/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-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-10 15:26:33,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-10 15:26:33,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-10 15:26:33,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-10 15:26:33,885 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-10 15:26:33,895 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-10 15:26:33,896 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-10 15:26:33,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-10 15:26:33,901 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-10 15:26:33,902 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-10 15:26:33,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-10 15:26:33,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-10 15:26:33,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-10 15:26:33,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-10 15:26:33,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-10 15:26:33,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-10 15:26:33,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-10 15:26:33,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-10 15:26:33,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-10 15:26:33,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-10 15:26:33,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-10 15:26:33,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-10 15:26:33,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-10 15:26:33,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-10 15:26:33,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-10 15:26:33,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-10 15:26:33,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-10 15:26:33,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-10 15:26:33,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-10 15:26:33,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-10 15:26:33,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-10 15:26:33,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-10 15:26:33,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-10 15:26:33,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-10 15:26:33,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-10 15:26:33,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-10 15:26:33,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-10 15:26:33,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-10 15:26:33,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-10 15:26:33,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-10 15:26:33,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-10 15:26:33,936 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-NoLbe.epf [2021-06-10 15:26:33,968 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-10 15:26:33,969 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-10 15:26:33,970 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-10 15:26:33,970 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-10 15:26:33,970 INFO L138 SettingsManager]: * Use SBE=true [2021-06-10 15:26:33,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-10 15:26:33,971 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-10 15:26:33,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-10 15:26:33,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-10 15:26:33,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-10 15:26:33,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-10 15:26:33,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-10 15:26:33,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-10 15:26:33,972 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-10 15:26:33,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-10 15:26:33,972 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-10 15:26:33,972 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-10 15:26:33,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-10 15:26:33,973 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-10 15:26:33,973 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-10 15:26:33,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-10 15:26:33,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-10 15:26:33,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-10 15:26:33,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-10 15:26:33,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-10 15:26:33,974 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-10 15:26:33,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-10 15:26:33,974 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-10 15:26:33,975 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-10 15:26:33,975 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-10 15:26:34,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-10 15:26:34,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-10 15:26:34,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-10 15:26:34,270 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-10 15:26:34,271 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-10 15:26:34,271 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x3.wvr.bpl [2021-06-10 15:26:34,272 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x3.wvr.bpl' [2021-06-10 15:26:34,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-10 15:26:34,304 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-10 15:26:34,305 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-10 15:26:34,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-10 15:26:34,306 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-10 15:26:34,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp2x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.06 03:26:34" (1/1) ... [2021-06-10 15:26:34,322 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp2x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.06 03:26:34" (1/1) ... [2021-06-10 15:26:34,329 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-10 15:26:34,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-10 15:26:34,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-10 15:26:34,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-10 15:26:34,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp2x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.06 03:26:34" (1/1) ... [2021-06-10 15:26:34,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp2x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.06 03:26:34" (1/1) ... [2021-06-10 15:26:34,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp2x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.06 03:26:34" (1/1) ... [2021-06-10 15:26:34,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp2x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.06 03:26:34" (1/1) ... [2021-06-10 15:26:34,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp2x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.06 03:26:34" (1/1) ... [2021-06-10 15:26:34,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp2x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.06 03:26:34" (1/1) ... [2021-06-10 15:26:34,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp2x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.06 03:26:34" (1/1) ... [2021-06-10 15:26:34,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-10 15:26:34,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-10 15:26:34,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-10 15:26:34,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-10 15:26:34,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp2x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.06 03:26:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-10 15:26:34,404 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-10 15:26:34,404 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-10 15:26:34,404 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-10 15:26:34,404 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-10 15:26:34,405 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-10 15:26:34,405 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-10 15:26:34,405 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-10 15:26:34,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-10 15:26:34,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-10 15:26:34,405 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-10 15:26:34,406 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-10 15:26:34,406 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-10 15:26:34,406 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-10 15:26:34,406 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-10 15:26:34,406 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-10 15:26:34,407 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-10 15:26:34,568 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-10 15:26:34,568 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-10 15:26:34,570 INFO L202 PluginConnector]: Adding new model exp2x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 03:26:34 BoogieIcfgContainer [2021-06-10 15:26:34,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-10 15:26:34,571 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-10 15:26:34,571 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-10 15:26:34,574 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-10 15:26:34,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.06 03:26:34" (1/2) ... [2021-06-10 15:26:34,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626f71e9 and model type exp2x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 03:26:34, skipping insertion in model container [2021-06-10 15:26:34,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 03:26:34" (2/2) ... [2021-06-10 15:26:34,576 INFO L111 eAbstractionObserver]: Analyzing ICFG exp2x3.wvr.bpl [2021-06-10 15:26:34,580 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-10 15:26:34,583 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-06-10 15:26:34,584 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-10 15:26:34,662 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-10 15:26:34,679 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-06-10 15:26:34,718 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-10 15:26:34,719 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-10 15:26:34,719 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-10 15:26:34,719 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-10 15:26:34,719 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-10 15:26:34,719 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-10 15:26:34,719 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-10 15:26:34,719 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-10 15:26:34,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 33 transitions, 98 flow [2021-06-10 15:26:34,749 INFO L129 PetriNetUnfolder]: 4/29 cut-off events. [2021-06-10 15:26:34,749 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-06-10 15:26:34,752 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 29 events. 4/29 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 52 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 25. Up to 2 conditions per place. [2021-06-10 15:26:34,752 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 33 transitions, 98 flow [2021-06-10 15:26:34,756 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 36 places, 27 transitions, 78 flow [2021-06-10 15:26:34,764 INFO L129 PetriNetUnfolder]: 4/26 cut-off events. [2021-06-10 15:26:34,764 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-06-10 15:26:34,764 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 15:26:34,765 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 15:26:34,765 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 15:26:34,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 15:26:34,770 INFO L82 PathProgramCache]: Analyzing trace with hash 338562115, now seen corresponding path program 1 times [2021-06-10 15:26:34,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 15:26:34,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79430560] [2021-06-10 15:26:34,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 15:26:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:26:34,935 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-10 15:26:34,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:34,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:34,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:34,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:26:34,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79430560] [2021-06-10 15:26:34,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 15:26:34,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-10 15:26:34,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283893162] [2021-06-10 15:26:34,969 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-10 15:26:34,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 15:26:34,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-10 15:26:34,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-10 15:26:34,982 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 33 [2021-06-10 15:26:34,984 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 27 transitions, 78 flow. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:34,984 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 15:26:34,985 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 33 [2021-06-10 15:26:34,985 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 15:26:35,139 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([82] L42-->L43: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][23], [33#L18true, 21#L43true, thread2Thread1of1ForFork0InUse, thread3Thread1of1ForFork1InUse, 27#L34true, thread4Thread1of1ForFork2InUse, 28#L26true, thread1Thread1of1ForFork3InUse, 14#L54true, 46#true]) [2021-06-10 15:26:35,139 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-06-10 15:26:35,139 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-10 15:26:35,139 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-10 15:26:35,140 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-10 15:26:35,140 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([83] L42-->thread4FINAL: Formula: (not (< v_x4_6 v_n_8)) InVars {x4=v_x4_6, n=v_n_8} OutVars{x4=v_x4_6, n=v_n_8} AuxVars[] AssignedVars[][24], [33#L18true, 6#thread4FINALtrue, thread2Thread1of1ForFork0InUse, thread3Thread1of1ForFork1InUse, 27#L34true, thread4Thread1of1ForFork2InUse, 28#L26true, thread1Thread1of1ForFork3InUse, 14#L54true, 46#true]) [2021-06-10 15:26:35,140 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-06-10 15:26:35,140 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-10 15:26:35,140 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-10 15:26:35,140 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-10 15:26:35,157 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([82] L42-->L43: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][23], [21#L43true, thread2Thread1of1ForFork0InUse, thread3Thread1of1ForFork1InUse, 27#L34true, thread4Thread1of1ForFork2InUse, 28#L26true, thread1Thread1of1ForFork3InUse, 14#L54true, 46#true, 15#L19true]) [2021-06-10 15:26:35,158 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-06-10 15:26:35,158 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 15:26:35,158 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 15:26:35,159 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 15:26:35,159 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([83] L42-->thread4FINAL: Formula: (not (< v_x4_6 v_n_8)) InVars {x4=v_x4_6, n=v_n_8} OutVars{x4=v_x4_6, n=v_n_8} AuxVars[] AssignedVars[][24], [6#thread4FINALtrue, thread2Thread1of1ForFork0InUse, thread3Thread1of1ForFork1InUse, 27#L34true, thread4Thread1of1ForFork2InUse, 28#L26true, thread1Thread1of1ForFork3InUse, 14#L54true, 46#true, 15#L19true]) [2021-06-10 15:26:35,159 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-06-10 15:26:35,160 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 15:26:35,160 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 15:26:35,160 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 15:26:35,166 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([82] L42-->L43: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][23], [17#thread1FINALtrue, 21#L43true, thread2Thread1of1ForFork0InUse, thread3Thread1of1ForFork1InUse, 27#L34true, thread4Thread1of1ForFork2InUse, 28#L26true, thread1Thread1of1ForFork3InUse, 14#L54true, 46#true]) [2021-06-10 15:26:35,166 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-06-10 15:26:35,167 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 15:26:35,167 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 15:26:35,167 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 15:26:35,167 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([83] L42-->thread4FINAL: Formula: (not (< v_x4_6 v_n_8)) InVars {x4=v_x4_6, n=v_n_8} OutVars{x4=v_x4_6, n=v_n_8} AuxVars[] AssignedVars[][24], [17#thread1FINALtrue, 6#thread4FINALtrue, thread2Thread1of1ForFork0InUse, thread3Thread1of1ForFork1InUse, 27#L34true, thread4Thread1of1ForFork2InUse, 28#L26true, thread1Thread1of1ForFork3InUse, 14#L54true, 46#true]) [2021-06-10 15:26:35,167 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-06-10 15:26:35,167 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 15:26:35,167 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 15:26:35,168 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 15:26:35,236 INFO L129 PetriNetUnfolder]: 658/997 cut-off events. [2021-06-10 15:26:35,236 INFO L130 PetriNetUnfolder]: For 56/56 co-relation queries the response was YES. [2021-06-10 15:26:35,241 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1927 conditions, 997 events. 658/997 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 4722 event pairs, 136 based on Foata normal form. 1/681 useless extension candidates. Maximal degree in co-relation 1900. Up to 644 conditions per place. [2021-06-10 15:26:35,250 INFO L132 encePairwiseOnDemand]: 27/33 looper letters, 21 selfloop transitions, 5 changer transitions 0/39 dead transitions. [2021-06-10 15:26:35,250 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 39 transitions, 154 flow [2021-06-10 15:26:35,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-10 15:26:35,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-10 15:26:35,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 81 transitions. [2021-06-10 15:26:35,261 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8181818181818182 [2021-06-10 15:26:35,261 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 81 transitions. [2021-06-10 15:26:35,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 81 transitions. [2021-06-10 15:26:35,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 15:26:35,265 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 81 transitions. [2021-06-10 15:26:35,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:35,272 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:35,272 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:35,274 INFO L185 Difference]: Start difference. First operand has 36 places, 27 transitions, 78 flow. Second operand 3 states and 81 transitions. [2021-06-10 15:26:35,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 39 transitions, 154 flow [2021-06-10 15:26:35,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 39 transitions, 138 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-06-10 15:26:35,286 INFO L241 Difference]: Finished difference. Result has 31 places, 31 transitions, 95 flow [2021-06-10 15:26:35,288 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=95, PETRI_PLACES=31, PETRI_TRANSITIONS=31} [2021-06-10 15:26:35,288 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, -5 predicate places. [2021-06-10 15:26:35,289 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 31 transitions, 95 flow [2021-06-10 15:26:35,289 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:35,290 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 15:26:35,290 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 15:26:35,291 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-10 15:26:35,291 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 15:26:35,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 15:26:35,291 INFO L82 PathProgramCache]: Analyzing trace with hash 517927309, now seen corresponding path program 1 times [2021-06-10 15:26:35,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 15:26:35,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097816035] [2021-06-10 15:26:35,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 15:26:35,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:26:35,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:35,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:35,375 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-06-10 15:26:35,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:35,390 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-06-10 15:26:35,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:35,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:35,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:35,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:26:35,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097816035] [2021-06-10 15:26:35,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 15:26:35,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-10 15:26:35,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957014334] [2021-06-10 15:26:35,400 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-10 15:26:35,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 15:26:35,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-10 15:26:35,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-10 15:26:35,409 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-06-10 15:26:35,410 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 31 transitions, 95 flow. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:35,410 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 15:26:35,410 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-06-10 15:26:35,410 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 15:26:35,541 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([82] L42-->L43: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][27], [Black: 48#(and (= x4 x3) (= x2 x1)), 51#true, 21#L43true, 27#L34true, 28#L26true, 14#L54true, 46#true, 15#L19true]) [2021-06-10 15:26:35,542 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-10 15:26:35,542 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 15:26:35,542 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 15:26:35,542 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 15:26:35,542 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([83] L42-->thread4FINAL: Formula: (not (< v_x4_6 v_n_8)) InVars {x4=v_x4_6, n=v_n_8} OutVars{x4=v_x4_6, n=v_n_8} AuxVars[] AssignedVars[][28], [Black: 48#(and (= x4 x3) (= x2 x1)), 51#true, 6#thread4FINALtrue, 27#L34true, 28#L26true, 14#L54true, 46#true, 15#L19true]) [2021-06-10 15:26:35,542 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-10 15:26:35,542 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 15:26:35,543 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 15:26:35,543 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 15:26:35,546 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([82] L42-->L43: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][27], [17#thread1FINALtrue, Black: 48#(and (= x4 x3) (= x2 x1)), 51#true, 21#L43true, 27#L34true, 28#L26true, 14#L54true, 46#true]) [2021-06-10 15:26:35,546 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-10 15:26:35,546 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 15:26:35,546 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 15:26:35,546 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 15:26:35,548 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([83] L42-->thread4FINAL: Formula: (not (< v_x4_6 v_n_8)) InVars {x4=v_x4_6, n=v_n_8} OutVars{x4=v_x4_6, n=v_n_8} AuxVars[] AssignedVars[][28], [17#thread1FINALtrue, Black: 48#(and (= x4 x3) (= x2 x1)), 51#true, 6#thread4FINALtrue, 27#L34true, 28#L26true, 14#L54true, 46#true]) [2021-06-10 15:26:35,548 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-10 15:26:35,548 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 15:26:35,548 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 15:26:35,548 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 15:26:35,578 INFO L129 PetriNetUnfolder]: 884/1295 cut-off events. [2021-06-10 15:26:35,579 INFO L130 PetriNetUnfolder]: For 139/181 co-relation queries the response was YES. [2021-06-10 15:26:35,582 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2781 conditions, 1295 events. 884/1295 cut-off events. For 139/181 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 6233 event pairs, 175 based on Foata normal form. 14/850 useless extension candidates. Maximal degree in co-relation 2725. Up to 616 conditions per place. [2021-06-10 15:26:35,591 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 24 selfloop transitions, 7 changer transitions 0/48 dead transitions. [2021-06-10 15:26:35,592 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 48 transitions, 197 flow [2021-06-10 15:26:35,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-10 15:26:35,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-10 15:26:35,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 111 transitions. [2021-06-10 15:26:35,595 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8409090909090909 [2021-06-10 15:26:35,595 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 111 transitions. [2021-06-10 15:26:35,595 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 111 transitions. [2021-06-10 15:26:35,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 15:26:35,597 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 111 transitions. [2021-06-10 15:26:35,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:35,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:35,600 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:35,600 INFO L185 Difference]: Start difference. First operand has 31 places, 31 transitions, 95 flow. Second operand 4 states and 111 transitions. [2021-06-10 15:26:35,600 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 48 transitions, 197 flow [2021-06-10 15:26:35,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 48 transitions, 192 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-10 15:26:35,606 INFO L241 Difference]: Finished difference. Result has 35 places, 35 transitions, 137 flow [2021-06-10 15:26:35,606 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=137, PETRI_PLACES=35, PETRI_TRANSITIONS=35} [2021-06-10 15:26:35,606 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, -1 predicate places. [2021-06-10 15:26:35,607 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 35 transitions, 137 flow [2021-06-10 15:26:35,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:35,607 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 15:26:35,607 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 15:26:35,607 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-10 15:26:35,607 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 15:26:35,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 15:26:35,610 INFO L82 PathProgramCache]: Analyzing trace with hash -594130723, now seen corresponding path program 2 times [2021-06-10 15:26:35,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 15:26:35,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583733412] [2021-06-10 15:26:35,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 15:26:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:26:35,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:35,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:35,654 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-10 15:26:35,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:35,665 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-06-10 15:26:35,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:35,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:35,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:35,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:26:35,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583733412] [2021-06-10 15:26:35,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 15:26:35,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-10 15:26:35,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056369638] [2021-06-10 15:26:35,668 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-10 15:26:35,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 15:26:35,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-10 15:26:35,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-10 15:26:35,671 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-06-10 15:26:35,671 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 35 transitions, 137 flow. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:35,671 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 15:26:35,671 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-06-10 15:26:35,671 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 15:26:35,796 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([82] L42-->L43: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][28], [17#thread1FINALtrue, Black: 48#(and (= x4 x3) (= x2 x1)), 51#true, 21#L43true, Black: 53#(= x1 x2), Black: 54#(and (<= (+ x1 1) n) (= x2 x1)), 58#true, 27#L34true, 28#L26true, 14#L54true]) [2021-06-10 15:26:35,797 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 15:26:35,797 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 15:26:35,797 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 15:26:35,797 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 15:26:35,797 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([83] L42-->thread4FINAL: Formula: (not (< v_x4_6 v_n_8)) InVars {x4=v_x4_6, n=v_n_8} OutVars{x4=v_x4_6, n=v_n_8} AuxVars[] AssignedVars[][29], [17#thread1FINALtrue, Black: 48#(and (= x4 x3) (= x2 x1)), 51#true, 6#thread4FINALtrue, Black: 53#(= x1 x2), Black: 54#(and (<= (+ x1 1) n) (= x2 x1)), 58#true, 27#L34true, 28#L26true, 14#L54true]) [2021-06-10 15:26:35,797 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 15:26:35,797 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 15:26:35,797 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 15:26:35,797 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 15:26:35,797 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([78] L34-->L35: Formula: (< v_x3_4 v_n_6) InVars {n=v_n_6, x3=v_x3_4} OutVars{n=v_n_6, x3=v_x3_4} AuxVars[] AssignedVars[][25], [17#thread1FINALtrue, Black: 48#(and (= x4 x3) (= x2 x1)), 51#true, Black: 53#(= x1 x2), Black: 54#(and (<= (+ x1 1) n) (= x2 x1)), 25#L53true, 58#true, 28#L26true, 12#L35true]) [2021-06-10 15:26:35,798 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-10 15:26:35,798 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 15:26:35,798 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-10 15:26:35,798 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-10 15:26:35,798 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([79] L34-->thread3FINAL: Formula: (not (< v_x3_3 v_n_5)) InVars {n=v_n_5, x3=v_x3_3} OutVars{n=v_n_5, x3=v_x3_3} AuxVars[] AssignedVars[][26], [17#thread1FINALtrue, Black: 48#(and (= x4 x3) (= x2 x1)), 51#true, 37#thread3FINALtrue, Black: 53#(= x1 x2), Black: 54#(and (<= (+ x1 1) n) (= x2 x1)), 25#L53true, 58#true, 28#L26true]) [2021-06-10 15:26:35,798 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-10 15:26:35,798 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 15:26:35,798 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-10 15:26:35,798 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-10 15:26:35,806 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([82] L42-->L43: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][28], [17#thread1FINALtrue, Black: 48#(and (= x4 x3) (= x2 x1)), 51#true, 21#L43true, Black: 53#(= x1 x2), Black: 54#(and (<= (+ x1 1) n) (= x2 x1)), 58#true, 27#L34true, 28#L26true, 14#L54true]) [2021-06-10 15:26:35,806 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 15:26:35,806 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 15:26:35,806 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 15:26:35,806 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 15:26:35,806 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 15:26:35,806 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([83] L42-->thread4FINAL: Formula: (not (< v_x4_6 v_n_8)) InVars {x4=v_x4_6, n=v_n_8} OutVars{x4=v_x4_6, n=v_n_8} AuxVars[] AssignedVars[][29], [17#thread1FINALtrue, Black: 48#(and (= x4 x3) (= x2 x1)), 51#true, 6#thread4FINALtrue, Black: 53#(= x1 x2), Black: 54#(and (<= (+ x1 1) n) (= x2 x1)), 58#true, 27#L34true, 28#L26true, 14#L54true]) [2021-06-10 15:26:35,807 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 15:26:35,807 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 15:26:35,807 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 15:26:35,807 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 15:26:35,807 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 15:26:35,808 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([82] L42-->L43: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][28], [32#thread2FINALtrue, 33#L18true, Black: 48#(and (= x4 x3) (= x2 x1)), 51#true, 21#L43true, Black: 53#(= x1 x2), Black: 54#(and (<= (+ x1 1) n) (= x2 x1)), 58#true, 27#L34true, 14#L54true]) [2021-06-10 15:26:35,809 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 15:26:35,809 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 15:26:35,809 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 15:26:35,809 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 15:26:35,809 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([83] L42-->thread4FINAL: Formula: (not (< v_x4_6 v_n_8)) InVars {x4=v_x4_6, n=v_n_8} OutVars{x4=v_x4_6, n=v_n_8} AuxVars[] AssignedVars[][29], [32#thread2FINALtrue, 33#L18true, Black: 48#(and (= x4 x3) (= x2 x1)), 51#true, 6#thread4FINALtrue, Black: 53#(= x1 x2), Black: 54#(and (<= (+ x1 1) n) (= x2 x1)), 58#true, 27#L34true, 14#L54true]) [2021-06-10 15:26:35,809 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 15:26:35,809 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 15:26:35,810 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 15:26:35,813 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 15:26:35,815 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([82] L42-->L43: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][28], [32#thread2FINALtrue, 17#thread1FINALtrue, Black: 48#(and (= x4 x3) (= x2 x1)), 51#true, 21#L43true, Black: 53#(= x1 x2), Black: 54#(and (<= (+ x1 1) n) (= x2 x1)), 58#true, 27#L34true, 14#L54true]) [2021-06-10 15:26:35,815 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 15:26:35,815 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 15:26:35,815 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 15:26:35,817 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 15:26:35,817 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([83] L42-->thread4FINAL: Formula: (not (< v_x4_6 v_n_8)) InVars {x4=v_x4_6, n=v_n_8} OutVars{x4=v_x4_6, n=v_n_8} AuxVars[] AssignedVars[][29], [32#thread2FINALtrue, 17#thread1FINALtrue, Black: 48#(and (= x4 x3) (= x2 x1)), 51#true, 6#thread4FINALtrue, Black: 53#(= x1 x2), Black: 54#(and (<= (+ x1 1) n) (= x2 x1)), 58#true, 27#L34true, 14#L54true]) [2021-06-10 15:26:35,817 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 15:26:35,817 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 15:26:35,817 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 15:26:35,817 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 15:26:35,823 INFO L129 PetriNetUnfolder]: 765/1192 cut-off events. [2021-06-10 15:26:35,823 INFO L130 PetriNetUnfolder]: For 721/785 co-relation queries the response was YES. [2021-06-10 15:26:35,827 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2968 conditions, 1192 events. 765/1192 cut-off events. For 721/785 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 6216 event pairs, 121 based on Foata normal form. 46/930 useless extension candidates. Maximal degree in co-relation 2881. Up to 575 conditions per place. [2021-06-10 15:26:35,835 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 26 selfloop transitions, 7 changer transitions 0/50 dead transitions. [2021-06-10 15:26:35,835 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 50 transitions, 247 flow [2021-06-10 15:26:35,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-10 15:26:35,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-10 15:26:35,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 111 transitions. [2021-06-10 15:26:35,840 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8409090909090909 [2021-06-10 15:26:35,840 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 111 transitions. [2021-06-10 15:26:35,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 111 transitions. [2021-06-10 15:26:35,840 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 15:26:35,840 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 111 transitions. [2021-06-10 15:26:35,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:35,842 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:35,842 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:35,842 INFO L185 Difference]: Start difference. First operand has 35 places, 35 transitions, 137 flow. Second operand 4 states and 111 transitions. [2021-06-10 15:26:35,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 50 transitions, 247 flow [2021-06-10 15:26:35,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 50 transitions, 242 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-10 15:26:35,846 INFO L241 Difference]: Finished difference. Result has 39 places, 37 transitions, 171 flow [2021-06-10 15:26:35,846 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=171, PETRI_PLACES=39, PETRI_TRANSITIONS=37} [2021-06-10 15:26:35,846 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 3 predicate places. [2021-06-10 15:26:35,846 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 37 transitions, 171 flow [2021-06-10 15:26:35,847 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:35,847 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 15:26:35,847 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 15:26:35,847 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-10 15:26:35,847 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 15:26:35,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 15:26:35,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1196078161, now seen corresponding path program 1 times [2021-06-10 15:26:35,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 15:26:35,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432309324] [2021-06-10 15:26:35,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 15:26:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:26:35,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:35,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:35,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:35,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:35,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:35,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:35,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:26:35,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432309324] [2021-06-10 15:26:35,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 15:26:35,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-10 15:26:35,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839913393] [2021-06-10 15:26:35,886 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-10 15:26:35,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 15:26:35,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-10 15:26:35,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-10 15:26:35,887 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-06-10 15:26:35,887 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 37 transitions, 171 flow. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:35,887 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 15:26:35,887 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-06-10 15:26:35,888 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 15:26:36,070 INFO L129 PetriNetUnfolder]: 922/1460 cut-off events. [2021-06-10 15:26:36,071 INFO L130 PetriNetUnfolder]: For 1513/1571 co-relation queries the response was YES. [2021-06-10 15:26:36,076 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3951 conditions, 1460 events. 922/1460 cut-off events. For 1513/1571 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 7641 event pairs, 70 based on Foata normal form. 33/1247 useless extension candidates. Maximal degree in co-relation 3888. Up to 534 conditions per place. [2021-06-10 15:26:36,089 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 46 selfloop transitions, 13 changer transitions 0/78 dead transitions. [2021-06-10 15:26:36,090 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 78 transitions, 495 flow [2021-06-10 15:26:36,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-10 15:26:36,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-10 15:26:36,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 140 transitions. [2021-06-10 15:26:36,092 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8484848484848485 [2021-06-10 15:26:36,092 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 140 transitions. [2021-06-10 15:26:36,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 140 transitions. [2021-06-10 15:26:36,092 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 15:26:36,092 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 140 transitions. [2021-06-10 15:26:36,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:36,094 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:36,095 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:36,095 INFO L185 Difference]: Start difference. First operand has 39 places, 37 transitions, 171 flow. Second operand 5 states and 140 transitions. [2021-06-10 15:26:36,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 78 transitions, 495 flow [2021-06-10 15:26:36,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 78 transitions, 490 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-10 15:26:36,101 INFO L241 Difference]: Finished difference. Result has 45 places, 47 transitions, 256 flow [2021-06-10 15:26:36,102 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=256, PETRI_PLACES=45, PETRI_TRANSITIONS=47} [2021-06-10 15:26:36,102 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 9 predicate places. [2021-06-10 15:26:36,102 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 47 transitions, 256 flow [2021-06-10 15:26:36,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:36,102 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 15:26:36,102 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 15:26:36,103 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-10 15:26:36,103 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 15:26:36,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 15:26:36,103 INFO L82 PathProgramCache]: Analyzing trace with hash -884914619, now seen corresponding path program 2 times [2021-06-10 15:26:36,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 15:26:36,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779103921] [2021-06-10 15:26:36,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 15:26:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:26:36,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:36,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:36,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:36,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:36,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:36,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:36,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:26:36,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779103921] [2021-06-10 15:26:36,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 15:26:36,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-10 15:26:36,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124573926] [2021-06-10 15:26:36,149 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-10 15:26:36,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 15:26:36,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-10 15:26:36,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-10 15:26:36,150 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-06-10 15:26:36,151 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 47 transitions, 256 flow. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:36,151 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 15:26:36,151 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-06-10 15:26:36,151 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 15:26:36,352 INFO L129 PetriNetUnfolder]: 853/1348 cut-off events. [2021-06-10 15:26:36,353 INFO L130 PetriNetUnfolder]: For 2167/2240 co-relation queries the response was YES. [2021-06-10 15:26:36,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4631 conditions, 1348 events. 853/1348 cut-off events. For 2167/2240 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 6604 event pairs, 55 based on Foata normal form. 94/1417 useless extension candidates. Maximal degree in co-relation 4568. Up to 394 conditions per place. [2021-06-10 15:26:36,365 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 49 selfloop transitions, 15 changer transitions 0/83 dead transitions. [2021-06-10 15:26:36,365 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 83 transitions, 597 flow [2021-06-10 15:26:36,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-10 15:26:36,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-10 15:26:36,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 140 transitions. [2021-06-10 15:26:36,367 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8484848484848485 [2021-06-10 15:26:36,367 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 140 transitions. [2021-06-10 15:26:36,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 140 transitions. [2021-06-10 15:26:36,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 15:26:36,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 140 transitions. [2021-06-10 15:26:36,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:36,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:36,370 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:36,370 INFO L185 Difference]: Start difference. First operand has 45 places, 47 transitions, 256 flow. Second operand 5 states and 140 transitions. [2021-06-10 15:26:36,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 83 transitions, 597 flow [2021-06-10 15:26:36,374 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 83 transitions, 597 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-10 15:26:36,375 INFO L241 Difference]: Finished difference. Result has 53 places, 52 transitions, 357 flow [2021-06-10 15:26:36,375 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=357, PETRI_PLACES=53, PETRI_TRANSITIONS=52} [2021-06-10 15:26:36,376 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 17 predicate places. [2021-06-10 15:26:36,376 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 52 transitions, 357 flow [2021-06-10 15:26:36,376 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:36,376 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 15:26:36,377 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 15:26:36,377 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-10 15:26:36,377 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 15:26:36,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 15:26:36,377 INFO L82 PathProgramCache]: Analyzing trace with hash -631000523, now seen corresponding path program 1 times [2021-06-10 15:26:36,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 15:26:36,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742149179] [2021-06-10 15:26:36,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 15:26:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:26:36,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:36,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:36,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:36,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:36,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:36,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:36,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:26:36,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742149179] [2021-06-10 15:26:36,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 15:26:36,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-10 15:26:36,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086738257] [2021-06-10 15:26:36,424 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-10 15:26:36,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 15:26:36,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-10 15:26:36,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-10 15:26:36,428 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-06-10 15:26:36,428 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 52 transitions, 357 flow. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:36,428 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 15:26:36,428 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-06-10 15:26:36,428 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 15:26:36,578 INFO L129 PetriNetUnfolder]: 858/1420 cut-off events. [2021-06-10 15:26:36,579 INFO L130 PetriNetUnfolder]: For 3736/3819 co-relation queries the response was YES. [2021-06-10 15:26:36,586 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5720 conditions, 1420 events. 858/1420 cut-off events. For 3736/3819 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 7554 event pairs, 55 based on Foata normal form. 48/1450 useless extension candidates. Maximal degree in co-relation 5649. Up to 626 conditions per place. [2021-06-10 15:26:36,597 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 54 selfloop transitions, 12 changer transitions 0/85 dead transitions. [2021-06-10 15:26:36,598 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 85 transitions, 708 flow [2021-06-10 15:26:36,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-10 15:26:36,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-10 15:26:36,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 139 transitions. [2021-06-10 15:26:36,599 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8424242424242424 [2021-06-10 15:26:36,599 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 139 transitions. [2021-06-10 15:26:36,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 139 transitions. [2021-06-10 15:26:36,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 15:26:36,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 139 transitions. [2021-06-10 15:26:36,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 27.8) internal successors, (139), 5 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:36,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:36,600 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:36,601 INFO L185 Difference]: Start difference. First operand has 53 places, 52 transitions, 357 flow. Second operand 5 states and 139 transitions. [2021-06-10 15:26:36,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 85 transitions, 708 flow [2021-06-10 15:26:36,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 85 transitions, 704 flow, removed 2 selfloop flow, removed 0 redundant places. [2021-06-10 15:26:36,612 INFO L241 Difference]: Finished difference. Result has 60 places, 56 transitions, 436 flow [2021-06-10 15:26:36,612 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=353, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=436, PETRI_PLACES=60, PETRI_TRANSITIONS=56} [2021-06-10 15:26:36,612 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 24 predicate places. [2021-06-10 15:26:36,612 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 56 transitions, 436 flow [2021-06-10 15:26:36,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:36,612 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 15:26:36,613 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] [2021-06-10 15:26:36,613 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-10 15:26:36,613 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 15:26:36,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 15:26:36,613 INFO L82 PathProgramCache]: Analyzing trace with hash 286954355, now seen corresponding path program 2 times [2021-06-10 15:26:36,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 15:26:36,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423469629] [2021-06-10 15:26:36,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 15:26:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:26:36,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:36,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:36,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:36,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:36,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:36,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:36,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:26:36,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423469629] [2021-06-10 15:26:36,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 15:26:36,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-10 15:26:36,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968110222] [2021-06-10 15:26:36,645 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-10 15:26:36,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 15:26:36,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-10 15:26:36,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-10 15:26:36,646 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-06-10 15:26:36,646 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 56 transitions, 436 flow. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:36,647 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 15:26:36,647 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-06-10 15:26:36,647 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 15:26:36,829 INFO L129 PetriNetUnfolder]: 966/1550 cut-off events. [2021-06-10 15:26:36,829 INFO L130 PetriNetUnfolder]: For 5296/5365 co-relation queries the response was YES. [2021-06-10 15:26:36,836 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6867 conditions, 1550 events. 966/1550 cut-off events. For 5296/5365 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 7774 event pairs, 55 based on Foata normal form. 93/1621 useless extension candidates. Maximal degree in co-relation 6793. Up to 561 conditions per place. [2021-06-10 15:26:36,848 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 56 selfloop transitions, 14 changer transitions 0/89 dead transitions. [2021-06-10 15:26:36,848 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 89 transitions, 794 flow [2021-06-10 15:26:36,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-10 15:26:36,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-10 15:26:36,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 139 transitions. [2021-06-10 15:26:36,849 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8424242424242424 [2021-06-10 15:26:36,849 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 139 transitions. [2021-06-10 15:26:36,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 139 transitions. [2021-06-10 15:26:36,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 15:26:36,850 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 139 transitions. [2021-06-10 15:26:36,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 27.8) internal successors, (139), 5 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:36,851 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:36,851 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:36,851 INFO L185 Difference]: Start difference. First operand has 60 places, 56 transitions, 436 flow. Second operand 5 states and 139 transitions. [2021-06-10 15:26:36,851 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 89 transitions, 794 flow [2021-06-10 15:26:36,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 89 transitions, 777 flow, removed 5 selfloop flow, removed 1 redundant places. [2021-06-10 15:26:36,869 INFO L241 Difference]: Finished difference. Result has 66 places, 59 transitions, 502 flow [2021-06-10 15:26:36,869 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=391, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=502, PETRI_PLACES=66, PETRI_TRANSITIONS=59} [2021-06-10 15:26:36,869 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 30 predicate places. [2021-06-10 15:26:36,869 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 59 transitions, 502 flow [2021-06-10 15:26:36,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:36,870 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 15:26:36,870 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 15:26:36,870 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-10 15:26:36,870 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 15:26:36,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 15:26:36,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1606481141, now seen corresponding path program 3 times [2021-06-10 15:26:36,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 15:26:36,871 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116846123] [2021-06-10 15:26:36,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 15:26:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:26:36,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:36,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:36,891 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-06-10 15:26:36,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:36,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:36,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:36,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:36,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:36,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:26:36,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116846123] [2021-06-10 15:26:36,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 15:26:36,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-10 15:26:36,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725700560] [2021-06-10 15:26:36,906 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-10 15:26:36,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 15:26:36,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-10 15:26:36,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-10 15:26:36,908 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-06-10 15:26:36,909 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 59 transitions, 502 flow. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:36,909 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 15:26:36,909 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-06-10 15:26:36,909 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 15:26:37,118 INFO L129 PetriNetUnfolder]: 1216/2004 cut-off events. [2021-06-10 15:26:37,119 INFO L130 PetriNetUnfolder]: For 9384/9666 co-relation queries the response was YES. [2021-06-10 15:26:37,128 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8884 conditions, 2004 events. 1216/2004 cut-off events. For 9384/9666 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 11737 event pairs, 213 based on Foata normal form. 177/2026 useless extension candidates. Maximal degree in co-relation 8717. Up to 589 conditions per place. [2021-06-10 15:26:37,153 INFO L132 encePairwiseOnDemand]: 27/33 looper letters, 88 selfloop transitions, 9 changer transitions 0/122 dead transitions. [2021-06-10 15:26:37,153 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 122 transitions, 1286 flow [2021-06-10 15:26:37,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-10 15:26:37,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-10 15:26:37,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 138 transitions. [2021-06-10 15:26:37,155 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8363636363636363 [2021-06-10 15:26:37,155 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 138 transitions. [2021-06-10 15:26:37,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 138 transitions. [2021-06-10 15:26:37,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 15:26:37,155 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 138 transitions. [2021-06-10 15:26:37,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 27.6) internal successors, (138), 5 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:37,156 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:37,156 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:37,156 INFO L185 Difference]: Start difference. First operand has 66 places, 59 transitions, 502 flow. Second operand 5 states and 138 transitions. [2021-06-10 15:26:37,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 122 transitions, 1286 flow [2021-06-10 15:26:37,172 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 122 transitions, 1257 flow, removed 10 selfloop flow, removed 1 redundant places. [2021-06-10 15:26:37,175 INFO L241 Difference]: Finished difference. Result has 71 places, 60 transitions, 526 flow [2021-06-10 15:26:37,175 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=491, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=526, PETRI_PLACES=71, PETRI_TRANSITIONS=60} [2021-06-10 15:26:37,175 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 35 predicate places. [2021-06-10 15:26:37,175 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 60 transitions, 526 flow [2021-06-10 15:26:37,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:37,175 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 15:26:37,175 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 15:26:37,176 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-10 15:26:37,176 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 15:26:37,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 15:26:37,176 INFO L82 PathProgramCache]: Analyzing trace with hash -113835901, now seen corresponding path program 1 times [2021-06-10 15:26:37,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 15:26:37,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947489091] [2021-06-10 15:26:37,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 15:26:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:26:37,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:37,208 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-06-10 15:26:37,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:37,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:37,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:37,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:26:37,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947489091] [2021-06-10 15:26:37,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2012925630] [2021-06-10 15:26:37,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 15:26:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:26:37,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-10 15:26:37,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 15:26:37,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:37,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:37,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:37,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:37,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:37,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:37,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:37,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:37,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:37,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:37,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:37,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:37,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:37,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:37,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:37,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:37,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:37,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:37,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:37,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:37,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:37,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:37,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:37,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:37,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:37,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:37,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:37,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:37,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:37,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:37,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:37,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 15:26:37,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:37,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:37,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:37,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:37,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:37,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:37,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:37,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:37,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:37,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:37,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:37,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:37,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:37,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:37,400 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-06-10 15:26:37,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:37,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:37,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:37,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:37,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:37,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:37,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:37,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:37,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:37,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:37,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:37,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:37,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:37,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:37,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:37,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:37,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:37,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:37,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:37,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:37,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:37,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:37,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:37,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:37,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:37,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:37,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:37,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:37,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:37,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:26:37,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 15:26:37,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 5 [2021-06-10 15:26:37,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069884426] [2021-06-10 15:26:37,421 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-10 15:26:37,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 15:26:37,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-10 15:26:37,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-06-10 15:26:37,422 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-06-10 15:26:37,423 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 60 transitions, 526 flow. Second operand has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 6 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:37,423 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 15:26:37,423 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-06-10 15:26:37,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 15:26:37,742 INFO L129 PetriNetUnfolder]: 1419/2294 cut-off events. [2021-06-10 15:26:37,743 INFO L130 PetriNetUnfolder]: For 12366/12660 co-relation queries the response was YES. [2021-06-10 15:26:37,757 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10895 conditions, 2294 events. 1419/2294 cut-off events. For 12366/12660 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 13458 event pairs, 240 based on Foata normal form. 202/2388 useless extension candidates. Maximal degree in co-relation 10757. Up to 746 conditions per place. [2021-06-10 15:26:37,782 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 108 selfloop transitions, 11 changer transitions 0/144 dead transitions. [2021-06-10 15:26:37,782 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 144 transitions, 1542 flow [2021-06-10 15:26:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-10 15:26:37,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-10 15:26:37,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 165 transitions. [2021-06-10 15:26:37,783 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334 [2021-06-10 15:26:37,783 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 165 transitions. [2021-06-10 15:26:37,783 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 165 transitions. [2021-06-10 15:26:37,784 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 15:26:37,784 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 165 transitions. [2021-06-10 15:26:37,784 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 27.5) internal successors, (165), 6 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:37,785 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 33.0) internal successors, (231), 7 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:37,785 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 33.0) internal successors, (231), 7 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:37,785 INFO L185 Difference]: Start difference. First operand has 71 places, 60 transitions, 526 flow. Second operand 6 states and 165 transitions. [2021-06-10 15:26:37,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 144 transitions, 1542 flow [2021-06-10 15:26:37,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 144 transitions, 1533 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-10 15:26:37,825 INFO L241 Difference]: Finished difference. Result has 77 places, 63 transitions, 578 flow [2021-06-10 15:26:37,825 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=517, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=578, PETRI_PLACES=77, PETRI_TRANSITIONS=63} [2021-06-10 15:26:37,826 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 41 predicate places. [2021-06-10 15:26:37,826 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 63 transitions, 578 flow [2021-06-10 15:26:37,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 6 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:37,826 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 15:26:37,826 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 15:26:38,041 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-06-10 15:26:38,041 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 15:26:38,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 15:26:38,041 INFO L82 PathProgramCache]: Analyzing trace with hash -2031046509, now seen corresponding path program 1 times [2021-06-10 15:26:38,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 15:26:38,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43487669] [2021-06-10 15:26:38,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 15:26:38,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:26:38,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:38,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:38,105 INFO L142 QuantifierPusher]: treesize reduction 11, result has 52.2 percent of original size [2021-06-10 15:26:38,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 15:26:38,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:38,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-10 15:26:38,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43487669] [2021-06-10 15:26:38,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995909522] [2021-06-10 15:26:38,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 15:26:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:26:38,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-10 15:26:38,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 15:26:38,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:38,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:38,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:38,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:38,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:38,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:38,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:38,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:38,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:38,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:38,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:38,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:38,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:38,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:38,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:38,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:38,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:38,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:38,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:38,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:38,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:38,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:38,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:38,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:38,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:38,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:38,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:38,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:38,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:38,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:38,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:38,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:38,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:38,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:38,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:38,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:38,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:38,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:38,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:38,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:38,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:38,312 INFO L142 QuantifierPusher]: treesize reduction 5, result has 84.4 percent of original size [2021-06-10 15:26:38,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:38,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:38,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 15:26:38,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-10 15:26:38,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:38,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:38,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:38,351 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:26:38,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 15:26:38,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4] total 4 [2021-06-10 15:26:38,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447717392] [2021-06-10 15:26:38,352 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-10 15:26:38,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 15:26:38,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-10 15:26:38,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-10 15:26:38,353 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 33 [2021-06-10 15:26:38,353 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 63 transitions, 578 flow. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:38,353 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 15:26:38,353 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 33 [2021-06-10 15:26:38,353 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 15:26:38,756 INFO L129 PetriNetUnfolder]: 2038/3153 cut-off events. [2021-06-10 15:26:38,756 INFO L130 PetriNetUnfolder]: For 21033/21073 co-relation queries the response was YES. [2021-06-10 15:26:38,770 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17318 conditions, 3153 events. 2038/3153 cut-off events. For 21033/21073 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 16916 event pairs, 427 based on Foata normal form. 2/3129 useless extension candidates. Maximal degree in co-relation 17217. Up to 2221 conditions per place. [2021-06-10 15:26:38,793 INFO L132 encePairwiseOnDemand]: 27/33 looper letters, 96 selfloop transitions, 22 changer transitions 0/131 dead transitions. [2021-06-10 15:26:38,793 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 131 transitions, 1486 flow [2021-06-10 15:26:38,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-10 15:26:38,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-10 15:26:38,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 142 transitions. [2021-06-10 15:26:38,795 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8606060606060606 [2021-06-10 15:26:38,795 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 142 transitions. [2021-06-10 15:26:38,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 142 transitions. [2021-06-10 15:26:38,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 15:26:38,795 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 142 transitions. [2021-06-10 15:26:38,795 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 28.4) internal successors, (142), 5 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:38,796 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:38,797 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:38,797 INFO L185 Difference]: Start difference. First operand has 77 places, 63 transitions, 578 flow. Second operand 5 states and 142 transitions. [2021-06-10 15:26:38,797 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 131 transitions, 1486 flow [2021-06-10 15:26:38,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 131 transitions, 1457 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-06-10 15:26:38,829 INFO L241 Difference]: Finished difference. Result has 81 places, 80 transitions, 850 flow [2021-06-10 15:26:38,830 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=565, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=850, PETRI_PLACES=81, PETRI_TRANSITIONS=80} [2021-06-10 15:26:38,830 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 45 predicate places. [2021-06-10 15:26:38,830 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 80 transitions, 850 flow [2021-06-10 15:26:38,830 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:38,830 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 15:26:38,831 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 15:26:39,052 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-10 15:26:39,053 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 15:26:39,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 15:26:39,053 INFO L82 PathProgramCache]: Analyzing trace with hash -893919483, now seen corresponding path program 2 times [2021-06-10 15:26:39,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 15:26:39,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803680123] [2021-06-10 15:26:39,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 15:26:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:26:39,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:39,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:39,092 INFO L142 QuantifierPusher]: treesize reduction 11, result has 52.2 percent of original size [2021-06-10 15:26:39,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 15:26:39,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:39,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-10 15:26:39,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803680123] [2021-06-10 15:26:39,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [149042022] [2021-06-10 15:26:39,099 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-10 15:26:39,154 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-10 15:26:39,154 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 15:26:39,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjunts are in the unsatisfiable core Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 15:26:39,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 15:26:39,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:39,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:39,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:39,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:39,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:39,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:39,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:39,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:39,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:39,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:39,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:39,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:39,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:39,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:39,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:39,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:39,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:39,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:39,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:39,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:39,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:39,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:39,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:39,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:39,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:39,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:39,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:39,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:39,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:39,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:39,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:39,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:39,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:39,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:39,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:39,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:39,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:39,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:39,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:39,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:39,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:39,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:39,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:39,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:39,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:39,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:39,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:39,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:39,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:39,259 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size [2021-06-10 15:26:39,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 15:26:39,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:39,271 INFO L142 QuantifierPusher]: treesize reduction -2, result has 109.5 percent of original size [2021-06-10 15:26:39,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:39,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 15:26:39,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:39,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:39,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:39,275 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:26:39,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 15:26:39,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4] total 4 [2021-06-10 15:26:39,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661549873] [2021-06-10 15:26:39,277 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-10 15:26:39,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 15:26:39,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-10 15:26:39,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-10 15:26:39,280 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 33 [2021-06-10 15:26:39,280 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 80 transitions, 850 flow. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:39,280 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 15:26:39,280 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 33 [2021-06-10 15:26:39,280 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 15:26:39,732 INFO L129 PetriNetUnfolder]: 2497/3868 cut-off events. [2021-06-10 15:26:39,732 INFO L130 PetriNetUnfolder]: For 26529/26569 co-relation queries the response was YES. [2021-06-10 15:26:39,751 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22163 conditions, 3868 events. 2497/3868 cut-off events. For 26529/26569 co-relation queries the response was YES. Maximal size of possible extension queue 263. Compared 21540 event pairs, 441 based on Foata normal form. 2/3844 useless extension candidates. Maximal degree in co-relation 22043. Up to 2863 conditions per place. [2021-06-10 15:26:39,782 INFO L132 encePairwiseOnDemand]: 27/33 looper letters, 113 selfloop transitions, 22 changer transitions 0/148 dead transitions. [2021-06-10 15:26:39,782 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 148 transitions, 1814 flow [2021-06-10 15:26:39,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-10 15:26:39,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-10 15:26:39,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 142 transitions. [2021-06-10 15:26:39,784 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8606060606060606 [2021-06-10 15:26:39,784 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 142 transitions. [2021-06-10 15:26:39,784 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 142 transitions. [2021-06-10 15:26:39,784 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 15:26:39,784 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 142 transitions. [2021-06-10 15:26:39,785 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 28.4) internal successors, (142), 5 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:39,785 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:39,785 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:39,785 INFO L185 Difference]: Start difference. First operand has 81 places, 80 transitions, 850 flow. Second operand 5 states and 142 transitions. [2021-06-10 15:26:39,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 148 transitions, 1814 flow [2021-06-10 15:26:39,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 148 transitions, 1793 flow, removed 8 selfloop flow, removed 1 redundant places. [2021-06-10 15:26:39,830 INFO L241 Difference]: Finished difference. Result has 86 places, 97 transitions, 1148 flow [2021-06-10 15:26:39,830 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=829, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1148, PETRI_PLACES=86, PETRI_TRANSITIONS=97} [2021-06-10 15:26:39,830 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 50 predicate places. [2021-06-10 15:26:39,830 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 97 transitions, 1148 flow [2021-06-10 15:26:39,830 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:39,830 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 15:26:39,830 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 15:26:40,051 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-06-10 15:26:40,051 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 15:26:40,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 15:26:40,052 INFO L82 PathProgramCache]: Analyzing trace with hash -827419351, now seen corresponding path program 1 times [2021-06-10 15:26:40,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 15:26:40,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933049745] [2021-06-10 15:26:40,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 15:26:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:26:40,070 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-10 15:26:40,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:40,076 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-10 15:26:40,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:40,085 INFO L142 QuantifierPusher]: treesize reduction 15, result has 44.4 percent of original size [2021-06-10 15:26:40,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 15:26:40,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:40,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-10 15:26:40,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933049745] [2021-06-10 15:26:40,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713104080] [2021-06-10 15:26:40,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-10 15:26:40,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:26:40,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjunts are in the unsatisfiable core Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 15:26:40,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 15:26:40,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:40,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:40,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:40,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:40,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:40,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:40,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:40,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:40,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:40,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:40,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:40,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:40,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:40,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:40,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:40,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:40,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:40,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:40,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:40,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:40,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:40,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:40,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:40,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:40,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:40,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:40,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:40,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:40,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:40,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:40,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:40,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:40,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:40,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:40,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:40,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:40,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:40,207 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size [2021-06-10 15:26:40,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 15:26:40,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:40,225 INFO L142 QuantifierPusher]: treesize reduction -2, result has 109.5 percent of original size [2021-06-10 15:26:40,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:40,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 15:26:40,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:40,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:40,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:40,229 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:26:40,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 15:26:40,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4] total 4 [2021-06-10 15:26:40,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885500169] [2021-06-10 15:26:40,231 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-10 15:26:40,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 15:26:40,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-10 15:26:40,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-10 15:26:40,232 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 33 [2021-06-10 15:26:40,232 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 97 transitions, 1148 flow. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:40,232 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 15:26:40,232 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 33 [2021-06-10 15:26:40,232 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 15:26:40,768 INFO L129 PetriNetUnfolder]: 2920/4557 cut-off events. [2021-06-10 15:26:40,769 INFO L130 PetriNetUnfolder]: For 33357/33397 co-relation queries the response was YES. [2021-06-10 15:26:40,792 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26658 conditions, 4557 events. 2920/4557 cut-off events. For 33357/33397 co-relation queries the response was YES. Maximal size of possible extension queue 356. Compared 27423 event pairs, 136 based on Foata normal form. 3/4536 useless extension candidates. Maximal degree in co-relation 26452. Up to 3486 conditions per place. [2021-06-10 15:26:40,828 INFO L132 encePairwiseOnDemand]: 27/33 looper letters, 123 selfloop transitions, 15 changer transitions 0/151 dead transitions. [2021-06-10 15:26:40,828 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 151 transitions, 1934 flow [2021-06-10 15:26:40,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-10 15:26:40,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-10 15:26:40,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 142 transitions. [2021-06-10 15:26:40,830 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8606060606060606 [2021-06-10 15:26:40,830 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 142 transitions. [2021-06-10 15:26:40,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 142 transitions. [2021-06-10 15:26:40,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 15:26:40,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 142 transitions. [2021-06-10 15:26:40,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 28.4) internal successors, (142), 5 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:40,831 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:40,831 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:40,831 INFO L185 Difference]: Start difference. First operand has 86 places, 97 transitions, 1148 flow. Second operand 5 states and 142 transitions. [2021-06-10 15:26:40,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 151 transitions, 1934 flow [2021-06-10 15:26:40,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 151 transitions, 1881 flow, removed 24 selfloop flow, removed 1 redundant places. [2021-06-10 15:26:40,881 INFO L241 Difference]: Finished difference. Result has 90 places, 107 transitions, 1267 flow [2021-06-10 15:26:40,881 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=1095, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1267, PETRI_PLACES=90, PETRI_TRANSITIONS=107} [2021-06-10 15:26:40,881 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 54 predicate places. [2021-06-10 15:26:40,881 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 107 transitions, 1267 flow [2021-06-10 15:26:40,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:40,881 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 15:26:40,882 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 15:26:41,103 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 15:26:41,104 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 15:26:41,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 15:26:41,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1373182381, now seen corresponding path program 2 times [2021-06-10 15:26:41,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 15:26:41,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703349588] [2021-06-10 15:26:41,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 15:26:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:26:41,118 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-10 15:26:41,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,123 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-10 15:26:41,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:41,130 INFO L142 QuantifierPusher]: treesize reduction 15, result has 44.4 percent of original size [2021-06-10 15:26:41,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 15:26:41,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:41,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-10 15:26:41,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703349588] [2021-06-10 15:26:41,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755338566] [2021-06-10 15:26:41,133 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 15:26:41,176 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-10 15:26:41,177 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 15:26:41,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-10 15:26:41,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 15:26:41,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:41,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:41,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:41,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:41,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:41,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:41,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:41,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:41,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:41,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:41,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:41,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:41,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:41,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:41,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:41,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:41,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:41,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:41,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:41,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:41,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:41,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:41,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:41,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:41,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:41,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:41,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:41,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:41,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:41,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:41,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:41,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:41,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:41,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:41,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:41,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:41,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:41,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:41,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:41,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:41,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:41,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:41,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:41,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:41,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:26:41,248 INFO L142 QuantifierPusher]: treesize reduction 5, result has 84.4 percent of original size [2021-06-10 15:26:41,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:41,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:41,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-06-10 15:26:41,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-06-10 15:26:41,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:41,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:41,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:41,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:26:41,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 15:26:41,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4] total 4 [2021-06-10 15:26:41,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702578726] [2021-06-10 15:26:41,278 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-10 15:26:41,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 15:26:41,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-10 15:26:41,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-10 15:26:41,279 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 33 [2021-06-10 15:26:41,279 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 107 transitions, 1267 flow. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:41,279 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 15:26:41,279 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 33 [2021-06-10 15:26:41,279 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 15:26:41,874 INFO L129 PetriNetUnfolder]: 3343/5231 cut-off events. [2021-06-10 15:26:41,874 INFO L130 PetriNetUnfolder]: For 40400/40440 co-relation queries the response was YES. [2021-06-10 15:26:41,904 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30908 conditions, 5231 events. 3343/5231 cut-off events. For 40400/40440 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 32663 event pairs, 530 based on Foata normal form. 3/5210 useless extension candidates. Maximal degree in co-relation 30685. Up to 4071 conditions per place. [2021-06-10 15:26:41,949 INFO L132 encePairwiseOnDemand]: 27/33 looper letters, 133 selfloop transitions, 15 changer transitions 0/161 dead transitions. [2021-06-10 15:26:41,949 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 161 transitions, 2095 flow [2021-06-10 15:26:41,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-10 15:26:41,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-10 15:26:41,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 142 transitions. [2021-06-10 15:26:41,950 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8606060606060606 [2021-06-10 15:26:41,951 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 142 transitions. [2021-06-10 15:26:41,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 142 transitions. [2021-06-10 15:26:41,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 15:26:41,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 142 transitions. [2021-06-10 15:26:41,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 28.4) internal successors, (142), 5 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:41,952 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:41,952 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:41,952 INFO L185 Difference]: Start difference. First operand has 90 places, 107 transitions, 1267 flow. Second operand 5 states and 142 transitions. [2021-06-10 15:26:41,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 161 transitions, 2095 flow [2021-06-10 15:26:42,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 161 transitions, 2080 flow, removed 5 selfloop flow, removed 1 redundant places. [2021-06-10 15:26:42,027 INFO L241 Difference]: Finished difference. Result has 94 places, 117 transitions, 1445 flow [2021-06-10 15:26:42,027 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=1252, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1445, PETRI_PLACES=94, PETRI_TRANSITIONS=117} [2021-06-10 15:26:42,027 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 58 predicate places. [2021-06-10 15:26:42,027 INFO L480 AbstractCegarLoop]: Abstraction has has 94 places, 117 transitions, 1445 flow [2021-06-10 15:26:42,027 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:42,027 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 15:26:42,028 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 15:26:42,240 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-06-10 15:26:42,241 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 15:26:42,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 15:26:42,241 INFO L82 PathProgramCache]: Analyzing trace with hash 2074849227, now seen corresponding path program 3 times [2021-06-10 15:26:42,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 15:26:42,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783401983] [2021-06-10 15:26:42,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 15:26:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:26:42,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:42,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:42,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:42,272 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:26:42,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783401983] [2021-06-10 15:26:42,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144412271] [2021-06-10 15:26:42,272 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 15:26:42,302 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-10 15:26:42,302 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 15:26:42,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-10 15:26:42,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 15:26:42,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:42,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:42,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:42,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:42,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:42,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:42,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:42,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:42,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:42,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:42,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:42,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:42,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:42,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:42,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:42,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:42,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:42,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:42,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:42,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:42,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:42,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:42,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:42,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:42,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:42,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:42,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:42,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:42,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:42,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:42,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:42,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:42,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:42,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:42,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:42,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:42,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:26:42,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:42,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:42,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:26:42,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:42,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:42,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:42,397 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-06-10 15:26:42,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 15:26:42,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:42,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:42,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 15:26:42,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:42,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:42,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:42,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:42,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:42,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:42,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:42,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:42,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:42,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:42,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:42,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:42,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:42,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:42,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:42,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:42,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:42,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:42,419 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:26:42,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 15:26:42,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-10 15:26:42,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027087862] [2021-06-10 15:26:42,420 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-10 15:26:42,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 15:26:42,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-10 15:26:42,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-10 15:26:42,421 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-06-10 15:26:42,421 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 117 transitions, 1445 flow. Second operand has 8 states, 8 states have (on average 22.25) internal successors, (178), 8 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:42,421 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 15:26:42,421 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-06-10 15:26:42,422 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 15:26:43,523 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([83] L42-->thread4FINAL: Formula: (not (< v_x4_6 v_n_8)) InVars {x4=v_x4_6, n=v_n_8} OutVars{x4=v_x4_6, n=v_n_8} AuxVars[] AssignedVars[][337], [Black: 61#(and (= x2 x1) (<= n x2)), 65#true, Black: 226#(and (<= (* 2 (div x4 2)) x3) (= x2 x1) (= (mod x4 2) 0) (<= x3 (* 2 (div x4 2)))), Black: 189#(and (<= (* 2 x4) x3) (<= x3 (* 2 x4)) (= x2 x1)), 260#true, 6#thread4FINALtrue, Black: 67#(<= x4 x3), Black: 68#(<= n x3), Black: 70#(and (<= n x3) (<= x4 x3)), 75#true, Black: 263#(and (<= x4 (* 2 x3)) (= x2 x1) (<= (* 2 x3) x4)), Black: 303#(and (= (mod x3 (- 2)) 0) (<= (* 2 (div (* x3 (- 1)) (- 2))) x4) (<= x4 (* 2 (div (* x3 (- 1)) (- 2)))) (= x2 x1)), 13#L27true, 334#true, 14#L54true, 15#L19true, Black: 80#(and (<= (+ x4 1) n) (<= x4 x3)), Black: 77#(<= x4 x3), Black: 78#(<= (+ x4 1) n), Black: 368#(and (= (mod x2 (- 2)) 0) (= x4 x3) (<= (* 2 (div (* x2 (- 1)) (- 2))) x1) (<= x1 (* 2 (div (* x2 (- 1)) (- 2))))), 407#true, 89#(<= n x4), 27#L34true, Black: 86#true, Black: 453#(and (<= x2 (* 2 (div x1 2))) (= (mod x1 2) 0) (= x4 x3) (<= (* 2 (div x1 2)) x2)), Black: 91#(and (<= x3 x4) (<= n x4)), 96#true, 485#(<= (+ x2 1) n), Black: 99#(<= (+ x3 1) n), Black: 101#(and (<= (+ x3 1) n) (<= x3 x4)), 110#(<= (+ x2 1) n), Black: 106#true, Black: 48#(and (= x4 x3) (= x2 x1)), 118#(<= (+ x1 1) n), Black: 114#true, Black: 53#(= x1 x2), Black: 181#(and (<= (+ x1 1) n) (<= x1 x2)), Black: 54#(and (<= (+ x1 1) n) (= x2 x1)), 186#true, Black: 60#(= x1 x2)]) [2021-06-10 15:26:43,524 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-06-10 15:26:43,524 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 15:26:43,524 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-06-10 15:26:43,524 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-06-10 15:26:43,524 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([79] L34-->thread3FINAL: Formula: (not (< v_x3_3 v_n_5)) InVars {n=v_n_5, x3=v_x3_3} OutVars{n=v_n_5, x3=v_x3_3} AuxVars[] AssignedVars[][339], [Black: 61#(and (= x2 x1) (<= n x2)), Black: 226#(and (<= (* 2 (div x4 2)) x3) (= x2 x1) (= (mod x4 2) 0) (<= x3 (* 2 (div x4 2)))), Black: 189#(and (<= (* 2 x4) x3) (<= x3 (* 2 x4)) (= x2 x1)), 68#(<= n x3), 260#true, Black: 67#(<= x4 x3), Black: 70#(and (<= n x3) (<= x4 x3)), 75#true, Black: 263#(and (<= x4 (* 2 x3)) (= x2 x1) (<= (* 2 x3) x4)), Black: 303#(and (= (mod x3 (- 2)) 0) (<= (* 2 (div (* x3 (- 1)) (- 2))) x4) (<= x4 (* 2 (div (* x3 (- 1)) (- 2)))) (= x2 x1)), 13#L27true, 334#true, 14#L54true, 15#L19true, Black: 80#(and (<= (+ x4 1) n) (<= x4 x3)), Black: 77#(<= x4 x3), Black: 78#(<= (+ x4 1) n), 86#true, Black: 368#(and (= (mod x2 (- 2)) 0) (= x4 x3) (<= (* 2 (div (* x2 (- 1)) (- 2))) x1) (<= x1 (* 2 (div (* x2 (- 1)) (- 2))))), 407#true, 24#L42true, Black: 89#(<= n x4), Black: 453#(and (<= x2 (* 2 (div x1 2))) (= (mod x1 2) 0) (= x4 x3) (<= (* 2 (div x1 2)) x2)), Black: 91#(and (<= x3 x4) (<= n x4)), 96#true, 37#thread3FINALtrue, 485#(<= (+ x2 1) n), Black: 99#(<= (+ x3 1) n), Black: 101#(and (<= (+ x3 1) n) (<= x3 x4)), 110#(<= (+ x2 1) n), Black: 106#true, Black: 48#(and (= x4 x3) (= x2 x1)), 118#(<= (+ x1 1) n), Black: 114#true, Black: 53#(= x1 x2), Black: 181#(and (<= (+ x1 1) n) (<= x1 x2)), Black: 54#(and (<= (+ x1 1) n) (= x2 x1)), 186#true, Black: 60#(= x1 x2)]) [2021-06-10 15:26:43,524 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-06-10 15:26:43,524 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-06-10 15:26:43,524 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 15:26:43,524 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-06-10 15:26:43,524 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([76] L27-->L26: Formula: (= v_x2_2 (* v_x2_3 2)) InVars {x2=v_x2_3} OutVars{x2=v_x2_2} AuxVars[] AssignedVars[x2][162], [Black: 61#(and (= x2 x1) (<= n x2)), 65#true, Black: 226#(and (<= (* 2 (div x4 2)) x3) (= x2 x1) (= (mod x4 2) 0) (<= x3 (* 2 (div x4 2)))), Black: 189#(and (<= (* 2 x4) x3) (<= x3 (* 2 x4)) (= x2 x1)), 260#true, Black: 67#(<= x4 x3), Black: 68#(<= n x3), Black: 70#(and (<= n x3) (<= x4 x3)), 75#true, Black: 263#(and (<= x4 (* 2 x3)) (= x2 x1) (<= (* 2 x3) x4)), Black: 303#(and (= (mod x3 (- 2)) 0) (<= (* 2 (div (* x3 (- 1)) (- 2))) x4) (<= x4 (* 2 (div (* x3 (- 1)) (- 2)))) (= x2 x1)), 334#true, 14#L54true, 15#L19true, Black: 80#(and (<= (+ x4 1) n) (<= x4 x3)), Black: 77#(<= x4 x3), Black: 78#(<= (+ x4 1) n), 86#true, Black: 368#(and (= (mod x2 (- 2)) 0) (= x4 x3) (<= (* 2 (div (* x2 (- 1)) (- 2))) x1) (<= x1 (* 2 (div (* x2 (- 1)) (- 2))))), 407#true, 24#L42true, 27#L34true, 28#L26true, Black: 89#(<= n x4), Black: 453#(and (<= x2 (* 2 (div x1 2))) (= (mod x1 2) 0) (= x4 x3) (<= (* 2 (div x1 2)) x2)), Black: 91#(and (<= x3 x4) (<= n x4)), 96#true, 480#true, Black: 99#(<= (+ x3 1) n), Black: 101#(and (<= (+ x3 1) n) (<= x3 x4)), 106#true, Black: 110#(<= (+ x2 1) n), Black: 48#(and (= x4 x3) (= x2 x1)), 118#(<= (+ x1 1) n), Black: 114#true, Black: 53#(= x1 x2), Black: 181#(and (<= (+ x1 1) n) (<= x1 x2)), Black: 54#(and (<= (+ x1 1) n) (= x2 x1)), 186#true, Black: 60#(= x1 x2)]) [2021-06-10 15:26:43,524 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-06-10 15:26:43,524 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-06-10 15:26:43,524 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-06-10 15:26:43,525 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 15:26:43,525 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([72] L19-->L18: Formula: (= v_x1_2 (* v_x1_3 2)) InVars {x1=v_x1_3} OutVars{x1=v_x1_2} AuxVars[] AssignedVars[x1][210], [Black: 61#(and (= x2 x1) (<= n x2)), 65#true, Black: 226#(and (<= (* 2 (div x4 2)) x3) (= x2 x1) (= (mod x4 2) 0) (<= x3 (* 2 (div x4 2)))), Black: 189#(and (<= (* 2 x4) x3) (<= x3 (* 2 x4)) (= x2 x1)), 260#true, Black: 67#(<= x4 x3), Black: 68#(<= n x3), Black: 70#(and (<= n x3) (<= x4 x3)), 75#true, Black: 263#(and (<= x4 (* 2 x3)) (= x2 x1) (<= (* 2 x3) x4)), Black: 303#(and (= (mod x3 (- 2)) 0) (<= (* 2 (div (* x3 (- 1)) (- 2))) x4) (<= x4 (* 2 (div (* x3 (- 1)) (- 2)))) (= x2 x1)), 13#L27true, 14#L54true, 334#true, Black: 80#(and (<= (+ x4 1) n) (<= x4 x3)), Black: 77#(<= x4 x3), Black: 78#(<= (+ x4 1) n), 86#true, Black: 368#(and (= (mod x2 (- 2)) 0) (= x4 x3) (<= (* 2 (div (* x2 (- 1)) (- 2))) x1) (<= x1 (* 2 (div (* x2 (- 1)) (- 2))))), 407#true, 24#L42true, 27#L34true, Black: 89#(<= n x4), Black: 453#(and (<= x2 (* 2 (div x1 2))) (= (mod x1 2) 0) (= x4 x3) (<= (* 2 (div x1 2)) x2)), Black: 91#(and (<= x3 x4) (<= n x4)), 96#true, 33#L18true, 485#(<= (+ x2 1) n), Black: 99#(<= (+ x3 1) n), Black: 101#(and (<= (+ x3 1) n) (<= x3 x4)), 110#(<= (+ x2 1) n), Black: 106#true, 114#true, Black: 48#(and (= x4 x3) (= x2 x1)), Black: 53#(= x1 x2), Black: 181#(and (<= (+ x1 1) n) (<= x1 x2)), Black: 118#(<= (+ x1 1) n), Black: 54#(and (<= (+ x1 1) n) (= x2 x1)), 186#true, Black: 60#(= x1 x2)]) [2021-06-10 15:26:43,525 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-06-10 15:26:43,525 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-06-10 15:26:43,525 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-06-10 15:26:43,525 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 15:26:43,525 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([78] L34-->L35: Formula: (< v_x3_4 v_n_6) InVars {n=v_n_6, x3=v_x3_4} OutVars{n=v_n_6, x3=v_x3_4} AuxVars[] AssignedVars[][166], [Black: 61#(and (= x2 x1) (<= n x2)), 65#true, Black: 226#(and (<= (* 2 (div x4 2)) x3) (= x2 x1) (= (mod x4 2) 0) (<= x3 (* 2 (div x4 2)))), Black: 189#(and (<= (* 2 x4) x3) (<= x3 (* 2 x4)) (= x2 x1)), 260#true, Black: 67#(<= x4 x3), Black: 68#(<= n x3), Black: 70#(and (<= n x3) (<= x4 x3)), 75#true, 12#L35true, Black: 263#(and (<= x4 (* 2 x3)) (= x2 x1) (<= (* 2 x3) x4)), Black: 303#(and (= (mod x3 (- 2)) 0) (<= (* 2 (div (* x3 (- 1)) (- 2))) x4) (<= x4 (* 2 (div (* x3 (- 1)) (- 2)))) (= x2 x1)), 13#L27true, 14#L54true, 334#true, 15#L19true, Black: 80#(and (<= (+ x4 1) n) (<= x4 x3)), Black: 77#(<= x4 x3), Black: 78#(<= (+ x4 1) n), 86#true, Black: 368#(and (= (mod x2 (- 2)) 0) (= x4 x3) (<= (* 2 (div (* x2 (- 1)) (- 2))) x1) (<= x1 (* 2 (div (* x2 (- 1)) (- 2))))), 407#true, 24#L42true, Black: 89#(<= n x4), Black: 91#(and (<= x3 x4) (<= n x4)), Black: 453#(and (<= x2 (* 2 (div x1 2))) (= (mod x1 2) 0) (= x4 x3) (<= (* 2 (div x1 2)) x2)), 99#(<= (+ x3 1) n), 485#(<= (+ x2 1) n), Black: 96#true, Black: 101#(and (<= (+ x3 1) n) (<= x3 x4)), 110#(<= (+ x2 1) n), Black: 106#true, Black: 48#(and (= x4 x3) (= x2 x1)), 118#(<= (+ x1 1) n), Black: 114#true, Black: 53#(= x1 x2), Black: 181#(and (<= (+ x1 1) n) (<= x1 x2)), Black: 54#(and (<= (+ x1 1) n) (= x2 x1)), 186#true, Black: 60#(= x1 x2)]) [2021-06-10 15:26:43,525 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-06-10 15:26:43,525 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-06-10 15:26:43,525 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 15:26:43,525 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-06-10 15:26:43,933 INFO L129 PetriNetUnfolder]: 5742/9400 cut-off events. [2021-06-10 15:26:43,934 INFO L130 PetriNetUnfolder]: For 73839/74946 co-relation queries the response was YES. [2021-06-10 15:26:43,990 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53473 conditions, 9400 events. 5742/9400 cut-off events. For 73839/74946 co-relation queries the response was YES. Maximal size of possible extension queue 728. Compared 68921 event pairs, 523 based on Foata normal form. 765/9818 useless extension candidates. Maximal degree in co-relation 52824. Up to 2646 conditions per place. [2021-06-10 15:26:44,061 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 379 selfloop transitions, 60 changer transitions 0/498 dead transitions. [2021-06-10 15:26:44,061 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 498 transitions, 6124 flow [2021-06-10 15:26:44,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-10 15:26:44,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-06-10 15:26:44,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 537 transitions. [2021-06-10 15:26:44,063 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8564593301435407 [2021-06-10 15:26:44,063 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 537 transitions. [2021-06-10 15:26:44,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 537 transitions. [2021-06-10 15:26:44,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 15:26:44,064 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 537 transitions. [2021-06-10 15:26:44,065 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 28.263157894736842) internal successors, (537), 19 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:44,066 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 33.0) internal successors, (660), 20 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:44,066 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 33.0) internal successors, (660), 20 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:44,066 INFO L185 Difference]: Start difference. First operand has 94 places, 117 transitions, 1445 flow. Second operand 19 states and 537 transitions. [2021-06-10 15:26:44,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 498 transitions, 6124 flow [2021-06-10 15:26:44,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 498 transitions, 6077 flow, removed 21 selfloop flow, removed 1 redundant places. [2021-06-10 15:26:44,284 INFO L241 Difference]: Finished difference. Result has 126 places, 156 transitions, 2159 flow [2021-06-10 15:26:44,284 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=1391, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=2159, PETRI_PLACES=126, PETRI_TRANSITIONS=156} [2021-06-10 15:26:44,285 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 90 predicate places. [2021-06-10 15:26:44,285 INFO L480 AbstractCegarLoop]: Abstraction has has 126 places, 156 transitions, 2159 flow [2021-06-10 15:26:44,285 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 22.25) internal successors, (178), 8 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:44,285 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 15:26:44,285 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 15:26:44,509 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 15:26:44,509 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 15:26:44,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 15:26:44,510 INFO L82 PathProgramCache]: Analyzing trace with hash 828691537, now seen corresponding path program 4 times [2021-06-10 15:26:44,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 15:26:44,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104695114] [2021-06-10 15:26:44,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 15:26:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:26:44,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:44,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:44,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,550 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:26:44,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104695114] [2021-06-10 15:26:44,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188959470] [2021-06-10 15:26:44,550 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 15:26:44,578 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-10 15:26:44,578 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 15:26:44,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-10 15:26:44,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 15:26:44,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:44,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:44,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:44,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:44,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:44,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:44,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:44,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:44,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:44,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:44,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:26:44,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 15:26:44,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:44,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:26:44,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 15:26:44,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 15:26:44,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 15:26:44,630 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-06-10 15:26:44,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:26:44,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:44,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 15:26:44,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 15:26:44,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 15:26:44,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 15:26:44,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:26:44,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:44,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 15:26:44,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:44,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:44,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:44,673 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:26:44,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 15:26:44,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-10 15:26:44,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715970200] [2021-06-10 15:26:44,673 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-10 15:26:44,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 15:26:44,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-10 15:26:44,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-10 15:26:44,674 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-06-10 15:26:44,674 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 156 transitions, 2159 flow. Second operand has 8 states, 8 states have (on average 22.625) internal successors, (181), 8 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:44,674 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 15:26:44,674 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-06-10 15:26:44,674 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 15:26:46,143 INFO L129 PetriNetUnfolder]: 5776/9206 cut-off events. [2021-06-10 15:26:46,143 INFO L130 PetriNetUnfolder]: For 126793/128341 co-relation queries the response was YES. [2021-06-10 15:26:46,188 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62379 conditions, 9206 events. 5776/9206 cut-off events. For 126793/128341 co-relation queries the response was YES. Maximal size of possible extension queue 693. Compared 64724 event pairs, 745 based on Foata normal form. 545/9335 useless extension candidates. Maximal degree in co-relation 61894. Up to 2739 conditions per place. [2021-06-10 15:26:46,251 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 217 selfloop transitions, 67 changer transitions 8/351 dead transitions. [2021-06-10 15:26:46,251 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 351 transitions, 4837 flow [2021-06-10 15:26:46,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-10 15:26:46,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-10 15:26:46,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 300 transitions. [2021-06-10 15:26:46,253 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8264462809917356 [2021-06-10 15:26:46,253 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 300 transitions. [2021-06-10 15:26:46,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 300 transitions. [2021-06-10 15:26:46,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 15:26:46,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 300 transitions. [2021-06-10 15:26:46,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 27.272727272727273) internal successors, (300), 11 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:46,255 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 33.0) internal successors, (396), 12 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:46,255 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 33.0) internal successors, (396), 12 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:46,255 INFO L185 Difference]: Start difference. First operand has 126 places, 156 transitions, 2159 flow. Second operand 11 states and 300 transitions. [2021-06-10 15:26:46,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 351 transitions, 4837 flow [2021-06-10 15:26:46,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 351 transitions, 4648 flow, removed 86 selfloop flow, removed 2 redundant places. [2021-06-10 15:26:46,572 INFO L241 Difference]: Finished difference. Result has 139 places, 178 transitions, 2563 flow [2021-06-10 15:26:46,573 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=2004, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2563, PETRI_PLACES=139, PETRI_TRANSITIONS=178} [2021-06-10 15:26:46,573 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 103 predicate places. [2021-06-10 15:26:46,573 INFO L480 AbstractCegarLoop]: Abstraction has has 139 places, 178 transitions, 2563 flow [2021-06-10 15:26:46,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 22.625) internal successors, (181), 8 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:46,573 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 15:26:46,573 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 15:26:46,787 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-10 15:26:46,787 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 15:26:46,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 15:26:46,788 INFO L82 PathProgramCache]: Analyzing trace with hash -2890857, now seen corresponding path program 3 times [2021-06-10 15:26:46,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 15:26:46,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056346951] [2021-06-10 15:26:46,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 15:26:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:26:46,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:46,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:46,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:46,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:46,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:46,826 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:26:46,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056346951] [2021-06-10 15:26:46,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702022527] [2021-06-10 15:26:46,826 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 15:26:46,859 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-10 15:26:46,860 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 15:26:46,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-10 15:26:46,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 15:26:46,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:46,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:46,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:46,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:46,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:46,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:46,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:46,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:46,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:46,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:46,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:46,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:46,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:46,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:46,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:46,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:46,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:46,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:46,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:46,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:46,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:46,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:46,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:46,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:46,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:46,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:46,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:46,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:46,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:46,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:46,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:46,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:46,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:46,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:46,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:46,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:46,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:46,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:46,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:46,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:46,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:46,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:46,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:46,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:46,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:46,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:46,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:46,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:46,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:46,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:46,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:46,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:46,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:46,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:46,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:46,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:46,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:46,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:26:46,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:46,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:26:46,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:46,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:46,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:26:46,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:26:46,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:46,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:46,920 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-06-10 15:26:46,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 15:26:46,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:46,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:46,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 15:26:46,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:46,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:46,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:46,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:46,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:46,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:46,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:46,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:46,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:46,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:46,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:46,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:46,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:46,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:46,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:46,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:46,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:46,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:46,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:46,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:46,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:46,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:46,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:46,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:46,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:46,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:46,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:46,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:46,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:46,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:46,945 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:26:46,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 15:26:46,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-06-10 15:26:46,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162470766] [2021-06-10 15:26:46,945 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-10 15:26:46,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 15:26:46,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-10 15:26:46,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-10 15:26:46,946 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-06-10 15:26:46,946 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 178 transitions, 2563 flow. Second operand has 7 states, 7 states have (on average 22.0) internal successors, (154), 7 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:46,946 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 15:26:46,946 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-06-10 15:26:46,946 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 15:26:50,181 INFO L129 PetriNetUnfolder]: 13298/21428 cut-off events. [2021-06-10 15:26:50,181 INFO L130 PetriNetUnfolder]: For 325985/327628 co-relation queries the response was YES. [2021-06-10 15:26:50,448 INFO L84 FinitePrefix]: Finished finitePrefix Result has 150023 conditions, 21428 events. 13298/21428 cut-off events. For 325985/327628 co-relation queries the response was YES. Maximal size of possible extension queue 1028. Compared 161548 event pairs, 706 based on Foata normal form. 1916/23017 useless extension candidates. Maximal degree in co-relation 149512. Up to 5720 conditions per place. [2021-06-10 15:26:50,569 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 592 selfloop transitions, 91 changer transitions 0/762 dead transitions. [2021-06-10 15:26:50,569 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 762 transitions, 11941 flow [2021-06-10 15:26:50,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-10 15:26:50,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-06-10 15:26:50,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 480 transitions. [2021-06-10 15:26:50,571 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8556149732620321 [2021-06-10 15:26:50,571 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 480 transitions. [2021-06-10 15:26:50,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 480 transitions. [2021-06-10 15:26:50,571 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 15:26:50,571 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 480 transitions. [2021-06-10 15:26:50,572 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 28.235294117647058) internal successors, (480), 17 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:50,573 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 33.0) internal successors, (594), 18 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:50,574 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 33.0) internal successors, (594), 18 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:50,577 INFO L185 Difference]: Start difference. First operand has 139 places, 178 transitions, 2563 flow. Second operand 17 states and 480 transitions. [2021-06-10 15:26:50,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 762 transitions, 11941 flow [2021-06-10 15:26:51,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 762 transitions, 10896 flow, removed 473 selfloop flow, removed 2 redundant places. [2021-06-10 15:26:51,329 INFO L241 Difference]: Finished difference. Result has 168 places, 232 transitions, 3582 flow [2021-06-10 15:26:51,329 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=2421, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=3582, PETRI_PLACES=168, PETRI_TRANSITIONS=232} [2021-06-10 15:26:51,329 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 132 predicate places. [2021-06-10 15:26:51,330 INFO L480 AbstractCegarLoop]: Abstraction has has 168 places, 232 transitions, 3582 flow [2021-06-10 15:26:51,330 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 22.0) internal successors, (154), 7 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:51,330 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 15:26:51,330 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 15:26:51,531 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-10 15:26:51,531 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 15:26:51,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 15:26:51,531 INFO L82 PathProgramCache]: Analyzing trace with hash -1948018637, now seen corresponding path program 4 times [2021-06-10 15:26:51,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 15:26:51,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652993794] [2021-06-10 15:26:51,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 15:26:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:26:51,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:51,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:51,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:51,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:51,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,568 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:26:51,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652993794] [2021-06-10 15:26:51,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678942361] [2021-06-10 15:26:51,568 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 15:26:51,589 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-10 15:26:51,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 15:26:51,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-10 15:26:51,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 15:26:51,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:51,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:51,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:51,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:51,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:51,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:51,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:51,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:51,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:51,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:51,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:51,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:51,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:51,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:51,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:51,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:51,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:51,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:51,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:51,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:51,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:51,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:51,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:51,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:51,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:51,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:51,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:51,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:51,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:51,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:51,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:51,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:51,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:51,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:51,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-06-10 15:26:51,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-06-10 15:26:51,619 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-06-10 15:26:51,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:51,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:51,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:51,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:51,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:51,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:51,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:51,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:26:51,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 15:26:51,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:51,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:26:51,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 15:26:51,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 15:26:51,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 15:26:51,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:51,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:51,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:51,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:51,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:51,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:51,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:51,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:51,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:26:51,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:51,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 15:26:51,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:26:51,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:51,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:51,679 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:26:51,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 15:26:51,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-06-10 15:26:51,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140344546] [2021-06-10 15:26:51,680 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-10 15:26:51,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 15:26:51,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-10 15:26:51,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-10 15:26:51,680 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-06-10 15:26:51,681 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 232 transitions, 3582 flow. Second operand has 7 states, 7 states have (on average 22.285714285714285) internal successors, (156), 7 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:51,681 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 15:26:51,681 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-06-10 15:26:51,681 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 15:26:56,058 INFO L129 PetriNetUnfolder]: 16544/27270 cut-off events. [2021-06-10 15:26:56,058 INFO L130 PetriNetUnfolder]: For 519279/520909 co-relation queries the response was YES. [2021-06-10 15:26:56,359 INFO L84 FinitePrefix]: Finished finitePrefix Result has 215849 conditions, 27270 events. 16544/27270 cut-off events. For 519279/520909 co-relation queries the response was YES. Maximal size of possible extension queue 1449. Compared 219472 event pairs, 625 based on Foata normal form. 992/27904 useless extension candidates. Maximal degree in co-relation 215306. Up to 8297 conditions per place. [2021-06-10 15:26:56,555 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 454 selfloop transitions, 99 changer transitions 6/638 dead transitions. [2021-06-10 15:26:56,556 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 638 transitions, 9815 flow [2021-06-10 15:26:56,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-10 15:26:56,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-10 15:26:56,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 358 transitions. [2021-06-10 15:26:56,557 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8344988344988346 [2021-06-10 15:26:56,557 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 358 transitions. [2021-06-10 15:26:56,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 358 transitions. [2021-06-10 15:26:56,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 15:26:56,558 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 358 transitions. [2021-06-10 15:26:56,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 27.53846153846154) internal successors, (358), 13 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:56,559 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 33.0) internal successors, (462), 14 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:56,559 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 33.0) internal successors, (462), 14 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:56,559 INFO L185 Difference]: Start difference. First operand has 168 places, 232 transitions, 3582 flow. Second operand 13 states and 358 transitions. [2021-06-10 15:26:56,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 638 transitions, 9815 flow [2021-06-10 15:26:58,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 638 transitions, 9677 flow, removed 69 selfloop flow, removed 0 redundant places. [2021-06-10 15:26:58,685 INFO L241 Difference]: Finished difference. Result has 187 places, 256 transitions, 4359 flow [2021-06-10 15:26:58,685 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=3425, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=4359, PETRI_PLACES=187, PETRI_TRANSITIONS=256} [2021-06-10 15:26:58,685 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 151 predicate places. [2021-06-10 15:26:58,685 INFO L480 AbstractCegarLoop]: Abstraction has has 187 places, 256 transitions, 4359 flow [2021-06-10 15:26:58,686 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 22.285714285714285) internal successors, (156), 7 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:58,686 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 15:26:58,686 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 15:26:58,886 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-10 15:26:58,886 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 15:26:58,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 15:26:58,887 INFO L82 PathProgramCache]: Analyzing trace with hash -65440255, now seen corresponding path program 5 times [2021-06-10 15:26:58,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 15:26:58,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053009323] [2021-06-10 15:26:58,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 15:26:58,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:26:58,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:58,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:26:58,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:58,915 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-10 15:26:58,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053009323] [2021-06-10 15:26:58,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1265433166] [2021-06-10 15:26:58,915 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-10 15:26:58,967 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-10 15:26:58,967 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 15:26:58,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 15:26:58,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 15:26:58,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:26:58,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:58,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:58,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:58,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:58,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:59,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:26:59,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:26:59,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-06-10 15:26:59,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-06-10 15:26:59,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:59,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:26:59,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 15:26:59,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:59,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:26:59,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 15:26:59,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 15:26:59,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 15:26:59,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:26:59,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:59,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 15:26:59,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 15:26:59,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:26:59,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:26:59,042 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-06-10 15:26:59,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 15:26:59,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:26:59,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 15:26:59,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 15:26:59,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:59,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:59,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:59,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:59,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:59,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:59,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:59,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:59,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:59,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:59,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:59,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:59,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:59,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:59,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:59,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:59,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:59,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:59,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:59,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:59,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:59,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:59,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:26:59,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:26:59,062 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:26:59,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 15:26:59,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 6 [2021-06-10 15:26:59,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552460985] [2021-06-10 15:26:59,063 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-10 15:26:59,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 15:26:59,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-10 15:26:59,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-06-10 15:26:59,063 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-06-10 15:26:59,064 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 256 transitions, 4359 flow. Second operand has 7 states, 7 states have (on average 22.142857142857142) internal successors, (155), 7 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:26:59,064 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 15:26:59,064 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-06-10 15:26:59,064 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 15:27:04,135 INFO L129 PetriNetUnfolder]: 18043/29873 cut-off events. [2021-06-10 15:27:04,135 INFO L130 PetriNetUnfolder]: For 624877/626882 co-relation queries the response was YES. [2021-06-10 15:27:04,445 INFO L84 FinitePrefix]: Finished finitePrefix Result has 248463 conditions, 29873 events. 18043/29873 cut-off events. For 624877/626882 co-relation queries the response was YES. Maximal size of possible extension queue 1674. Compared 246761 event pairs, 689 based on Foata normal form. 1275/30754 useless extension candidates. Maximal degree in co-relation 247790. Up to 7700 conditions per place. [2021-06-10 15:27:04,627 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 448 selfloop transitions, 109 changer transitions 0/636 dead transitions. [2021-06-10 15:27:04,627 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 636 transitions, 10242 flow [2021-06-10 15:27:04,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-10 15:27:04,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-06-10 15:27:04,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 334 transitions. [2021-06-10 15:27:04,630 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8434343434343434 [2021-06-10 15:27:04,630 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 334 transitions. [2021-06-10 15:27:04,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 334 transitions. [2021-06-10 15:27:04,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 15:27:04,630 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 334 transitions. [2021-06-10 15:27:04,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 27.833333333333332) internal successors, (334), 12 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:27:04,632 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 33.0) internal successors, (429), 13 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:27:04,632 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 33.0) internal successors, (429), 13 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:27:04,632 INFO L185 Difference]: Start difference. First operand has 187 places, 256 transitions, 4359 flow. Second operand 12 states and 334 transitions. [2021-06-10 15:27:04,632 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 636 transitions, 10242 flow [2021-06-10 15:27:11,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 636 transitions, 9961 flow, removed 133 selfloop flow, removed 1 redundant places. [2021-06-10 15:27:11,833 INFO L241 Difference]: Finished difference. Result has 201 places, 278 transitions, 4856 flow [2021-06-10 15:27:11,834 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=4030, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=85, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=4856, PETRI_PLACES=201, PETRI_TRANSITIONS=278} [2021-06-10 15:27:11,834 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 165 predicate places. [2021-06-10 15:27:11,834 INFO L480 AbstractCegarLoop]: Abstraction has has 201 places, 278 transitions, 4856 flow [2021-06-10 15:27:11,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 22.142857142857142) internal successors, (155), 7 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:27:11,834 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 15:27:11,834 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 15:27:12,045 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-06-10 15:27:12,045 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 15:27:12,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 15:27:12,045 INFO L82 PathProgramCache]: Analyzing trace with hash -862307817, now seen corresponding path program 6 times [2021-06-10 15:27:12,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 15:27:12,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336093494] [2021-06-10 15:27:12,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 15:27:12,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:27:12,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:12,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,070 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-10 15:27:12,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336093494] [2021-06-10 15:27:12,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993726454] [2021-06-10 15:27:12,070 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 15:27:12,100 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-10 15:27:12,100 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 15:27:12,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-10 15:27:12,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 15:27:12,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:12,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:27:12,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:12,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:27:12,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:27:12,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:12,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:27:12,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:12,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:12,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:27:12,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:27:12,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 15:27:12,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:27:12,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:27:12,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 15:27:12,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 15:27:12,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 15:27:12,147 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-06-10 15:27:12,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:27:12,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:27:12,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 15:27:12,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 15:27:12,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 15:27:12,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 15:27:12,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:27:12,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:27:12,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 15:27:12,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:27:12,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:12,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:12,182 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:27:12,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 15:27:12,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 6 [2021-06-10 15:27:12,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202754073] [2021-06-10 15:27:12,183 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-10 15:27:12,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 15:27:12,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-10 15:27:12,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-06-10 15:27:12,184 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-06-10 15:27:12,184 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 278 transitions, 4856 flow. Second operand has 7 states, 7 states have (on average 22.142857142857142) internal successors, (155), 7 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:27:12,184 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 15:27:12,184 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-06-10 15:27:12,184 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 15:27:16,949 INFO L129 PetriNetUnfolder]: 17378/28714 cut-off events. [2021-06-10 15:27:16,949 INFO L130 PetriNetUnfolder]: For 533877/535442 co-relation queries the response was YES. [2021-06-10 15:27:17,328 INFO L84 FinitePrefix]: Finished finitePrefix Result has 236806 conditions, 28714 events. 17378/28714 cut-off events. For 533877/535442 co-relation queries the response was YES. Maximal size of possible extension queue 1588. Compared 234652 event pairs, 871 based on Foata normal form. 736/29080 useless extension candidates. Maximal degree in co-relation 236213. Up to 12162 conditions per place. [2021-06-10 15:27:17,505 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 405 selfloop transitions, 81 changer transitions 15/580 dead transitions. [2021-06-10 15:27:17,505 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 580 transitions, 9441 flow [2021-06-10 15:27:17,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-10 15:27:17,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-10 15:27:17,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 299 transitions. [2021-06-10 15:27:17,506 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8236914600550964 [2021-06-10 15:27:17,506 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 299 transitions. [2021-06-10 15:27:17,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 299 transitions. [2021-06-10 15:27:17,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 15:27:17,507 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 299 transitions. [2021-06-10 15:27:17,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 27.181818181818183) internal successors, (299), 11 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:27:17,508 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 33.0) internal successors, (396), 12 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:27:17,508 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 33.0) internal successors, (396), 12 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:27:17,508 INFO L185 Difference]: Start difference. First operand has 201 places, 278 transitions, 4856 flow. Second operand 11 states and 299 transitions. [2021-06-10 15:27:17,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 580 transitions, 9441 flow [2021-06-10 15:27:22,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 580 transitions, 9298 flow, removed 70 selfloop flow, removed 1 redundant places. [2021-06-10 15:27:22,919 INFO L241 Difference]: Finished difference. Result has 212 places, 275 transitions, 4834 flow [2021-06-10 15:27:22,919 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=4559, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=4834, PETRI_PLACES=212, PETRI_TRANSITIONS=275} [2021-06-10 15:27:22,919 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 176 predicate places. [2021-06-10 15:27:22,919 INFO L480 AbstractCegarLoop]: Abstraction has has 212 places, 275 transitions, 4834 flow [2021-06-10 15:27:22,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 22.142857142857142) internal successors, (155), 7 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:27:22,919 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 15:27:22,920 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 15:27:23,120 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 15:27:23,120 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 15:27:23,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 15:27:23,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1257722789, now seen corresponding path program 7 times [2021-06-10 15:27:23,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 15:27:23,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810736582] [2021-06-10 15:27:23,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 15:27:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:27:23,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:23,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:23,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:23,152 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:27:23,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810736582] [2021-06-10 15:27:23,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002879472] [2021-06-10 15:27:23,152 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 15:27:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:27:23,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-10 15:27:23,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 15:27:23,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:23,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:27:23,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:23,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:27:23,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:27:23,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:23,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:27:23,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-06-10 15:27:23,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-06-10 15:27:23,214 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-06-10 15:27:23,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:23,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:27:23,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:23,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:27:23,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:23,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:23,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:23,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:23,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:23,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:23,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:23,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:23,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:23,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:23,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:23,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:23,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:23,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:23,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:23,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:23,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:23,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:23,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:23,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:23,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:23,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:23,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:27:23,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:27:23,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 15:27:23,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:27:23,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:27:23,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 15:27:23,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 15:27:23,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 15:27:23,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:27:23,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:27:23,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 15:27:23,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:27:23,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:23,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:23,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:23,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:23,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:23,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:23,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:23,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:23,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:23,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:23,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:23,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:23,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:23,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:23,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:23,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:23,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:23,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:23,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:23,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:23,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:23,268 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:27:23,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 15:27:23,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-06-10 15:27:23,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449722449] [2021-06-10 15:27:23,269 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-10 15:27:23,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 15:27:23,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-10 15:27:23,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-10 15:27:23,270 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-06-10 15:27:23,270 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 275 transitions, 4834 flow. Second operand has 7 states, 7 states have (on average 22.0) internal successors, (154), 7 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:27:23,270 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 15:27:23,270 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-06-10 15:27:23,270 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 15:27:28,384 INFO L129 PetriNetUnfolder]: 18046/30271 cut-off events. [2021-06-10 15:27:28,385 INFO L130 PetriNetUnfolder]: For 555159/556802 co-relation queries the response was YES. [2021-06-10 15:27:28,846 INFO L84 FinitePrefix]: Finished finitePrefix Result has 248601 conditions, 30271 events. 18046/30271 cut-off events. For 555159/556802 co-relation queries the response was YES. Maximal size of possible extension queue 1671. Compared 254069 event pairs, 642 based on Foata normal form. 921/30816 useless extension candidates. Maximal degree in co-relation 247973. Up to 8886 conditions per place. [2021-06-10 15:27:29,033 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 454 selfloop transitions, 115 changer transitions 9/657 dead transitions. [2021-06-10 15:27:29,033 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 657 transitions, 10660 flow [2021-06-10 15:27:29,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-10 15:27:29,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-10 15:27:29,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 357 transitions. [2021-06-10 15:27:29,034 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8321678321678322 [2021-06-10 15:27:29,034 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 357 transitions. [2021-06-10 15:27:29,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 357 transitions. [2021-06-10 15:27:29,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 15:27:29,035 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 357 transitions. [2021-06-10 15:27:29,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 27.46153846153846) internal successors, (357), 13 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:27:29,036 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 33.0) internal successors, (462), 14 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:27:29,037 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 33.0) internal successors, (462), 14 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:27:29,037 INFO L185 Difference]: Start difference. First operand has 212 places, 275 transitions, 4834 flow. Second operand 13 states and 357 transitions. [2021-06-10 15:27:29,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 657 transitions, 10660 flow [2021-06-10 15:27:35,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 657 transitions, 10537 flow, removed 17 selfloop flow, removed 3 redundant places. [2021-06-10 15:27:35,779 INFO L241 Difference]: Finished difference. Result has 225 places, 282 transitions, 5200 flow [2021-06-10 15:27:35,779 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=4703, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=108, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=5200, PETRI_PLACES=225, PETRI_TRANSITIONS=282} [2021-06-10 15:27:35,779 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 189 predicate places. [2021-06-10 15:27:35,779 INFO L480 AbstractCegarLoop]: Abstraction has has 225 places, 282 transitions, 5200 flow [2021-06-10 15:27:35,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 22.0) internal successors, (154), 7 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:27:35,780 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 15:27:35,780 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 15:27:35,980 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 15:27:35,981 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 15:27:35,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 15:27:35,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1987436539, now seen corresponding path program 8 times [2021-06-10 15:27:35,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 15:27:35,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686130951] [2021-06-10 15:27:35,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 15:27:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:27:35,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:35,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:35,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:35,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:36,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:27:36,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:36,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:36,012 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:27:36,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686130951] [2021-06-10 15:27:36,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184931854] [2021-06-10 15:27:36,012 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 15:27:36,032 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-10 15:27:36,033 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 15:27:36,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-10 15:27:36,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 15:27:36,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:36,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:27:36,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:36,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:27:36,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:27:36,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:36,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:27:36,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:36,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:36,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:36,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:27:36,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:36,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:27:36,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:36,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:36,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:27:36,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:27:36,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:27:36,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:27:36,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:27:36,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:27:36,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:27:36,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:27:36,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:27:36,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:27:36,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:27:36,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:27:36,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:27:36,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:27:36,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:27:36,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:27:36,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:27:36,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:27:36,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:27:36,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:27:36,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:27:36,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:27:36,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:27:36,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:27:36,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:27:36,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:27:36,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:27:36,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:27:36,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:27:36,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:27:36,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:27:36,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:27:36,103 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-06-10 15:27:36,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 15:27:36,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:27:36,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:27:36,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 15:27:36,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:36,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:36,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:36,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:36,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:36,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:36,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:36,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:36,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:36,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:36,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:36,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:36,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:36,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:36,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:36,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:36,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:36,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:36,120 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:27:36,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 15:27:36,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-06-10 15:27:36,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442305087] [2021-06-10 15:27:36,120 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-10 15:27:36,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 15:27:36,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-10 15:27:36,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-10 15:27:36,121 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-06-10 15:27:36,121 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 282 transitions, 5200 flow. Second operand has 7 states, 7 states have (on average 22.0) internal successors, (154), 7 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:27:36,122 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 15:27:36,122 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-06-10 15:27:36,122 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 15:27:42,868 INFO L129 PetriNetUnfolder]: 22923/37704 cut-off events. [2021-06-10 15:27:42,868 INFO L130 PetriNetUnfolder]: For 754287/756714 co-relation queries the response was YES. [2021-06-10 15:27:43,586 INFO L84 FinitePrefix]: Finished finitePrefix Result has 319371 conditions, 37704 events. 22923/37704 cut-off events. For 754287/756714 co-relation queries the response was YES. Maximal size of possible extension queue 2067. Compared 316754 event pairs, 1371 based on Foata normal form. 1998/39153 useless extension candidates. Maximal degree in co-relation 318602. Up to 12724 conditions per place. [2021-06-10 15:27:43,829 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 646 selfloop transitions, 117 changer transitions 3/845 dead transitions. [2021-06-10 15:27:43,829 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 845 transitions, 13927 flow [2021-06-10 15:27:43,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-10 15:27:43,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-06-10 15:27:43,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 473 transitions. [2021-06-10 15:27:43,831 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8431372549019608 [2021-06-10 15:27:43,831 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 473 transitions. [2021-06-10 15:27:43,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 473 transitions. [2021-06-10 15:27:43,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 15:27:43,831 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 473 transitions. [2021-06-10 15:27:43,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 27.823529411764707) internal successors, (473), 17 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:27:43,833 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 33.0) internal successors, (594), 18 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:27:43,833 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 33.0) internal successors, (594), 18 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:27:43,833 INFO L185 Difference]: Start difference. First operand has 225 places, 282 transitions, 5200 flow. Second operand 17 states and 473 transitions. [2021-06-10 15:27:43,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 845 transitions, 13927 flow [2021-06-10 15:27:54,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 845 transitions, 13538 flow, removed 24 selfloop flow, removed 9 redundant places. [2021-06-10 15:27:54,466 INFO L241 Difference]: Finished difference. Result has 236 places, 322 transitions, 5985 flow [2021-06-10 15:27:54,466 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=4741, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=5985, PETRI_PLACES=236, PETRI_TRANSITIONS=322} [2021-06-10 15:27:54,467 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 200 predicate places. [2021-06-10 15:27:54,467 INFO L480 AbstractCegarLoop]: Abstraction has has 236 places, 322 transitions, 5985 flow [2021-06-10 15:27:54,467 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 22.0) internal successors, (154), 7 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:27:54,467 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 15:27:54,467 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 15:27:54,668 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-06-10 15:27:54,668 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 15:27:54,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 15:27:54,668 INFO L82 PathProgramCache]: Analyzing trace with hash -377110787, now seen corresponding path program 9 times [2021-06-10 15:27:54,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 15:27:54,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30284862] [2021-06-10 15:27:54,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 15:27:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:27:54,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:54,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:54,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:54,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:54,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:54,689 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-10 15:27:54,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30284862] [2021-06-10 15:27:54,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1049935223] [2021-06-10 15:27:54,690 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 15:27:54,711 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-10 15:27:54,711 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 15:27:54,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-10 15:27:54,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 15:27:54,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:54,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:54,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:54,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:54,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:54,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:54,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:54,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:54,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:54,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:54,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:54,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:54,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:54,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:54,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:54,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:54,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:54,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:54,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:54,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:54,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:54,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:54,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:54,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:54,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:54,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:54,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:54,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:27:54,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:27:54,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:54,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:27:54,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:27:54,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:54,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:27:54,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:54,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:27:54,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:27:54,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:27:54,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 15:27:54,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:27:54,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:27:54,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 15:27:54,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 15:27:54,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 15:27:54,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:54,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:54,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:54,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:54,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:54,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:54,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:54,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:54,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:54,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:54,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:54,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:54,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:54,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:54,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:54,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:54,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:54,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:54,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:54,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:54,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:54,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:54,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:54,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:54,768 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-06-10 15:27:54,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:27:54,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:27:54,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 15:27:54,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 15:27:54,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 15:27:54,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 15:27:54,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:54,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:54,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:54,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:54,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:54,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:54,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:54,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:27:54,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:27:54,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:27:54,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 15:27:54,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:27:54,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:54,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:54,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:54,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:54,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:54,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:54,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:54,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:54,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:54,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:54,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:54,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:54,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:54,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:54,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:54,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:54,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:27:54,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:27:54,795 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:27:54,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 15:27:54,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 6 [2021-06-10 15:27:54,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623535684] [2021-06-10 15:27:54,796 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-10 15:27:54,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 15:27:54,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-10 15:27:54,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-06-10 15:27:54,796 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-06-10 15:27:54,796 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 322 transitions, 5985 flow. Second operand has 7 states, 7 states have (on average 22.428571428571427) internal successors, (157), 7 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:27:54,797 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 15:27:54,797 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-06-10 15:27:54,797 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 15:28:01,301 INFO L129 PetriNetUnfolder]: 22581/37159 cut-off events. [2021-06-10 15:28:01,302 INFO L130 PetriNetUnfolder]: For 707637/709334 co-relation queries the response was YES. [2021-06-10 15:28:02,100 INFO L84 FinitePrefix]: Finished finitePrefix Result has 319189 conditions, 37159 events. 22581/37159 cut-off events. For 707637/709334 co-relation queries the response was YES. Maximal size of possible extension queue 1972. Compared 309973 event pairs, 1190 based on Foata normal form. 769/37431 useless extension candidates. Maximal degree in co-relation 318532. Up to 17617 conditions per place. [2021-06-10 15:28:02,637 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 432 selfloop transitions, 96 changer transitions 15/622 dead transitions. [2021-06-10 15:28:02,638 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 622 transitions, 10630 flow [2021-06-10 15:28:02,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-10 15:28:02,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-10 15:28:02,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 299 transitions. [2021-06-10 15:28:02,639 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8236914600550964 [2021-06-10 15:28:02,639 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 299 transitions. [2021-06-10 15:28:02,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 299 transitions. [2021-06-10 15:28:02,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 15:28:02,639 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 299 transitions. [2021-06-10 15:28:02,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 27.181818181818183) internal successors, (299), 11 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:28:02,640 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 33.0) internal successors, (396), 12 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:28:02,640 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 33.0) internal successors, (396), 12 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:28:02,640 INFO L185 Difference]: Start difference. First operand has 236 places, 322 transitions, 5985 flow. Second operand 11 states and 299 transitions. [2021-06-10 15:28:02,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 622 transitions, 10630 flow [2021-06-10 15:28:12,410 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 622 transitions, 10351 flow, removed 65 selfloop flow, removed 6 redundant places. [2021-06-10 15:28:12,417 INFO L241 Difference]: Finished difference. Result has 240 places, 318 transitions, 5798 flow [2021-06-10 15:28:12,417 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=5606, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=318, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=5798, PETRI_PLACES=240, PETRI_TRANSITIONS=318} [2021-06-10 15:28:12,417 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 204 predicate places. [2021-06-10 15:28:12,418 INFO L480 AbstractCegarLoop]: Abstraction has has 240 places, 318 transitions, 5798 flow [2021-06-10 15:28:12,418 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 22.428571428571427) internal successors, (157), 7 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:28:12,418 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 15:28:12,418 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 15:28:12,618 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 15:28:12,619 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 15:28:12,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 15:28:12,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1426356753, now seen corresponding path program 10 times [2021-06-10 15:28:12,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 15:28:12,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311735744] [2021-06-10 15:28:12,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 15:28:12,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:28:12,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:28:12,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:28:12,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:12,654 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-10 15:28:12,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311735744] [2021-06-10 15:28:12,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238401594] [2021-06-10 15:28:12,654 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 15:28:12,675 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-10 15:28:12,675 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 15:28:12,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-10 15:28:12,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 15:28:12,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:12,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:28:12,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:28:12,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:28:12,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:28:12,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:28:12,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:28:12,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-06-10 15:28:12,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-06-10 15:28:12,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:28:12,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:28:12,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 15:28:12,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:28:12,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:28:12,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 15:28:12,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 15:28:12,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 15:28:12,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:28:12,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:28:12,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 15:28:12,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 15:28:12,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:28:12,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:28:12,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:28:12,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:28:12,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:28:12,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:28:12,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:28:12,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:28:12,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:28:12,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:28:12,741 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-06-10 15:28:12,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 15:28:12,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:28:12,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 15:28:12,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 15:28:12,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:12,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:12,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:12,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:12,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:12,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:12,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:12,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:12,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:12,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:12,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:12,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:12,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:12,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:12,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:12,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:12,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:12,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:12,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:12,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:12,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:12,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:12,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:12,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:12,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:12,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:12,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:12,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:12,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:12,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:12,762 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:28:12,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 15:28:12,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 6 [2021-06-10 15:28:12,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036975511] [2021-06-10 15:28:12,762 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-10 15:28:12,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 15:28:12,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-10 15:28:12,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-06-10 15:28:12,763 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-06-10 15:28:12,763 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 318 transitions, 5798 flow. Second operand has 7 states, 7 states have (on average 22.428571428571427) internal successors, (157), 7 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:28:12,763 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 15:28:12,763 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-06-10 15:28:12,763 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 15:28:19,545 INFO L129 PetriNetUnfolder]: 24265/39900 cut-off events. [2021-06-10 15:28:19,546 INFO L130 PetriNetUnfolder]: For 759598/761744 co-relation queries the response was YES. [2021-06-10 15:28:20,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 342495 conditions, 39900 events. 24265/39900 cut-off events. For 759598/761744 co-relation queries the response was YES. Maximal size of possible extension queue 2049. Compared 336157 event pairs, 743 based on Foata normal form. 1366/40738 useless extension candidates. Maximal degree in co-relation 341787. Up to 10769 conditions per place. [2021-06-10 15:28:20,513 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 440 selfloop transitions, 136 changer transitions 0/655 dead transitions. [2021-06-10 15:28:20,513 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 655 transitions, 11186 flow [2021-06-10 15:28:20,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-10 15:28:20,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-10 15:28:20,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 308 transitions. [2021-06-10 15:28:20,514 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8484848484848485 [2021-06-10 15:28:20,514 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 308 transitions. [2021-06-10 15:28:20,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 308 transitions. [2021-06-10 15:28:20,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 15:28:20,514 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 308 transitions. [2021-06-10 15:28:20,515 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 28.0) internal successors, (308), 11 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:28:20,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 33.0) internal successors, (396), 12 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:28:20,516 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 33.0) internal successors, (396), 12 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:28:20,516 INFO L185 Difference]: Start difference. First operand has 240 places, 318 transitions, 5798 flow. Second operand 11 states and 308 transitions. [2021-06-10 15:28:20,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 655 transitions, 11186 flow [2021-06-10 15:28:30,053 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 655 transitions, 10866 flow, removed 20 selfloop flow, removed 11 redundant places. [2021-06-10 15:28:30,061 INFO L241 Difference]: Finished difference. Result has 242 places, 333 transitions, 6145 flow [2021-06-10 15:28:30,061 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=5422, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=120, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=6145, PETRI_PLACES=242, PETRI_TRANSITIONS=333} [2021-06-10 15:28:30,061 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 206 predicate places. [2021-06-10 15:28:30,061 INFO L480 AbstractCegarLoop]: Abstraction has has 242 places, 333 transitions, 6145 flow [2021-06-10 15:28:30,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 22.428571428571427) internal successors, (157), 7 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:28:30,061 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 15:28:30,061 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 15:28:30,280 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-06-10 15:28:30,281 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 15:28:30,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 15:28:30,281 INFO L82 PathProgramCache]: Analyzing trace with hash -765720343, now seen corresponding path program 5 times [2021-06-10 15:28:30,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 15:28:30,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295524907] [2021-06-10 15:28:30,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 15:28:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:28:30,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:28:30,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:28:30,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:28:30,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:30,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,306 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:28:30,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295524907] [2021-06-10 15:28:30,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262392398] [2021-06-10 15:28:30,307 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 15:28:30,325 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-10 15:28:30,325 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 15:28:30,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-10 15:28:30,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 15:28:30,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:30,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:30,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:30,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:30,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:30,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:30,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:30,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:30,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:30,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:30,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:30,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:30,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:30,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:30,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:30,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:30,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:30,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:30,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:30,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:30,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:30,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:30,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:30,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:30,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:30,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:30,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:30,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:30,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:30,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:30,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:30,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:30,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:28:30,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:28:30,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:28:30,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:28:30,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:28:30,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:28:30,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-06-10 15:28:30,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-06-10 15:28:30,360 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-06-10 15:28:30,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:28:30,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:28:30,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:28:30,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:28:30,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:28:30,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:28:30,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:28:30,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:28:30,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 15:28:30,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:28:30,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:28:30,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 15:28:30,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 15:28:30,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 15:28:30,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:28:30,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:28:30,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 15:28:30,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:28:30,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:30,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:30,409 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:28:30,409 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 15:28:30,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-10 15:28:30,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918858917] [2021-06-10 15:28:30,409 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-10 15:28:30,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 15:28:30,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-10 15:28:30,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-10 15:28:30,416 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-06-10 15:28:30,416 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 333 transitions, 6145 flow. Second operand has 8 states, 8 states have (on average 22.375) internal successors, (179), 8 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:28:30,416 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 15:28:30,416 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-06-10 15:28:30,416 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 15:28:39,316 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([79] L34-->thread3FINAL: Formula: (not (< v_x3_3 v_n_5)) InVars {n=v_n_5, x3=v_x3_3} OutVars{n=v_n_5, x3=v_x3_3} AuxVars[] AssignedVars[][598], [1409#(<= x4 (* 2 x3)), Black: 226#(and (<= (* 2 (div x4 2)) x3) (= x2 x1) (= (mod x4 2) 0) (<= x3 (* 2 (div x4 2)))), Black: 189#(and (<= (* 2 x4) x3) (<= x3 (* 2 x4)) (= x2 x1)), 260#true, 905#(and (<= x3 x4) (<= n x4)), 14#L54true, 15#L19true, Black: 368#(and (= (mod x2 (- 2)) 0) (= x4 x3) (<= (* 2 (div (* x2 (- 1)) (- 2))) x1) (<= x1 (* 2 (div (* x2 (- 1)) (- 2))))), Black: 909#(and (<= x3 (* 2 x4)) (<= n x4)), 407#true, 24#L42true, Black: 1298#(and (<= x3 x4) (<= (div (* x3 (- 1)) (- 2)) (div (+ n (- 1)) 2))), 32#thread2FINALtrue, Black: 800#(and (<= (+ (* 2 x4) 1) n) (<= (* 2 x4) x3) (<= x4 x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 1256#(<= (div (* x3 (- 1)) (- 2)) (div (+ n (- 1)) 2)), Black: 1210#(<= x3 x4), Black: 746#(<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2)), 37#thread3FINALtrue, Black: 780#(and (<= (* 2 x4) x3) (<= (+ x4 1) n)), Black: 782#(and (<= (* 2 x4) x3) (<= (+ x4 1) n) (<= x4 x3)), Black: 786#(and (<= (+ (* 2 x4) 1) n) (<= (+ x4 1) n)), Black: 788#(and (<= (+ (* 2 x4) 1) n) (<= (* 2 x4) x3) (<= (+ x4 1) n) (<= x4 x3)), Black: 790#(and (<= x4 x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 792#(and (<= (* 2 x4) x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 794#(and (<= (* 2 x4) x3) (<= x4 x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 698#true, 1198#(and (<= x4 (* 2 x3)) (<= n x3)), Black: 798#(and (<= (+ (* 2 x4) 1) n) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 48#(and (= x4 x3) (= x2 x1)), Black: 1108#true, Black: 641#(<= (div (* x2 (- 1)) (- 2)) (div x1 2)), Black: 689#(and (<= n x1) (<= (div (* x2 (- 1)) (- 2)) (div x1 2))), Black: 691#(and (<= (div (* x2 (- 1)) (- 2)) (div x1 2)) (<= (div (* n (- 1)) (- 2)) (div x1 2))), Black: 114#true, Black: 181#(and (<= (+ x1 1) n) (<= x1 x2)), 1208#true, Black: 685#(and (<= (* 2 x2) x1) (<= n x1)), Black: 53#(= x1 x2), 1593#(and (<= x1 x2) (<= n x2)), Black: 607#(<= n x1), Black: 54#(and (<= (+ x1 1) n) (= x2 x1)), 186#true, 700#(<= x4 x3), Black: 60#(= x1 x2), Black: 61#(and (= x2 x1) (<= n x2)), 970#(<= (div (* x3 (- 1)) (- 2)) (div x4 2)), Black: 70#(and (<= n x3) (<= x4 x3)), 75#true, Black: 263#(and (<= x4 (* 2 x3)) (= x2 x1) (<= (* 2 x3) x4)), Black: 577#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1)), Black: 579#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1) (<= (+ (* 2 x2) 1) n)), Black: 303#(and (= (mod x3 (- 2)) 0) (<= (* 2 (div (* x3 (- 1)) (- 2))) x4) (<= x4 (* 2 (div (* x3 (- 1)) (- 2)))) (= x2 x1)), 1102#(and (<= (div (* x4 (- 1)) (- 2)) (div x3 2)) (<= n x3)), Black: 581#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1) (<= x2 x1)), 334#true, Black: 583#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (+ (* 2 x2) 1) n)), Black: 489#(<= x2 x1), Black: 585#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1) (<= x2 x1) (<= (+ (* 2 x2) 1) n)), Black: 563#(and (<= (* 2 x2) x1) (<= (+ x2 1) n)), Black: 80#(and (<= (+ x4 1) n) (<= x4 x3)), Black: 565#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= (+ (* 2 x2) 1) n)), Black: 77#(<= x4 x3), Black: 567#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= x2 x1)), Black: 78#(<= (+ x4 1) n), Black: 569#(and (<= (+ x2 1) n) (<= (+ (* 2 x2) 1) n)), Black: 571#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= x2 x1) (<= (+ (* 2 x2) 1) n)), Black: 573#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= x2 x1)), Black: 1492#(and (< (div (* x4 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1)) (<= (div (* x4 (- 1)) (- 2)) (div x3 2))), Black: 541#(<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)), Black: 1444#(<= (div (* x4 (- 1)) (- 2)) (div x3 2)), Black: 575#(and (<= (+ x2 1) n) (<= x2 x1)), Black: 1448#(< (div (* x4 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1)), 602#true, Black: 1406#true, Black: 89#(<= n x4), Black: 91#(and (<= x3 x4) (<= n x4)), Black: 453#(and (<= x2 (* 2 (div x1 2))) (= (mod x1 2) 0) (= x4 x3) (<= (* 2 (div x1 2)) x2)), 96#true, 480#true, Black: 99#(<= (+ x3 1) n), Black: 101#(and (<= (+ x3 1) n) (<= x3 x4)), 106#true, Black: 110#(<= (+ x2 1) n), Black: 1008#(and (< (div (* x3 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1)) (<= (div (* x3 (- 1)) (- 2)) (div x4 2))), 118#(<= (+ x1 1) n), Black: 1004#(and (<= (+ x3 1) n) (<= (div (* x3 (- 1)) (- 2)) (div x4 2))), Black: 974#(< (div (* x3 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1))]) [2021-06-10 15:28:39,316 INFO L384 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2021-06-10 15:28:39,317 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-06-10 15:28:39,317 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-06-10 15:28:39,317 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-06-10 15:28:39,317 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([78] L34-->L35: Formula: (< v_x3_4 v_n_6) InVars {n=v_n_6, x3=v_x3_4} OutVars{n=v_n_6, x3=v_x3_4} AuxVars[] AssignedVars[][600], [1409#(<= x4 (* 2 x3)), Black: 226#(and (<= (* 2 (div x4 2)) x3) (= x2 x1) (= (mod x4 2) 0) (<= x3 (* 2 (div x4 2)))), Black: 189#(and (<= (* 2 x4) x3) (<= x3 (* 2 x4)) (= x2 x1)), 260#true, 778#(and (<= (+ x4 1) n) (<= x4 x3)), 12#L35true, 14#L54true, 15#L19true, Black: 368#(and (= (mod x2 (- 2)) 0) (= x4 x3) (<= (* 2 (div (* x2 (- 1)) (- 2))) x1) (<= x1 (* 2 (div (* x2 (- 1)) (- 2))))), Black: 909#(and (<= x3 (* 2 x4)) (<= n x4)), 407#true, 24#L42true, 1054#(<= (div (* x4 (- 1)) (- 2)) (div x3 2)), Black: 1298#(and (<= x3 x4) (<= (div (* x3 (- 1)) (- 2)) (div (+ n (- 1)) 2))), 32#thread2FINALtrue, Black: 1208#true, Black: 800#(and (<= (+ (* 2 x4) 1) n) (<= (* 2 x4) x3) (<= x4 x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 1256#(<= (div (* x3 (- 1)) (- 2)) (div (+ n (- 1)) 2)), Black: 1210#(<= x3 x4), Black: 746#(<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2)), Black: 780#(and (<= (* 2 x4) x3) (<= (+ x4 1) n)), Black: 782#(and (<= (* 2 x4) x3) (<= (+ x4 1) n) (<= x4 x3)), Black: 786#(and (<= (+ (* 2 x4) 1) n) (<= (+ x4 1) n)), Black: 788#(and (<= (+ (* 2 x4) 1) n) (<= (* 2 x4) x3) (<= (+ x4 1) n) (<= x4 x3)), Black: 790#(and (<= x4 x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 792#(and (<= (* 2 x4) x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 794#(and (<= (* 2 x4) x3) (<= x4 x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 698#true, Black: 700#(<= x4 x3), Black: 798#(and (<= (+ (* 2 x4) 1) n) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 48#(and (= x4 x3) (= x2 x1)), Black: 1108#true, Black: 641#(<= (div (* x2 (- 1)) (- 2)) (div x1 2)), Black: 689#(and (<= n x1) (<= (div (* x2 (- 1)) (- 2)) (div x1 2))), Black: 691#(and (<= (div (* x2 (- 1)) (- 2)) (div x1 2)) (<= (div (* n (- 1)) (- 2)) (div x1 2))), Black: 1198#(and (<= x4 (* 2 x3)) (<= n x3)), Black: 114#true, Black: 181#(and (<= (+ x1 1) n) (<= x1 x2)), Black: 685#(and (<= (* 2 x2) x1) (<= n x1)), Black: 53#(= x1 x2), 1593#(and (<= x1 x2) (<= n x2)), Black: 607#(<= n x1), Black: 54#(and (<= (+ x1 1) n) (= x2 x1)), 186#true, 1213#(<= (+ x3 1) n), Black: 60#(= x1 x2), Black: 61#(and (= x2 x1) (<= n x2)), Black: 68#(<= n x3), Black: 70#(and (<= n x3) (<= x4 x3)), 75#true, Black: 263#(and (<= x4 (* 2 x3)) (= x2 x1) (<= (* 2 x3) x4)), Black: 577#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1)), Black: 579#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1) (<= (+ (* 2 x2) 1) n)), Black: 303#(and (= (mod x3 (- 2)) 0) (<= (* 2 (div (* x3 (- 1)) (- 2))) x4) (<= x4 (* 2 (div (* x3 (- 1)) (- 2)))) (= x2 x1)), Black: 581#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1) (<= x2 x1)), 334#true, Black: 583#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (+ (* 2 x2) 1) n)), Black: 489#(<= x2 x1), Black: 585#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1) (<= x2 x1) (<= (+ (* 2 x2) 1) n)), Black: 563#(and (<= (* 2 x2) x1) (<= (+ x2 1) n)), Black: 80#(and (<= (+ x4 1) n) (<= x4 x3)), Black: 565#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= (+ (* 2 x2) 1) n)), Black: 77#(<= x4 x3), Black: 567#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= x2 x1)), Black: 78#(<= (+ x4 1) n), Black: 569#(and (<= (+ x2 1) n) (<= (+ (* 2 x2) 1) n)), Black: 571#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= x2 x1) (<= (+ (* 2 x2) 1) n)), Black: 573#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= x2 x1)), Black: 1492#(and (< (div (* x4 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1)) (<= (div (* x4 (- 1)) (- 2)) (div x3 2))), Black: 541#(<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)), Black: 1444#(<= (div (* x4 (- 1)) (- 2)) (div x3 2)), Black: 575#(and (<= (+ x2 1) n) (<= x2 x1)), Black: 1448#(< (div (* x4 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1)), 602#true, Black: 1406#true, Black: 89#(<= n x4), Black: 91#(and (<= x3 x4) (<= n x4)), Black: 453#(and (<= x2 (* 2 (div x1 2))) (= (mod x1 2) 0) (= x4 x3) (<= (* 2 (div x1 2)) x2)), 480#true, 99#(<= (+ x3 1) n), Black: 96#true, Black: 101#(and (<= (+ x3 1) n) (<= x3 x4)), 106#true, 1004#(and (<= (+ x3 1) n) (<= (div (* x3 (- 1)) (- 2)) (div x4 2))), Black: 110#(<= (+ x2 1) n), Black: 1008#(and (< (div (* x3 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1)) (<= (div (* x3 (- 1)) (- 2)) (div x4 2))), Black: 970#(<= (div (* x3 (- 1)) (- 2)) (div x4 2)), 118#(<= (+ x1 1) n), Black: 974#(< (div (* x3 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1))]) [2021-06-10 15:28:39,317 INFO L384 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2021-06-10 15:28:39,317 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-06-10 15:28:39,317 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-06-10 15:28:39,317 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-06-10 15:28:39,317 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([83] L42-->thread4FINAL: Formula: (not (< v_x4_6 v_n_8)) InVars {x4=v_x4_6, n=v_n_8} OutVars{x4=v_x4_6, n=v_n_8} AuxVars[] AssignedVars[][602], [1409#(<= x4 (* 2 x3)), Black: 226#(and (<= (* 2 (div x4 2)) x3) (= x2 x1) (= (mod x4 2) 0) (<= x3 (* 2 (div x4 2)))), Black: 189#(and (<= (* 2 x4) x3) (<= x3 (* 2 x4)) (= x2 x1)), 260#true, 6#thread4FINALtrue, 905#(and (<= x3 x4) (<= n x4)), 14#L54true, 15#L19true, Black: 368#(and (= (mod x2 (- 2)) 0) (= x4 x3) (<= (* 2 (div (* x2 (- 1)) (- 2))) x1) (<= x1 (* 2 (div (* x2 (- 1)) (- 2))))), Black: 909#(and (<= x3 (* 2 x4)) (<= n x4)), 407#true, 27#L34true, Black: 1298#(and (<= x3 x4) (<= (div (* x3 (- 1)) (- 2)) (div (+ n (- 1)) 2))), 32#thread2FINALtrue, Black: 800#(and (<= (+ (* 2 x4) 1) n) (<= (* 2 x4) x3) (<= x4 x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 1256#(<= (div (* x3 (- 1)) (- 2)) (div (+ n (- 1)) 2)), Black: 1210#(<= x3 x4), Black: 746#(<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2)), Black: 780#(and (<= (* 2 x4) x3) (<= (+ x4 1) n)), Black: 782#(and (<= (* 2 x4) x3) (<= (+ x4 1) n) (<= x4 x3)), Black: 786#(and (<= (+ (* 2 x4) 1) n) (<= (+ x4 1) n)), 1320#(<= n x4), Black: 788#(and (<= (+ (* 2 x4) 1) n) (<= (* 2 x4) x3) (<= (+ x4 1) n) (<= x4 x3)), Black: 790#(and (<= x4 x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 792#(and (<= (* 2 x4) x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 794#(and (<= (* 2 x4) x3) (<= x4 x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), 1196#(and (<= x4 (* 2 x3)) (<= n (* 2 x3))), Black: 698#true, Black: 798#(and (<= (+ (* 2 x4) 1) n) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 48#(and (= x4 x3) (= x2 x1)), Black: 1108#true, Black: 641#(<= (div (* x2 (- 1)) (- 2)) (div x1 2)), Black: 689#(and (<= n x1) (<= (div (* x2 (- 1)) (- 2)) (div x1 2))), Black: 691#(and (<= (div (* x2 (- 1)) (- 2)) (div x1 2)) (<= (div (* n (- 1)) (- 2)) (div x1 2))), Black: 1198#(and (<= x4 (* 2 x3)) (<= n x3)), Black: 114#true, Black: 181#(and (<= (+ x1 1) n) (<= x1 x2)), 1208#true, Black: 685#(and (<= (* 2 x2) x1) (<= n x1)), Black: 53#(= x1 x2), 1593#(and (<= x1 x2) (<= n x2)), Black: 607#(<= n x1), Black: 54#(and (<= (+ x1 1) n) (= x2 x1)), 186#true, 700#(<= x4 x3), Black: 60#(= x1 x2), Black: 61#(and (= x2 x1) (<= n x2)), Black: 68#(<= n x3), 970#(<= (div (* x3 (- 1)) (- 2)) (div x4 2)), Black: 70#(and (<= n x3) (<= x4 x3)), 75#true, Black: 263#(and (<= x4 (* 2 x3)) (= x2 x1) (<= (* 2 x3) x4)), Black: 577#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1)), Black: 579#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1) (<= (+ (* 2 x2) 1) n)), Black: 303#(and (= (mod x3 (- 2)) 0) (<= (* 2 (div (* x3 (- 1)) (- 2))) x4) (<= x4 (* 2 (div (* x3 (- 1)) (- 2)))) (= x2 x1)), Black: 581#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1) (<= x2 x1)), 334#true, Black: 583#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (+ (* 2 x2) 1) n)), 1104#(and (<= (div (* n (- 1)) (- 2)) (div x3 2)) (<= (div (* x4 (- 1)) (- 2)) (div x3 2))), Black: 489#(<= x2 x1), Black: 585#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1) (<= x2 x1) (<= (+ (* 2 x2) 1) n)), Black: 563#(and (<= (* 2 x2) x1) (<= (+ x2 1) n)), Black: 80#(and (<= (+ x4 1) n) (<= x4 x3)), Black: 565#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= (+ (* 2 x2) 1) n)), Black: 77#(<= x4 x3), Black: 567#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= x2 x1)), Black: 78#(<= (+ x4 1) n), Black: 569#(and (<= (+ x2 1) n) (<= (+ (* 2 x2) 1) n)), Black: 571#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= x2 x1) (<= (+ (* 2 x2) 1) n)), Black: 573#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= x2 x1)), Black: 1492#(and (< (div (* x4 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1)) (<= (div (* x4 (- 1)) (- 2)) (div x3 2))), Black: 541#(<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)), Black: 1444#(<= (div (* x4 (- 1)) (- 2)) (div x3 2)), Black: 575#(and (<= (+ x2 1) n) (<= x2 x1)), Black: 1448#(< (div (* x4 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1)), 602#true, Black: 1406#true, Black: 86#true, Black: 91#(and (<= x3 x4) (<= n x4)), Black: 453#(and (<= x2 (* 2 (div x1 2))) (= (mod x1 2) 0) (= x4 x3) (<= (* 2 (div x1 2)) x2)), 96#true, 480#true, Black: 99#(<= (+ x3 1) n), Black: 101#(and (<= (+ x3 1) n) (<= x3 x4)), 106#true, Black: 110#(<= (+ x2 1) n), Black: 1008#(and (< (div (* x3 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1)) (<= (div (* x3 (- 1)) (- 2)) (div x4 2))), 118#(<= (+ x1 1) n), Black: 1004#(and (<= (+ x3 1) n) (<= (div (* x3 (- 1)) (- 2)) (div x4 2))), Black: 974#(< (div (* x3 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1))]) [2021-06-10 15:28:39,317 INFO L384 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2021-06-10 15:28:39,317 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-06-10 15:28:39,317 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-06-10 15:28:39,317 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-06-10 15:28:39,317 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([82] L42-->L43: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][604], [Black: 226#(and (<= (* 2 (div x4 2)) x3) (= x2 x1) (= (mod x4 2) 0) (<= x3 (* 2 (div x4 2)))), Black: 189#(and (<= (* 2 x4) x3) (<= x3 (* 2 x4)) (= x2 x1)), 260#true, 778#(and (<= (+ x4 1) n) (<= x4 x3)), 14#L54true, 15#L19true, 21#L43true, Black: 368#(and (= (mod x2 (- 2)) 0) (= x4 x3) (<= (* 2 (div (* x2 (- 1)) (- 2))) x1) (<= x1 (* 2 (div (* x2 (- 1)) (- 2))))), Black: 909#(and (<= x3 (* 2 x4)) (<= n x4)), 407#true, 27#L34true, 1054#(<= (div (* x4 (- 1)) (- 2)) (div x3 2)), Black: 1298#(and (<= x3 x4) (<= (div (* x3 (- 1)) (- 2)) (div (+ n (- 1)) 2))), 32#thread2FINALtrue, Black: 800#(and (<= (+ (* 2 x4) 1) n) (<= (* 2 x4) x3) (<= x4 x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 1256#(<= (div (* x3 (- 1)) (- 2)) (div (+ n (- 1)) 2)), Black: 1210#(<= x3 x4), Black: 746#(<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2)), Black: 780#(and (<= (* 2 x4) x3) (<= (+ x4 1) n)), Black: 782#(and (<= (* 2 x4) x3) (<= (+ x4 1) n) (<= x4 x3)), Black: 786#(and (<= (+ (* 2 x4) 1) n) (<= (+ x4 1) n)), Black: 788#(and (<= (+ (* 2 x4) 1) n) (<= (* 2 x4) x3) (<= (+ x4 1) n) (<= x4 x3)), Black: 790#(and (<= x4 x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 792#(and (<= (* 2 x4) x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 794#(and (<= (* 2 x4) x3) (<= x4 x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 698#true, Black: 700#(<= x4 x3), Black: 798#(and (<= (+ (* 2 x4) 1) n) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 48#(and (= x4 x3) (= x2 x1)), Black: 1108#true, Black: 641#(<= (div (* x2 (- 1)) (- 2)) (div x1 2)), Black: 689#(and (<= n x1) (<= (div (* x2 (- 1)) (- 2)) (div x1 2))), Black: 691#(and (<= (div (* x2 (- 1)) (- 2)) (div x1 2)) (<= (div (* n (- 1)) (- 2)) (div x1 2))), Black: 1198#(and (<= x4 (* 2 x3)) (<= n x3)), Black: 114#true, Black: 181#(and (<= (+ x1 1) n) (<= x1 x2)), 1208#true, Black: 685#(and (<= (* 2 x2) x1) (<= n x1)), Black: 53#(= x1 x2), 1593#(and (<= x1 x2) (<= n x2)), Black: 607#(<= n x1), Black: 54#(and (<= (+ x1 1) n) (= x2 x1)), 186#true, Black: 60#(= x1 x2), Black: 61#(and (= x2 x1) (<= n x2)), Black: 68#(<= n x3), Black: 70#(and (<= n x3) (<= x4 x3)), Black: 263#(and (<= x4 (* 2 x3)) (= x2 x1) (<= (* 2 x3) x4)), Black: 577#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1)), Black: 579#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1) (<= (+ (* 2 x2) 1) n)), Black: 303#(and (= (mod x3 (- 2)) 0) (<= (* 2 (div (* x3 (- 1)) (- 2))) x4) (<= x4 (* 2 (div (* x3 (- 1)) (- 2)))) (= x2 x1)), 78#(<= (+ x4 1) n), Black: 581#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1) (<= x2 x1)), 334#true, Black: 583#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (+ (* 2 x2) 1) n)), Black: 489#(<= x2 x1), Black: 585#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1) (<= x2 x1) (<= (+ (* 2 x2) 1) n)), Black: 563#(and (<= (* 2 x2) x1) (<= (+ x2 1) n)), Black: 80#(and (<= (+ x4 1) n) (<= x4 x3)), Black: 565#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= (+ (* 2 x2) 1) n)), Black: 75#true, Black: 77#(<= x4 x3), Black: 567#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= x2 x1)), Black: 569#(and (<= (+ x2 1) n) (<= (+ (* 2 x2) 1) n)), 1494#(and (<= (+ x4 1) n) (<= x4 (* 2 x3))), Black: 571#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= x2 x1) (<= (+ (* 2 x2) 1) n)), Black: 573#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= x2 x1)), Black: 1492#(and (< (div (* x4 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1)) (<= (div (* x4 (- 1)) (- 2)) (div x3 2))), Black: 541#(<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)), Black: 1444#(<= (div (* x4 (- 1)) (- 2)) (div x3 2)), Black: 575#(and (<= (+ x2 1) n) (<= x2 x1)), Black: 1448#(< (div (* x4 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1)), 602#true, Black: 1406#true, Black: 89#(<= n x4), Black: 91#(and (<= x3 x4) (<= n x4)), Black: 453#(and (<= x2 (* 2 (div x1 2))) (= (mod x1 2) 0) (= x4 x3) (<= (* 2 (div x1 2)) x2)), 96#true, 480#true, Black: 99#(<= (+ x3 1) n), Black: 101#(and (<= (+ x3 1) n) (<= x3 x4)), 106#true, 1008#(and (< (div (* x3 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1)) (<= (div (* x3 (- 1)) (- 2)) (div x4 2))), Black: 110#(<= (+ x2 1) n), Black: 970#(<= (div (* x3 (- 1)) (- 2)) (div x4 2)), 118#(<= (+ x1 1) n), Black: 1004#(and (<= (+ x3 1) n) (<= (div (* x3 (- 1)) (- 2)) (div x4 2))), Black: 974#(< (div (* x3 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1))]) [2021-06-10 15:28:39,317 INFO L384 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2021-06-10 15:28:39,317 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-06-10 15:28:39,317 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-06-10 15:28:39,317 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-06-10 15:28:39,318 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([72] L19-->L18: Formula: (= v_x1_2 (* v_x1_3 2)) InVars {x1=v_x1_3} OutVars{x1=v_x1_2} AuxVars[] AssignedVars[x1][417], [1409#(<= x4 (* 2 x3)), Black: 226#(and (<= (* 2 (div x4 2)) x3) (= x2 x1) (= (mod x4 2) 0) (<= x3 (* 2 (div x4 2)))), Black: 189#(and (<= (* 2 x4) x3) (<= x3 (* 2 x4)) (= x2 x1)), 260#true, 14#L54true, Black: 368#(and (= (mod x2 (- 2)) 0) (= x4 x3) (<= (* 2 (div (* x2 (- 1)) (- 2))) x1) (<= x1 (* 2 (div (* x2 (- 1)) (- 2))))), Black: 909#(and (<= x3 (* 2 x4)) (<= n x4)), 407#true, 24#L42true, 27#L34true, 1054#(<= (div (* x4 (- 1)) (- 2)) (div x3 2)), Black: 1298#(and (<= x3 x4) (<= (div (* x3 (- 1)) (- 2)) (div (+ n (- 1)) 2))), 32#thread2FINALtrue, 33#L18true, Black: 800#(and (<= (+ (* 2 x4) 1) n) (<= (* 2 x4) x3) (<= x4 x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 1256#(<= (div (* x3 (- 1)) (- 2)) (div (+ n (- 1)) 2)), Black: 1210#(<= x3 x4), Black: 746#(<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2)), Black: 780#(and (<= (* 2 x4) x3) (<= (+ x4 1) n)), Black: 782#(and (<= (* 2 x4) x3) (<= (+ x4 1) n) (<= x4 x3)), Black: 786#(and (<= (+ (* 2 x4) 1) n) (<= (+ x4 1) n)), Black: 788#(and (<= (+ (* 2 x4) 1) n) (<= (* 2 x4) x3) (<= (+ x4 1) n) (<= x4 x3)), Black: 790#(and (<= x4 x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 792#(and (<= (* 2 x4) x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 794#(and (<= (* 2 x4) x3) (<= x4 x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 698#true, Black: 798#(and (<= (+ (* 2 x4) 1) n) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 48#(and (= x4 x3) (= x2 x1)), Black: 1108#true, Black: 641#(<= (div (* x2 (- 1)) (- 2)) (div x1 2)), Black: 689#(and (<= n x1) (<= (div (* x2 (- 1)) (- 2)) (div x1 2))), Black: 691#(and (<= (div (* x2 (- 1)) (- 2)) (div x1 2)) (<= (div (* n (- 1)) (- 2)) (div x1 2))), Black: 1198#(and (<= x4 (* 2 x3)) (<= n x3)), Black: 181#(and (<= (+ x1 1) n) (<= x1 x2)), 1208#true, Black: 685#(and (<= (* 2 x2) x1) (<= n x1)), Black: 53#(= x1 x2), Black: 54#(and (<= (+ x1 1) n) (= x2 x1)), Black: 118#(<= (+ x1 1) n), Black: 607#(<= n x1), 186#true, 1595#(and (<= x1 (* 2 x2)) (<= n x2)), 700#(<= x4 x3), Black: 60#(= x1 x2), Black: 61#(and (= x2 x1) (<= n x2)), Black: 68#(<= n x3), Black: 70#(and (<= n x3) (<= x4 x3)), 970#(<= (div (* x3 (- 1)) (- 2)) (div x4 2)), 75#true, Black: 263#(and (<= x4 (* 2 x3)) (= x2 x1) (<= (* 2 x3) x4)), Black: 577#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1)), Black: 303#(and (= (mod x3 (- 2)) 0) (<= (* 2 (div (* x3 (- 1)) (- 2))) x4) (<= x4 (* 2 (div (* x3 (- 1)) (- 2)))) (= x2 x1)), Black: 579#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1) (<= (+ (* 2 x2) 1) n)), 334#true, Black: 581#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1) (<= x2 x1)), Black: 583#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (+ (* 2 x2) 1) n)), Black: 489#(<= x2 x1), Black: 585#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1) (<= x2 x1) (<= (+ (* 2 x2) 1) n)), Black: 80#(and (<= (+ x4 1) n) (<= x4 x3)), Black: 563#(and (<= (* 2 x2) x1) (<= (+ x2 1) n)), Black: 565#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= (+ (* 2 x2) 1) n)), Black: 567#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= x2 x1)), Black: 77#(<= x4 x3), Black: 569#(and (<= (+ x2 1) n) (<= (+ (* 2 x2) 1) n)), Black: 78#(<= (+ x4 1) n), Black: 571#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= x2 x1) (<= (+ (* 2 x2) 1) n)), Black: 573#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= x2 x1)), Black: 541#(<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)), Black: 1492#(and (< (div (* x4 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1)) (<= (div (* x4 (- 1)) (- 2)) (div x3 2))), Black: 575#(and (<= (+ x2 1) n) (<= x2 x1)), Black: 1444#(<= (div (* x4 (- 1)) (- 2)) (div x3 2)), Black: 1448#(< (div (* x4 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1)), 602#true, Black: 1406#true, Black: 89#(<= n x4), Black: 91#(and (<= x3 x4) (<= n x4)), Black: 453#(and (<= x2 (* 2 (div x1 2))) (= (mod x1 2) 0) (= x4 x3) (<= (* 2 (div x1 2)) x2)), 480#true, 96#true, Black: 99#(<= (+ x3 1) n), Black: 101#(and (<= (+ x3 1) n) (<= x3 x4)), 106#true, Black: 110#(<= (+ x2 1) n), 114#true, Black: 1008#(and (< (div (* x3 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1)) (<= (div (* x3 (- 1)) (- 2)) (div x4 2))), Black: 1004#(and (<= (+ x3 1) n) (<= (div (* x3 (- 1)) (- 2)) (div x4 2))), Black: 974#(< (div (* x3 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1))]) [2021-06-10 15:28:39,318 INFO L384 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2021-06-10 15:28:39,318 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-06-10 15:28:39,318 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-06-10 15:28:39,318 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-06-10 15:28:39,340 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([82] L42-->L43: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][606], [Black: 226#(and (<= (* 2 (div x4 2)) x3) (= x2 x1) (= (mod x4 2) 0) (<= x3 (* 2 (div x4 2)))), Black: 189#(and (<= (* 2 x4) x3) (<= x3 (* 2 x4)) (= x2 x1)), 260#true, 1288#(and (<= (+ x3 1) n) (<= x3 x4)), 14#L54true, 15#L19true, 21#L43true, Black: 368#(and (= (mod x2 (- 2)) 0) (= x4 x3) (<= (* 2 (div (* x2 (- 1)) (- 2))) x1) (<= x1 (* 2 (div (* x2 (- 1)) (- 2))))), Black: 909#(and (<= x3 (* 2 x4)) (<= n x4)), 407#true, 27#L34true, 923#(<= x3 (* 2 x4)), Black: 1298#(and (<= x3 x4) (<= (div (* x3 (- 1)) (- 2)) (div (+ n (- 1)) 2))), 32#thread2FINALtrue, Black: 1208#true, Black: 800#(and (<= (+ (* 2 x4) 1) n) (<= (* 2 x4) x3) (<= x4 x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 1256#(<= (div (* x3 (- 1)) (- 2)) (div (+ n (- 1)) 2)), Black: 1210#(<= x3 x4), Black: 746#(<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2)), Black: 780#(and (<= (* 2 x4) x3) (<= (+ x4 1) n)), Black: 782#(and (<= (* 2 x4) x3) (<= (+ x4 1) n) (<= x4 x3)), Black: 786#(and (<= (+ (* 2 x4) 1) n) (<= (+ x4 1) n)), Black: 788#(and (<= (+ (* 2 x4) 1) n) (<= (* 2 x4) x3) (<= (+ x4 1) n) (<= x4 x3)), Black: 790#(and (<= x4 x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 792#(and (<= (* 2 x4) x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 794#(and (<= (* 2 x4) x3) (<= x4 x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 698#true, Black: 700#(<= x4 x3), Black: 798#(and (<= (+ (* 2 x4) 1) n) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 48#(and (= x4 x3) (= x2 x1)), Black: 1108#true, Black: 641#(<= (div (* x2 (- 1)) (- 2)) (div x1 2)), Black: 689#(and (<= n x1) (<= (div (* x2 (- 1)) (- 2)) (div x1 2))), Black: 691#(and (<= (div (* x2 (- 1)) (- 2)) (div x1 2)) (<= (div (* n (- 1)) (- 2)) (div x1 2))), Black: 1198#(and (<= x4 (* 2 x3)) (<= n x3)), Black: 114#true, Black: 181#(and (<= (+ x1 1) n) (<= x1 x2)), Black: 685#(and (<= (* 2 x2) x1) (<= n x1)), Black: 53#(= x1 x2), Black: 607#(<= n x1), Black: 54#(and (<= (+ x1 1) n) (= x2 x1)), 1593#(and (<= x1 x2) (<= n x2)), 186#true, 703#(<= (+ x4 1) n), Black: 60#(= x1 x2), Black: 61#(and (= x2 x1) (<= n x2)), 1348#(<= (div (* x3 (- 1)) (- 2)) (div x4 2)), Black: 68#(<= n x3), Black: 70#(and (<= n x3) (<= x4 x3)), Black: 263#(and (<= x4 (* 2 x3)) (= x2 x1) (<= (* 2 x3) x4)), Black: 577#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1)), Black: 579#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1) (<= (+ (* 2 x2) 1) n)), Black: 303#(and (= (mod x3 (- 2)) 0) (<= (* 2 (div (* x3 (- 1)) (- 2))) x4) (<= x4 (* 2 (div (* x3 (- 1)) (- 2)))) (= x2 x1)), 334#true, Black: 581#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1) (<= x2 x1)), 78#(<= (+ x4 1) n), Black: 583#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (+ (* 2 x2) 1) n)), Black: 489#(<= x2 x1), Black: 585#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1) (<= x2 x1) (<= (+ (* 2 x2) 1) n)), Black: 563#(and (<= (* 2 x2) x1) (<= (+ x2 1) n)), Black: 80#(and (<= (+ x4 1) n) (<= x4 x3)), 1490#(and (<= (+ x4 1) n) (<= (div (* x4 (- 1)) (- 2)) (div x3 2))), Black: 565#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= (+ (* 2 x2) 1) n)), Black: 75#true, Black: 77#(<= x4 x3), Black: 567#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= x2 x1)), Black: 569#(and (<= (+ x2 1) n) (<= (+ (* 2 x2) 1) n)), Black: 571#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= x2 x1) (<= (+ (* 2 x2) 1) n)), Black: 573#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= x2 x1)), Black: 1492#(and (< (div (* x4 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1)) (<= (div (* x4 (- 1)) (- 2)) (div x3 2))), Black: 541#(<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)), Black: 575#(and (<= (+ x2 1) n) (<= x2 x1)), Black: 1444#(<= (div (* x4 (- 1)) (- 2)) (div x3 2)), Black: 1448#(< (div (* x4 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1)), 602#true, Black: 1406#true, Black: 89#(<= n x4), Black: 91#(and (<= x3 x4) (<= n x4)), Black: 453#(and (<= x2 (* 2 (div x1 2))) (= (mod x1 2) 0) (= x4 x3) (<= (* 2 (div x1 2)) x2)), 96#true, 480#true, Black: 99#(<= (+ x3 1) n), Black: 101#(and (<= (+ x3 1) n) (<= x3 x4)), 106#true, Black: 110#(<= (+ x2 1) n), Black: 1008#(and (< (div (* x3 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1)) (<= (div (* x3 (- 1)) (- 2)) (div x4 2))), Black: 970#(<= (div (* x3 (- 1)) (- 2)) (div x4 2)), Black: 1004#(and (<= (+ x3 1) n) (<= (div (* x3 (- 1)) (- 2)) (div x4 2))), 118#(<= (+ x1 1) n), Black: 974#(< (div (* x3 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1))]) [2021-06-10 15:28:39,340 INFO L384 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2021-06-10 15:28:39,340 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-06-10 15:28:39,340 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-06-10 15:28:39,340 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-06-10 15:28:39,340 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([72] L19-->L18: Formula: (= v_x1_2 (* v_x1_3 2)) InVars {x1=v_x1_3} OutVars{x1=v_x1_2} AuxVars[] AssignedVars[x1][417], [Black: 226#(and (<= (* 2 (div x4 2)) x3) (= x2 x1) (= (mod x4 2) 0) (<= x3 (* 2 (div x4 2)))), Black: 189#(and (<= (* 2 x4) x3) (<= x3 (* 2 x4)) (= x2 x1)), 260#true, 14#L54true, Black: 368#(and (= (mod x2 (- 2)) 0) (= x4 x3) (<= (* 2 (div (* x2 (- 1)) (- 2))) x1) (<= x1 (* 2 (div (* x2 (- 1)) (- 2))))), Black: 909#(and (<= x3 (* 2 x4)) (<= n x4)), 407#true, 24#L42true, 27#L34true, 923#(<= x3 (* 2 x4)), Black: 1298#(and (<= x3 x4) (<= (div (* x3 (- 1)) (- 2)) (div (+ n (- 1)) 2))), 32#thread2FINALtrue, Black: 1208#true, 33#L18true, Black: 800#(and (<= (+ (* 2 x4) 1) n) (<= (* 2 x4) x3) (<= x4 x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 1256#(<= (div (* x3 (- 1)) (- 2)) (div (+ n (- 1)) 2)), Black: 746#(<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2)), 1444#(<= (div (* x4 (- 1)) (- 2)) (div x3 2)), Black: 780#(and (<= (* 2 x4) x3) (<= (+ x4 1) n)), Black: 782#(and (<= (* 2 x4) x3) (<= (+ x4 1) n) (<= x4 x3)), Black: 786#(and (<= (+ (* 2 x4) 1) n) (<= (+ x4 1) n)), Black: 788#(and (<= (+ (* 2 x4) 1) n) (<= (* 2 x4) x3) (<= (+ x4 1) n) (<= x4 x3)), Black: 790#(and (<= x4 x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 792#(and (<= (* 2 x4) x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 794#(and (<= (* 2 x4) x3) (<= x4 x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 700#(<= x4 x3), Black: 798#(and (<= (+ (* 2 x4) 1) n) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 48#(and (= x4 x3) (= x2 x1)), Black: 1108#true, Black: 641#(<= (div (* x2 (- 1)) (- 2)) (div x1 2)), Black: 689#(and (<= n x1) (<= (div (* x2 (- 1)) (- 2)) (div x1 2))), Black: 691#(and (<= (div (* x2 (- 1)) (- 2)) (div x1 2)) (<= (div (* n (- 1)) (- 2)) (div x1 2))), Black: 1198#(and (<= x4 (* 2 x3)) (<= n x3)), Black: 181#(and (<= (+ x1 1) n) (<= x1 x2)), Black: 685#(and (<= (* 2 x2) x1) (<= n x1)), Black: 53#(= x1 x2), Black: 607#(<= n x1), Black: 118#(<= (+ x1 1) n), Black: 54#(and (<= (+ x1 1) n) (= x2 x1)), 1210#(<= x3 x4), 698#true, 186#true, 1595#(and (<= x1 (* 2 x2)) (<= n x2)), Black: 60#(= x1 x2), Black: 61#(and (= x2 x1) (<= n x2)), 1348#(<= (div (* x3 (- 1)) (- 2)) (div x4 2)), Black: 68#(<= n x3), Black: 70#(and (<= n x3) (<= x4 x3)), 75#true, Black: 263#(and (<= x4 (* 2 x3)) (= x2 x1) (<= (* 2 x3) x4)), Black: 577#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1)), Black: 303#(and (= (mod x3 (- 2)) 0) (<= (* 2 (div (* x3 (- 1)) (- 2))) x4) (<= x4 (* 2 (div (* x3 (- 1)) (- 2)))) (= x2 x1)), Black: 579#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1) (<= (+ (* 2 x2) 1) n)), Black: 581#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1) (<= x2 x1)), 334#true, Black: 583#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (+ (* 2 x2) 1) n)), Black: 489#(<= x2 x1), Black: 585#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1) (<= x2 x1) (<= (+ (* 2 x2) 1) n)), Black: 80#(and (<= (+ x4 1) n) (<= x4 x3)), Black: 563#(and (<= (* 2 x2) x1) (<= (+ x2 1) n)), Black: 565#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= (+ (* 2 x2) 1) n)), Black: 77#(<= x4 x3), Black: 567#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= x2 x1)), Black: 78#(<= (+ x4 1) n), Black: 569#(and (<= (+ x2 1) n) (<= (+ (* 2 x2) 1) n)), Black: 571#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= x2 x1) (<= (+ (* 2 x2) 1) n)), Black: 573#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= x2 x1)), Black: 1492#(and (< (div (* x4 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1)) (<= (div (* x4 (- 1)) (- 2)) (div x3 2))), Black: 541#(<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)), Black: 575#(and (<= (+ x2 1) n) (<= x2 x1)), Black: 1448#(< (div (* x4 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1)), 602#true, Black: 1406#true, Black: 89#(<= n x4), Black: 91#(and (<= x3 x4) (<= n x4)), Black: 453#(and (<= x2 (* 2 (div x1 2))) (= (mod x1 2) 0) (= x4 x3) (<= (* 2 (div x1 2)) x2)), 96#true, 480#true, Black: 99#(<= (+ x3 1) n), Black: 101#(and (<= (+ x3 1) n) (<= x3 x4)), 106#true, Black: 110#(<= (+ x2 1) n), 114#true, Black: 1008#(and (< (div (* x3 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1)) (<= (div (* x3 (- 1)) (- 2)) (div x4 2))), Black: 970#(<= (div (* x3 (- 1)) (- 2)) (div x4 2)), Black: 1004#(and (<= (+ x3 1) n) (<= (div (* x3 (- 1)) (- 2)) (div x4 2))), Black: 974#(< (div (* x3 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1))]) [2021-06-10 15:28:39,340 INFO L384 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2021-06-10 15:28:39,340 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-06-10 15:28:39,340 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-06-10 15:28:39,340 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-06-10 15:28:39,340 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([83] L42-->thread4FINAL: Formula: (not (< v_x4_6 v_n_8)) InVars {x4=v_x4_6, n=v_n_8} OutVars{x4=v_x4_6, n=v_n_8} AuxVars[] AssignedVars[][608], [Black: 226#(and (<= (* 2 (div x4 2)) x3) (= x2 x1) (= (mod x4 2) 0) (<= x3 (* 2 (div x4 2)))), Black: 189#(and (<= (* 2 x4) x3) (<= x3 (* 2 x4)) (= x2 x1)), 260#true, 6#thread4FINALtrue, 909#(and (<= x3 (* 2 x4)) (<= n x4)), 14#L54true, 15#L19true, Black: 368#(and (= (mod x2 (- 2)) 0) (= x4 x3) (<= (* 2 (div (* x2 (- 1)) (- 2))) x1) (<= x1 (* 2 (div (* x2 (- 1)) (- 2))))), 407#true, 27#L34true, 923#(<= x3 (* 2 x4)), Black: 1298#(and (<= x3 x4) (<= (div (* x3 (- 1)) (- 2)) (div (+ n (- 1)) 2))), 32#thread2FINALtrue, Black: 1208#true, Black: 800#(and (<= (+ (* 2 x4) 1) n) (<= (* 2 x4) x3) (<= x4 x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 1256#(<= (div (* x3 (- 1)) (- 2)) (div (+ n (- 1)) 2)), Black: 746#(<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2)), 1444#(<= (div (* x4 (- 1)) (- 2)) (div x3 2)), Black: 780#(and (<= (* 2 x4) x3) (<= (+ x4 1) n)), Black: 782#(and (<= (* 2 x4) x3) (<= (+ x4 1) n) (<= x4 x3)), Black: 786#(and (<= (+ (* 2 x4) 1) n) (<= (+ x4 1) n)), Black: 788#(and (<= (+ (* 2 x4) 1) n) (<= (* 2 x4) x3) (<= (+ x4 1) n) (<= x4 x3)), Black: 790#(and (<= x4 x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), 1194#(and (<= n x3) (<= x4 x3)), Black: 792#(and (<= (* 2 x4) x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 794#(and (<= (* 2 x4) x3) (<= x4 x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 700#(<= x4 x3), Black: 798#(and (<= (+ (* 2 x4) 1) n) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 48#(and (= x4 x3) (= x2 x1)), Black: 1108#true, Black: 641#(<= (div (* x2 (- 1)) (- 2)) (div x1 2)), Black: 689#(and (<= n x1) (<= (div (* x2 (- 1)) (- 2)) (div x1 2))), Black: 691#(and (<= (div (* x2 (- 1)) (- 2)) (div x1 2)) (<= (div (* n (- 1)) (- 2)) (div x1 2))), Black: 1198#(and (<= x4 (* 2 x3)) (<= n x3)), Black: 114#true, Black: 181#(and (<= (+ x1 1) n) (<= x1 x2)), Black: 685#(and (<= (* 2 x2) x1) (<= n x1)), Black: 53#(= x1 x2), Black: 607#(<= n x1), Black: 54#(and (<= (+ x1 1) n) (= x2 x1)), 1593#(and (<= x1 x2) (<= n x2)), 1210#(<= x3 x4), 698#true, 186#true, Black: 60#(= x1 x2), Black: 61#(and (= x2 x1) (<= n x2)), Black: 68#(<= n x3), Black: 70#(and (<= n x3) (<= x4 x3)), 75#true, Black: 263#(and (<= x4 (* 2 x3)) (= x2 x1) (<= (* 2 x3) x4)), Black: 577#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1)), Black: 579#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1) (<= (+ (* 2 x2) 1) n)), Black: 303#(and (= (mod x3 (- 2)) 0) (<= (* 2 (div (* x3 (- 1)) (- 2))) x4) (<= x4 (* 2 (div (* x3 (- 1)) (- 2)))) (= x2 x1)), 334#true, Black: 581#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1) (<= x2 x1)), Black: 583#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (+ (* 2 x2) 1) n)), Black: 489#(<= x2 x1), Black: 585#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1) (<= x2 x1) (<= (+ (* 2 x2) 1) n)), Black: 563#(and (<= (* 2 x2) x1) (<= (+ x2 1) n)), Black: 80#(and (<= (+ x4 1) n) (<= x4 x3)), Black: 565#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= (+ (* 2 x2) 1) n)), Black: 77#(<= x4 x3), Black: 567#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= x2 x1)), Black: 569#(and (<= (+ x2 1) n) (<= (+ (* 2 x2) 1) n)), Black: 78#(<= (+ x4 1) n), Black: 571#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= x2 x1) (<= (+ (* 2 x2) 1) n)), Black: 573#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= x2 x1)), Black: 1492#(and (< (div (* x4 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1)) (<= (div (* x4 (- 1)) (- 2)) (div x3 2))), Black: 541#(<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)), Black: 575#(and (<= (+ x2 1) n) (<= x2 x1)), Black: 1448#(< (div (* x4 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1)), 602#true, Black: 1406#true, Black: 86#true, Black: 91#(and (<= x3 x4) (<= n x4)), Black: 453#(and (<= x2 (* 2 (div x1 2))) (= (mod x1 2) 0) (= x4 x3) (<= (* 2 (div x1 2)) x2)), 96#true, 480#true, Black: 99#(<= (+ x3 1) n), Black: 101#(and (<= (+ x3 1) n) (<= x3 x4)), 106#true, Black: 110#(<= (+ x2 1) n), Black: 1008#(and (< (div (* x3 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1)) (<= (div (* x3 (- 1)) (- 2)) (div x4 2))), Black: 970#(<= (div (* x3 (- 1)) (- 2)) (div x4 2)), Black: 1004#(and (<= (+ x3 1) n) (<= (div (* x3 (- 1)) (- 2)) (div x4 2))), 118#(<= (+ x1 1) n), Black: 974#(< (div (* x3 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1)), 1402#(and (<= (div (* x3 (- 1)) (- 2)) (div x4 2)) (<= n x4))]) [2021-06-10 15:28:39,340 INFO L384 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2021-06-10 15:28:39,340 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-06-10 15:28:39,340 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-06-10 15:28:39,340 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-06-10 15:28:39,341 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([79] L34-->thread3FINAL: Formula: (not (< v_x3_3 v_n_5)) InVars {n=v_n_5, x3=v_x3_3} OutVars{n=v_n_5, x3=v_x3_3} AuxVars[] AssignedVars[][610], [Black: 226#(and (<= (* 2 (div x4 2)) x3) (= x2 x1) (= (mod x4 2) 0) (<= x3 (* 2 (div x4 2)))), Black: 189#(and (<= (* 2 x4) x3) (<= x3 (* 2 x4)) (= x2 x1)), 260#true, 903#(and (<= x3 (* 2 x4)) (<= n (* 2 x4))), 14#L54true, 15#L19true, Black: 368#(and (= (mod x2 (- 2)) 0) (= x4 x3) (<= (* 2 (div (* x2 (- 1)) (- 2))) x1) (<= x1 (* 2 (div (* x2 (- 1)) (- 2))))), Black: 909#(and (<= x3 (* 2 x4)) (<= n x4)), 407#true, 24#L42true, 923#(<= x3 (* 2 x4)), Black: 1298#(and (<= x3 x4) (<= (div (* x3 (- 1)) (- 2)) (div (+ n (- 1)) 2))), 32#thread2FINALtrue, Black: 1208#true, Black: 800#(and (<= (+ (* 2 x4) 1) n) (<= (* 2 x4) x3) (<= x4 x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 1256#(<= (div (* x3 (- 1)) (- 2)) (div (+ n (- 1)) 2)), Black: 746#(<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2)), 1444#(<= (div (* x4 (- 1)) (- 2)) (div x3 2)), Black: 780#(and (<= (* 2 x4) x3) (<= (+ x4 1) n)), 37#thread3FINALtrue, Black: 782#(and (<= (* 2 x4) x3) (<= (+ x4 1) n) (<= x4 x3)), Black: 786#(and (<= (+ (* 2 x4) 1) n) (<= (+ x4 1) n)), Black: 788#(and (<= (+ (* 2 x4) 1) n) (<= (* 2 x4) x3) (<= (+ x4 1) n) (<= x4 x3)), Black: 790#(and (<= x4 x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), 1194#(and (<= n x3) (<= x4 x3)), Black: 792#(and (<= (* 2 x4) x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 794#(and (<= (* 2 x4) x3) (<= x4 x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 700#(<= x4 x3), Black: 798#(and (<= (+ (* 2 x4) 1) n) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 48#(and (= x4 x3) (= x2 x1)), Black: 1108#true, Black: 641#(<= (div (* x2 (- 1)) (- 2)) (div x1 2)), Black: 689#(and (<= n x1) (<= (div (* x2 (- 1)) (- 2)) (div x1 2))), Black: 691#(and (<= (div (* x2 (- 1)) (- 2)) (div x1 2)) (<= (div (* n (- 1)) (- 2)) (div x1 2))), Black: 1198#(and (<= x4 (* 2 x3)) (<= n x3)), Black: 114#true, Black: 181#(and (<= (+ x1 1) n) (<= x1 x2)), Black: 685#(and (<= (* 2 x2) x1) (<= n x1)), Black: 53#(= x1 x2), Black: 607#(<= n x1), Black: 54#(and (<= (+ x1 1) n) (= x2 x1)), 1593#(and (<= x1 x2) (<= n x2)), 1210#(<= x3 x4), 186#true, 698#true, Black: 60#(= x1 x2), Black: 61#(and (= x2 x1) (<= n x2)), Black: 70#(and (<= n x3) (<= x4 x3)), 75#true, Black: 263#(and (<= x4 (* 2 x3)) (= x2 x1) (<= (* 2 x3) x4)), Black: 577#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1)), Black: 579#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1) (<= (+ (* 2 x2) 1) n)), Black: 303#(and (= (mod x3 (- 2)) 0) (<= (* 2 (div (* x3 (- 1)) (- 2))) x4) (<= x4 (* 2 (div (* x3 (- 1)) (- 2)))) (= x2 x1)), 334#true, Black: 581#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1) (<= x2 x1)), Black: 583#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (+ (* 2 x2) 1) n)), Black: 489#(<= x2 x1), Black: 585#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1) (<= x2 x1) (<= (+ (* 2 x2) 1) n)), Black: 563#(and (<= (* 2 x2) x1) (<= (+ x2 1) n)), Black: 80#(and (<= (+ x4 1) n) (<= x4 x3)), Black: 565#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= (+ (* 2 x2) 1) n)), Black: 77#(<= x4 x3), Black: 567#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= x2 x1)), Black: 569#(and (<= (+ x2 1) n) (<= (+ (* 2 x2) 1) n)), Black: 78#(<= (+ x4 1) n), Black: 571#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= x2 x1) (<= (+ (* 2 x2) 1) n)), Black: 573#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= x2 x1)), Black: 1492#(and (< (div (* x4 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1)) (<= (div (* x4 (- 1)) (- 2)) (div x3 2))), Black: 541#(<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)), Black: 575#(and (<= (+ x2 1) n) (<= x2 x1)), Black: 1448#(< (div (* x4 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1)), 602#true, Black: 1406#true, Black: 89#(<= n x4), Black: 91#(and (<= x3 x4) (<= n x4)), Black: 453#(and (<= x2 (* 2 (div x1 2))) (= (mod x1 2) 0) (= x4 x3) (<= (* 2 (div x1 2)) x2)), 96#true, 480#true, Black: 99#(<= (+ x3 1) n), Black: 101#(and (<= (+ x3 1) n) (<= x3 x4)), 106#true, Black: 110#(<= (+ x2 1) n), Black: 1008#(and (< (div (* x3 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1)) (<= (div (* x3 (- 1)) (- 2)) (div x4 2))), Black: 970#(<= (div (* x3 (- 1)) (- 2)) (div x4 2)), Black: 1004#(and (<= (+ x3 1) n) (<= (div (* x3 (- 1)) (- 2)) (div x4 2))), 118#(<= (+ x1 1) n), Black: 974#(< (div (* x3 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1)), 1020#(<= n x3), 1404#(and (<= (div (* n (- 1)) (- 2)) (div x4 2)) (<= (div (* x3 (- 1)) (- 2)) (div x4 2)))]) [2021-06-10 15:28:39,341 INFO L384 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2021-06-10 15:28:39,341 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-06-10 15:28:39,341 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-06-10 15:28:39,341 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-06-10 15:28:39,341 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([78] L34-->L35: Formula: (< v_x3_4 v_n_6) InVars {n=v_n_6, x3=v_x3_4} OutVars{n=v_n_6, x3=v_x3_4} AuxVars[] AssignedVars[][612], [Black: 226#(and (<= (* 2 (div x4 2)) x3) (= x2 x1) (= (mod x4 2) 0) (<= x3 (* 2 (div x4 2)))), Black: 189#(and (<= (* 2 x4) x3) (<= x3 (* 2 x4)) (= x2 x1)), 260#true, 1288#(and (<= (+ x3 1) n) (<= x3 x4)), 12#L35true, 14#L54true, 15#L19true, Black: 368#(and (= (mod x2 (- 2)) 0) (= x4 x3) (<= (* 2 (div (* x2 (- 1)) (- 2))) x1) (<= x1 (* 2 (div (* x2 (- 1)) (- 2))))), Black: 909#(and (<= x3 (* 2 x4)) (<= n x4)), 407#true, 24#L42true, Black: 1298#(and (<= x3 x4) (<= (div (* x3 (- 1)) (- 2)) (div (+ n (- 1)) 2))), 32#thread2FINALtrue, Black: 1208#true, Black: 800#(and (<= (+ (* 2 x4) 1) n) (<= (* 2 x4) x3) (<= x4 x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 1256#(<= (div (* x3 (- 1)) (- 2)) (div (+ n (- 1)) 2)), Black: 1210#(<= x3 x4), Black: 746#(<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2)), Black: 780#(and (<= (* 2 x4) x3) (<= (+ x4 1) n)), Black: 782#(and (<= (* 2 x4) x3) (<= (+ x4 1) n) (<= x4 x3)), Black: 786#(and (<= (+ (* 2 x4) 1) n) (<= (+ x4 1) n)), Black: 788#(and (<= (+ (* 2 x4) 1) n) (<= (* 2 x4) x3) (<= (+ x4 1) n) (<= x4 x3)), Black: 790#(and (<= x4 x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 792#(and (<= (* 2 x4) x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 794#(and (<= (* 2 x4) x3) (<= x4 x3) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 700#(<= x4 x3), Black: 798#(and (<= (+ (* 2 x4) 1) n) (<= (div (* x4 (- 1)) (- 2)) (div (+ n (- 1)) 2))), Black: 48#(and (= x4 x3) (= x2 x1)), Black: 1108#true, Black: 641#(<= (div (* x2 (- 1)) (- 2)) (div x1 2)), Black: 689#(and (<= n x1) (<= (div (* x2 (- 1)) (- 2)) (div x1 2))), Black: 691#(and (<= (div (* x2 (- 1)) (- 2)) (div x1 2)) (<= (div (* n (- 1)) (- 2)) (div x1 2))), Black: 1198#(and (<= x4 (* 2 x3)) (<= n x3)), Black: 114#true, Black: 181#(and (<= (+ x1 1) n) (<= x1 x2)), Black: 685#(and (<= (* 2 x2) x1) (<= n x1)), Black: 53#(= x1 x2), Black: 607#(<= n x1), Black: 54#(and (<= (+ x1 1) n) (= x2 x1)), 1593#(and (<= x1 x2) (<= n x2)), 698#true, 186#true, Black: 60#(= x1 x2), Black: 61#(and (= x2 x1) (<= n x2)), 1348#(<= (div (* x3 (- 1)) (- 2)) (div x4 2)), Black: 68#(<= n x3), Black: 70#(and (<= n x3) (<= x4 x3)), 75#true, Black: 263#(and (<= x4 (* 2 x3)) (= x2 x1) (<= (* 2 x3) x4)), Black: 577#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1)), Black: 579#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1) (<= (+ (* 2 x2) 1) n)), Black: 303#(and (= (mod x3 (- 2)) 0) (<= (* 2 (div (* x3 (- 1)) (- 2))) x4) (<= x4 (* 2 (div (* x3 (- 1)) (- 2)))) (= x2 x1)), 334#true, Black: 581#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1) (<= x2 x1)), Black: 583#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (+ (* 2 x2) 1) n)), Black: 489#(<= x2 x1), Black: 585#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= (* 2 x2) x1) (<= x2 x1) (<= (+ (* 2 x2) 1) n)), Black: 563#(and (<= (* 2 x2) x1) (<= (+ x2 1) n)), Black: 80#(and (<= (+ x4 1) n) (<= x4 x3)), Black: 565#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= (+ (* 2 x2) 1) n)), Black: 567#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= x2 x1)), Black: 77#(<= x4 x3), 1492#(and (< (div (* x4 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1)) (<= (div (* x4 (- 1)) (- 2)) (div x3 2))), Black: 78#(<= (+ x4 1) n), Black: 569#(and (<= (+ x2 1) n) (<= (+ (* 2 x2) 1) n)), Black: 571#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= x2 x1) (<= (+ (* 2 x2) 1) n)), Black: 573#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= x2 x1)), Black: 541#(<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)), Black: 575#(and (<= (+ x2 1) n) (<= x2 x1)), Black: 1444#(<= (div (* x4 (- 1)) (- 2)) (div x3 2)), Black: 1448#(< (div (* x4 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1)), 602#true, Black: 1406#true, Black: 89#(<= n x4), Black: 91#(and (<= x3 x4) (<= n x4)), Black: 453#(and (<= x2 (* 2 (div x1 2))) (= (mod x1 2) 0) (= x4 x3) (<= (* 2 (div x1 2)) x2)), 480#true, 99#(<= (+ x3 1) n), Black: 96#true, Black: 101#(and (<= (+ x3 1) n) (<= x3 x4)), 106#true, 1006#(and (<= (+ x3 1) n) (<= x3 (* 2 x4))), Black: 110#(<= (+ x2 1) n), Black: 1008#(and (< (div (* x3 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1)) (<= (div (* x3 (- 1)) (- 2)) (div x4 2))), Black: 970#(<= (div (* x3 (- 1)) (- 2)) (div x4 2)), Black: 1004#(and (<= (+ x3 1) n) (<= (div (* x3 (- 1)) (- 2)) (div x4 2))), 118#(<= (+ x1 1) n), Black: 974#(< (div (* x3 (- 1)) (- 2)) (+ (div (+ n (- 1)) 2) 1))]) [2021-06-10 15:28:39,341 INFO L384 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2021-06-10 15:28:39,341 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-06-10 15:28:39,341 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-06-10 15:28:39,341 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-06-10 15:28:41,334 INFO L129 PetriNetUnfolder]: 37680/63067 cut-off events. [2021-06-10 15:28:41,334 INFO L130 PetriNetUnfolder]: For 1362987/1373891 co-relation queries the response was YES. [2021-06-10 15:28:42,977 INFO L84 FinitePrefix]: Finished finitePrefix Result has 539307 conditions, 63067 events. 37680/63067 cut-off events. For 1362987/1373891 co-relation queries the response was YES. Maximal size of possible extension queue 3926. Compared 601121 event pairs, 5653 based on Foata normal form. 4247/63609 useless extension candidates. Maximal degree in co-relation 535555. Up to 19549 conditions per place. [2021-06-10 15:28:43,408 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 1313 selfloop transitions, 94 changer transitions 13/1555 dead transitions. [2021-06-10 15:28:43,408 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 1555 transitions, 29762 flow [2021-06-10 15:28:43,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-10 15:28:43,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-06-10 15:28:43,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 388 transitions. [2021-06-10 15:28:43,409 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8398268398268398 [2021-06-10 15:28:43,409 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 388 transitions. [2021-06-10 15:28:43,409 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 388 transitions. [2021-06-10 15:28:43,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 15:28:43,409 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 388 transitions. [2021-06-10 15:28:43,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 27.714285714285715) internal successors, (388), 14 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:28:43,411 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 33.0) internal successors, (495), 15 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:28:43,411 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 33.0) internal successors, (495), 15 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:28:43,411 INFO L185 Difference]: Start difference. First operand has 242 places, 333 transitions, 6145 flow. Second operand 14 states and 388 transitions. [2021-06-10 15:28:43,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 1555 transitions, 29762 flow [2021-06-10 15:28:58,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 1555 transitions, 28932 flow, removed 325 selfloop flow, removed 6 redundant places. [2021-06-10 15:28:58,549 INFO L241 Difference]: Finished difference. Result has 256 places, 368 transitions, 7103 flow [2021-06-10 15:28:58,549 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=6042, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=332, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=262, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=7103, PETRI_PLACES=256, PETRI_TRANSITIONS=368} [2021-06-10 15:28:58,550 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 220 predicate places. [2021-06-10 15:28:58,550 INFO L480 AbstractCegarLoop]: Abstraction has has 256 places, 368 transitions, 7103 flow [2021-06-10 15:28:58,550 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 22.375) internal successors, (179), 8 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:28:58,550 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 15:28:58,550 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 15:28:58,750 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 15:28:58,751 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 15:28:58,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 15:28:58,751 INFO L82 PathProgramCache]: Analyzing trace with hash 965962867, now seen corresponding path program 6 times [2021-06-10 15:28:58,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 15:28:58,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584691437] [2021-06-10 15:28:58,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 15:28:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:28:58,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:28:58,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:28:58,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:28:58,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:58,774 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:28:58,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584691437] [2021-06-10 15:28:58,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071076997] [2021-06-10 15:28:58,774 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 15:28:58,793 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-10 15:28:58,793 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 15:28:58,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-10 15:28:58,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 15:28:58,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:28:58,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:28:58,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:28:58,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:28:58,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:28:58,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:28:58,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:28:58,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-06-10 15:28:58,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-06-10 15:28:58,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:28:58,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:28:58,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 15:28:58,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:28:58,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:28:58,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 15:28:58,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 15:28:58,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 15:28:58,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:28:58,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:28:58,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 15:28:58,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 15:28:58,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:28:58,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:28:58,858 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-06-10 15:28:58,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 15:28:58,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:28:58,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 15:28:58,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 15:28:58,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:58,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:58,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:58,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:58,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:58,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:58,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:58,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:58,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:58,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:58,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:58,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:58,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:58,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:58,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:58,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:58,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:58,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:58,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:58,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:58,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:58,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:58,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:58,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:58,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:58,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:58,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:58,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:58,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:58,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:58,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:58,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:28:58,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:28:58,887 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:28:58,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 15:28:58,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-10 15:28:58,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667590766] [2021-06-10 15:28:58,887 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-10 15:28:58,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 15:28:58,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-10 15:28:58,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-10 15:28:58,888 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-06-10 15:28:58,888 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 368 transitions, 7103 flow. Second operand has 8 states, 8 states have (on average 22.625) internal successors, (181), 8 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:28:58,888 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 15:28:58,888 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-06-10 15:28:58,888 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 15:29:11,705 INFO L129 PetriNetUnfolder]: 42400/69201 cut-off events. [2021-06-10 15:29:11,705 INFO L130 PetriNetUnfolder]: For 1731818/1749475 co-relation queries the response was YES. [2021-06-10 15:29:13,854 INFO L84 FinitePrefix]: Finished finitePrefix Result has 636874 conditions, 69201 events. 42400/69201 cut-off events. For 1731818/1749475 co-relation queries the response was YES. Maximal size of possible extension queue 4487. Compared 651468 event pairs, 6290 based on Foata normal form. 7450/72578 useless extension candidates. Maximal degree in co-relation 633012. Up to 21344 conditions per place. [2021-06-10 15:29:14,583 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 1246 selfloop transitions, 107 changer transitions 0/1488 dead transitions. [2021-06-10 15:29:14,584 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 1488 transitions, 28216 flow [2021-06-10 15:29:14,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-10 15:29:14,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-10 15:29:14,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 365 transitions. [2021-06-10 15:29:14,586 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8508158508158508 [2021-06-10 15:29:14,586 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 365 transitions. [2021-06-10 15:29:14,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 365 transitions. [2021-06-10 15:29:14,586 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 15:29:14,586 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 365 transitions. [2021-06-10 15:29:14,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 28.076923076923077) internal successors, (365), 13 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:29:14,596 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 33.0) internal successors, (462), 14 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:29:14,597 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 33.0) internal successors, (462), 14 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:29:14,597 INFO L185 Difference]: Start difference. First operand has 256 places, 368 transitions, 7103 flow. Second operand 13 states and 365 transitions. [2021-06-10 15:29:14,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 1488 transitions, 28216 flow [2021-06-10 15:29:40,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 1488 transitions, 27791 flow, removed 205 selfloop flow, removed 1 redundant places. [2021-06-10 15:29:40,916 INFO L241 Difference]: Finished difference. Result has 272 places, 392 transitions, 7519 flow [2021-06-10 15:29:40,917 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=6683, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=7519, PETRI_PLACES=272, PETRI_TRANSITIONS=392} [2021-06-10 15:29:40,917 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 236 predicate places. [2021-06-10 15:29:40,917 INFO L480 AbstractCegarLoop]: Abstraction has has 272 places, 392 transitions, 7519 flow [2021-06-10 15:29:40,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 22.625) internal successors, (181), 8 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:29:40,917 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 15:29:40,917 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 15:29:41,139 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-06-10 15:29:41,139 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 15:29:41,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 15:29:41,139 INFO L82 PathProgramCache]: Analyzing trace with hash -1550369115, now seen corresponding path program 7 times [2021-06-10 15:29:41,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 15:29:41,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884247614] [2021-06-10 15:29:41,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 15:29:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:29:41,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:29:41,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:29:41,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:29:41,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,162 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:29:41,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884247614] [2021-06-10 15:29:41,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336292841] [2021-06-10 15:29:41,162 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 15:29:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:29:41,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-10 15:29:41,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 15:29:41,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:29:41,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:29:41,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:29:41,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:29:41,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:29:41,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:29:41,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:29:41,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-06-10 15:29:41,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-06-10 15:29:41,221 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-06-10 15:29:41,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:29:41,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:29:41,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:29:41,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:29:41,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:29:41,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:29:41,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:29:41,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:29:41,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 15:29:41,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:29:41,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:29:41,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 15:29:41,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 15:29:41,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 15:29:41,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:29:41,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:29:41,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 15:29:41,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:29:41,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:29:41,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:29:41,260 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:29:41,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 15:29:41,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-10 15:29:41,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557456807] [2021-06-10 15:29:41,261 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-10 15:29:41,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 15:29:41,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-10 15:29:41,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-10 15:29:41,262 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-06-10 15:29:41,262 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 392 transitions, 7519 flow. Second operand has 8 states, 8 states have (on average 22.5) internal successors, (180), 8 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:29:41,262 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 15:29:41,262 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-06-10 15:29:41,262 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 15:30:04,580 INFO L129 PetriNetUnfolder]: 65040/112787 cut-off events. [2021-06-10 15:30:04,580 INFO L130 PetriNetUnfolder]: For 2604647/2625174 co-relation queries the response was YES. [2021-06-10 15:30:07,337 INFO L84 FinitePrefix]: Finished finitePrefix Result has 989339 conditions, 112787 events. 65040/112787 cut-off events. For 2604647/2625174 co-relation queries the response was YES. Maximal size of possible extension queue 6455. Compared 1192768 event pairs, 10165 based on Foata normal form. 9815/116586 useless extension candidates. Maximal degree in co-relation 979695. Up to 33952 conditions per place. [2021-06-10 15:30:08,477 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 1351 selfloop transitions, 152 changer transitions 13/1651 dead transitions. [2021-06-10 15:30:08,477 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 1651 transitions, 31422 flow [2021-06-10 15:30:08,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-10 15:30:08,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-06-10 15:30:08,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 388 transitions. [2021-06-10 15:30:08,479 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8398268398268398 [2021-06-10 15:30:08,479 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 388 transitions. [2021-06-10 15:30:08,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 388 transitions. [2021-06-10 15:30:08,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 15:30:08,479 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 388 transitions. [2021-06-10 15:30:08,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 27.714285714285715) internal successors, (388), 14 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:30:08,480 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 33.0) internal successors, (495), 15 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:30:08,480 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 33.0) internal successors, (495), 15 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:30:08,480 INFO L185 Difference]: Start difference. First operand has 272 places, 392 transitions, 7519 flow. Second operand 14 states and 388 transitions. [2021-06-10 15:30:08,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 1651 transitions, 31422 flow [2021-06-10 15:30:51,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 1651 transitions, 31275 flow, removed 65 selfloop flow, removed 2 redundant places. [2021-06-10 15:30:51,416 INFO L241 Difference]: Finished difference. Result has 291 places, 459 transitions, 9379 flow [2021-06-10 15:30:51,417 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=7400, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=9379, PETRI_PLACES=291, PETRI_TRANSITIONS=459} [2021-06-10 15:30:51,417 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 255 predicate places. [2021-06-10 15:30:51,417 INFO L480 AbstractCegarLoop]: Abstraction has has 291 places, 459 transitions, 9379 flow [2021-06-10 15:30:51,417 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 22.5) internal successors, (180), 8 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:30:51,417 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 15:30:51,417 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 15:30:51,620 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-06-10 15:30:51,621 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 15:30:51,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 15:30:51,621 INFO L82 PathProgramCache]: Analyzing trace with hash 88687785, now seen corresponding path program 8 times [2021-06-10 15:30:51,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 15:30:51,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997889454] [2021-06-10 15:30:51,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 15:30:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:30:51,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:30:51,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:30:51,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:30:51,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:30:51,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:30:51,650 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:30:51,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997889454] [2021-06-10 15:30:51,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887601107] [2021-06-10 15:30:51,651 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 15:30:51,673 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-10 15:30:51,673 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 15:30:51,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-10 15:30:51,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 15:30:51,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:30:51,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:30:51,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:30:51,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:30:51,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:30:51,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:30:51,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:30:51,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:30:51,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:30:51,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:30:51,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:30:51,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:30:51,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:30:51,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:30:51,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:30:51,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:30:51,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:30:51,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:30:51,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:30:51,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:30:51,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:30:51,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:30:51,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:30:51,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:30:51,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:30:51,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:30:51,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:30:51,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:30:51,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:30:51,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:30:51,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:30:51,726 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-06-10 15:30:51,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 15:30:51,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:30:51,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:30:51,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 15:30:51,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:30:51,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:30:51,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:30:51,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:30:51,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:30:51,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:30:51,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:30:51,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:30:51,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:30:51,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:30:51,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:30:51,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:30:51,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:30:51,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:30:51,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:30:51,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:30:51,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:30:51,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:30:51,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:30:51,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:30:51,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:30:51,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:30:51,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:30:51,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:30:51,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:30:51,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:30:51,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:30:51,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:30:51,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:30:51,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:30:51,745 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:30:51,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 15:30:51,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-10 15:30:51,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52251628] [2021-06-10 15:30:51,746 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-10 15:30:51,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 15:30:51,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-10 15:30:51,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-10 15:30:51,746 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-06-10 15:30:51,746 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 459 transitions, 9379 flow. Second operand has 8 states, 8 states have (on average 22.5) internal successors, (180), 8 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:30:51,746 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 15:30:51,746 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-06-10 15:30:51,747 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 15:31:23,623 INFO L129 PetriNetUnfolder]: 84619/139275 cut-off events. [2021-06-10 15:31:23,623 INFO L130 PetriNetUnfolder]: For 3725179/3764093 co-relation queries the response was YES. [2021-06-10 15:31:27,578 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1321095 conditions, 139275 events. 84619/139275 cut-off events. For 3725179/3764093 co-relation queries the response was YES. Maximal size of possible extension queue 7498. Compared 1404030 event pairs, 15779 based on Foata normal form. 20204/151949 useless extension candidates. Maximal degree in co-relation 1313644. Up to 49559 conditions per place. [2021-06-10 15:31:28,730 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 1925 selfloop transitions, 161 changer transitions 4/2225 dead transitions. [2021-06-10 15:31:28,730 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 2225 transitions, 42786 flow [2021-06-10 15:31:28,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-10 15:31:28,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-06-10 15:31:28,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 530 transitions. [2021-06-10 15:31:28,731 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8452950558213717 [2021-06-10 15:31:28,731 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 530 transitions. [2021-06-10 15:31:28,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 530 transitions. [2021-06-10 15:31:28,732 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 15:31:28,732 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 530 transitions. [2021-06-10 15:31:28,733 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 27.894736842105264) internal successors, (530), 19 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:31:28,733 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 33.0) internal successors, (660), 20 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:31:28,734 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 33.0) internal successors, (660), 20 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:31:28,734 INFO L185 Difference]: Start difference. First operand has 291 places, 459 transitions, 9379 flow. Second operand 19 states and 530 transitions. [2021-06-10 15:31:28,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 2225 transitions, 42786 flow [2021-06-10 15:32:57,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 2225 transitions, 42565 flow, removed 103 selfloop flow, removed 1 redundant places. [2021-06-10 15:32:57,100 INFO L241 Difference]: Finished difference. Result has 317 places, 524 transitions, 11065 flow [2021-06-10 15:32:57,100 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=9069, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=92, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=11065, PETRI_PLACES=317, PETRI_TRANSITIONS=524} [2021-06-10 15:32:57,100 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 281 predicate places. [2021-06-10 15:32:57,101 INFO L480 AbstractCegarLoop]: Abstraction has has 317 places, 524 transitions, 11065 flow [2021-06-10 15:32:57,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 22.5) internal successors, (180), 8 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:32:57,101 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 15:32:57,101 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 15:32:57,301 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-06-10 15:32:57,301 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 15:32:57,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 15:32:57,302 INFO L82 PathProgramCache]: Analyzing trace with hash -193046379, now seen corresponding path program 9 times [2021-06-10 15:32:57,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 15:32:57,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165131252] [2021-06-10 15:32:57,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 15:32:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:32:57,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:32:57,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:32:57,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:32:57,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:32:57,327 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:32:57,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165131252] [2021-06-10 15:32:57,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1286053419] [2021-06-10 15:32:57,327 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 15:32:57,347 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-10 15:32:57,347 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 15:32:57,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-10 15:32:57,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 15:32:57,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:32:57,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:32:57,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:32:57,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:32:57,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:32:57,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:32:57,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:32:57,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-06-10 15:32:57,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-06-10 15:32:57,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:32:57,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:32:57,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 15:32:57,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:32:57,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:32:57,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 15:32:57,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 15:32:57,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 15:32:57,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:32:57,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:32:57,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 15:32:57,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 15:32:57,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:32:57,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:32:57,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:32:57,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:32:57,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:32:57,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:32:57,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:32:57,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:32:57,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:32:57,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:32:57,415 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-06-10 15:32:57,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 15:32:57,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:32:57,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 15:32:57,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 15:32:57,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:32:57,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:32:57,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:32:57,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:32:57,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:32:57,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:32:57,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:32:57,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:32:57,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:32:57,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:32:57,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:32:57,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:32:57,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:32:57,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:32:57,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:32:57,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:32:57,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:32:57,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:32:57,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:32:57,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:32:57,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:32:57,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:32:57,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:32:57,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:32:57,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:32:57,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:32:57,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:32:57,435 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:32:57,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 15:32:57,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-10 15:32:57,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547618225] [2021-06-10 15:32:57,436 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-10 15:32:57,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 15:32:57,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-10 15:32:57,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-10 15:32:57,440 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-06-10 15:32:57,440 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 524 transitions, 11065 flow. Second operand has 8 states, 8 states have (on average 22.875) internal successors, (183), 8 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:32:57,441 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 15:32:57,441 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-06-10 15:32:57,441 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 15:33:35,777 INFO L129 PetriNetUnfolder]: 91519/152135 cut-off events. [2021-06-10 15:33:35,778 INFO L130 PetriNetUnfolder]: For 4364503/4388579 co-relation queries the response was YES. [2021-06-10 15:33:40,426 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1486037 conditions, 152135 events. 91519/152135 cut-off events. For 4364503/4388579 co-relation queries the response was YES. Maximal size of possible extension queue 7728. Compared 1559000 event pairs, 14516 based on Foata normal form. 12161/157875 useless extension candidates. Maximal degree in co-relation 1477867. Up to 50447 conditions per place. [2021-06-10 15:33:41,709 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 1339 selfloop transitions, 192 changer transitions 0/1666 dead transitions. [2021-06-10 15:33:41,709 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 1666 transitions, 33067 flow [2021-06-10 15:33:41,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-10 15:33:41,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-10 15:33:41,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 365 transitions. [2021-06-10 15:33:41,710 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8508158508158508 [2021-06-10 15:33:41,710 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 365 transitions. [2021-06-10 15:33:41,710 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 365 transitions. [2021-06-10 15:33:41,710 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 15:33:41,710 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 365 transitions. [2021-06-10 15:33:41,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 28.076923076923077) internal successors, (365), 13 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:33:41,712 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 33.0) internal successors, (462), 14 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:33:41,712 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 33.0) internal successors, (462), 14 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:33:41,712 INFO L185 Difference]: Start difference. First operand has 317 places, 524 transitions, 11065 flow. Second operand 13 states and 365 transitions. [2021-06-10 15:33:41,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 1666 transitions, 33067 flow [2021-06-10 15:35:38,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 1666 transitions, 32864 flow, removed 90 selfloop flow, removed 3 redundant places. [2021-06-10 15:35:38,729 INFO L241 Difference]: Finished difference. Result has 331 places, 557 transitions, 12143 flow [2021-06-10 15:35:38,730 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=10745, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=519, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=161, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=12143, PETRI_PLACES=331, PETRI_TRANSITIONS=557} [2021-06-10 15:35:38,730 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 295 predicate places. [2021-06-10 15:35:38,730 INFO L480 AbstractCegarLoop]: Abstraction has has 331 places, 557 transitions, 12143 flow [2021-06-10 15:35:38,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 22.875) internal successors, (183), 8 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:35:38,730 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 15:35:38,730 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 15:35:38,931 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-06-10 15:35:38,931 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 15:35:38,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 15:35:38,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1229649181, now seen corresponding path program 10 times [2021-06-10 15:35:38,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 15:35:38,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804506732] [2021-06-10 15:35:38,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 15:35:38,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:35:38,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:35:38,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:35:38,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:35:38,952 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:35:38,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804506732] [2021-06-10 15:35:38,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780653376] [2021-06-10 15:35:38,952 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 15:35:38,972 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-10 15:35:38,972 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 15:35:38,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-10 15:35:38,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 15:35:38,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 15:35:38,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:35:38,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:35:38,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:35:38,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:35:38,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:35:38,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 15:35:38,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:35:38,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 15:35:38,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:35:38,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:35:38,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 15:35:38,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:35:38,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:38,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 15:35:38,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 15:35:38,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 15:35:39,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 15:35:39,006 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-06-10 15:35:39,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:35:39,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:35:39,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 15:35:39,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 15:35:39,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 15:35:39,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 15:35:39,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:35:39,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:35:39,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:35:39,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:35:39,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:35:39,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:35:39,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:35:39,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:35:39,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 15:35:39,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:35:39,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 15:35:39,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 15:35:39,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:35:39,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:35:39,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:35:39,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:35:39,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:35:39,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:35:39,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:35:39,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:35:39,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:35:39,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:35:39,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:35:39,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:35:39,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:35:39,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:35:39,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:35:39,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:35:39,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:35:39,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:35:39,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:35:39,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:35:39,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:35:39,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:35:39,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:35:39,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:35:39,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:35:39,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:35:39,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:35:39,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:35:39,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:35:39,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:35:39,050 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:35:39,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 15:35:39,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-10 15:35:39,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499742550] [2021-06-10 15:35:39,051 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-10 15:35:39,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 15:35:39,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-10 15:35:39,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-10 15:35:39,052 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-06-10 15:35:39,052 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 557 transitions, 12143 flow. Second operand has 8 states, 8 states have (on average 22.625) internal successors, (181), 8 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:35:39,052 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 15:35:39,052 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-06-10 15:35:39,052 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 15:36:17,796 INFO L129 PetriNetUnfolder]: 90778/153004 cut-off events. [2021-06-10 15:36:17,796 INFO L130 PetriNetUnfolder]: For 4745603/4771677 co-relation queries the response was YES. [2021-06-10 15:36:22,543 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1521774 conditions, 153004 events. 90778/153004 cut-off events. For 4745603/4771677 co-relation queries the response was YES. Maximal size of possible extension queue 8159. Compared 1593979 event pairs, 24129 based on Foata normal form. 12360/157678 useless extension candidates. Maximal degree in co-relation 1512807. Up to 76411 conditions per place. [2021-06-10 15:36:23,870 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 1147 selfloop transitions, 126 changer transitions 37/1445 dead transitions. [2021-06-10 15:36:23,871 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 1445 transitions, 29289 flow [2021-06-10 15:36:23,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-10 15:36:23,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-10 15:36:23,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 299 transitions. [2021-06-10 15:36:23,872 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8236914600550964 [2021-06-10 15:36:23,872 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 299 transitions. [2021-06-10 15:36:23,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 299 transitions. [2021-06-10 15:36:23,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 15:36:23,872 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 299 transitions. [2021-06-10 15:36:23,872 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 27.181818181818183) internal successors, (299), 11 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:36:23,873 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 33.0) internal successors, (396), 12 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:36:23,873 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 33.0) internal successors, (396), 12 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:36:23,873 INFO L185 Difference]: Start difference. First operand has 331 places, 557 transitions, 12143 flow. Second operand 11 states and 299 transitions. [2021-06-10 15:36:23,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 1445 transitions, 29289 flow [2021-06-10 15:38:30,755 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 1445 transitions, 29054 flow, removed 83 selfloop flow, removed 7 redundant places. [2021-06-10 15:38:30,769 INFO L241 Difference]: Finished difference. Result has 338 places, 563 transitions, 12420 flow [2021-06-10 15:38:30,769 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=11813, PETRI_DIFFERENCE_MINUEND_PLACES=324, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=553, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=116, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=431, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=12420, PETRI_PLACES=338, PETRI_TRANSITIONS=563} [2021-06-10 15:38:30,770 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 302 predicate places. [2021-06-10 15:38:30,770 INFO L480 AbstractCegarLoop]: Abstraction has has 338 places, 563 transitions, 12420 flow [2021-06-10 15:38:30,770 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 22.625) internal successors, (181), 8 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:38:30,770 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 15:38:30,770 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 15:38:30,972 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-06-10 15:38:30,973 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 15:38:30,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 15:38:30,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1193019043, now seen corresponding path program 11 times [2021-06-10 15:38:30,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 15:38:30,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130733182] [2021-06-10 15:38:30,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 15:38:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 15:38:30,993 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-10 15:38:30,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:38:30,998 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-10 15:38:30,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:38:31,005 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-10 15:38:31,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:38:31,013 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-10 15:38:31,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:38:31,014 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-06-10 15:38:31,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 15:38:31,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:38:31,017 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-10 15:38:31,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130733182] [2021-06-10 15:38:31,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885849422] [2021-06-10 15:38:31,017 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 15:38:31,057 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-10 15:38:31,057 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 15:38:31,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-10 15:38:31,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 15:38:31,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:38:31,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:38:31,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:38:31,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:38:31,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:38:31,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:38:31,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:38:31,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:38:31,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:38:31,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:38:31,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:38:31,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:38:31,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:38:31,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:38:31,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:38:31,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:38:31,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:38:31,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:38:31,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:38:31,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:38:31,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:38:31,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:38:31,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:38:31,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 15:38:31,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:38:31,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:38:31,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:38:31,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 15:38:31,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:38:31,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:38:31,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:38:31,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:38:31,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:38:31,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:38:31,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:38:31,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:38:31,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:38:31,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:38:31,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:38:31,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:38:31,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:38:31,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:38:31,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:38:31,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:38:31,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:38:31,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:38:31,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:38:31,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:38:31,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:38:31,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:38:31,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:38:31,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 15:38:31,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:38:31,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:38:31,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:38:31,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:38:31,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:38:31,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:38:31,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:38:31,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 15:38:31,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 15:38:31,199 INFO L142 QuantifierPusher]: treesize reduction 5, result has 89.6 percent of original size [2021-06-10 15:38:31,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-06-10 15:38:31,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 15:38:31,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-10 15:38:31,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-10 15:38:31,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:38:31,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 15:38:31,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 15:38:31,214 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 15:38:31,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 15:38:31,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6] total 6 [2021-06-10 15:38:31,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523846337] [2021-06-10 15:38:31,215 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-10 15:38:31,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 15:38:31,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-10 15:38:31,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-06-10 15:38:31,216 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 33 [2021-06-10 15:38:31,216 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 563 transitions, 12420 flow. Second operand has 7 states, 7 states have (on average 20.714285714285715) internal successors, (145), 7 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 15:38:31,216 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 15:38:31,216 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 33 [2021-06-10 15:38:31,216 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 15:39:16,081 INFO L129 PetriNetUnfolder]: 105922/170400 cut-off events. [2021-06-10 15:39:16,081 INFO L130 PetriNetUnfolder]: For 5687323/5687373 co-relation queries the response was YES. Received shutdown request... [2021-06-10 15:39:22,083 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1753511 conditions, 170400 events. 105922/170400 cut-off events. For 5687323/5687373 co-relation queries the response was YES. Maximal size of possible extension queue 6725. Compared 1612259 event pairs, 31039 based on Foata normal form. 7/170382 useless extension candidates. Maximal degree in co-relation 1746576. Up to 147297 conditions per place. Cannot interrupt operation gracefully because timeout expired. Forcing shutdown [2021-06-10 15:39:23,825 INFO L132 encePairwiseOnDemand]: 27/33 looper letters, 669 selfloop transitions, 96 changer transitions 0/778 dead transitions. [2021-06-10 15:39:23,825 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 778 transitions, 18208 flow [2021-06-10 15:39:23,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-10 15:39:23,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-10 15:39:24,048 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 15:39:24,048 WARN L545 AbstractCegarLoop]: Verification canceled [2021-06-10 15:39:24,054 WARN L224 ceAbstractionStarter]: Timeout [2021-06-10 15:39:24,056 INFO L202 PluginConnector]: Adding new model exp2x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.06 03:39:24 BasicIcfg [2021-06-10 15:39:24,056 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-10 15:39:24,056 INFO L168 Benchmark]: Toolchain (without parser) took 769753.03 ms. Allocated memory was 371.2 MB in the beginning and 15.9 GB in the end (delta: 15.5 GB). Free memory was 350.7 MB in the beginning and 11.6 GB in the end (delta: -11.3 GB). Peak memory consumption was 8.3 GB. Max. memory is 16.0 GB. [2021-06-10 15:39:24,057 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.83 ms. Allocated memory is still 371.2 MB. Free memory is still 351.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-10 15:39:24,057 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.64 ms. Allocated memory is still 371.2 MB. Free memory was 350.7 MB in the beginning and 349.2 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-10 15:39:24,057 INFO L168 Benchmark]: Boogie Preprocessor took 14.46 ms. Allocated memory is still 371.2 MB. Free memory was 349.2 MB in the beginning and 348.3 MB in the end (delta: 936.7 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-10 15:39:24,057 INFO L168 Benchmark]: RCFGBuilder took 224.84 ms. Allocated memory is still 371.2 MB. Free memory was 348.2 MB in the beginning and 337.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-06-10 15:39:24,058 INFO L168 Benchmark]: TraceAbstraction took 769484.77 ms. Allocated memory was 371.2 MB in the beginning and 15.9 GB in the end (delta: 15.5 GB). Free memory was 336.7 MB in the beginning and 11.6 GB in the end (delta: -11.3 GB). Peak memory consumption was 8.3 GB. Max. memory is 16.0 GB. [2021-06-10 15:39:24,058 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 0.83 ms. Allocated memory is still 371.2 MB. Free memory is still 351.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 23.64 ms. Allocated memory is still 371.2 MB. Free memory was 350.7 MB in the beginning and 349.2 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 14.46 ms. Allocated memory is still 371.2 MB. Free memory was 349.2 MB in the beginning and 348.3 MB in the end (delta: 936.7 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 224.84 ms. Allocated memory is still 371.2 MB. Free memory was 348.2 MB in the beginning and 337.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 769484.77 ms. Allocated memory was 371.2 MB in the beginning and 15.9 GB in the end (delta: 15.5 GB). Free memory was 336.7 MB in the beginning and 11.6 GB in the end (delta: -11.3 GB). Peak memory consumption was 8.3 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 60). Cancelled while ReachableStatesComputation was computing reachable states (1 states constructedinput type AutomatonWithImplicitSelfloops). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 8.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 769334.0ms, OverallIterations: 30, TraceHistogramMax: 2, EmptinessCheckTime: 0.0ms, AutomataDifference: 760374.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 36.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 179 SDtfs, 1359 SDslu, 231 SDs, 0 SdLazy, 4391 SolverSat, 202 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2446.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 784 GetRequests, 491 SyntacticMatches, 34 SemanticMatches, 259 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 452 ImplicationChecksByTransitivity, 1724.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=12420occurred in iteration=29, InterpolantAutomatonStates: 281, 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: 105.1ms SsaConstructionTime, 326.8ms SatisfiabilityAnalysisTime, 3230.5ms InterpolantComputationTime, 1246 NumberOfCodeBlocks, 1246 NumberOfCodeBlocksAsserted, 72 NumberOfCheckSat, 1194 ConstructedInterpolants, 0 QuantifiedInterpolants, 5879 SizeOfPredicates, 69 NumberOfNonLiveVariables, 1459 ConjunctsInSsa, 132 ConjunctsInUnsatCore, 52 InterpolantComputations, 8 PerfectInterpolantSequences, 89/201 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 !SESSION 2021-06-10 15:26:32.555 ----------------------------------------------- eclipse.buildId=unknown java.version=11.0.11 java.vendor=Debian BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x3.wvr.bpl Command-line arguments: -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x3.wvr.bpl !ENTRY org.eclipse.osgi 4 0 2021-06-10 15:39:24.311 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f983bd77/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree (No such file or directory) at java.base/java.io.FileOutputStream.open0(Native Method) at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298) at java.base/java.io.FileOutputStream.(FileOutputStream.java:237) at java.base/java.io.FileOutputStream.(FileOutputStream.java:187) at org.eclipse.core.internal.localstore.SafeFileOutputStream.(SafeFileOutputStream.java:55) at org.eclipse.core.internal.resources.SaveManager.saveTree(SaveManager.java:1381) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1168) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2333) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2322) at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:191) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) An error has occurred. See the log file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f983bd77/.metadata/.log.