:05,514 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 859 transitions, 35865 flow [2021-04-29 04:15:05,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:15:05,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:15:05,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:15:05,516 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:15:05,516 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:15:05,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:15:05,516 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:15:05,516 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:15:05,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:05,518 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:05,518 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:05,518 INFO L185 Difference]: Start difference. First operand has 405 places, 838 transitions, 33442 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:15:05,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 859 transitions, 35865 flow [2021-04-29 04:15:10,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 859 transitions, 34844 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-04-29 04:15:10,786 INFO L241 Difference]: Finished difference. Result has 410 places, 840 transitions, 33595 flow [2021-04-29 04:15:10,787 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=32447, PETRI_DIFFERENCE_MINUEND_PLACES=400, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=838, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=517, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=318, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=33595, PETRI_PLACES=410, PETRI_TRANSITIONS=840} [2021-04-29 04:15:10,787 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 359 predicate places. [2021-04-29 04:15:10,787 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:15:10,787 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 410 places, 840 transitions, 33595 flow [2021-04-29 04:15:10,787 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 410 places, 840 transitions, 33595 flow [2021-04-29 04:15:10,800 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 409 places, 840 transitions, 33595 flow [2021-04-29 04:15:13,235 INFO L129 PetriNetUnfolder]: 0/7515 cut-off events. [2021-04-29 04:15:13,235 INFO L130 PetriNetUnfolder]: For 348228/351431 co-relation queries the response was YES. [2021-04-29 04:15:13,235 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51858 conditions, 7515 events. 0/7515 cut-off events. For 348228/351431 co-relation queries the response was YES. Maximal size of possible extension queue 1235. Compared 137562 event pairs, 0 based on Foata normal form. 2/7066 useless extension candidates. Maximal degree in co-relation 0. Up to 855 conditions per place. [2021-04-29 04:15:13,339 INFO L146 LiptonReduction]: Number of co-enabled transitions 4724 [2021-04-29 04:15:13,492 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:15:13,493 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:15:13,493 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2706 [2021-04-29 04:15:13,493 INFO L480 AbstractCegarLoop]: Abstraction has has 409 places, 840 transitions, 33595 flow [2021-04-29 04:15:13,493 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:13,493 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:15:13,493 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] [2021-04-29 04:15:13,494 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-04-29 04:15:13,494 INFO L428 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:15:13,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:15:13,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1171142516, now seen corresponding path program 64 times [2021-04-29 04:15:13,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:15:13,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931567526] [2021-04-29 04:15:13,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:15:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:15:13,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:13,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:15:13,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:13,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:15:13,516 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:15:13,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:15:13,527 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:15:13,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:15:13,542 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:15:13,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:15:13,567 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:15:13,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:15:13,635 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:15:13,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:15:13,681 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:15:13,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:15:13,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:15:13,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931567526] [2021-04-29 04:15:13,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:15:13,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:15:13,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822194843] [2021-04-29 04:15:13,727 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:15:13,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:15:13,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:15:13,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:15:13,729 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:15:13,729 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 840 transitions, 33595 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:13,729 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:15:13,729 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:15:13,730 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:15:19,576 INFO L129 PetriNetUnfolder]: 612/8667 cut-off events. [2021-04-29 04:15:19,576 INFO L130 PetriNetUnfolder]: For 418100/424647 co-relation queries the response was YES. [2021-04-29 04:15:19,665 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70711 conditions, 8667 events. 612/8667 cut-off events. For 418100/424647 co-relation queries the response was YES. Maximal size of possible extension queue 1327. Compared 149051 event pairs, 612 based on Foata normal form. 65/8292 useless extension candidates. Maximal degree in co-relation 70561. Up to 1541 conditions per place. [2021-04-29 04:15:19,688 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 316 selfloop transitions, 526 changer transitions 1/857 dead transitions. [2021-04-29 04:15:19,689 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 857 transitions, 35819 flow [2021-04-29 04:15:19,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:15:19,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:15:19,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:15:19,690 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:15:19,690 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:15:19,690 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:15:19,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:15:19,690 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:15:19,691 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:19,691 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:19,692 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:19,692 INFO L185 Difference]: Start difference. First operand has 409 places, 840 transitions, 33595 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:15:19,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 857 transitions, 35819 flow [2021-04-29 04:15:24,700 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 857 transitions, 34789 flow, removed 8 selfloop flow, removed 6 redundant places. [2021-04-29 04:15:24,726 INFO L241 Difference]: Finished difference. Result has 413 places, 851 transitions, 34168 flow [2021-04-29 04:15:24,727 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=32575, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=840, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=514, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=314, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=34168, PETRI_PLACES=413, PETRI_TRANSITIONS=851} [2021-04-29 04:15:24,727 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 362 predicate places. [2021-04-29 04:15:24,727 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:15:24,727 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 413 places, 851 transitions, 34168 flow [2021-04-29 04:15:24,727 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 413 places, 851 transitions, 34168 flow [2021-04-29 04:15:24,741 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 412 places, 851 transitions, 34168 flow [2021-04-29 04:15:27,386 INFO L129 PetriNetUnfolder]: 0/7511 cut-off events. [2021-04-29 04:15:27,387 INFO L130 PetriNetUnfolder]: For 345921/348997 co-relation queries the response was YES. [2021-04-29 04:15:27,387 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51932 conditions, 7511 events. 0/7511 cut-off events. For 345921/348997 co-relation queries the response was YES. Maximal size of possible extension queue 1234. Compared 137523 event pairs, 0 based on Foata normal form. 2/7063 useless extension candidates. Maximal degree in co-relation 0. Up to 854 conditions per place. [2021-04-29 04:15:27,493 INFO L146 LiptonReduction]: Number of co-enabled transitions 4762 [2021-04-29 04:15:27,647 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:15:27,648 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:15:27,648 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2921 [2021-04-29 04:15:27,648 INFO L480 AbstractCegarLoop]: Abstraction has has 412 places, 851 transitions, 34168 flow [2021-04-29 04:15:27,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:27,648 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:15:27,648 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:15:27,649 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-04-29 04:15:27,649 INFO L428 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:15:27,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:15:27,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1261556930, now seen corresponding path program 65 times [2021-04-29 04:15:27,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:15:27,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663964675] [2021-04-29 04:15:27,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:15:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:15:27,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:27,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:15:27,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:27,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:15:27,669 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:15:27,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:15:27,683 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:15:27,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:15:27,704 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:15:27,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:15:27,729 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:15:27,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:15:27,768 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:15:27,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:15:27,818 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:15:27,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:15:27,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:15:27,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663964675] [2021-04-29 04:15:27,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:15:27,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:15:27,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310500654] [2021-04-29 04:15:27,865 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:15:27,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:15:27,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:15:27,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:15:27,866 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:15:27,866 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 851 transitions, 34168 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:27,866 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:15:27,866 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:15:27,866 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:15:34,037 INFO L129 PetriNetUnfolder]: 612/8663 cut-off events. [2021-04-29 04:15:34,038 INFO L130 PetriNetUnfolder]: For 420885/427432 co-relation queries the response was YES. [2021-04-29 04:15:34,141 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70783 conditions, 8663 events. 612/8663 cut-off events. For 420885/427432 co-relation queries the response was YES. Maximal size of possible extension queue 1326. Compared 148924 event pairs, 612 based on Foata normal form. 65/8288 useless extension candidates. Maximal degree in co-relation 70632. Up to 1541 conditions per place. [2021-04-29 04:15:34,166 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 317 selfloop transitions, 524 changer transitions 1/856 dead transitions. [2021-04-29 04:15:34,166 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 420 places, 856 transitions, 35872 flow [2021-04-29 04:15:34,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:15:34,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:15:34,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:15:34,167 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:15:34,167 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:15:34,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:15:34,168 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:15:34,168 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:15:34,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:34,169 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:34,169 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:34,169 INFO L185 Difference]: Start difference. First operand has 412 places, 851 transitions, 34168 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:15:34,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 420 places, 856 transitions, 35872 flow [2021-04-29 04:15:39,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 415 places, 856 transitions, 34882 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-04-29 04:15:39,327 INFO L241 Difference]: Finished difference. Result has 416 places, 850 transitions, 34184 flow [2021-04-29 04:15:39,328 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=33188, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=851, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=524, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=34184, PETRI_PLACES=416, PETRI_TRANSITIONS=850} [2021-04-29 04:15:39,328 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 365 predicate places. [2021-04-29 04:15:39,329 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:15:39,329 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 416 places, 850 transitions, 34184 flow [2021-04-29 04:15:39,329 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 416 places, 850 transitions, 34184 flow [2021-04-29 04:15:39,342 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 415 places, 850 transitions, 34184 flow [2021-04-29 04:15:41,867 INFO L129 PetriNetUnfolder]: 0/7506 cut-off events. [2021-04-29 04:15:41,867 INFO L130 PetriNetUnfolder]: For 350633/353763 co-relation queries the response was YES. [2021-04-29 04:15:41,867 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52049 conditions, 7506 events. 0/7506 cut-off events. For 350633/353763 co-relation queries the response was YES. Maximal size of possible extension queue 1234. Compared 137347 event pairs, 0 based on Foata normal form. 2/7063 useless extension candidates. Maximal degree in co-relation 0. Up to 853 conditions per place. [2021-04-29 04:15:41,965 INFO L146 LiptonReduction]: Number of co-enabled transitions 4754 [2021-04-29 04:15:42,121 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:15:42,121 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:15:42,122 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2793 [2021-04-29 04:15:42,122 INFO L480 AbstractCegarLoop]: Abstraction has has 415 places, 850 transitions, 34184 flow [2021-04-29 04:15:42,122 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:42,122 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:15:42,122 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:15:42,122 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-04-29 04:15:42,122 INFO L428 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:15:42,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:15:42,123 INFO L82 PathProgramCache]: Analyzing trace with hash -9941032, now seen corresponding path program 66 times [2021-04-29 04:15:42,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:15:42,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124307203] [2021-04-29 04:15:42,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:15:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:15:42,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:42,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:15:42,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:42,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:15:42,147 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:15:42,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:15:42,158 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:15:42,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:15:42,174 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:15:42,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:15:42,203 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:15:42,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:15:42,241 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:15:42,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:15:42,289 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:15:42,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:15:42,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:15:42,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124307203] [2021-04-29 04:15:42,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:15:42,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:15:42,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626971949] [2021-04-29 04:15:42,338 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:15:42,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:15:42,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:15:42,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:15:42,339 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:15:42,339 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 415 places, 850 transitions, 34184 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:42,339 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:15:42,339 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:15:42,340 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:15:48,880 INFO L129 PetriNetUnfolder]: 612/8658 cut-off events. [2021-04-29 04:15:48,880 INFO L130 PetriNetUnfolder]: For 420675/427226 co-relation queries the response was YES. [2021-04-29 04:15:48,990 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70898 conditions, 8658 events. 612/8658 cut-off events. For 420675/427226 co-relation queries the response was YES. Maximal size of possible extension queue 1325. Compared 148866 event pairs, 612 based on Foata normal form. 67/8286 useless extension candidates. Maximal degree in co-relation 70747. Up to 1541 conditions per place. [2021-04-29 04:15:49,016 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 329 selfloop transitions, 511 changer transitions 1/855 dead transitions. [2021-04-29 04:15:49,016 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 855 transitions, 35886 flow [2021-04-29 04:15:49,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:15:49,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:15:49,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:15:49,018 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:15:49,018 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:15:49,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:15:49,018 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:15:49,018 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:15:49,019 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:49,020 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:49,021 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:49,021 INFO L185 Difference]: Start difference. First operand has 415 places, 850 transitions, 34184 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:15:49,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 423 places, 855 transitions, 35886 flow [2021-04-29 04:15:53,932 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 855 transitions, 34848 flow, removed 9 selfloop flow, removed 6 redundant places. [2021-04-29 04:15:53,958 INFO L241 Difference]: Finished difference. Result has 418 places, 849 transitions, 34121 flow [2021-04-29 04:15:53,959 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=33156, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=850, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=511, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=339, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=34121, PETRI_PLACES=418, PETRI_TRANSITIONS=849} [2021-04-29 04:15:53,959 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 367 predicate places. [2021-04-29 04:15:53,959 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:15:53,959 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 418 places, 849 transitions, 34121 flow [2021-04-29 04:15:53,960 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 418 places, 849 transitions, 34121 flow [2021-04-29 04:15:53,974 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 417 places, 849 transitions, 34121 flow [2021-04-29 04:15:56,430 INFO L129 PetriNetUnfolder]: 0/7499 cut-off events. [2021-04-29 04:15:56,430 INFO L130 PetriNetUnfolder]: For 350175/353191 co-relation queries the response was YES. [2021-04-29 04:15:56,430 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52030 conditions, 7499 events. 0/7499 cut-off events. For 350175/353191 co-relation queries the response was YES. Maximal size of possible extension queue 1232. Compared 137202 event pairs, 0 based on Foata normal form. 2/7050 useless extension candidates. Maximal degree in co-relation 0. Up to 852 conditions per place. [2021-04-29 04:15:56,534 INFO L146 LiptonReduction]: Number of co-enabled transitions 4750 [2021-04-29 04:15:56,693 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:15:56,693 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:15:56,694 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2735 [2021-04-29 04:15:56,694 INFO L480 AbstractCegarLoop]: Abstraction has has 417 places, 849 transitions, 34121 flow [2021-04-29 04:15:56,694 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:56,694 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:15:56,694 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:15:56,694 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-04-29 04:15:56,695 INFO L428 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:15:56,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:15:56,695 INFO L82 PathProgramCache]: Analyzing trace with hash -420133374, now seen corresponding path program 67 times [2021-04-29 04:15:56,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:15:56,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385859652] [2021-04-29 04:15:56,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:15:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:15:56,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:56,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:15:56,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:56,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:15:56,718 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:15:56,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:15:56,735 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:15:56,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:15:56,753 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:15:56,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:15:56,790 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-04-29 04:15:56,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 04:15:56,840 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:15:56,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:15:56,890 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:15:56,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:15:56,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:15:56,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385859652] [2021-04-29 04:15:56,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:15:56,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:15:56,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415943975] [2021-04-29 04:15:56,936 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:15:56,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:15:56,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:15:56,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:15:56,937 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:15:56,938 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 849 transitions, 34121 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:56,938 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:15:56,938 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:15:56,938 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:16:03,404 INFO L129 PetriNetUnfolder]: 594/8861 cut-off events. [2021-04-29 04:16:03,404 INFO L130 PetriNetUnfolder]: For 426176/432447 co-relation queries the response was YES. [2021-04-29 04:16:03,488 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72040 conditions, 8861 events. 594/8861 cut-off events. For 426176/432447 co-relation queries the response was YES. Maximal size of possible extension queue 1361. Compared 153605 event pairs, 549 based on Foata normal form. 55/8451 useless extension candidates. Maximal degree in co-relation 71889. Up to 1615 conditions per place. [2021-04-29 04:16:03,512 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 439 selfloop transitions, 446 changer transitions 2/901 dead transitions. [2021-04-29 04:16:03,512 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 901 transitions, 37900 flow [2021-04-29 04:16:03,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:16:03,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:16:03,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:16:03,513 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:16:03,513 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:16:03,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:16:03,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:16:03,514 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:16:03,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:03,515 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:03,515 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:03,515 INFO L185 Difference]: Start difference. First operand has 417 places, 849 transitions, 34121 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:16:03,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 901 transitions, 37900 flow [2021-04-29 04:16:08,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 420 places, 901 transitions, 37096 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-04-29 04:16:08,687 INFO L241 Difference]: Finished difference. Result has 425 places, 870 transitions, 35437 flow [2021-04-29 04:16:08,688 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=33339, PETRI_DIFFERENCE_MINUEND_PLACES=412, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=849, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=425, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=35437, PETRI_PLACES=425, PETRI_TRANSITIONS=870} [2021-04-29 04:16:08,688 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 374 predicate places. [2021-04-29 04:16:08,688 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:16:08,688 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 425 places, 870 transitions, 35437 flow [2021-04-29 04:16:08,688 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 425 places, 870 transitions, 35437 flow [2021-04-29 04:16:08,702 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 424 places, 870 transitions, 35437 flow [2021-04-29 04:16:11,545 INFO L129 PetriNetUnfolder]: 0/7715 cut-off events. [2021-04-29 04:16:11,545 INFO L130 PetriNetUnfolder]: For 376720/379785 co-relation queries the response was YES. [2021-04-29 04:16:11,545 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54620 conditions, 7715 events. 0/7715 cut-off events. For 376720/379785 co-relation queries the response was YES. Maximal size of possible extension queue 1270. Compared 141711 event pairs, 0 based on Foata normal form. 10/7280 useless extension candidates. Maximal degree in co-relation 0. Up to 879 conditions per place. [2021-04-29 04:16:11,633 INFO L146 LiptonReduction]: Number of co-enabled transitions 4916 [2021-04-29 04:16:11,798 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:16:11,799 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:16:11,799 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3111 [2021-04-29 04:16:11,799 INFO L480 AbstractCegarLoop]: Abstraction has has 424 places, 870 transitions, 35437 flow [2021-04-29 04:16:11,799 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:11,799 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:16:11,799 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] [2021-04-29 04:16:11,800 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-04-29 04:16:11,800 INFO L428 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:16:11,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:16:11,800 INFO L82 PathProgramCache]: Analyzing trace with hash -579535350, now seen corresponding path program 68 times [2021-04-29 04:16:11,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:16:11,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740952771] [2021-04-29 04:16:11,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:16:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:16:11,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:11,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:16:11,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:11,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:16:11,822 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:16:11,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:16:11,833 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:16:11,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:16:11,849 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:16:11,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:16:11,870 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:16:11,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:16:11,905 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:16:11,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:16:11,954 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:16:11,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:16:12,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:16:12,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740952771] [2021-04-29 04:16:12,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:16:12,000 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:16:12,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378683999] [2021-04-29 04:16:12,001 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:16:12,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:16:12,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:16:12,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:16:12,003 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:16:12,003 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 870 transitions, 35437 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:12,003 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:16:12,004 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:16:12,004 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:16:14,578 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 26 [2021-04-29 04:16:18,839 INFO L129 PetriNetUnfolder]: 558/9137 cut-off events. [2021-04-29 04:16:18,839 INFO L130 PetriNetUnfolder]: For 450378/456662 co-relation queries the response was YES. [2021-04-29 04:16:18,969 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74554 conditions, 9137 events. 558/9137 cut-off events. For 450378/456662 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 160029 event pairs, 522 based on Foata normal form. 55/8722 useless extension candidates. Maximal degree in co-relation 74400. Up to 1747 conditions per place. [2021-04-29 04:16:18,995 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 561 selfloop transitions, 420 changer transitions 2/997 dead transitions. [2021-04-29 04:16:18,995 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 997 transitions, 42492 flow [2021-04-29 04:16:18,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:16:18,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:16:18,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:16:18,996 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:16:18,996 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:16:18,996 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:16:18,996 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:16:18,997 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:16:18,997 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:18,998 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:18,998 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:18,998 INFO L185 Difference]: Start difference. First operand has 424 places, 870 transitions, 35437 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:16:18,998 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 997 transitions, 42492 flow [2021-04-29 04:16:24,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 997 transitions, 41740 flow, removed 34 selfloop flow, removed 5 redundant places. [2021-04-29 04:16:24,884 INFO L241 Difference]: Finished difference. Result has 432 places, 893 transitions, 36806 flow [2021-04-29 04:16:24,885 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=34730, PETRI_DIFFERENCE_MINUEND_PLACES=419, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=870, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=397, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=450, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=36806, PETRI_PLACES=432, PETRI_TRANSITIONS=893} [2021-04-29 04:16:24,885 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 381 predicate places. [2021-04-29 04:16:24,885 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:16:24,885 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 432 places, 893 transitions, 36806 flow [2021-04-29 04:16:24,885 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 432 places, 893 transitions, 36806 flow [2021-04-29 04:16:24,900 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 431 places, 893 transitions, 36806 flow [2021-04-29 04:16:27,725 INFO L129 PetriNetUnfolder]: 0/8083 cut-off events. [2021-04-29 04:16:27,725 INFO L130 PetriNetUnfolder]: For 412954/415796 co-relation queries the response was YES. [2021-04-29 04:16:27,725 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58518 conditions, 8083 events. 0/8083 cut-off events. For 412954/415796 co-relation queries the response was YES. Maximal size of possible extension queue 1337. Compared 149581 event pairs, 0 based on Foata normal form. 5/7630 useless extension candidates. Maximal degree in co-relation 0. Up to 926 conditions per place. [2021-04-29 04:16:27,840 INFO L146 LiptonReduction]: Number of co-enabled transitions 5090 [2021-04-29 04:16:28,347 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:16:28,348 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:16:28,348 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3463 [2021-04-29 04:16:28,348 INFO L480 AbstractCegarLoop]: Abstraction has has 431 places, 893 transitions, 36806 flow [2021-04-29 04:16:28,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:28,348 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:16:28,349 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] [2021-04-29 04:16:28,349 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-04-29 04:16:28,349 INFO L428 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:16:28,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:16:28,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1056600228, now seen corresponding path program 69 times [2021-04-29 04:16:28,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:16:28,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148248861] [2021-04-29 04:16:28,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:16:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:16:28,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:28,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:16:28,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:28,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:16:28,395 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:16:28,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:16:28,405 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:16:28,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:16:28,421 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:16:28,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:16:28,463 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-04-29 04:16:28,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 04:16:28,522 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:16:28,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:16:28,571 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:16:28,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:16:28,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:16:28,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148248861] [2021-04-29 04:16:28,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:16:28,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:16:28,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774838834] [2021-04-29 04:16:28,618 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:16:28,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:16:28,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:16:28,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:16:28,619 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:16:28,619 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 431 places, 893 transitions, 36806 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:28,619 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:16:28,619 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:16:28,619 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:16:35,734 INFO L129 PetriNetUnfolder]: 558/9133 cut-off events. [2021-04-29 04:16:35,734 INFO L130 PetriNetUnfolder]: For 463770/469808 co-relation queries the response was YES. [2021-04-29 04:16:35,854 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75539 conditions, 9133 events. 558/9133 cut-off events. For 463770/469808 co-relation queries the response was YES. Maximal size of possible extension queue 1416. Compared 160037 event pairs, 549 based on Foata normal form. 55/8686 useless extension candidates. Maximal degree in co-relation 75382. Up to 1619 conditions per place. [2021-04-29 04:16:35,880 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 423 selfloop transitions, 499 changer transitions 2/938 dead transitions. [2021-04-29 04:16:35,880 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 439 places, 938 transitions, 40409 flow [2021-04-29 04:16:35,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:16:35,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:16:35,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:16:35,881 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:16:35,881 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:16:35,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:16:35,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:16:35,882 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:16:35,882 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:35,883 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:35,883 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:35,883 INFO L185 Difference]: Start difference. First operand has 431 places, 893 transitions, 36806 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:16:35,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 439 places, 938 transitions, 40409 flow [2021-04-29 04:16:42,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 434 places, 938 transitions, 39654 flow, removed 43 selfloop flow, removed 5 redundant places. [2021-04-29 04:16:42,217 INFO L241 Difference]: Finished difference. Result has 437 places, 903 transitions, 37741 flow [2021-04-29 04:16:42,218 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=36086, PETRI_DIFFERENCE_MINUEND_PLACES=426, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=893, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=488, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=37741, PETRI_PLACES=437, PETRI_TRANSITIONS=903} [2021-04-29 04:16:42,218 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 386 predicate places. [2021-04-29 04:16:42,219 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:16:42,219 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 437 places, 903 transitions, 37741 flow [2021-04-29 04:16:42,219 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 437 places, 903 transitions, 37741 flow [2021-04-29 04:16:42,234 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 436 places, 903 transitions, 37741 flow [2021-04-29 04:16:45,115 INFO L129 PetriNetUnfolder]: 0/8075 cut-off events. [2021-04-29 04:16:45,115 INFO L130 PetriNetUnfolder]: For 421448/424283 co-relation queries the response was YES. [2021-04-29 04:16:45,115 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59165 conditions, 8075 events. 0/8075 cut-off events. For 421448/424283 co-relation queries the response was YES. Maximal size of possible extension queue 1336. Compared 149451 event pairs, 0 based on Foata normal form. 5/7611 useless extension candidates. Maximal degree in co-relation 0. Up to 925 conditions per place. [2021-04-29 04:16:45,232 INFO L146 LiptonReduction]: Number of co-enabled transitions 5218 [2021-04-29 04:16:45,410 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:16:45,410 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:16:45,410 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3191 [2021-04-29 04:16:45,410 INFO L480 AbstractCegarLoop]: Abstraction has has 436 places, 903 transitions, 37741 flow [2021-04-29 04:16:45,411 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:45,411 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:16:45,411 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] [2021-04-29 04:16:45,411 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-04-29 04:16:45,411 INFO L428 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:16:45,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:16:45,412 INFO L82 PathProgramCache]: Analyzing trace with hash 543901756, now seen corresponding path program 70 times [2021-04-29 04:16:45,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:16:45,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903999268] [2021-04-29 04:16:45,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:16:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:16:45,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:45,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:16:45,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:45,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:16:45,434 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:16:45,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:16:45,444 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:16:45,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:16:45,465 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:16:45,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:16:45,498 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:16:45,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:16:45,534 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:16:45,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:16:45,585 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:16:45,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:16:45,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:16:45,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903999268] [2021-04-29 04:16:45,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:16:45,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:16:45,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070931868] [2021-04-29 04:16:45,631 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:16:45,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:16:45,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:16:45,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:16:45,631 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:16:45,632 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 436 places, 903 transitions, 37741 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:45,632 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:16:45,632 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:16:45,632 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:16:52,694 INFO L129 PetriNetUnfolder]: 558/9123 cut-off events. [2021-04-29 04:16:52,695 INFO L130 PetriNetUnfolder]: For 473027/479047 co-relation queries the response was YES. [2021-04-29 04:16:52,810 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76226 conditions, 9123 events. 558/9123 cut-off events. For 473027/479047 co-relation queries the response was YES. Maximal size of possible extension queue 1415. Compared 159837 event pairs, 558 based on Foata normal form. 55/8711 useless extension candidates. Maximal degree in co-relation 76068. Up to 1619 conditions per place. [2021-04-29 04:16:52,835 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 430 selfloop transitions, 478 changer transitions 2/924 dead transitions. [2021-04-29 04:16:52,835 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 924 transitions, 40312 flow [2021-04-29 04:16:52,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:16:52,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:16:52,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:16:52,837 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:16:52,837 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:16:52,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:16:52,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:16:52,837 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:16:52,838 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:52,839 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:52,839 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:52,839 INFO L185 Difference]: Start difference. First operand has 436 places, 903 transitions, 37741 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:16:52,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 924 transitions, 40312 flow [2021-04-29 04:16:59,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 439 places, 924 transitions, 39383 flow, removed 66 selfloop flow, removed 5 redundant places. [2021-04-29 04:16:59,115 INFO L241 Difference]: Finished difference. Result has 441 places, 908 transitions, 38105 flow [2021-04-29 04:16:59,116 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=36822, PETRI_DIFFERENCE_MINUEND_PLACES=431, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=903, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=471, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=38105, PETRI_PLACES=441, PETRI_TRANSITIONS=908} [2021-04-29 04:16:59,116 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 390 predicate places. [2021-04-29 04:16:59,116 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:16:59,117 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 441 places, 908 transitions, 38105 flow [2021-04-29 04:16:59,117 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 441 places, 908 transitions, 38105 flow [2021-04-29 04:16:59,132 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 440 places, 908 transitions, 38105 flow [2021-04-29 04:17:02,127 INFO L129 PetriNetUnfolder]: 0/8068 cut-off events. [2021-04-29 04:17:02,128 INFO L130 PetriNetUnfolder]: For 415157/417978 co-relation queries the response was YES. [2021-04-29 04:17:02,128 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59158 conditions, 8068 events. 0/8068 cut-off events. For 415157/417978 co-relation queries the response was YES. Maximal size of possible extension queue 1335. Compared 149260 event pairs, 0 based on Foata normal form. 5/7616 useless extension candidates. Maximal degree in co-relation 0. Up to 924 conditions per place. [2021-04-29 04:17:02,239 INFO L146 LiptonReduction]: Number of co-enabled transitions 5276 [2021-04-29 04:17:02,416 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:17:02,416 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:17:02,416 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3300 [2021-04-29 04:17:02,417 INFO L480 AbstractCegarLoop]: Abstraction has has 440 places, 908 transitions, 38105 flow [2021-04-29 04:17:02,417 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:02,417 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:17:02,417 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:17:02,418 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-04-29 04:17:02,418 INFO L428 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:17:02,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:17:02,418 INFO L82 PathProgramCache]: Analyzing trace with hash 2110304440, now seen corresponding path program 71 times [2021-04-29 04:17:02,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:17:02,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113041618] [2021-04-29 04:17:02,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:17:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:17:02,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:17:02,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:17:02,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:17:02,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:17:02,438 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:17:02,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:17:02,453 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:17:02,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:17:02,475 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:17:02,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:17:02,501 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-04-29 04:17:02,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 04:17:02,553 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:17:02,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:17:02,600 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:17:02,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:17:02,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:17:02,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113041618] [2021-04-29 04:17:02,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:17:02,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:17:02,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276616117] [2021-04-29 04:17:02,647 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:17:02,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:17:02,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:17:02,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:17:02,649 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:17:02,649 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 908 transitions, 38105 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:02,649 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:17:02,649 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:17:02,649 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:17:09,942 INFO L129 PetriNetUnfolder]: 558/9116 cut-off events. [2021-04-29 04:17:09,942 INFO L130 PetriNetUnfolder]: For 463888/469911 co-relation queries the response was YES. [2021-04-29 04:17:10,043 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76129 conditions, 9116 events. 558/9116 cut-off events. For 463888/469911 co-relation queries the response was YES. Maximal size of possible extension queue 1414. Compared 159579 event pairs, 558 based on Foata normal form. 55/8705 useless extension candidates. Maximal degree in co-relation 75971. Up to 1619 conditions per place. [2021-04-29 04:17:10,067 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 426 selfloop transitions, 480 changer transitions 2/922 dead transitions. [2021-04-29 04:17:10,067 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 448 places, 922 transitions, 40320 flow [2021-04-29 04:17:10,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:17:10,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:17:10,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:17:10,069 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:17:10,069 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:17:10,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:17:10,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:17:10,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:17:10,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:10,070 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:10,070 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:10,070 INFO L185 Difference]: Start difference. First operand has 440 places, 908 transitions, 38105 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:17:10,070 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 448 places, 922 transitions, 40320 flow [2021-04-29 04:17:16,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 443 places, 922 transitions, 39382 flow, removed 34 selfloop flow, removed 5 redundant places. [2021-04-29 04:17:16,326 INFO L241 Difference]: Finished difference. Result has 444 places, 906 transitions, 38035 flow [2021-04-29 04:17:16,327 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=37177, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=908, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=480, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=428, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=38035, PETRI_PLACES=444, PETRI_TRANSITIONS=906} [2021-04-29 04:17:16,327 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 393 predicate places. [2021-04-29 04:17:16,327 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:17:16,327 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 444 places, 906 transitions, 38035 flow [2021-04-29 04:17:16,328 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 444 places, 906 transitions, 38035 flow [2021-04-29 04:17:16,342 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 443 places, 906 transitions, 38035 flow [2021-04-29 04:17:19,293 INFO L129 PetriNetUnfolder]: 0/8061 cut-off events. [2021-04-29 04:17:19,293 INFO L130 PetriNetUnfolder]: For 410753/413560 co-relation queries the response was YES. [2021-04-29 04:17:19,293 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59187 conditions, 8061 events. 0/8061 cut-off events. For 410753/413560 co-relation queries the response was YES. Maximal size of possible extension queue 1334. Compared 149029 event pairs, 0 based on Foata normal form. 5/7601 useless extension candidates. Maximal degree in co-relation 0. Up to 923 conditions per place. [2021-04-29 04:17:19,400 INFO L146 LiptonReduction]: Number of co-enabled transitions 5264 [2021-04-29 04:17:19,580 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:17:19,580 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:17:19,580 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3253 [2021-04-29 04:17:19,581 INFO L480 AbstractCegarLoop]: Abstraction has has 443 places, 906 transitions, 38035 flow [2021-04-29 04:17:19,581 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:19,581 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:17:19,581 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] [2021-04-29 04:17:19,581 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-04-29 04:17:19,581 INFO L428 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:17:19,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:17:19,581 INFO L82 PathProgramCache]: Analyzing trace with hash -736602682, now seen corresponding path program 72 times [2021-04-29 04:17:19,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:17:19,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927243618] [2021-04-29 04:17:19,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:17:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:17:19,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:17:19,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:17:19,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:17:19,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:17:19,606 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:17:19,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:17:19,622 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:17:19,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:17:19,639 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:17:19,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:17:19,662 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:17:19,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:17:19,694 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-04-29 04:17:19,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 04:17:19,734 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:17:19,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:17:19,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:17:19,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927243618] [2021-04-29 04:17:19,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:17:19,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:17:19,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259766981] [2021-04-29 04:17:19,778 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:17:19,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:17:19,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:17:19,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:17:19,779 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:17:19,780 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 906 transitions, 38035 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:19,780 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:17:19,780 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:17:19,780 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:17:27,318 INFO L129 PetriNetUnfolder]: 558/9109 cut-off events. [2021-04-29 04:17:27,318 INFO L130 PetriNetUnfolder]: For 462155/468178 co-relation queries the response was YES. [2021-04-29 04:17:27,412 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76155 conditions, 9109 events. 558/9109 cut-off events. For 462155/468178 co-relation queries the response was YES. Maximal size of possible extension queue 1413. Compared 159474 event pairs, 558 based on Foata normal form. 55/8698 useless extension candidates. Maximal degree in co-relation 75997. Up to 1619 conditions per place. [2021-04-29 04:17:27,435 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 416 selfloop transitions, 489 changer transitions 1/920 dead transitions. [2021-04-29 04:17:27,436 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 451 places, 920 transitions, 40246 flow [2021-04-29 04:17:27,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:17:27,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:17:27,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:17:27,437 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:17:27,437 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:17:27,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:17:27,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:17:27,437 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:17:27,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:27,439 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:27,439 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:27,439 INFO L185 Difference]: Start difference. First operand has 443 places, 906 transitions, 38035 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:17:27,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 451 places, 920 transitions, 40246 flow [2021-04-29 04:17:34,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 920 transitions, 39299 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-04-29 04:17:34,296 INFO L241 Difference]: Finished difference. Result has 446 places, 905 transitions, 38019 flow [2021-04-29 04:17:34,297 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=37098, PETRI_DIFFERENCE_MINUEND_PLACES=437, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=906, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=489, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=417, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=38019, PETRI_PLACES=446, PETRI_TRANSITIONS=905} [2021-04-29 04:17:34,297 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 395 predicate places. [2021-04-29 04:17:34,297 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:17:34,297 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 446 places, 905 transitions, 38019 flow [2021-04-29 04:17:34,298 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 446 places, 905 transitions, 38019 flow [2021-04-29 04:17:34,313 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 445 places, 905 transitions, 38019 flow [2021-04-29 04:17:37,302 INFO L129 PetriNetUnfolder]: 0/8058 cut-off events. [2021-04-29 04:17:37,303 INFO L130 PetriNetUnfolder]: For 412737/415505 co-relation queries the response was YES. [2021-04-29 04:17:37,303 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59191 conditions, 8058 events. 0/8058 cut-off events. For 412737/415505 co-relation queries the response was YES. Maximal size of possible extension queue 1333. Compared 149009 event pairs, 0 based on Foata normal form. 5/7596 useless extension candidates. Maximal degree in co-relation 0. Up to 923 conditions per place. [2021-04-29 04:17:37,406 INFO L146 LiptonReduction]: Number of co-enabled transitions 5252 [2021-04-29 04:17:37,576 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:17:37,577 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:17:37,577 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3280 [2021-04-29 04:17:37,577 INFO L480 AbstractCegarLoop]: Abstraction has has 445 places, 905 transitions, 38019 flow [2021-04-29 04:17:37,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:37,577 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:17:37,577 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:17:37,577 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-04-29 04:17:37,577 INFO L428 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:17:37,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:17:37,578 INFO L82 PathProgramCache]: Analyzing trace with hash 771504510, now seen corresponding path program 73 times [2021-04-29 04:17:37,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:17:37,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602568231] [2021-04-29 04:17:37,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:17:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:17:37,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:17:37,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:17:37,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:17:37,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:17:37,603 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:17:37,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:17:37,614 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:17:37,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:17:37,636 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:17:37,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:17:37,665 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:17:37,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:17:37,705 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:17:37,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:17:37,753 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:17:37,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:17:37,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:17:37,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602568231] [2021-04-29 04:17:37,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:17:37,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:17:37,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169090055] [2021-04-29 04:17:37,802 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:17:37,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:17:37,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:17:37,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:17:37,803 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:17:37,804 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 905 transitions, 38019 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:37,804 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:17:37,804 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:17:37,804 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:17:45,408 INFO L129 PetriNetUnfolder]: 558/9106 cut-off events. [2021-04-29 04:17:45,408 INFO L130 PetriNetUnfolder]: For 461925/467948 co-relation queries the response was YES. [2021-04-29 04:17:45,502 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76157 conditions, 9106 events. 558/9106 cut-off events. For 461925/467948 co-relation queries the response was YES. Maximal size of possible extension queue 1411. Compared 159477 event pairs, 558 based on Foata normal form. 55/8695 useless extension candidates. Maximal degree in co-relation 75999. Up to 1619 conditions per place. [2021-04-29 04:17:45,526 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 415 selfloop transitions, 488 changer transitions 2/919 dead transitions. [2021-04-29 04:17:45,526 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 919 transitions, 40228 flow [2021-04-29 04:17:45,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:17:45,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:17:45,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:17:45,527 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:17:45,527 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:17:45,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:17:45,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:17:45,528 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:17:45,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:45,529 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:45,529 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:45,529 INFO L185 Difference]: Start difference. First operand has 445 places, 905 transitions, 38019 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:17:45,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 919 transitions, 40228 flow [2021-04-29 04:17:51,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 919 transitions, 39221 flow, removed 26 selfloop flow, removed 6 redundant places. [2021-04-29 04:17:51,899 INFO L241 Difference]: Finished difference. Result has 448 places, 903 transitions, 37892 flow [2021-04-29 04:17:51,900 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=37022, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=905, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=488, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=417, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=37892, PETRI_PLACES=448, PETRI_TRANSITIONS=903} [2021-04-29 04:17:51,900 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 397 predicate places. [2021-04-29 04:17:51,900 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:17:51,901 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 448 places, 903 transitions, 37892 flow [2021-04-29 04:17:51,901 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 448 places, 903 transitions, 37892 flow [2021-04-29 04:17:51,915 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 446 places, 903 transitions, 37892 flow [2021-04-29 04:17:54,859 INFO L129 PetriNetUnfolder]: 0/8048 cut-off events. [2021-04-29 04:17:54,859 INFO L130 PetriNetUnfolder]: For 404619/407385 co-relation queries the response was YES. [2021-04-29 04:17:54,859 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59187 conditions, 8048 events. 0/8048 cut-off events. For 404619/407385 co-relation queries the response was YES. Maximal size of possible extension queue 1332. Compared 148812 event pairs, 0 based on Foata normal form. 5/7589 useless extension candidates. Maximal degree in co-relation 0. Up to 921 conditions per place. [2021-04-29 04:17:54,955 INFO L146 LiptonReduction]: Number of co-enabled transitions 5230 [2021-04-29 04:17:55,136 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:17:55,137 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:17:55,137 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3237 [2021-04-29 04:17:55,137 INFO L480 AbstractCegarLoop]: Abstraction has has 446 places, 903 transitions, 37892 flow [2021-04-29 04:17:55,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:55,138 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:17:55,138 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] [2021-04-29 04:17:55,138 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-04-29 04:17:55,138 INFO L428 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:17:55,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:17:55,138 INFO L82 PathProgramCache]: Analyzing trace with hash 2112874144, now seen corresponding path program 74 times [2021-04-29 04:17:55,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:17:55,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512800694] [2021-04-29 04:17:55,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:17:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:17:55,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:17:55,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:17:55,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:17:55,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:17:55,160 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:17:55,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:17:55,175 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:17:55,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:17:55,192 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:17:55,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:17:55,245 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-04-29 04:17:55,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:17:55,309 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:17:55,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:17:55,358 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:17:55,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:17:55,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:17:55,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512800694] [2021-04-29 04:17:55,405 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:17:55,405 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:17:55,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404532899] [2021-04-29 04:17:55,405 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:17:55,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:17:55,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:17:55,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:17:55,406 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:17:55,407 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 903 transitions, 37892 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:55,407 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:17:55,407 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:17:55,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:18:02,901 INFO L129 PetriNetUnfolder]: 558/9096 cut-off events. [2021-04-29 04:18:02,901 INFO L130 PetriNetUnfolder]: For 457835/463854 co-relation queries the response was YES. [2021-04-29 04:18:03,044 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76148 conditions, 9096 events. 558/9096 cut-off events. For 457835/463854 co-relation queries the response was YES. Maximal size of possible extension queue 1410. Compared 159251 event pairs, 558 based on Foata normal form. 53/8684 useless extension candidates. Maximal degree in co-relation 75991. Up to 1619 conditions per place. [2021-04-29 04:18:03,070 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 383 selfloop transitions, 519 changer transitions 1/917 dead transitions. [2021-04-29 04:18:03,070 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 917 transitions, 40097 flow [2021-04-29 04:18:03,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:18:03,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:18:03,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:18:03,071 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:18:03,072 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:18:03,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:18:03,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:18:03,072 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:18:03,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:03,073 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:03,073 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:03,073 INFO L185 Difference]: Start difference. First operand has 446 places, 903 transitions, 37892 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:18:03,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 917 transitions, 40097 flow [2021-04-29 04:18:09,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 917 transitions, 39140 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-04-29 04:18:09,349 INFO L241 Difference]: Finished difference. Result has 450 places, 908 transitions, 38319 flow [2021-04-29 04:18:09,350 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=36945, PETRI_DIFFERENCE_MINUEND_PLACES=440, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=903, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=513, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=38319, PETRI_PLACES=450, PETRI_TRANSITIONS=908} [2021-04-29 04:18:09,350 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 399 predicate places. [2021-04-29 04:18:09,350 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:18:09,351 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 450 places, 908 transitions, 38319 flow [2021-04-29 04:18:09,351 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 450 places, 908 transitions, 38319 flow [2021-04-29 04:18:09,366 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 449 places, 908 transitions, 38319 flow [2021-04-29 04:18:12,185 INFO L129 PetriNetUnfolder]: 0/8044 cut-off events. [2021-04-29 04:18:12,185 INFO L130 PetriNetUnfolder]: For 412034/414900 co-relation queries the response was YES. [2021-04-29 04:18:12,185 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59270 conditions, 8044 events. 0/8044 cut-off events. For 412034/414900 co-relation queries the response was YES. Maximal size of possible extension queue 1332. Compared 148722 event pairs, 0 based on Foata normal form. 5/7588 useless extension candidates. Maximal degree in co-relation 0. Up to 920 conditions per place. [2021-04-29 04:18:12,611 INFO L146 LiptonReduction]: Number of co-enabled transitions 5276 [2021-04-29 04:18:12,804 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:18:12,804 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:18:12,804 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3454 [2021-04-29 04:18:12,804 INFO L480 AbstractCegarLoop]: Abstraction has has 449 places, 908 transitions, 38319 flow [2021-04-29 04:18:12,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:12,804 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:18:12,805 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] [2021-04-29 04:18:12,805 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-04-29 04:18:12,805 INFO L428 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:18:12,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:18:12,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1227707354, now seen corresponding path program 75 times [2021-04-29 04:18:12,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:18:12,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192465281] [2021-04-29 04:18:12,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:18:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:18:12,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:18:12,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:18:12,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:18:12,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:18:12,827 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:18:12,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:18:12,838 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:18:12,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:18:12,857 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:18:12,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:18:12,907 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-04-29 04:18:12,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:18:12,961 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:18:12,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:18:13,003 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:18:13,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:18:13,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:18:13,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192465281] [2021-04-29 04:18:13,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:18:13,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:18:13,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756139609] [2021-04-29 04:18:13,045 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:18:13,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:18:13,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:18:13,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:18:13,047 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:18:13,047 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 908 transitions, 38319 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:13,047 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:18:13,047 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:18:13,048 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:18:20,712 INFO L129 PetriNetUnfolder]: 558/9092 cut-off events. [2021-04-29 04:18:20,712 INFO L130 PetriNetUnfolder]: For 461241/467464 co-relation queries the response was YES. [2021-04-29 04:18:20,828 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76229 conditions, 9092 events. 558/9092 cut-off events. For 461241/467464 co-relation queries the response was YES. Maximal size of possible extension queue 1409. Compared 159164 event pairs, 558 based on Foata normal form. 55/8682 useless extension candidates. Maximal degree in co-relation 76071. Up to 1619 conditions per place. [2021-04-29 04:18:20,853 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 383 selfloop transitions, 518 changer transitions 1/916 dead transitions. [2021-04-29 04:18:20,853 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 457 places, 916 transitions, 40247 flow [2021-04-29 04:18:20,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:18:20,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:18:20,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:18:20,854 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:18:20,854 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:18:20,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:18:20,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:18:20,855 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:18:20,855 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:20,856 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:20,856 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:20,856 INFO L185 Difference]: Start difference. First operand has 449 places, 908 transitions, 38319 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:18:20,856 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 457 places, 916 transitions, 40247 flow [2021-04-29 04:18:27,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 916 transitions, 39268 flow, removed 35 selfloop flow, removed 5 redundant places. [2021-04-29 04:18:27,362 INFO L241 Difference]: Finished difference. Result has 453 places, 907 transitions, 38329 flow [2021-04-29 04:18:27,363 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=37350, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=908, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=518, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=390, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=38329, PETRI_PLACES=453, PETRI_TRANSITIONS=907} [2021-04-29 04:18:27,363 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 402 predicate places. [2021-04-29 04:18:27,363 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:18:27,364 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 453 places, 907 transitions, 38329 flow [2021-04-29 04:18:27,364 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 453 places, 907 transitions, 38329 flow [2021-04-29 04:18:27,379 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 452 places, 907 transitions, 38329 flow [2021-04-29 04:18:30,320 INFO L129 PetriNetUnfolder]: 0/8037 cut-off events. [2021-04-29 04:18:30,320 INFO L130 PetriNetUnfolder]: For 410905/413810 co-relation queries the response was YES. [2021-04-29 04:18:30,321 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59336 conditions, 8037 events. 0/8037 cut-off events. For 410905/413810 co-relation queries the response was YES. Maximal size of possible extension queue 1330. Compared 148568 event pairs, 0 based on Foata normal form. 5/7592 useless extension candidates. Maximal degree in co-relation 0. Up to 919 conditions per place. [2021-04-29 04:18:30,432 INFO L146 LiptonReduction]: Number of co-enabled transitions 5272 [2021-04-29 04:18:30,605 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:18:30,605 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:18:30,605 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3242 [2021-04-29 04:18:30,605 INFO L480 AbstractCegarLoop]: Abstraction has has 452 places, 907 transitions, 38329 flow [2021-04-29 04:18:30,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:30,606 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:18:30,606 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] [2021-04-29 04:18:30,606 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-04-29 04:18:30,606 INFO L428 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:18:30,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:18:30,606 INFO L82 PathProgramCache]: Analyzing trace with hash 135037656, now seen corresponding path program 76 times [2021-04-29 04:18:30,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:18:30,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8882607] [2021-04-29 04:18:30,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:18:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:18:30,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:18:30,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:18:30,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:18:30,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:18:30,627 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:18:30,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:18:30,641 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:18:30,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:18:30,663 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:18:30,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:18:30,713 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:18:30,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:18:30,753 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:18:30,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:18:30,801 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:18:30,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:18:30,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:18:30,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8882607] [2021-04-29 04:18:30,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:18:30,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:18:30,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873538745] [2021-04-29 04:18:30,847 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:18:30,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:18:30,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:18:30,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:18:30,848 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:18:30,848 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 907 transitions, 38329 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:30,848 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:18:30,848 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:18:30,848 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:18:38,103 INFO L129 PetriNetUnfolder]: 558/9085 cut-off events. [2021-04-29 04:18:38,103 INFO L130 PetriNetUnfolder]: For 459929/466152 co-relation queries the response was YES. [2021-04-29 04:18:38,199 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76293 conditions, 9085 events. 558/9085 cut-off events. For 459929/466152 co-relation queries the response was YES. Maximal size of possible extension queue 1409. Compared 158969 event pairs, 558 based on Foata normal form. 55/8675 useless extension candidates. Maximal degree in co-relation 76135. Up to 1619 conditions per place. [2021-04-29 04:18:38,223 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 386 selfloop transitions, 514 changer transitions 1/915 dead transitions. [2021-04-29 04:18:38,223 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 460 places, 915 transitions, 40255 flow [2021-04-29 04:18:38,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:18:38,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:18:38,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:18:38,225 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:18:38,225 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:18:38,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:18:38,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:18:38,225 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:18:38,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:38,226 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:38,226 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:38,226 INFO L185 Difference]: Start difference. First operand has 452 places, 907 transitions, 38329 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:18:38,227 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 460 places, 915 transitions, 40255 flow [2021-04-29 04:18:44,505 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 457 places, 915 transitions, 39863 flow, removed 8 selfloop flow, removed 3 redundant places. [2021-04-29 04:18:44,533 INFO L241 Difference]: Finished difference. Result has 458 places, 906 transitions, 38912 flow [2021-04-29 04:18:44,534 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=37947, PETRI_DIFFERENCE_MINUEND_PLACES=449, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=907, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=514, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=38912, PETRI_PLACES=458, PETRI_TRANSITIONS=906} [2021-04-29 04:18:44,534 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 407 predicate places. [2021-04-29 04:18:44,534 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:18:44,534 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 458 places, 906 transitions, 38912 flow [2021-04-29 04:18:44,535 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 458 places, 906 transitions, 38912 flow [2021-04-29 04:18:44,550 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 457 places, 906 transitions, 38912 flow [2021-04-29 04:18:47,558 INFO L129 PetriNetUnfolder]: 0/8033 cut-off events. [2021-04-29 04:18:47,558 INFO L130 PetriNetUnfolder]: For 417055/419960 co-relation queries the response was YES. [2021-04-29 04:18:47,558 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60176 conditions, 8033 events. 0/8033 cut-off events. For 417055/419960 co-relation queries the response was YES. Maximal size of possible extension queue 1329. Compared 148377 event pairs, 0 based on Foata normal form. 5/7590 useless extension candidates. Maximal degree in co-relation 0. Up to 918 conditions per place. [2021-04-29 04:18:47,666 INFO L146 LiptonReduction]: Number of co-enabled transitions 5262 [2021-04-29 04:18:47,841 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:18:47,841 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:18:47,842 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3308 [2021-04-29 04:18:47,842 INFO L480 AbstractCegarLoop]: Abstraction has has 457 places, 906 transitions, 38912 flow [2021-04-29 04:18:47,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:47,842 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:18:47,842 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] [2021-04-29 04:18:47,842 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-04-29 04:18:47,842 INFO L428 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:18:47,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:18:47,843 INFO L82 PathProgramCache]: Analyzing trace with hash 500380238, now seen corresponding path program 77 times [2021-04-29 04:18:47,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:18:47,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800796859] [2021-04-29 04:18:47,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:18:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:18:47,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:18:47,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:18:47,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:18:47,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:18:47,863 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:18:47,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:18:47,876 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:18:47,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:18:47,898 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:18:47,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:18:47,925 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:18:47,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:18:47,963 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:18:47,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:18:48,010 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:18:48,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:18:48,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:18:48,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800796859] [2021-04-29 04:18:48,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:18:48,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:18:48,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951142519] [2021-04-29 04:18:48,055 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:18:48,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:18:48,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:18:48,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:18:48,057 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:18:48,057 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 906 transitions, 38912 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:48,057 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:18:48,057 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:18:48,057 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:18:55,470 INFO L129 PetriNetUnfolder]: 558/9081 cut-off events. [2021-04-29 04:18:55,471 INFO L130 PetriNetUnfolder]: For 467258/473481 co-relation queries the response was YES. [2021-04-29 04:18:55,557 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77131 conditions, 9081 events. 558/9081 cut-off events. For 467258/473481 co-relation queries the response was YES. Maximal size of possible extension queue 1408. Compared 158843 event pairs, 558 based on Foata normal form. 55/8672 useless extension candidates. Maximal degree in co-relation 76973. Up to 1619 conditions per place. [2021-04-29 04:18:55,580 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 427 selfloop transitions, 471 changer transitions 2/914 dead transitions. [2021-04-29 04:18:55,580 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 914 transitions, 40836 flow [2021-04-29 04:18:55,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:18:55,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:18:55,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:18:55,582 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:18:55,582 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:18:55,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:18:55,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:18:55,582 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:18:55,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:55,583 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:55,583 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:55,583 INFO L185 Difference]: Start difference. First operand has 457 places, 906 transitions, 38912 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:18:55,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 465 places, 914 transitions, 40836 flow [2021-04-29 04:19:02,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 914 transitions, 39801 flow, removed 14 selfloop flow, removed 6 redundant places. [2021-04-29 04:19:02,072 INFO L241 Difference]: Finished difference. Result has 460 places, 904 transitions, 38720 flow [2021-04-29 04:19:02,073 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=37889, PETRI_DIFFERENCE_MINUEND_PLACES=451, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=906, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=471, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=38720, PETRI_PLACES=460, PETRI_TRANSITIONS=904} [2021-04-29 04:19:02,073 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 409 predicate places. [2021-04-29 04:19:02,074 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:02,074 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 460 places, 904 transitions, 38720 flow [2021-04-29 04:19:02,074 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 460 places, 904 transitions, 38720 flow [2021-04-29 04:19:02,089 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 459 places, 904 transitions, 38720 flow [2021-04-29 04:19:05,132 INFO L129 PetriNetUnfolder]: 0/8026 cut-off events. [2021-04-29 04:19:05,132 INFO L130 PetriNetUnfolder]: For 415998/418903 co-relation queries the response was YES. [2021-04-29 04:19:05,132 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60053 conditions, 8026 events. 0/8026 cut-off events. For 415998/418903 co-relation queries the response was YES. Maximal size of possible extension queue 1328. Compared 148265 event pairs, 0 based on Foata normal form. 5/7568 useless extension candidates. Maximal degree in co-relation 0. Up to 917 conditions per place. [2021-04-29 04:19:05,229 INFO L146 LiptonReduction]: Number of co-enabled transitions 5250 [2021-04-29 04:19:05,409 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:05,409 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:05,410 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3336 [2021-04-29 04:19:05,410 INFO L480 AbstractCegarLoop]: Abstraction has has 459 places, 904 transitions, 38720 flow [2021-04-29 04:19:05,410 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:05,410 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:05,410 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] [2021-04-29 04:19:05,410 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-04-29 04:19:05,410 INFO L428 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:19:05,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:05,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1721024658, now seen corresponding path program 78 times [2021-04-29 04:19:05,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:05,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128898558] [2021-04-29 04:19:05,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:05,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:05,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:05,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:05,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:05,432 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:19:05,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:05,445 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:19:05,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:19:05,466 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:19:05,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:19:05,518 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-04-29 04:19:05,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 04:19:05,574 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:19:05,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:19:05,620 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:19:05,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:19:05,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:05,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128898558] [2021-04-29 04:19:05,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:19:05,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:19:05,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695856532] [2021-04-29 04:19:05,668 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:19:05,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:05,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:19:05,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:19:05,669 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:19:05,670 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 459 places, 904 transitions, 38720 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:05,670 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:05,670 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:19:05,670 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:12,891 INFO L129 PetriNetUnfolder]: 558/9074 cut-off events. [2021-04-29 04:19:12,891 INFO L130 PetriNetUnfolder]: For 463267/469294 co-relation queries the response was YES. [2021-04-29 04:19:13,014 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76936 conditions, 9074 events. 558/9074 cut-off events. For 463267/469294 co-relation queries the response was YES. Maximal size of possible extension queue 1406. Compared 158774 event pairs, 558 based on Foata normal form. 55/8668 useless extension candidates. Maximal degree in co-relation 76778. Up to 1619 conditions per place. [2021-04-29 04:19:13,040 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 384 selfloop transitions, 512 changer transitions 2/912 dead transitions. [2021-04-29 04:19:13,041 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 467 places, 912 transitions, 40638 flow [2021-04-29 04:19:13,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:19:13,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:19:13,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:19:13,042 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:19:13,042 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:19:13,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:19:13,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:13,042 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:19:13,043 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:13,043 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:13,043 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:13,044 INFO L185 Difference]: Start difference. First operand has 459 places, 904 transitions, 38720 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:19:13,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 467 places, 912 transitions, 40638 flow [2021-04-29 04:19:19,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 462 places, 912 transitions, 39747 flow, removed 11 selfloop flow, removed 5 redundant places. [2021-04-29 04:19:19,570 INFO L241 Difference]: Finished difference. Result has 463 places, 902 transitions, 38766 flow [2021-04-29 04:19:19,571 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=37839, PETRI_DIFFERENCE_MINUEND_PLACES=454, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=904, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=512, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=392, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=38766, PETRI_PLACES=463, PETRI_TRANSITIONS=902} [2021-04-29 04:19:19,571 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 412 predicate places. [2021-04-29 04:19:19,571 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:19,571 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 463 places, 902 transitions, 38766 flow [2021-04-29 04:19:19,571 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 463 places, 902 transitions, 38766 flow [2021-04-29 04:19:19,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 462 places, 902 transitions, 38766 flow [2021-04-29 04:19:22,310 INFO L129 PetriNetUnfolder]: 0/8018 cut-off events. [2021-04-29 04:19:22,310 INFO L130 PetriNetUnfolder]: For 410597/413502 co-relation queries the response was YES. [2021-04-29 04:19:22,310 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60097 conditions, 8018 events. 0/8018 cut-off events. For 410597/413502 co-relation queries the response was YES. Maximal size of possible extension queue 1327. Compared 148152 event pairs, 0 based on Foata normal form. 5/7558 useless extension candidates. Maximal degree in co-relation 0. Up to 916 conditions per place. [2021-04-29 04:19:22,735 INFO L146 LiptonReduction]: Number of co-enabled transitions 5242 [2021-04-29 04:19:22,931 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:22,931 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:22,931 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3360 [2021-04-29 04:19:22,931 INFO L480 AbstractCegarLoop]: Abstraction has has 462 places, 902 transitions, 38766 flow [2021-04-29 04:19:22,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:22,931 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:22,932 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] [2021-04-29 04:19:22,932 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-04-29 04:19:22,932 INFO L428 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:19:22,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:22,932 INFO L82 PathProgramCache]: Analyzing trace with hash -445746806, now seen corresponding path program 79 times [2021-04-29 04:19:22,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:22,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213266973] [2021-04-29 04:19:22,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:22,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:22,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:22,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:22,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:22,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:22,952 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:19:22,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:22,966 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:19:22,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:19:22,989 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:19:22,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:19:23,040 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-04-29 04:19:23,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 04:19:23,100 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-04-29 04:19:23,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 04:19:23,152 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:19:23,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:19:23,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:23,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213266973] [2021-04-29 04:19:23,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:19:23,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:19:23,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136934824] [2021-04-29 04:19:23,199 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:19:23,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:23,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:19:23,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:19:23,200 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:19:23,200 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 462 places, 902 transitions, 38766 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:23,200 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:23,200 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:19:23,200 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:30,008 INFO L129 PetriNetUnfolder]: 558/9066 cut-off events. [2021-04-29 04:19:30,009 INFO L130 PetriNetUnfolder]: For 461895/467922 co-relation queries the response was YES. [2021-04-29 04:19:30,109 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76977 conditions, 9066 events. 558/9066 cut-off events. For 461895/467922 co-relation queries the response was YES. Maximal size of possible extension queue 1405. Compared 158595 event pairs, 558 based on Foata normal form. 55/8655 useless extension candidates. Maximal degree in co-relation 76819. Up to 1619 conditions per place. [2021-04-29 04:19:30,133 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 383 selfloop transitions, 511 changer transitions 2/910 dead transitions. [2021-04-29 04:19:30,134 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 470 places, 910 transitions, 40680 flow [2021-04-29 04:19:30,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:19:30,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:19:30,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:19:30,135 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:19:30,135 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:19:30,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:19:30,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:30,135 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:19:30,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:30,137 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:30,137 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:30,137 INFO L185 Difference]: Start difference. First operand has 462 places, 902 transitions, 38766 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:19:30,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 470 places, 910 transitions, 40680 flow [2021-04-29 04:19:36,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 464 places, 910 transitions, 39618 flow, removed 18 selfloop flow, removed 6 redundant places. [2021-04-29 04:19:36,378 INFO L241 Difference]: Finished difference. Result has 465 places, 900 transitions, 38624 flow [2021-04-29 04:19:36,379 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=37714, PETRI_DIFFERENCE_MINUEND_PLACES=456, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=902, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=511, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=38624, PETRI_PLACES=465, PETRI_TRANSITIONS=900} [2021-04-29 04:19:36,379 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 414 predicate places. [2021-04-29 04:19:36,379 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:36,379 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 465 places, 900 transitions, 38624 flow [2021-04-29 04:19:36,379 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 465 places, 900 transitions, 38624 flow [2021-04-29 04:19:36,395 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 464 places, 900 transitions, 38624 flow [2021-04-29 04:19:39,446 INFO L129 PetriNetUnfolder]: 0/8010 cut-off events. [2021-04-29 04:19:39,446 INFO L130 PetriNetUnfolder]: For 409528/412380 co-relation queries the response was YES. [2021-04-29 04:19:39,446 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60117 conditions, 8010 events. 0/8010 cut-off events. For 409528/412380 co-relation queries the response was YES. Maximal size of possible extension queue 1326. Compared 148061 event pairs, 0 based on Foata normal form. 5/7550 useless extension candidates. Maximal degree in co-relation 0. Up to 915 conditions per place. [2021-04-29 04:19:39,559 INFO L146 LiptonReduction]: Number of co-enabled transitions 5224 [2021-04-29 04:19:39,729 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:39,730 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:39,730 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3351 [2021-04-29 04:19:39,730 INFO L480 AbstractCegarLoop]: Abstraction has has 464 places, 900 transitions, 38624 flow [2021-04-29 04:19:39,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:39,731 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:39,731 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] [2021-04-29 04:19:39,731 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-04-29 04:19:39,731 INFO L428 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:19:39,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:39,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1130009406, now seen corresponding path program 80 times [2021-04-29 04:19:39,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:39,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084043612] [2021-04-29 04:19:39,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:39,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:39,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:39,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:39,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:39,760 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:19:39,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:39,775 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:19:39,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:19:39,793 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:19:39,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:19:39,816 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:19:39,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:19:39,846 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:19:39,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:19:39,893 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:19:39,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:19:39,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:39,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084043612] [2021-04-29 04:19:39,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:19:39,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:19:39,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660607161] [2021-04-29 04:19:39,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:19:39,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:39,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:19:39,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:19:39,943 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:19:39,944 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 900 transitions, 38624 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:39,944 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:39,944 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:19:39,944 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:47,498 INFO L129 PetriNetUnfolder]: 549/9110 cut-off events. [2021-04-29 04:19:47,499 INFO L130 PetriNetUnfolder]: For 459275/465298 co-relation queries the response was YES. [2021-04-29 04:19:47,587 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77272 conditions, 9110 events. 549/9110 cut-off events. For 459275/465298 co-relation queries the response was YES. Maximal size of possible extension queue 1414. Compared 159785 event pairs, 549 based on Foata normal form. 53/8695 useless extension candidates. Maximal degree in co-relation 77115. Up to 1619 conditions per place. [2021-04-29 04:19:47,610 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 461 selfloop transitions, 474 changer transitions 2/951 dead transitions. [2021-04-29 04:19:47,611 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 472 places, 951 transitions, 42664 flow [2021-04-29 04:19:47,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:19:47,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:19:47,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:19:47,612 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:19:47,612 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:19:47,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:19:47,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:47,613 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:19:47,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:47,614 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:47,614 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:47,614 INFO L185 Difference]: Start difference. First operand has 464 places, 900 transitions, 38624 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:19:47,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 472 places, 951 transitions, 42664 flow [2021-04-29 04:19:53,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 466 places, 951 transitions, 41609 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-04-29 04:19:53,787 INFO L241 Difference]: Finished difference. Result has 471 places, 916 transitions, 39552 flow [2021-04-29 04:19:53,788 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=37617, PETRI_DIFFERENCE_MINUEND_PLACES=458, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=900, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=458, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=39552, PETRI_PLACES=471, PETRI_TRANSITIONS=916} [2021-04-29 04:19:53,788 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 420 predicate places. [2021-04-29 04:19:53,788 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:53,788 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 471 places, 916 transitions, 39552 flow [2021-04-29 04:19:53,788 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 471 places, 916 transitions, 39552 flow [2021-04-29 04:19:53,804 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 470 places, 916 transitions, 39552 flow [2021-04-29 04:19:56,895 INFO L129 PetriNetUnfolder]: 0/8074 cut-off events. [2021-04-29 04:19:56,895 INFO L130 PetriNetUnfolder]: For 425924/428659 co-relation queries the response was YES. [2021-04-29 04:19:56,895 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60991 conditions, 8074 events. 0/8074 cut-off events. For 425924/428659 co-relation queries the response was YES. Maximal size of possible extension queue 1340. Compared 149434 event pairs, 0 based on Foata normal form. 5/7616 useless extension candidates. Maximal degree in co-relation 0. Up to 924 conditions per place. [2021-04-29 04:19:56,999 INFO L146 LiptonReduction]: Number of co-enabled transitions 5348 [2021-04-29 04:19:57,181 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:57,181 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:57,181 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3393 [2021-04-29 04:19:57,182 INFO L480 AbstractCegarLoop]: Abstraction has has 470 places, 916 transitions, 39552 flow [2021-04-29 04:19:57,182 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:57,182 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:57,182 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] [2021-04-29 04:19:57,182 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-04-29 04:19:57,182 INFO L428 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:19:57,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:57,182 INFO L82 PathProgramCache]: Analyzing trace with hash -757023354, now seen corresponding path program 81 times [2021-04-29 04:19:57,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:57,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920863947] [2021-04-29 04:19:57,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:57,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:57,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:57,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:57,200 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:19:57,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:57,215 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:19:57,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:19:57,236 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:19:57,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:19:57,283 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:19:57,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:19:57,321 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:19:57,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:19:57,371 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-04-29 04:19:57,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 04:19:57,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:57,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920863947] [2021-04-29 04:19:57,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:19:57,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 04:19:57,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301114665] [2021-04-29 04:19:57,419 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:19:57,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:57,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:19:57,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:19:57,420 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-04-29 04:19:57,421 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 470 places, 916 transitions, 39552 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:57,421 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:57,421 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-04-29 04:19:57,421 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:04,716 INFO L129 PetriNetUnfolder]: 549/9102 cut-off events. [2021-04-29 04:20:04,717 INFO L130 PetriNetUnfolder]: For 472206/478233 co-relation queries the response was YES. [2021-04-29 04:20:05,141 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77575 conditions, 9102 events. 549/9102 cut-off events. For 472206/478233 co-relation queries the response was YES. Maximal size of possible extension queue 1412. Compared 159540 event pairs, 549 based on Foata normal form. 55/8665 useless extension candidates. Maximal degree in co-relation 77414. Up to 1619 conditions per place. [2021-04-29 04:20:05,176 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 425 selfloop transitions, 498 changer transitions 2/939 dead transitions. [2021-04-29 04:20:05,176 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 478 places, 939 transitions, 42227 flow [2021-04-29 04:20:05,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:20:05,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:20:05,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-04-29 04:20:05,178 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-04-29 04:20:05,178 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-04-29 04:20:05,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-04-29 04:20:05,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:05,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-04-29 04:20:05,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:05,180 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:05,181 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:05,181 INFO L185 Difference]: Start difference. First operand has 470 places, 916 transitions, 39552 flow. Second operand 9 states and 674 transitions. [2021-04-29 04:20:05,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 478 places, 939 transitions, 42227 flow [2021-04-29 04:20:11,792 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 473 places, 939 transitions, 41439 flow, removed 38 selfloop flow, removed 5 redundant places. [2021-04-29 04:20:11,831 INFO L241 Difference]: Finished difference. Result has 476 places, 922 transitions, 40142 flow [2021-04-29 04:20:11,832 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=38780, PETRI_DIFFERENCE_MINUEND_PLACES=465, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=916, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=491, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=418, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=40142, PETRI_PLACES=476, PETRI_TRANSITIONS=922} [2021-04-29 04:20:11,832 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 425 predicate places. [2021-04-29 04:20:11,833 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:11,833 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 476 places, 922 transitions, 40142 flow [2021-04-29 04:20:11,833 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 476 places, 922 transitions, 40142 flow [2021-04-29 04:20:11,857 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 475 places, 922 transitions, 40142 flow [2021-04-29 04:20:15,091 INFO L129 PetriNetUnfolder]: 0/8066 cut-off events. [2021-04-29 04:20:15,091 INFO L130 PetriNetUnfolder]: For 429304/432153 co-relation queries the response was YES. [2021-04-29 04:20:15,091 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61480 conditions, 8066 events. 0/8066 cut-off events. For 429304/432153 co-relation queries the response was YES. Maximal size of possible extension queue 1336. Compared 149068 event pairs, 0 based on Foata normal form. 5/7615 useless extension candidates. Maximal degree in co-relation 0. Up to 923 conditions per place. Received shutdown request... [2021-04-29 04:20:15,229 INFO L146 LiptonReduction]: Number of co-enabled transitions 5394 [2021-04-29 04:20:15,415 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:15,415 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:15,416 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3583 [2021-04-29 04:20:15,416 INFO L480 AbstractCegarLoop]: Abstraction has has 475 places, 922 transitions, 40142 flow [2021-04-29 04:20:15,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:15,416 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:15,416 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] [2021-04-29 04:20:15,416 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-04-29 04:20:15,416 INFO L428 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:20:15,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:15,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1570402870, now seen corresponding path program 82 times [2021-04-29 04:20:15,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:15,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139712302] [2021-04-29 04:20:15,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-04-29 04:20:15,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1436251823] [2021-04-29 04:20:15,420 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 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 [2021-04-29 04:20:15,465 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 04:20:15,465 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:20:15,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 15 conjunts are in the unsatisfiable core [2021-04-29 04:20:15,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:15,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:15,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:15,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:15,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:15,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:15,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:15,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:15,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:15,491 WARN L222 SmtUtils]: Removed 1 from assertion stack [2021-04-29 04:20:15,706 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable87 [2021-04-29 04:20:15,707 WARN L545 AbstractCegarLoop]: Verification canceled [2021-04-29 04:20:15,712 WARN L224 ceAbstractionStarter]: Timeout [2021-04-29 04:20:15,712 INFO L202 PluginConnector]: Adding new model example_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 04:20:15 BasicIcfg [2021-04-29 04:20:15,712 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-29 04:20:15,713 INFO L168 Benchmark]: Toolchain (without parser) took 789184.87 ms. Allocated memory was 306.2 MB in the beginning and 15.1 GB in the end (delta: 14.8 GB). Free memory was 273.5 MB in the beginning and 9.8 GB in the end (delta: -9.5 GB). Peak memory consumption was 5.3 GB. Max. memory is 16.0 GB. [2021-04-29 04:20:15,713 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.32 ms. Allocated memory is still 306.2 MB. Free memory is still 274.5 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 04:20:15,713 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.46 ms. Allocated memory is still 306.2 MB. Free memory was 288.7 MB in the beginning and 287.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 04:20:15,714 INFO L168 Benchmark]: Boogie Preprocessor took 22.03 ms. Allocated memory is still 306.2 MB. Free memory was 287.2 MB in the beginning and 286.3 MB in the end (delta: 930.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-29 04:20:15,714 INFO L168 Benchmark]: RCFGBuilder took 303.34 ms. Allocated memory is still 306.2 MB. Free memory was 286.3 MB in the beginning and 283.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. [2021-04-29 04:20:15,714 INFO L168 Benchmark]: TraceAbstraction took 788750.63 ms. Allocated memory was 306.2 MB in the beginning and 15.1 GB in the end (delta: 14.8 GB). Free memory was 282.8 MB in the beginning and 9.8 GB in the end (delta: -9.5 GB). Peak memory consumption was 5.3 GB. Max. memory is 16.0 GB. [2021-04-29 04:20:15,715 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.32 ms. Allocated memory is still 306.2 MB. Free memory is still 274.5 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 43.46 ms. Allocated memory is still 306.2 MB. Free memory was 288.7 MB in the beginning and 287.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 22.03 ms. Allocated memory is still 306.2 MB. Free memory was 287.2 MB in the beginning and 286.3 MB in the end (delta: 930.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 303.34 ms. Allocated memory is still 306.2 MB. Free memory was 286.3 MB in the beginning and 283.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 788750.63 ms. Allocated memory was 306.2 MB in the beginning and 15.1 GB in the end (delta: 14.8 GB). Free memory was 282.8 MB in the beginning and 9.8 GB in the end (delta: -9.5 GB). Peak memory consumption was 5.3 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 377.1ms, 51 PlacesBefore, 51 PlacesAfterwards, 71 TransitionsBefore, 71 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 7 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, 357 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 357, positive: 357, positive conditional: 357, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 357, positive: 357, positive conditional: 0, positive unconditional: 357, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 357, positive: 357, positive conditional: 0, positive unconditional: 357, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 357, positive: 357, positive conditional: 0, positive unconditional: 357, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 357, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 357, unknown conditional: 357, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 40.3ms, 39 PlacesBefore, 39 PlacesAfterwards, 66 TransitionsBefore, 66 TransitionsAfterwards, 1020 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 48.8ms, 40 PlacesBefore, 40 PlacesAfterwards, 65 TransitionsBefore, 65 TransitionsAfterwards, 996 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 32.7ms, 41 PlacesBefore, 41 PlacesAfterwards, 63 TransitionsBefore, 63 TransitionsAfterwards, 948 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 28.0ms, 42 PlacesBefore, 42 PlacesAfterwards, 59 TransitionsBefore, 59 TransitionsAfterwards, 772 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 18.4ms, 43 PlacesBefore, 41 PlacesAfterwards, 54 TransitionsBefore, 54 TransitionsAfterwards, 538 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.7ms, 42 PlacesBefore, 37 PlacesAfterwards, 22 TransitionsBefore, 22 TransitionsAfterwards, 126 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 20.6ms, 51 PlacesBefore, 50 PlacesAfterwards, 27 TransitionsBefore, 27 TransitionsAfterwards, 164 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 35.8ms, 63 PlacesBefore, 62 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 222 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 80.6ms, 75 PlacesBefore, 74 PlacesAfterwards, 50 TransitionsBefore, 50 TransitionsAfterwards, 320 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 176.3ms, 87 PlacesBefore, 86 PlacesAfterwards, 76 TransitionsBefore, 76 TransitionsAfterwards, 468 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 225.5ms, 99 PlacesBefore, 98 PlacesAfterwards, 95 TransitionsBefore, 95 TransitionsAfterwards, 546 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 244.4ms, 111 PlacesBefore, 110 PlacesAfterwards, 123 TransitionsBefore, 123 TransitionsAfterwards, 664 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 363.5ms, 122 PlacesBefore, 121 PlacesAfterwards, 136 TransitionsBefore, 136 TransitionsAfterwards, 748 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 510.4ms, 134 PlacesBefore, 133 PlacesAfterwards, 159 TransitionsBefore, 159 TransitionsAfterwards, 878 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 599.6ms, 145 PlacesBefore, 144 PlacesAfterwards, 181 TransitionsBefore, 181 TransitionsAfterwards, 1042 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 673.1ms, 156 PlacesBefore, 155 PlacesAfterwards, 217 TransitionsBefore, 217 TransitionsAfterwards, 1238 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 812.6ms, 168 PlacesBefore, 167 PlacesAfterwards, 265 TransitionsBefore, 265 TransitionsAfterwards, 1486 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 674.5ms, 180 PlacesBefore, 179 PlacesAfterwards, 297 TransitionsBefore, 297 TransitionsAfterwards, 1656 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 888.7ms, 191 PlacesBefore, 190 PlacesAfterwards, 314 TransitionsBefore, 314 TransitionsAfterwards, 1806 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 825.1ms, 201 PlacesBefore, 200 PlacesAfterwards, 337 TransitionsBefore, 337 TransitionsAfterwards, 1970 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 932.0ms, 211 PlacesBefore, 210 PlacesAfterwards, 346 TransitionsBefore, 346 TransitionsAfterwards, 2062 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 908.9ms, 219 PlacesBefore, 218 PlacesAfterwards, 379 TransitionsBefore, 379 TransitionsAfterwards, 2232 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1004.3ms, 227 PlacesBefore, 226 PlacesAfterwards, 387 TransitionsBefore, 387 TransitionsAfterwards, 2310 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 842.2ms, 235 PlacesBefore, 234 PlacesAfterwards, 395 TransitionsBefore, 395 TransitionsAfterwards, 2394 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 886.4ms, 242 PlacesBefore, 241 PlacesAfterwards, 419 TransitionsBefore, 419 TransitionsAfterwards, 2534 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 897.5ms, 250 PlacesBefore, 249 PlacesAfterwards, 432 TransitionsBefore, 432 TransitionsAfterwards, 2644 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 913.9ms, 256 PlacesBefore, 255 PlacesAfterwards, 438 TransitionsBefore, 438 TransitionsAfterwards, 2708 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 924.0ms, 262 PlacesBefore, 261 PlacesAfterwards, 444 TransitionsBefore, 444 TransitionsAfterwards, 2762 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1059.5ms, 268 PlacesBefore, 267 PlacesAfterwards, 450 TransitionsBefore, 450 TransitionsAfterwards, 2818 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1077.6ms, 271 PlacesBefore, 270 PlacesAfterwards, 459 TransitionsBefore, 459 TransitionsAfterwards, 2920 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 962.1ms, 272 PlacesBefore, 271 PlacesAfterwards, 465 TransitionsBefore, 465 TransitionsAfterwards, 2966 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1016.8ms, 276 PlacesBefore, 275 PlacesAfterwards, 476 TransitionsBefore, 476 TransitionsAfterwards, 3040 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1019.3ms, 279 PlacesBefore, 278 PlacesAfterwards, 477 TransitionsBefore, 477 TransitionsAfterwards, 3060 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1012.0ms, 282 PlacesBefore, 281 PlacesAfterwards, 478 TransitionsBefore, 478 TransitionsAfterwards, 3074 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1021.4ms, 285 PlacesBefore, 284 PlacesAfterwards, 480 TransitionsBefore, 480 TransitionsAfterwards, 3098 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1002.5ms, 288 PlacesBefore, 287 PlacesAfterwards, 481 TransitionsBefore, 481 TransitionsAfterwards, 3100 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1020.1ms, 290 PlacesBefore, 289 PlacesAfterwards, 480 TransitionsBefore, 480 TransitionsAfterwards, 3092 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1001.1ms, 292 PlacesBefore, 291 PlacesAfterwards, 479 TransitionsBefore, 479 TransitionsAfterwards, 3082 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 987.3ms, 293 PlacesBefore, 292 PlacesAfterwards, 477 TransitionsBefore, 477 TransitionsAfterwards, 3066 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1074.6ms, 294 PlacesBefore, 293 PlacesAfterwards, 476 TransitionsBefore, 476 TransitionsAfterwards, 3054 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1033.1ms, 295 PlacesBefore, 294 PlacesAfterwards, 474 TransitionsBefore, 474 TransitionsAfterwards, 3040 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 977.8ms, 297 PlacesBefore, 296 PlacesAfterwards, 473 TransitionsBefore, 473 TransitionsAfterwards, 3028 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1033.6ms, 298 PlacesBefore, 297 PlacesAfterwards, 471 TransitionsBefore, 471 TransitionsAfterwards, 3016 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 953.5ms, 299 PlacesBefore, 298 PlacesAfterwards, 468 TransitionsBefore, 468 TransitionsAfterwards, 2992 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1001.3ms, 300 PlacesBefore, 299 PlacesAfterwards, 467 TransitionsBefore, 467 TransitionsAfterwards, 2986 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1482.6ms, 308 PlacesBefore, 307 PlacesAfterwards, 586 TransitionsBefore, 586 TransitionsAfterwards, 3410 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1575.1ms, 317 PlacesBefore, 316 PlacesAfterwards, 608 TransitionsBefore, 608 TransitionsAfterwards, 3576 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2312.4ms, 327 PlacesBefore, 326 PlacesAfterwards, 726 TransitionsBefore, 726 TransitionsAfterwards, 3946 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2713.4ms, 336 PlacesBefore, 335 PlacesAfterwards, 750 TransitionsBefore, 750 TransitionsAfterwards, 4172 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2853.9ms, 344 PlacesBefore, 343 PlacesAfterwards, 795 TransitionsBefore, 795 TransitionsAfterwards, 4422 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2692.7ms, 349 PlacesBefore, 348 PlacesAfterwards, 804 TransitionsBefore, 804 TransitionsAfterwards, 4532 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2909.9ms, 356 PlacesBefore, 355 PlacesAfterwards, 822 TransitionsBefore, 822 TransitionsAfterwards, 4676 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2951.4ms, 363 PlacesBefore, 362 PlacesAfterwards, 829 TransitionsBefore, 829 TransitionsAfterwards, 4734 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2735.1ms, 369 PlacesBefore, 368 PlacesAfterwards, 836 TransitionsBefore, 836 TransitionsAfterwards, 4804 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2915.8ms, 373 PlacesBefore, 371 PlacesAfterwards, 835 TransitionsBefore, 835 TransitionsAfterwards, 4792 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2817.0ms, 376 PlacesBefore, 375 PlacesAfterwards, 842 TransitionsBefore, 842 TransitionsAfterwards, 4840 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3070.6ms, 380 PlacesBefore, 379 PlacesAfterwards, 844 TransitionsBefore, 844 TransitionsAfterwards, 4844 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2895.5ms, 382 PlacesBefore, 381 PlacesAfterwards, 842 TransitionsBefore, 842 TransitionsAfterwards, 4820 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2966.0ms, 386 PlacesBefore, 385 PlacesAfterwards, 843 TransitionsBefore, 843 TransitionsAfterwards, 4818 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3169.4ms, 388 PlacesBefore, 387 PlacesAfterwards, 841 TransitionsBefore, 841 TransitionsAfterwards, 4800 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2721.4ms, 390 PlacesBefore, 389 PlacesAfterwards, 841 TransitionsBefore, 841 TransitionsAfterwards, 4792 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2820.8ms, 391 PlacesBefore, 390 PlacesAfterwards, 848 TransitionsBefore, 848 TransitionsAfterwards, 4824 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2973.1ms, 394 PlacesBefore, 393 PlacesAfterwards, 845 TransitionsBefore, 845 TransitionsAfterwards, 4796 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2728.9ms, 397 PlacesBefore, 396 PlacesAfterwards, 844 TransitionsBefore, 844 TransitionsAfterwards, 4786 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2858.6ms, 399 PlacesBefore, 397 PlacesAfterwards, 843 TransitionsBefore, 843 TransitionsAfterwards, 4778 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2757.7ms, 401 PlacesBefore, 400 PlacesAfterwards, 841 TransitionsBefore, 841 TransitionsAfterwards, 4756 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2927.6ms, 403 PlacesBefore, 402 PlacesAfterwards, 840 TransitionsBefore, 840 TransitionsAfterwards, 4746 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2858.7ms, 406 PlacesBefore, 405 PlacesAfterwards, 838 TransitionsBefore, 838 TransitionsAfterwards, 4722 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2705.5ms, 410 PlacesBefore, 409 PlacesAfterwards, 840 TransitionsBefore, 840 TransitionsAfterwards, 4724 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2920.2ms, 413 PlacesBefore, 412 PlacesAfterwards, 851 TransitionsBefore, 851 TransitionsAfterwards, 4762 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2792.6ms, 416 PlacesBefore, 415 PlacesAfterwards, 850 TransitionsBefore, 850 TransitionsAfterwards, 4754 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2733.8ms, 418 PlacesBefore, 417 PlacesAfterwards, 849 TransitionsBefore, 849 TransitionsAfterwards, 4750 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3110.6ms, 425 PlacesBefore, 424 PlacesAfterwards, 870 TransitionsBefore, 870 TransitionsAfterwards, 4916 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3462.1ms, 432 PlacesBefore, 431 PlacesAfterwards, 893 TransitionsBefore, 893 TransitionsAfterwards, 5090 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3191.1ms, 437 PlacesBefore, 436 PlacesAfterwards, 903 TransitionsBefore, 903 TransitionsAfterwards, 5218 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3299.6ms, 441 PlacesBefore, 440 PlacesAfterwards, 908 TransitionsBefore, 908 TransitionsAfterwards, 5276 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3252.7ms, 444 PlacesBefore, 443 PlacesAfterwards, 906 TransitionsBefore, 906 TransitionsAfterwards, 5264 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3278.9ms, 446 PlacesBefore, 445 PlacesAfterwards, 905 TransitionsBefore, 905 TransitionsAfterwards, 5252 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3235.9ms, 448 PlacesBefore, 446 PlacesAfterwards, 903 TransitionsBefore, 903 TransitionsAfterwards, 5230 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3453.1ms, 450 PlacesBefore, 449 PlacesAfterwards, 908 TransitionsBefore, 908 TransitionsAfterwards, 5276 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3241.3ms, 453 PlacesBefore, 452 PlacesAfterwards, 907 TransitionsBefore, 907 TransitionsAfterwards, 5272 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3306.9ms, 458 PlacesBefore, 457 PlacesAfterwards, 906 TransitionsBefore, 906 TransitionsAfterwards, 5262 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3335.6ms, 460 PlacesBefore, 459 PlacesAfterwards, 904 TransitionsBefore, 904 TransitionsAfterwards, 5250 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3359.8ms, 463 PlacesBefore, 462 PlacesAfterwards, 902 TransitionsBefore, 902 TransitionsAfterwards, 5242 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3350.2ms, 465 PlacesBefore, 464 PlacesAfterwards, 900 TransitionsBefore, 900 TransitionsAfterwards, 5224 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3392.8ms, 471 PlacesBefore, 470 PlacesAfterwards, 916 TransitionsBefore, 916 TransitionsAfterwards, 5348 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3582.5ms, 476 PlacesBefore, 475 PlacesAfterwards, 922 TransitionsBefore, 922 TransitionsAfterwards, 5394 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 357, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 27]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 27). Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 23 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 0ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 57.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 788552.5ms, OverallIterations: 88, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 613750.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 738.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1956 SDtfs, 2794 SDslu, 1857 SDs, 0 SdLazy, 3378 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3953.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 747 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 654 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 405 ImplicationChecksByTransitivity, 20028.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=40142occurred in iteration=87, InterpolantAutomatonStates: 747, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 64.2ms SsaConstructionTime, 195.7ms SatisfiabilityAnalysisTime, 18128.4ms InterpolantComputationTime, 1914 NumberOfCodeBlocks, 1914 NumberOfCodeBlocksAsserted, 87 NumberOfCheckSat, 1827 ConstructedInterpolants, 0 QuantifiedInterpolants, 50730 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 87 InterpolantComputations, 87 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown