/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-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/NonAtomicIncrement_2Threads_Loop.bpl


--------------------------------------------------------------------------------


This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8
[2021-03-11 22:28:53,646 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2021-03-11 22:28:53,690 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-SemanticLbe.epf
[2021-03-11 22:28:53,704 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-03-11 22:28:53,704 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-03-11 22:28:53,705 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-03-11 22:28:53,705 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-03-11 22:28:53,705 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-03-11 22:28:53,705 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-03-11 22:28:53,705 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-03-11 22:28:53,705 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-03-11 22:28:53,705 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-03-11 22:28:53,706 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-03-11 22:28:53,706 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-03-11 22:28:53,706 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-03-11 22:28:53,706 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-03-11 22:28:53,706 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-03-11 22:28:53,706 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-03-11 22:28:53,706 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-03-11 22:28:53,706 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-03-11 22:28:53,707 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-03-11 22:28:53,707 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-03-11 22:28:53,707 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2021-03-11 22:28:53,707 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-03-11 22:28:53,707 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-03-11 22:28:53,707 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-03-11 22:28:53,707 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-03-11 22:28:53,707 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-03-11 22:28:53,707 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-03-11 22:28:53,708 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-03-11 22:28:53,708 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2021-03-11 22:28:53,708 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-03-11 22:28:53,891 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-03-11 22:28:53,913 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-03-11 22:28:53,914 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-03-11 22:28:53,915 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2021-03-11 22:28:53,915 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2021-03-11 22:28:53,916 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/NonAtomicIncrement_2Threads_Loop.bpl
[2021-03-11 22:28:53,916 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/NonAtomicIncrement_2Threads_Loop.bpl'
[2021-03-11 22:28:53,944 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-03-11 22:28:53,947 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2021-03-11 22:28:53,951 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-03-11 22:28:53,951 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-03-11 22:28:53,951 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-03-11 22:28:53,959 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 10:28:53" (1/1) ...
[2021-03-11 22:28:53,963 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 10:28:53" (1/1) ...
[2021-03-11 22:28:53,967 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-03-11 22:28:53,968 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-03-11 22:28:53,968 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-03-11 22:28:53,968 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-03-11 22:28:53,973 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 10:28:53" (1/1) ...
[2021-03-11 22:28:53,973 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 10:28:53" (1/1) ...
[2021-03-11 22:28:53,974 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 10:28:53" (1/1) ...
[2021-03-11 22:28:53,974 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 10:28:53" (1/1) ...
[2021-03-11 22:28:53,975 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 10:28:53" (1/1) ...
[2021-03-11 22:28:53,977 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 10:28:53" (1/1) ...
[2021-03-11 22:28:53,977 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 10:28:53" (1/1) ...
[2021-03-11 22:28:53,978 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-03-11 22:28:53,978 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-03-11 22:28:53,978 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-03-11 22:28:53,978 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-03-11 22:28:53,979 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 10:28:53" (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
[2021-03-11 22:28:54,020 INFO  L130     BoogieDeclarations]: Found specification of procedure fistIncrementProcess
[2021-03-11 22:28:54,021 INFO  L138     BoogieDeclarations]: Found implementation of procedure fistIncrementProcess
[2021-03-11 22:28:54,021 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-03-11 22:28:54,021 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-03-11 22:28:54,021 INFO  L130     BoogieDeclarations]: Found specification of procedure secondIncrementProcess
[2021-03-11 22:28:54,021 INFO  L138     BoogieDeclarations]: Found implementation of procedure secondIncrementProcess
[2021-03-11 22:28:54,022 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-03-11 22:28:54,142 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-03-11 22:28:54,143 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2021-03-11 22:28:54,144 INFO  L202        PluginConnector]: Adding new model NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 10:28:54 BoogieIcfgContainer
[2021-03-11 22:28:54,144 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-03-11 22:28:54,146 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-03-11 22:28:54,147 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-03-11 22:28:54,148 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-03-11 22:28:54,148 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 10:28:53" (1/2) ...
[2021-03-11 22:28:54,149 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@227063fe and model type NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 10:28:54, skipping insertion in model container
[2021-03-11 22:28:54,149 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 10:28:54" (2/2) ...
[2021-03-11 22:28:54,150 INFO  L111   eAbstractionObserver]: Analyzing ICFG NonAtomicIncrement_2Threads_Loop.bpl
[2021-03-11 22:28:54,156 INFO  L153   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-03-11 22:28:54,159 INFO  L165   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2021-03-11 22:28:54,159 INFO  L323   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-03-11 22:28:54,190 WARN  L313   ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 22:28:54,191 WARN  L313   ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 22:28:54,191 WARN  L313   ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 22:28:54,191 WARN  L313   ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 22:28:54,191 WARN  L313   ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 22:28:54,191 WARN  L313   ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 22:28:54,191 WARN  L313   ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 22:28:54,192 WARN  L313   ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 22:28:54,192 WARN  L313   ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 22:28:54,192 WARN  L313   ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 22:28:54,192 WARN  L313   ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 22:28:54,192 WARN  L313   ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 22:28:54,192 WARN  L313   ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 22:28:54,192 WARN  L313   ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 22:28:54,193 WARN  L313   ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 22:28:54,193 WARN  L313   ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 22:28:54,193 WARN  L313   ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 22:28:54,193 WARN  L313   ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 22:28:54,193 WARN  L313   ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 22:28:54,193 WARN  L313   ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 22:28:54,193 WARN  L313   ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 22:28:54,194 WARN  L313   ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 22:28:54,194 WARN  L313   ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 22:28:54,194 WARN  L313   ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 22:28:54,194 WARN  L313   ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 22:28:54,194 WARN  L313   ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 22:28:54,194 WARN  L313   ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 22:28:54,194 WARN  L313   ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 22:28:54,195 WARN  L313   ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 22:28:54,195 WARN  L313   ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 22:28:54,198 WARN  L313   ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 22:28:54,199 WARN  L313   ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 22:28:54,204 INFO  L149    ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2021-03-11 22:28:54,215 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2021-03-11 22:28:54,243 INFO  L376      AbstractCegarLoop]: Interprodecural is true
[2021-03-11 22:28:54,243 INFO  L377      AbstractCegarLoop]: Hoare is false
[2021-03-11 22:28:54,243 INFO  L378      AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-03-11 22:28:54,243 INFO  L379      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-03-11 22:28:54,243 INFO  L380      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-03-11 22:28:54,244 INFO  L381      AbstractCegarLoop]: Difference is false
[2021-03-11 22:28:54,244 INFO  L382      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-03-11 22:28:54,244 INFO  L386      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-03-11 22:28:54,252 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 29 places, 26 transitions, 74 flow
[2021-03-11 22:28:54,270 INFO  L129       PetriNetUnfolder]: 3/24 cut-off events.
[2021-03-11 22:28:54,270 INFO  L130       PetriNetUnfolder]: For 4/4 co-relation queries the response was YES.
[2021-03-11 22:28:54,273 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 35 conditions, 24 events. 3/24 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 39 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 19. Up to 3 conditions per place. 
[2021-03-11 22:28:54,273 INFO  L82        GeneralOperation]: Start removeDead. Operand has 29 places, 26 transitions, 74 flow
[2021-03-11 22:28:54,276 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 25 places, 22 transitions, 62 flow
[2021-03-11 22:28:54,278 INFO  L118   etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2021-03-11 22:28:54,287 INFO  L133   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 25 places, 22 transitions, 62 flow
[2021-03-11 22:28:54,290 INFO  L110        LiptonReduction]: Starting Lipton reduction on Petri net that has 25 places, 22 transitions, 62 flow
[2021-03-11 22:28:54,291 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 25 places, 22 transitions, 62 flow
[2021-03-11 22:28:54,300 INFO  L129       PetriNetUnfolder]: 3/22 cut-off events.
[2021-03-11 22:28:54,300 INFO  L130       PetriNetUnfolder]: For 4/4 co-relation queries the response was YES.
[2021-03-11 22:28:54,301 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 33 conditions, 22 events. 3/22 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 38 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 19. Up to 3 conditions per place. 
[2021-03-11 22:28:54,303 INFO  L116        LiptonReduction]: Number of co-enabled transitions 140
[2021-03-11 22:28:54,487 INFO  L131        LiptonReduction]: Checked pairs total: 112
[2021-03-11 22:28:54,487 INFO  L133        LiptonReduction]: Total number of compositions: 6
[2021-03-11 22:28:54,488 INFO  L182   CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 212
[2021-03-11 22:28:54,504 INFO  L129       PetriNetUnfolder]: 3/15 cut-off events.
[2021-03-11 22:28:54,504 INFO  L130       PetriNetUnfolder]: For 4/4 co-relation queries the response was YES.
[2021-03-11 22:28:54,504 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 22:28:54,504 INFO  L255   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 22:28:54,504 INFO  L428      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-03-11 22:28:54,508 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 22:28:54,509 INFO  L82        PathProgramCache]: Analyzing trace with hash 685874838, now seen corresponding path program 1 times
[2021-03-11 22:28:54,517 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 22:28:54,517 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185177435]
[2021-03-11 22:28:54,517 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 22:28:54,568 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 22:28:54,592 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,593 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,594 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,594 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:54,601 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,601 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,602 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-03-11 22:28:54,603 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185177435]
[2021-03-11 22:28:54,603 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-11 22:28:54,603 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-03-11 22:28:54,603 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477185094]
[2021-03-11 22:28:54,608 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-03-11 22:28:54,608 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 22:28:54,615 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-03-11 22:28:54,616 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-03-11 22:28:54,617 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 24 out of 32
[2021-03-11 22:28:54,618 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 16 transitions, 50 flow. Second operand  has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:54,618 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 22:28:54,618 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 32
[2021-03-11 22:28:54,620 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 22:28:54,644 INFO  L129       PetriNetUnfolder]: 3/18 cut-off events.
[2021-03-11 22:28:54,644 INFO  L130       PetriNetUnfolder]: For 5/5 co-relation queries the response was YES.
[2021-03-11 22:28:54,645 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 37 conditions, 18 events. 3/18 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 14 event pairs, 0 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 22. Up to 6 conditions per place. 
[2021-03-11 22:28:54,645 INFO  L132   encePairwiseOnDemand]: 29/32 looper letters, 5 selfloop transitions, 2 changer transitions 0/18 dead transitions.
[2021-03-11 22:28:54,646 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 18 transitions, 68 flow
[2021-03-11 22:28:54,646 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-03-11 22:28:54,647 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2021-03-11 22:28:54,652 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 80 transitions.
[2021-03-11 22:28:54,660 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.8333333333333334
[2021-03-11 22:28:54,660 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 80 transitions.
[2021-03-11 22:28:54,660 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 80 transitions.
[2021-03-11 22:28:54,661 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 22:28:54,662 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 80 transitions.
[2021-03-11 22:28:54,665 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:54,667 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:54,667 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:54,668 INFO  L185             Difference]: Start difference. First operand has 19 places, 16 transitions, 50 flow. Second operand 3 states and 80 transitions.
[2021-03-11 22:28:54,669 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 18 transitions, 68 flow
[2021-03-11 22:28:54,671 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 18 transitions, 56 flow, removed 0 selfloop flow, removed 4 redundant places.
[2021-03-11 22:28:54,673 INFO  L241             Difference]: Finished difference. Result has 18 places, 17 transitions, 50 flow
[2021-03-11 22:28:54,674 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=50, PETRI_PLACES=18, PETRI_TRANSITIONS=17}
[2021-03-11 22:28:54,675 INFO  L335   CegarLoopForPetriNet]: 19 programPoint places, -1 predicate places.
[2021-03-11 22:28:54,675 INFO  L480      AbstractCegarLoop]: Abstraction has has 18 places, 17 transitions, 50 flow
[2021-03-11 22:28:54,676 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:54,676 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 22:28:54,676 INFO  L255   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 22:28:54,677 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-03-11 22:28:54,677 INFO  L428      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-03-11 22:28:54,677 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 22:28:54,677 INFO  L82        PathProgramCache]: Analyzing trace with hash -1558765421, now seen corresponding path program 1 times
[2021-03-11 22:28:54,678 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 22:28:54,678 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401242170]
[2021-03-11 22:28:54,678 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 22:28:54,689 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 22:28:54,696 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,696 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,697 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,698 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:54,715 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,716 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,716 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-03-11 22:28:54,716 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401242170]
[2021-03-11 22:28:54,716 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-11 22:28:54,716 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-03-11 22:28:54,716 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088045332]
[2021-03-11 22:28:54,717 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-03-11 22:28:54,717 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 22:28:54,718 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-03-11 22:28:54,718 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-03-11 22:28:54,718 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 24 out of 32
[2021-03-11 22:28:54,718 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 17 transitions, 50 flow. Second operand  has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:54,718 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 22:28:54,718 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 32
[2021-03-11 22:28:54,718 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 22:28:54,742 INFO  L129       PetriNetUnfolder]: 3/20 cut-off events.
[2021-03-11 22:28:54,742 INFO  L130       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2021-03-11 22:28:54,743 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 38 conditions, 20 events. 3/20 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 21 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 23. Up to 6 conditions per place. 
[2021-03-11 22:28:54,743 INFO  L132   encePairwiseOnDemand]: 29/32 looper letters, 5 selfloop transitions, 2 changer transitions 0/19 dead transitions.
[2021-03-11 22:28:54,743 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 19 transitions, 68 flow
[2021-03-11 22:28:54,743 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-03-11 22:28:54,743 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2021-03-11 22:28:54,744 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 80 transitions.
[2021-03-11 22:28:54,744 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.8333333333333334
[2021-03-11 22:28:54,744 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 80 transitions.
[2021-03-11 22:28:54,744 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 80 transitions.
[2021-03-11 22:28:54,744 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 22:28:54,744 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 80 transitions.
[2021-03-11 22:28:54,745 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:54,745 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:54,745 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:54,746 INFO  L185             Difference]: Start difference. First operand has 18 places, 17 transitions, 50 flow. Second operand 3 states and 80 transitions.
[2021-03-11 22:28:54,746 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 19 transitions, 68 flow
[2021-03-11 22:28:54,746 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 19 transitions, 66 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-03-11 22:28:54,747 INFO  L241             Difference]: Finished difference. Result has 20 places, 18 transitions, 60 flow
[2021-03-11 22:28:54,747 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=60, PETRI_PLACES=20, PETRI_TRANSITIONS=18}
[2021-03-11 22:28:54,747 INFO  L335   CegarLoopForPetriNet]: 19 programPoint places, 1 predicate places.
[2021-03-11 22:28:54,747 INFO  L480      AbstractCegarLoop]: Abstraction has has 20 places, 18 transitions, 60 flow
[2021-03-11 22:28:54,747 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:54,747 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 22:28:54,747 INFO  L255   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 22:28:54,747 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-03-11 22:28:54,748 INFO  L428      AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-03-11 22:28:54,748 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 22:28:54,748 INFO  L82        PathProgramCache]: Analyzing trace with hash 723029178, now seen corresponding path program 1 times
[2021-03-11 22:28:54,748 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 22:28:54,748 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913152731]
[2021-03-11 22:28:54,748 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 22:28:54,757 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 22:28:54,763 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,764 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,765 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,766 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:54,769 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,769 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:54,772 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,773 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,773 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-03-11 22:28:54,773 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913152731]
[2021-03-11 22:28:54,774 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34790814]
[2021-03-11 22:28:54,774 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
[2021-03-11 22:28:54,793 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 22:28:54,799 INFO  L263         TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjunts are in the unsatisfiable core
[2021-03-11 22:28:54,802 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-03-11 22:28:54,805 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,806 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,806 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,806 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,807 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,807 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,808 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,809 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,809 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,809 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,810 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,810 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,810 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,811 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,811 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,811 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,812 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,812 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,812 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,813 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,813 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,813 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,814 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,814 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,815 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,815 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:54,815 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,816 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:54,816 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,816 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:54,817 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,817 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:54,818 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,821 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:54,822 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,822 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:54,822 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,823 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:54,823 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,824 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:54,829 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,837 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:54,838 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,839 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:54,840 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-03-11 22:28:54,843 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,844 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:54,845 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,846 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:54,846 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-03-11 22:28:54,847 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,853 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:54,856 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,857 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:54,859 INFO  L142       QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size
[2021-03-11 22:28:54,859 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,859 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,860 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,860 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,860 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,861 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,861 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,862 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,863 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,864 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,864 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,864 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,865 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,865 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,866 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,870 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,871 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,871 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,872 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,872 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,872 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,873 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,873 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,873 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,873 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,874 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,874 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,875 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,875 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,877 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,877 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,877 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,878 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,878 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,878 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,878 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,879 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,879 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,879 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,880 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,880 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,880 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:54,880 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:54,881 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-03-11 22:28:54,881 INFO  L219   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-03-11 22:28:54,881 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4
[2021-03-11 22:28:54,881 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433488653]
[2021-03-11 22:28:54,881 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-03-11 22:28:54,882 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 22:28:54,882 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-03-11 22:28:54,882 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-03-11 22:28:54,883 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 24 out of 32
[2021-03-11 22:28:54,885 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 18 transitions, 60 flow. Second operand  has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:54,885 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 22:28:54,885 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 32
[2021-03-11 22:28:54,886 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 22:28:54,906 INFO  L129       PetriNetUnfolder]: 3/22 cut-off events.
[2021-03-11 22:28:54,906 INFO  L130       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2021-03-11 22:28:54,907 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 48 conditions, 22 events. 3/22 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 18 event pairs, 0 based on Foata normal form. 1/23 useless extension candidates. Maximal degree in co-relation 34. Up to 6 conditions per place. 
[2021-03-11 22:28:54,908 INFO  L132   encePairwiseOnDemand]: 29/32 looper letters, 6 selfloop transitions, 3 changer transitions 0/21 dead transitions.
[2021-03-11 22:28:54,908 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 21 transitions, 86 flow
[2021-03-11 22:28:54,909 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-03-11 22:28:54,909 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-03-11 22:28:54,913 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 106 transitions.
[2021-03-11 22:28:54,914 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.828125
[2021-03-11 22:28:54,915 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 106 transitions.
[2021-03-11 22:28:54,915 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 106 transitions.
[2021-03-11 22:28:54,915 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 22:28:54,915 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 106 transitions.
[2021-03-11 22:28:54,915 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 5 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:54,916 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:54,916 INFO  L81            ComplementDD]: Finished complementDD. Result  has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:54,916 INFO  L185             Difference]: Start difference. First operand has 20 places, 18 transitions, 60 flow. Second operand 4 states and 106 transitions.
[2021-03-11 22:28:54,916 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 21 transitions, 86 flow
[2021-03-11 22:28:54,917 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 21 transitions, 84 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-03-11 22:28:54,917 INFO  L241             Difference]: Finished difference. Result has 23 places, 19 transitions, 74 flow
[2021-03-11 22:28:54,917 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=74, PETRI_PLACES=23, PETRI_TRANSITIONS=19}
[2021-03-11 22:28:54,918 INFO  L335   CegarLoopForPetriNet]: 19 programPoint places, 4 predicate places.
[2021-03-11 22:28:54,918 INFO  L480      AbstractCegarLoop]: Abstraction has has 23 places, 19 transitions, 74 flow
[2021-03-11 22:28:54,918 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:54,918 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 22:28:54,918 INFO  L255   CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 22:28:55,131 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2021-03-11 22:28:55,131 INFO  L428      AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-03-11 22:28:55,132 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 22:28:55,132 INFO  L82        PathProgramCache]: Analyzing trace with hash 1360311579, now seen corresponding path program 2 times
[2021-03-11 22:28:55,132 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 22:28:55,132 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855223768]
[2021-03-11 22:28:55,132 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 22:28:55,147 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 22:28:55,155 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,156 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,157 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,157 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,160 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,160 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,163 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,165 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,165 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2021-03-11 22:28:55,166 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855223768]
[2021-03-11 22:28:55,166 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935207048]
[2021-03-11 22:28:55,166 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 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
[2021-03-11 22:28:55,194 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-03-11 22:28:55,194 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-03-11 22:28:55,195 INFO  L263         TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-03-11 22:28:55,196 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-03-11 22:28:55,196 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,197 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,197 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,198 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,198 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,199 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,199 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,200 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,200 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,200 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,201 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,201 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,201 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,202 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,202 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,202 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,203 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,203 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,204 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,204 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,204 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,204 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,205 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,205 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,206 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,206 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,209 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,210 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,210 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,210 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,211 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,212 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,215 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,215 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,215 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,216 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,217 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,217 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,217 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,218 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,219 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,221 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:55,222 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,223 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:55,223 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-03-11 22:28:55,224 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,226 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:55,227 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,227 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:55,227 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-03-11 22:28:55,228 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,230 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,230 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,230 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,235 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,235 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,235 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,236 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,236 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,236 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,236 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,237 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,237 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,239 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:55,240 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,240 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:55,242 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-03-11 22:28:55,242 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,247 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:55,247 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,249 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:55,251 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-03-11 22:28:55,251 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,254 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,254 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,254 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,259 INFO  L142       QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size
[2021-03-11 22:28:55,259 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,259 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,260 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,260 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,260 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,261 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,261 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,261 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,261 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,262 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,262 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,262 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,263 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,263 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,263 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,264 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,264 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,264 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,265 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,265 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,265 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,266 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,266 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,266 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,266 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,270 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,270 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,271 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,271 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,271 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,271 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,272 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,272 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,272 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,273 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,273 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,274 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,274 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,274 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,274 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,275 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,275 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,275 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,275 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-03-11 22:28:55,276 INFO  L219   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-03-11 22:28:55,276 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 7
[2021-03-11 22:28:55,276 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323723978]
[2021-03-11 22:28:55,276 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-03-11 22:28:55,276 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 22:28:55,277 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-03-11 22:28:55,277 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2021-03-11 22:28:55,277 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 16 out of 32
[2021-03-11 22:28:55,277 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 19 transitions, 74 flow. Second operand  has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 7 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)
[2021-03-11 22:28:55,277 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 22:28:55,278 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 32
[2021-03-11 22:28:55,278 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 22:28:55,420 INFO  L129       PetriNetUnfolder]: 82/171 cut-off events.
[2021-03-11 22:28:55,420 INFO  L130       PetriNetUnfolder]: For 123/123 co-relation queries the response was YES.
[2021-03-11 22:28:55,420 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 485 conditions, 171 events. 82/171 cut-off events. For 123/123 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 488 event pairs, 9 based on Foata normal form. 18/189 useless extension candidates. Maximal degree in co-relation 262. Up to 41 conditions per place. 
[2021-03-11 22:28:55,421 INFO  L132   encePairwiseOnDemand]: 25/32 looper letters, 36 selfloop transitions, 27 changer transitions 0/69 dead transitions.
[2021-03-11 22:28:55,421 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 69 transitions, 378 flow
[2021-03-11 22:28:55,422 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2021-03-11 22:28:55,422 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 13 states.
[2021-03-11 22:28:55,423 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 278 transitions.
[2021-03-11 22:28:55,423 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.6682692307692307
[2021-03-11 22:28:55,423 INFO  L72            ComplementDD]: Start complementDD. Operand 13 states and 278 transitions.
[2021-03-11 22:28:55,423 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 13 states and 278 transitions.
[2021-03-11 22:28:55,423 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 22:28:55,423 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 278 transitions.
[2021-03-11 22:28:55,424 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 14 states, 13 states have (on average 21.384615384615383) internal successors, (278), 13 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:55,425 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 14 states, 14 states have (on average 32.0) internal successors, (448), 14 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:55,425 INFO  L81            ComplementDD]: Finished complementDD. Result  has 14 states, 14 states have (on average 32.0) internal successors, (448), 14 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:55,425 INFO  L185             Difference]: Start difference. First operand has 23 places, 19 transitions, 74 flow. Second operand 13 states and 278 transitions.
[2021-03-11 22:28:55,425 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 69 transitions, 378 flow
[2021-03-11 22:28:55,427 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 69 transitions, 360 flow, removed 3 selfloop flow, removed 2 redundant places.
[2021-03-11 22:28:55,428 INFO  L241             Difference]: Finished difference. Result has 41 places, 40 transitions, 274 flow
[2021-03-11 22:28:55,428 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=274, PETRI_PLACES=41, PETRI_TRANSITIONS=40}
[2021-03-11 22:28:55,428 INFO  L335   CegarLoopForPetriNet]: 19 programPoint places, 22 predicate places.
[2021-03-11 22:28:55,428 INFO  L480      AbstractCegarLoop]: Abstraction has has 41 places, 40 transitions, 274 flow
[2021-03-11 22:28:55,428 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 7 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)
[2021-03-11 22:28:55,428 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 22:28:55,428 INFO  L255   CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 22:28:55,635 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-03-11 22:28:55,635 INFO  L428      AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-03-11 22:28:55,636 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 22:28:55,636 INFO  L82        PathProgramCache]: Analyzing trace with hash -1247781521, now seen corresponding path program 3 times
[2021-03-11 22:28:55,636 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 22:28:55,636 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389836178]
[2021-03-11 22:28:55,636 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 22:28:55,644 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 22:28:55,655 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,656 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,656 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,656 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,658 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,658 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,661 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,661 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,664 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,664 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,665 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2021-03-11 22:28:55,665 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389836178]
[2021-03-11 22:28:55,665 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590538602]
[2021-03-11 22:28:55,665 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-03-11 22:28:55,690 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2021-03-11 22:28:55,690 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-03-11 22:28:55,691 INFO  L263         TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-03-11 22:28:55,692 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-03-11 22:28:55,692 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,692 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,693 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,693 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,693 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,696 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,698 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,698 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,698 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,699 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,699 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,700 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,700 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,700 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,700 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,700 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,701 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,701 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,701 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,703 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,703 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,707 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,707 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,708 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,708 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,711 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,711 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,712 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,712 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,712 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,712 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,712 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,713 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,714 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:55,714 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,715 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:55,716 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-03-11 22:28:55,717 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,718 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:55,720 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,721 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:55,722 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-03-11 22:28:55,722 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,729 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,729 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,730 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,731 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,731 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,731 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,731 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,732 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,732 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,732 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,732 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,733 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,733 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:55,734 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,735 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:55,735 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-03-11 22:28:55,735 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,736 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:55,737 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,737 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:55,737 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-03-11 22:28:55,738 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,739 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,739 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,744 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,744 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,744 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,745 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,745 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,745 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,745 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,746 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,746 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,746 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,746 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,746 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,747 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,748 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,749 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,749 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,749 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,749 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,750 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,750 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,750 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,751 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,757 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,757 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,757 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,757 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,758 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,758 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,759 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,759 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,759 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,760 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,760 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,760 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,760 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,761 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,761 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,761 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,762 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,764 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,764 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,765 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,765 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,765 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,765 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,765 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,766 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,766 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,766 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,766 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,766 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,767 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,767 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,767 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,767 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,768 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,768 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,768 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,768 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,768 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,769 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,769 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,769 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,769 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,769 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:55,772 INFO  L142       QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size
[2021-03-11 22:28:55,772 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,772 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,773 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,773 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,777 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,778 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,778 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,778 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,778 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,778 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,779 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,779 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,779 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,779 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,779 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,780 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,780 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,780 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,780 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,781 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,781 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,781 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,781 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,781 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:55,781 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:55,782 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2021-03-11 22:28:55,782 INFO  L219   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-03-11 22:28:55,782 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5
[2021-03-11 22:28:55,782 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558459694]
[2021-03-11 22:28:55,783 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-03-11 22:28:55,783 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 22:28:55,783 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-03-11 22:28:55,783 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2021-03-11 22:28:55,783 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 24 out of 32
[2021-03-11 22:28:55,784 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 40 transitions, 274 flow. Second operand  has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:55,784 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 22:28:55,784 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 32
[2021-03-11 22:28:55,784 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 22:28:55,813 INFO  L129       PetriNetUnfolder]: 30/96 cut-off events.
[2021-03-11 22:28:55,814 INFO  L130       PetriNetUnfolder]: For 430/451 co-relation queries the response was YES.
[2021-03-11 22:28:55,815 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 394 conditions, 96 events. 30/96 cut-off events. For 430/451 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 264 event pairs, 9 based on Foata normal form. 13/108 useless extension candidates. Maximal degree in co-relation 364. Up to 37 conditions per place. 
[2021-03-11 22:28:55,816 INFO  L132   encePairwiseOnDemand]: 28/32 looper letters, 5 selfloop transitions, 14 changer transitions 0/43 dead transitions.
[2021-03-11 22:28:55,816 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 43 transitions, 318 flow
[2021-03-11 22:28:55,816 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-03-11 22:28:55,817 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-03-11 22:28:55,817 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 131 transitions.
[2021-03-11 22:28:55,817 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.81875
[2021-03-11 22:28:55,817 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 131 transitions.
[2021-03-11 22:28:55,817 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 131 transitions.
[2021-03-11 22:28:55,817 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 22:28:55,817 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 131 transitions.
[2021-03-11 22:28:55,818 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:55,819 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:55,819 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:55,819 INFO  L185             Difference]: Start difference. First operand has 41 places, 40 transitions, 274 flow. Second operand 5 states and 131 transitions.
[2021-03-11 22:28:55,819 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 43 transitions, 318 flow
[2021-03-11 22:28:55,825 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 43 transitions, 278 flow, removed 10 selfloop flow, removed 3 redundant places.
[2021-03-11 22:28:55,826 INFO  L241             Difference]: Finished difference. Result has 44 places, 41 transitions, 280 flow
[2021-03-11 22:28:55,826 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=280, PETRI_PLACES=44, PETRI_TRANSITIONS=41}
[2021-03-11 22:28:55,827 INFO  L335   CegarLoopForPetriNet]: 19 programPoint places, 25 predicate places.
[2021-03-11 22:28:55,827 INFO  L480      AbstractCegarLoop]: Abstraction has has 44 places, 41 transitions, 280 flow
[2021-03-11 22:28:55,827 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:55,827 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 22:28:55,827 INFO  L255   CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 22:28:56,031 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-03-11 22:28:56,032 INFO  L428      AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-03-11 22:28:56,032 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 22:28:56,032 INFO  L82        PathProgramCache]: Analyzing trace with hash 2129215812, now seen corresponding path program 4 times
[2021-03-11 22:28:56,032 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 22:28:56,032 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671833895]
[2021-03-11 22:28:56,032 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 22:28:56,046 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 22:28:56,061 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,061 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,063 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,063 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,066 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,066 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,069 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,069 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,073 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,073 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,077 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,077 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,082 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,082 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,087 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,087 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,092 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,093 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,099 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,099 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,105 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,105 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,113 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,113 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,120 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,120 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,129 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-03-11 22:28:56,129 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671833895]
[2021-03-11 22:28:56,129 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-11 22:28:56,129 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13
[2021-03-11 22:28:56,129 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600235531]
[2021-03-11 22:28:56,130 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 15 states
[2021-03-11 22:28:56,130 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 22:28:56,130 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2021-03-11 22:28:56,130 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210
[2021-03-11 22:28:56,131 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 19 out of 32
[2021-03-11 22:28:56,131 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 41 transitions, 280 flow. Second operand  has 15 states, 15 states have (on average 20.066666666666666) internal successors, (301), 15 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:56,131 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 22:28:56,131 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 32
[2021-03-11 22:28:56,131 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 22:28:56,402 INFO  L129       PetriNetUnfolder]: 205/498 cut-off events.
[2021-03-11 22:28:56,402 INFO  L130       PetriNetUnfolder]: For 1923/1956 co-relation queries the response was YES.
[2021-03-11 22:28:56,404 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 2185 conditions, 498 events. 205/498 cut-off events. For 1923/1956 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2476 event pairs, 36 based on Foata normal form. 13/497 useless extension candidates. Maximal degree in co-relation 1571. Up to 141 conditions per place. 
[2021-03-11 22:28:56,407 INFO  L132   encePairwiseOnDemand]: 26/32 looper letters, 52 selfloop transitions, 42 changer transitions 52/159 dead transitions.
[2021-03-11 22:28:56,407 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 159 transitions, 1467 flow
[2021-03-11 22:28:56,407 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-03-11 22:28:56,407 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 20 states.
[2021-03-11 22:28:56,408 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 459 transitions.
[2021-03-11 22:28:56,409 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.7171875
[2021-03-11 22:28:56,409 INFO  L72            ComplementDD]: Start complementDD. Operand 20 states and 459 transitions.
[2021-03-11 22:28:56,409 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 20 states and 459 transitions.
[2021-03-11 22:28:56,409 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 22:28:56,409 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 459 transitions.
[2021-03-11 22:28:56,410 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 21 states, 20 states have (on average 22.95) internal successors, (459), 20 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:56,411 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 21 states, 21 states have (on average 32.0) internal successors, (672), 21 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:56,411 INFO  L81            ComplementDD]: Finished complementDD. Result  has 21 states, 21 states have (on average 32.0) internal successors, (672), 21 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:56,411 INFO  L185             Difference]: Start difference. First operand has 44 places, 41 transitions, 280 flow. Second operand 20 states and 459 transitions.
[2021-03-11 22:28:56,412 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 159 transitions, 1467 flow
[2021-03-11 22:28:56,416 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 159 transitions, 1329 flow, removed 45 selfloop flow, removed 2 redundant places.
[2021-03-11 22:28:56,419 INFO  L241             Difference]: Finished difference. Result has 76 places, 79 transitions, 791 flow
[2021-03-11 22:28:56,420 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=258, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=791, PETRI_PLACES=76, PETRI_TRANSITIONS=79}
[2021-03-11 22:28:56,420 INFO  L335   CegarLoopForPetriNet]: 19 programPoint places, 57 predicate places.
[2021-03-11 22:28:56,420 INFO  L480      AbstractCegarLoop]: Abstraction has has 76 places, 79 transitions, 791 flow
[2021-03-11 22:28:56,420 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 15 states, 15 states have (on average 20.066666666666666) internal successors, (301), 15 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:56,420 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 22:28:56,420 INFO  L255   CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 22:28:56,420 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-03-11 22:28:56,420 INFO  L428      AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-03-11 22:28:56,421 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 22:28:56,421 INFO  L82        PathProgramCache]: Analyzing trace with hash 2086151178, now seen corresponding path program 5 times
[2021-03-11 22:28:56,421 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 22:28:56,421 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201713534]
[2021-03-11 22:28:56,421 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 22:28:56,442 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 22:28:56,453 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,453 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,455 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,455 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,458 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,458 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,461 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,461 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,465 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,465 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,469 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,470 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,474 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,474 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,480 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,481 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,486 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,486 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,500 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,500 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,507 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,507 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,515 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-03-11 22:28:56,515 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201713534]
[2021-03-11 22:28:56,515 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731363132]
[2021-03-11 22:28:56,515 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-03-11 22:28:56,541 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s)
[2021-03-11 22:28:56,541 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-03-11 22:28:56,542 INFO  L263         TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 12 conjunts are in the unsatisfiable core
[2021-03-11 22:28:56,543 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-03-11 22:28:56,543 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,544 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,544 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,544 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,544 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,544 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,545 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,545 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,545 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,545 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,545 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,546 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,546 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,546 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,546 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,546 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,547 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,547 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,547 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,548 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,548 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,548 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,548 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,549 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,549 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,550 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 22:28:56,550 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,551 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:56,551 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,552 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 22:28:56,552 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-03-11 22:28:56,552 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,553 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,554 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,556 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,556 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,557 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,558 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,558 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,558 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,558 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,558 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,559 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,559 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,559 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:56,560 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,560 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:56,561 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,561 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:56,562 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-03-11 22:28:56,562 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,563 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,563 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,563 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,564 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,565 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 22:28:56,565 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,567 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:56,567 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,567 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 22:28:56,568 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-03-11 22:28:56,569 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,570 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,570 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,571 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,571 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,571 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:56,572 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,572 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:56,573 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,573 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:56,579 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-03-11 22:28:56,579 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,580 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,581 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,581 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,581 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,581 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,581 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,581 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,582 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,582 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,582 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,582 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,583 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,583 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 22:28:56,583 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,584 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:56,585 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,585 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 22:28:56,585 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-03-11 22:28:56,586 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,586 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,586 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,587 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,587 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,587 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,587 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,587 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,588 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,588 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,588 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,588 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,588 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,589 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,589 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,589 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,589 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,589 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,590 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,590 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,590 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,591 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:56,592 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,592 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:56,593 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,593 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:56,594 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-03-11 22:28:56,595 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,595 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,595 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,596 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,596 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,596 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 22:28:56,596 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,597 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:56,598 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,598 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 22:28:56,599 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-03-11 22:28:56,599 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,600 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,601 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,601 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,601 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,601 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:56,602 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,602 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:56,603 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,603 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:56,603 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-03-11 22:28:56,603 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,605 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,605 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,605 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,605 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,606 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 22:28:56,606 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,608 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:56,608 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,609 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 22:28:56,609 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-03-11 22:28:56,609 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,610 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,610 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,610 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,611 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,611 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:56,611 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,612 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:56,612 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,613 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:56,613 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-03-11 22:28:56,613 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,614 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,614 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,614 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,614 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,615 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,615 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,615 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,615 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,615 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,616 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,616 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,616 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,616 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,616 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,617 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,617 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,617 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,617 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,617 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,618 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,618 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,618 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,618 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,618 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,619 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,619 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,619 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,619 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,619 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,620 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,620 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,620 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,620 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,620 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:56,620 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:56,621 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-03-11 22:28:56,621 INFO  L219   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-03-11 22:28:56,621 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11
[2021-03-11 22:28:56,621 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281240502]
[2021-03-11 22:28:56,621 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 13 states
[2021-03-11 22:28:56,623 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 22:28:56,623 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2021-03-11 22:28:56,624 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156
[2021-03-11 22:28:56,624 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 19 out of 32
[2021-03-11 22:28:56,625 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 79 transitions, 791 flow. Second operand  has 13 states, 13 states have (on average 20.23076923076923) internal successors, (263), 13 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:56,625 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 22:28:56,625 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 32
[2021-03-11 22:28:56,625 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 22:28:56,886 INFO  L129       PetriNetUnfolder]: 331/817 cut-off events.
[2021-03-11 22:28:56,886 INFO  L130       PetriNetUnfolder]: For 6646/6674 co-relation queries the response was YES.
[2021-03-11 22:28:56,889 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 5003 conditions, 817 events. 331/817 cut-off events. For 6646/6674 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 5049 event pairs, 36 based on Foata normal form. 15/817 useless extension candidates. Maximal degree in co-relation 4750. Up to 267 conditions per place. 
[2021-03-11 22:28:56,892 INFO  L132   encePairwiseOnDemand]: 26/32 looper letters, 94 selfloop transitions, 38 changer transitions 70/215 dead transitions.
[2021-03-11 22:28:56,892 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 215 transitions, 2767 flow
[2021-03-11 22:28:56,892 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2021-03-11 22:28:56,892 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 17 states.
[2021-03-11 22:28:56,893 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 395 transitions.
[2021-03-11 22:28:56,893 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.7261029411764706
[2021-03-11 22:28:56,893 INFO  L72            ComplementDD]: Start complementDD. Operand 17 states and 395 transitions.
[2021-03-11 22:28:56,893 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 17 states and 395 transitions.
[2021-03-11 22:28:56,893 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 22:28:56,893 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 395 transitions.
[2021-03-11 22:28:56,894 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 18 states, 17 states have (on average 23.235294117647058) internal successors, (395), 17 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:56,895 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 18 states, 18 states have (on average 32.0) internal successors, (576), 18 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:56,895 INFO  L81            ComplementDD]: Finished complementDD. Result  has 18 states, 18 states have (on average 32.0) internal successors, (576), 18 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:56,895 INFO  L185             Difference]: Start difference. First operand has 76 places, 79 transitions, 791 flow. Second operand 17 states and 395 transitions.
[2021-03-11 22:28:56,895 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 215 transitions, 2767 flow
[2021-03-11 22:28:56,910 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 215 transitions, 2431 flow, removed 168 selfloop flow, removed 7 redundant places.
[2021-03-11 22:28:56,913 INFO  L241             Difference]: Finished difference. Result has 90 places, 107 transitions, 1289 flow
[2021-03-11 22:28:56,913 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=727, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1289, PETRI_PLACES=90, PETRI_TRANSITIONS=107}
[2021-03-11 22:28:56,913 INFO  L335   CegarLoopForPetriNet]: 19 programPoint places, 71 predicate places.
[2021-03-11 22:28:56,913 INFO  L480      AbstractCegarLoop]: Abstraction has has 90 places, 107 transitions, 1289 flow
[2021-03-11 22:28:56,913 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 13 states, 13 states have (on average 20.23076923076923) internal successors, (263), 13 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:56,913 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 22:28:56,913 INFO  L255   CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 22:28:57,129 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-03-11 22:28:57,129 INFO  L428      AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-03-11 22:28:57,129 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 22:28:57,129 INFO  L82        PathProgramCache]: Analyzing trace with hash 563194084, now seen corresponding path program 6 times
[2021-03-11 22:28:57,129 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 22:28:57,130 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305753058]
[2021-03-11 22:28:57,130 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 22:28:57,143 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 22:28:57,152 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,152 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,154 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,154 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,157 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,157 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,160 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,160 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,163 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,164 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,168 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2021-03-11 22:28:57,168 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305753058]
[2021-03-11 22:28:57,168 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069696416]
[2021-03-11 22:28:57,168 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 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
[2021-03-11 22:28:57,199 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s)
[2021-03-11 22:28:57,199 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-03-11 22:28:57,199 INFO  L263         TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 6 conjunts are in the unsatisfiable core
[2021-03-11 22:28:57,200 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-03-11 22:28:57,200 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,200 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,201 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,201 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,201 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,201 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,201 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,202 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,202 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,202 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,202 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,202 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,203 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,203 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,203 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,203 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,204 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,204 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,204 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,204 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,204 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,204 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,205 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,205 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,205 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,206 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,206 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,206 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,206 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,206 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,207 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,207 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,207 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,207 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,207 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,208 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,208 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,208 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,208 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,208 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,209 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,209 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 22:28:57,209 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,210 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:57,210 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,211 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 22:28:57,211 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-03-11 22:28:57,211 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,212 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,212 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,212 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,213 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,213 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,213 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,213 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,213 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,214 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,214 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,214 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,214 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,214 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,215 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,215 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,215 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,215 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,215 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,216 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,216 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,216 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,216 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,216 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,217 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,217 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,217 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,217 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,217 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,218 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,218 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,218 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,218 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,218 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,219 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,219 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,219 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,220 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:57,221 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,221 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:57,222 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,222 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:57,223 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-03-11 22:28:57,223 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,224 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,224 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,224 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,225 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,225 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 22:28:57,225 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,227 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:57,227 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,227 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 22:28:57,228 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-03-11 22:28:57,228 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,229 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,229 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,229 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,229 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,230 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,230 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,230 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,230 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,231 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,231 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,231 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,231 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,231 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,232 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,232 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,235 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,235 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,235 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,235 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,235 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,236 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,236 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,236 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,236 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,237 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,237 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,237 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,237 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,237 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,237 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,238 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,242 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,243 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,243 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,243 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,243 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,243 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,244 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,244 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,244 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,244 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,244 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,244 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,245 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,245 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:57,246 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,247 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:57,247 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,247 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:57,248 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-03-11 22:28:57,248 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,249 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,249 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,249 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,249 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,249 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,250 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,250 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,250 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,250 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,250 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,251 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,251 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,251 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,251 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,251 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,252 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,252 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,252 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,252 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,252 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,253 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,253 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,253 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,253 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,253 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,253 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,254 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,254 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2021-03-11 22:28:57,254 INFO  L219   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-03-11 22:28:57,254 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5
[2021-03-11 22:28:57,254 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654717104]
[2021-03-11 22:28:57,254 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-03-11 22:28:57,254 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 22:28:57,255 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-03-11 22:28:57,255 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2021-03-11 22:28:57,256 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 19 out of 32
[2021-03-11 22:28:57,256 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 107 transitions, 1289 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)
[2021-03-11 22:28:57,256 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 22:28:57,256 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 32
[2021-03-11 22:28:57,256 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 22:28:57,370 INFO  L129       PetriNetUnfolder]: 229/617 cut-off events.
[2021-03-11 22:28:57,370 INFO  L130       PetriNetUnfolder]: For 5748/5772 co-relation queries the response was YES.
[2021-03-11 22:28:57,373 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 4166 conditions, 617 events. 229/617 cut-off events. For 5748/5772 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 3698 event pairs, 36 based on Foata normal form. 9/617 useless extension candidates. Maximal degree in co-relation 3492. Up to 185 conditions per place. 
[2021-03-11 22:28:57,375 INFO  L132   encePairwiseOnDemand]: 26/32 looper letters, 87 selfloop transitions, 54 changer transitions 7/161 dead transitions.
[2021-03-11 22:28:57,376 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 161 transitions, 2296 flow
[2021-03-11 22:28:57,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-03-11 22:28:57,376 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2021-03-11 22:28:57,376 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 185 transitions.
[2021-03-11 22:28:57,377 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.72265625
[2021-03-11 22:28:57,377 INFO  L72            ComplementDD]: Start complementDD. Operand 8 states and 185 transitions.
[2021-03-11 22:28:57,377 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 8 states and 185 transitions.
[2021-03-11 22:28:57,377 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 22:28:57,377 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 185 transitions.
[2021-03-11 22:28:57,377 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 9 states, 8 states have (on average 23.125) internal successors, (185), 8 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:57,378 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 9 states, 9 states have (on average 32.0) internal successors, (288), 9 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:57,378 INFO  L81            ComplementDD]: Finished complementDD. Result  has 9 states, 9 states have (on average 32.0) internal successors, (288), 9 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:57,378 INFO  L185             Difference]: Start difference. First operand has 90 places, 107 transitions, 1289 flow. Second operand 8 states and 185 transitions.
[2021-03-11 22:28:57,378 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 161 transitions, 2296 flow
[2021-03-11 22:28:57,395 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 161 transitions, 2118 flow, removed 89 selfloop flow, removed 6 redundant places.
[2021-03-11 22:28:57,398 INFO  L241             Difference]: Finished difference. Result has 87 places, 121 transitions, 1616 flow
[2021-03-11 22:28:57,398 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=1211, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1616, PETRI_PLACES=87, PETRI_TRANSITIONS=121}
[2021-03-11 22:28:57,398 INFO  L335   CegarLoopForPetriNet]: 19 programPoint places, 68 predicate places.
[2021-03-11 22:28:57,398 INFO  L480      AbstractCegarLoop]: Abstraction has has 87 places, 121 transitions, 1616 flow
[2021-03-11 22:28:57,398 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  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)
[2021-03-11 22:28:57,398 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 22:28:57,398 INFO  L255   CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 22:28:57,611 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-03-11 22:28:57,611 INFO  L428      AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-03-11 22:28:57,611 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 22:28:57,611 INFO  L82        PathProgramCache]: Analyzing trace with hash 1311629230, now seen corresponding path program 1 times
[2021-03-11 22:28:57,612 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 22:28:57,612 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567107947]
[2021-03-11 22:28:57,612 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 22:28:57,620 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 22:28:57,633 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,636 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:57,637 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,637 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,638 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,639 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 22:28:57,639 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2021-03-11 22:28:57,639 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567107947]
[2021-03-11 22:28:57,639 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-11 22:28:57,639 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-03-11 22:28:57,639 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726204221]
[2021-03-11 22:28:57,639 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-03-11 22:28:57,639 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 22:28:57,639 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-03-11 22:28:57,639 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-03-11 22:28:57,640 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 29 out of 32
[2021-03-11 22:28:57,640 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 121 transitions, 1616 flow. Second operand  has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:57,640 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 22:28:57,640 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 32
[2021-03-11 22:28:57,640 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 22:28:57,681 INFO  L129       PetriNetUnfolder]: 163/493 cut-off events.
[2021-03-11 22:28:57,681 INFO  L130       PetriNetUnfolder]: For 4192/4246 co-relation queries the response was YES.
[2021-03-11 22:28:57,684 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 3075 conditions, 493 events. 163/493 cut-off events. For 4192/4246 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 3037 event pairs, 26 based on Foata normal form. 33/506 useless extension candidates. Maximal degree in co-relation 3001. Up to 160 conditions per place. 
[2021-03-11 22:28:57,686 INFO  L132   encePairwiseOnDemand]: 30/32 looper letters, 1 selfloop transitions, 1 changer transitions 0/119 dead transitions.
[2021-03-11 22:28:57,686 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 119 transitions, 1614 flow
[2021-03-11 22:28:57,686 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-03-11 22:28:57,686 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2021-03-11 22:28:57,686 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 90 transitions.
[2021-03-11 22:28:57,686 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.9375
[2021-03-11 22:28:57,687 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 90 transitions.
[2021-03-11 22:28:57,687 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 90 transitions.
[2021-03-11 22:28:57,687 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 22:28:57,687 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 90 transitions.
[2021-03-11 22:28:57,687 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:57,687 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:57,687 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:57,687 INFO  L185             Difference]: Start difference. First operand has 87 places, 121 transitions, 1616 flow. Second operand 3 states and 90 transitions.
[2021-03-11 22:28:57,687 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 119 transitions, 1614 flow
[2021-03-11 22:28:57,702 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 119 transitions, 1565 flow, removed 10 selfloop flow, removed 5 redundant places.
[2021-03-11 22:28:57,703 INFO  L241             Difference]: Finished difference. Result has 84 places, 119 transitions, 1563 flow
[2021-03-11 22:28:57,704 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=1561, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1563, PETRI_PLACES=84, PETRI_TRANSITIONS=119}
[2021-03-11 22:28:57,704 INFO  L335   CegarLoopForPetriNet]: 19 programPoint places, 65 predicate places.
[2021-03-11 22:28:57,704 INFO  L480      AbstractCegarLoop]: Abstraction has has 84 places, 119 transitions, 1563 flow
[2021-03-11 22:28:57,704 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:57,704 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 22:28:57,704 INFO  L255   CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 22:28:57,704 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2021-03-11 22:28:57,704 INFO  L428      AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-03-11 22:28:57,704 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 22:28:57,704 INFO  L82        PathProgramCache]: Analyzing trace with hash 1471151362, now seen corresponding path program 7 times
[2021-03-11 22:28:57,705 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 22:28:57,705 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992327382]
[2021-03-11 22:28:57,705 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 22:28:57,709 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 22:28:57,717 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,717 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,719 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,720 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,722 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,723 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,726 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,726 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,730 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,730 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,735 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,735 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,740 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,740 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,747 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-03-11 22:28:57,747 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992327382]
[2021-03-11 22:28:57,747 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114560047]
[2021-03-11 22:28:57,748 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 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
[2021-03-11 22:28:57,778 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 22:28:57,779 INFO  L263         TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core
[2021-03-11 22:28:57,780 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-03-11 22:28:57,781 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,781 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,781 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,782 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,782 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,782 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,782 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,782 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,783 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,783 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,783 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,783 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,784 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,784 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,784 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,784 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,785 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,785 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,785 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,785 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,785 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,786 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,786 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,786 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,786 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,787 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,787 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,787 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,787 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,787 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,788 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,788 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,788 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,788 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,789 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,799 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,800 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,800 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,800 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,800 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,801 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,801 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 22:28:57,802 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,802 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:57,803 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,803 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 22:28:57,803 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-03-11 22:28:57,804 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,805 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,806 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,806 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,806 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,806 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,807 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,807 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,807 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,807 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,808 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,808 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,808 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,809 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,809 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,809 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,809 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,810 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,810 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,810 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,810 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,810 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,811 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,811 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,811 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,811 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,812 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,812 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,812 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,812 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,812 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,813 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,813 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,813 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,814 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,814 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,814 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,815 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:57,815 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,816 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:57,817 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,817 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:57,817 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-03-11 22:28:57,818 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,819 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,819 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,819 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,820 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,820 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 22:28:57,821 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,822 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:57,823 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,823 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 22:28:57,823 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-03-11 22:28:57,824 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,825 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,825 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,825 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,825 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,825 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,826 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,826 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,826 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,826 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,827 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,827 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,827 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,827 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,827 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,828 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,828 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,828 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,828 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,829 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,829 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,829 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:57,830 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,830 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:57,830 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,831 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:57,831 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-03-11 22:28:57,832 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,833 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,833 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,833 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,834 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,834 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,834 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,834 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,834 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,835 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,835 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,835 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,835 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,836 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 22:28:57,836 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,836 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:57,837 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,837 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 22:28:57,837 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-03-11 22:28:57,838 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,839 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,839 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,840 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,840 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,841 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:57,841 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,841 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:57,842 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,842 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:57,843 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-03-11 22:28:57,843 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,844 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,844 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,844 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,844 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,845 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,845 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,845 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,845 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,845 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,846 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,846 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,846 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,846 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,847 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,847 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,847 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,847 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,847 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,848 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,848 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,848 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,848 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,849 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,849 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,849 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,849 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:57,849 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:57,850 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-03-11 22:28:57,850 INFO  L219   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-03-11 22:28:57,850 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7
[2021-03-11 22:28:57,863 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185017872]
[2021-03-11 22:28:57,863 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 9 states
[2021-03-11 22:28:57,863 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 22:28:57,864 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-03-11 22:28:57,864 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2021-03-11 22:28:57,864 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 19 out of 32
[2021-03-11 22:28:57,864 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 119 transitions, 1563 flow. Second operand  has 9 states, 9 states have (on average 20.555555555555557) internal successors, (185), 9 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:57,864 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 22:28:57,864 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 32
[2021-03-11 22:28:57,864 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 22:28:58,016 INFO  L129       PetriNetUnfolder]: 221/583 cut-off events.
[2021-03-11 22:28:58,016 INFO  L130       PetriNetUnfolder]: For 5062/5088 co-relation queries the response was YES.
[2021-03-11 22:28:58,018 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 3997 conditions, 583 events. 221/583 cut-off events. For 5062/5088 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 3367 event pairs, 32 based on Foata normal form. 10/584 useless extension candidates. Maximal degree in co-relation 3214. Up to 185 conditions per place. 
[2021-03-11 22:28:58,020 INFO  L132   encePairwiseOnDemand]: 26/32 looper letters, 46 selfloop transitions, 11 changer transitions 102/168 dead transitions.
[2021-03-11 22:28:58,020 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 168 transitions, 2462 flow
[2021-03-11 22:28:58,021 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-03-11 22:28:58,021 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 10 states.
[2021-03-11 22:28:58,021 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 230 transitions.
[2021-03-11 22:28:58,021 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.71875
[2021-03-11 22:28:58,021 INFO  L72            ComplementDD]: Start complementDD. Operand 10 states and 230 transitions.
[2021-03-11 22:28:58,021 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 10 states and 230 transitions.
[2021-03-11 22:28:58,022 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 22:28:58,022 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 230 transitions.
[2021-03-11 22:28:58,022 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 11 states, 10 states have (on average 23.0) internal successors, (230), 10 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:58,023 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 11 states, 11 states have (on average 32.0) internal successors, (352), 11 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:58,023 INFO  L81            ComplementDD]: Finished complementDD. Result  has 11 states, 11 states have (on average 32.0) internal successors, (352), 11 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:58,023 INFO  L185             Difference]: Start difference. First operand has 84 places, 119 transitions, 1563 flow. Second operand 10 states and 230 transitions.
[2021-03-11 22:28:58,023 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 168 transitions, 2462 flow
[2021-03-11 22:28:58,039 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 168 transitions, 2460 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-03-11 22:28:58,041 INFO  L241             Difference]: Finished difference. Result has 93 places, 63 transitions, 730 flow
[2021-03-11 22:28:58,041 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=1562, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=730, PETRI_PLACES=93, PETRI_TRANSITIONS=63}
[2021-03-11 22:28:58,042 INFO  L335   CegarLoopForPetriNet]: 19 programPoint places, 74 predicate places.
[2021-03-11 22:28:58,042 INFO  L480      AbstractCegarLoop]: Abstraction has has 93 places, 63 transitions, 730 flow
[2021-03-11 22:28:58,042 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 9 states, 9 states have (on average 20.555555555555557) internal successors, (185), 9 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:58,042 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 22:28:58,042 INFO  L255   CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 22:28:58,257 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-03-11 22:28:58,257 INFO  L428      AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-03-11 22:28:58,257 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 22:28:58,257 INFO  L82        PathProgramCache]: Analyzing trace with hash 1311774310, now seen corresponding path program 8 times
[2021-03-11 22:28:58,257 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 22:28:58,257 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364661351]
[2021-03-11 22:28:58,257 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 22:28:58,273 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 22:28:58,289 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,289 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,291 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,291 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,295 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,295 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,301 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,301 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,304 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,304 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,309 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2021-03-11 22:28:58,309 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364661351]
[2021-03-11 22:28:58,309 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21583650]
[2021-03-11 22:28:58,309 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-03-11 22:28:58,337 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-03-11 22:28:58,337 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-03-11 22:28:58,337 INFO  L263         TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 6 conjunts are in the unsatisfiable core
[2021-03-11 22:28:58,342 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-03-11 22:28:58,344 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,344 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,345 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,345 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,345 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,345 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,345 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,346 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,346 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,346 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,346 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,346 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,346 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,347 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,347 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,347 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,347 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,347 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,348 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,348 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,348 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,348 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,348 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,349 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,349 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,349 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 22:28:58,352 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,353 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:58,354 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,355 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 22:28:58,355 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-03-11 22:28:58,356 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,356 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,356 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,357 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,357 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,357 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,357 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,358 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,359 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,359 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,359 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,359 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,360 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,360 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,360 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,360 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,360 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,361 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,361 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,361 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,361 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,361 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,362 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,362 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,362 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,362 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,362 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,363 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,363 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,363 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,363 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,363 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,363 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,364 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,364 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,364 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,364 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,364 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,365 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,365 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,365 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,365 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,365 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,366 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,366 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,366 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,366 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,366 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,367 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,367 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,367 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,367 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,367 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,368 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:58,368 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,368 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:58,369 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,369 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:58,369 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-03-11 22:28:58,370 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,371 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,371 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,371 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,371 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,372 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 22:28:58,372 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,373 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:58,373 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,373 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 22:28:58,373 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-03-11 22:28:58,374 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,375 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,375 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,376 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,376 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,376 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,376 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,376 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,377 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,377 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,377 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,377 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,377 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,378 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,378 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,378 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,378 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,378 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,379 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,379 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,379 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,379 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,379 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,380 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,380 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,380 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,380 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,380 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,381 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,381 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,381 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,381 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,381 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,381 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,382 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,382 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,382 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,382 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:58,383 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,388 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:58,388 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,389 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:58,389 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-03-11 22:28:58,389 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,390 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,390 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,390 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,390 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,390 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,391 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,391 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,391 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,391 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,392 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,392 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,392 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,392 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,392 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,393 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,393 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,393 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,393 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,393 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,394 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,394 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,394 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,394 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,394 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,394 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,395 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,395 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,395 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,395 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,395 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,396 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,396 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,396 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,396 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,396 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,397 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2021-03-11 22:28:58,397 INFO  L219   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-03-11 22:28:58,397 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5
[2021-03-11 22:28:58,397 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261636129]
[2021-03-11 22:28:58,397 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-03-11 22:28:58,397 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 22:28:58,397 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-03-11 22:28:58,397 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2021-03-11 22:28:58,398 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 19 out of 32
[2021-03-11 22:28:58,398 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 63 transitions, 730 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)
[2021-03-11 22:28:58,398 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 22:28:58,398 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 32
[2021-03-11 22:28:58,398 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 22:28:58,463 INFO  L129       PetriNetUnfolder]: 99/267 cut-off events.
[2021-03-11 22:28:58,463 INFO  L130       PetriNetUnfolder]: For 2460/2478 co-relation queries the response was YES.
[2021-03-11 22:28:58,464 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 1847 conditions, 267 events. 99/267 cut-off events. For 2460/2478 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1154 event pairs, 13 based on Foata normal form. 7/269 useless extension candidates. Maximal degree in co-relation 1804. Up to 88 conditions per place. 
[2021-03-11 22:28:58,465 INFO  L132   encePairwiseOnDemand]: 26/32 looper letters, 36 selfloop transitions, 30 changer transitions 6/81 dead transitions.
[2021-03-11 22:28:58,465 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 81 transitions, 1084 flow
[2021-03-11 22:28:58,465 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-03-11 22:28:58,465 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2021-03-11 22:28:58,466 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 178 transitions.
[2021-03-11 22:28:58,466 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.6953125
[2021-03-11 22:28:58,466 INFO  L72            ComplementDD]: Start complementDD. Operand 8 states and 178 transitions.
[2021-03-11 22:28:58,466 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 8 states and 178 transitions.
[2021-03-11 22:28:58,466 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 22:28:58,466 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 178 transitions.
[2021-03-11 22:28:58,467 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 9 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)
[2021-03-11 22:28:58,467 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 9 states, 9 states have (on average 32.0) internal successors, (288), 9 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:58,467 INFO  L81            ComplementDD]: Finished complementDD. Result  has 9 states, 9 states have (on average 32.0) internal successors, (288), 9 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:58,467 INFO  L185             Difference]: Start difference. First operand has 93 places, 63 transitions, 730 flow. Second operand 8 states and 178 transitions.
[2021-03-11 22:28:58,467 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 81 transitions, 1084 flow
[2021-03-11 22:28:58,473 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 81 transitions, 919 flow, removed 54 selfloop flow, removed 17 redundant places.
[2021-03-11 22:28:58,474 INFO  L241             Difference]: Finished difference. Result has 80 places, 67 transitions, 764 flow
[2021-03-11 22:28:58,475 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=591, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=764, PETRI_PLACES=80, PETRI_TRANSITIONS=67}
[2021-03-11 22:28:58,475 INFO  L335   CegarLoopForPetriNet]: 19 programPoint places, 61 predicate places.
[2021-03-11 22:28:58,475 INFO  L480      AbstractCegarLoop]: Abstraction has has 80 places, 67 transitions, 764 flow
[2021-03-11 22:28:58,475 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  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)
[2021-03-11 22:28:58,475 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 22:28:58,475 INFO  L255   CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 22:28:58,689 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-03-11 22:28:58,689 INFO  L428      AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-03-11 22:28:58,690 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 22:28:58,690 INFO  L82        PathProgramCache]: Analyzing trace with hash 383295962, now seen corresponding path program 9 times
[2021-03-11 22:28:58,690 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 22:28:58,690 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767430986]
[2021-03-11 22:28:58,690 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 22:28:58,697 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 22:28:58,708 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,709 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,711 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,711 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,713 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,713 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,716 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,717 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,720 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,720 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,724 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,724 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,729 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,729 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,735 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-03-11 22:28:58,735 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767430986]
[2021-03-11 22:28:58,735 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804955455]
[2021-03-11 22:28:58,735 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
[2021-03-11 22:28:58,765 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s)
[2021-03-11 22:28:58,766 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-03-11 22:28:58,766 INFO  L263         TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core
[2021-03-11 22:28:58,766 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-03-11 22:28:58,767 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,767 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,767 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,767 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,768 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,768 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,768 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,768 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,768 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,769 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,769 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,769 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,769 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,769 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,770 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,770 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,770 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,770 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,770 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,771 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,771 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,771 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,771 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,771 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,773 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,773 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,774 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,774 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,774 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,774 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,774 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,775 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,775 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,775 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,775 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,775 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,776 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,776 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,776 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,776 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,776 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,777 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,777 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,777 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,777 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,777 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,778 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,778 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,778 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,778 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 22:28:58,779 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,779 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:58,779 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,780 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 22:28:58,780 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-03-11 22:28:58,780 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,781 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,781 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,781 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,782 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,782 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,782 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,782 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,782 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,783 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,783 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,783 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,783 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,783 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,784 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,784 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,784 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,784 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,784 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,785 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,785 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,785 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,785 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,785 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,786 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,786 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,786 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,786 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,786 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,787 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:58,787 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,787 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:58,788 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,788 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:58,788 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-03-11 22:28:58,790 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,791 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,791 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,791 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,792 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,792 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,793 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,793 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,793 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,793 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,793 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,794 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,794 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,794 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 22:28:58,794 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,795 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:58,795 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,795 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 22:28:58,795 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-03-11 22:28:58,796 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,796 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,796 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,796 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,797 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,797 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,797 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,797 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,797 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,798 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,798 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,798 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,798 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,799 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:58,799 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,799 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:58,799 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,800 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:58,800 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-03-11 22:28:58,800 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,802 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,802 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,803 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,803 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,803 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 22:28:58,803 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,804 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:58,804 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,804 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 22:28:58,804 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-03-11 22:28:58,805 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,806 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,806 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,806 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,806 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,806 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:58,807 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,807 WARN  L159       QuantifierPusher]: Ignoring assumption.
[2021-03-11 22:28:58,808 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,808 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 22:28:58,809 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-03-11 22:28:58,815 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,815 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,815 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,816 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,816 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,816 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,816 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,816 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,817 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,817 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,817 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,817 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,817 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,818 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,818 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,818 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,818 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,818 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,818 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,819 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,819 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,819 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,819 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,819 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,820 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,820 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,821 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,821 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,821 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,821 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,821 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,822 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,822 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,822 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,822 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 22:28:58,822 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 22:28:58,822 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-03-11 22:28:58,822 INFO  L219   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-03-11 22:28:58,823 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7
[2021-03-11 22:28:58,823 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164511981]
[2021-03-11 22:28:58,823 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 9 states
[2021-03-11 22:28:58,823 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 22:28:58,824 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-03-11 22:28:58,824 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2021-03-11 22:28:58,824 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 19 out of 32
[2021-03-11 22:28:58,824 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 67 transitions, 764 flow. Second operand  has 9 states, 9 states have (on average 20.666666666666668) internal successors, (186), 9 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:58,824 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 22:28:58,824 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 32
[2021-03-11 22:28:58,824 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 22:28:58,918 INFO  L129       PetriNetUnfolder]: 99/266 cut-off events.
[2021-03-11 22:28:58,918 INFO  L130       PetriNetUnfolder]: For 2282/2300 co-relation queries the response was YES.
[2021-03-11 22:28:58,919 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 1783 conditions, 266 events. 99/266 cut-off events. For 2282/2300 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1152 event pairs, 9 based on Foata normal form. 9/270 useless extension candidates. Maximal degree in co-relation 1715. Up to 83 conditions per place. 
[2021-03-11 22:28:58,920 INFO  L132   encePairwiseOnDemand]: 26/32 looper letters, 0 selfloop transitions, 0 changer transitions 89/89 dead transitions.
[2021-03-11 22:28:58,920 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 89 transitions, 1167 flow
[2021-03-11 22:28:58,920 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-03-11 22:28:58,920 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 10 states.
[2021-03-11 22:28:58,920 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 222 transitions.
[2021-03-11 22:28:58,921 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.69375
[2021-03-11 22:28:58,921 INFO  L72            ComplementDD]: Start complementDD. Operand 10 states and 222 transitions.
[2021-03-11 22:28:58,921 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 10 states and 222 transitions.
[2021-03-11 22:28:58,921 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 22:28:58,921 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 222 transitions.
[2021-03-11 22:28:58,921 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 11 states, 10 states have (on average 22.2) internal successors, (222), 10 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:58,922 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 11 states, 11 states have (on average 32.0) internal successors, (352), 11 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:58,922 INFO  L81            ComplementDD]: Finished complementDD. Result  has 11 states, 11 states have (on average 32.0) internal successors, (352), 11 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:58,922 INFO  L185             Difference]: Start difference. First operand has 80 places, 67 transitions, 764 flow. Second operand 10 states and 222 transitions.
[2021-03-11 22:28:58,922 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 89 transitions, 1167 flow
[2021-03-11 22:28:58,927 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 89 transitions, 1138 flow, removed 8 selfloop flow, removed 5 redundant places.
[2021-03-11 22:28:58,928 INFO  L241             Difference]: Finished difference. Result has 83 places, 0 transitions, 0 flow
[2021-03-11 22:28:58,928 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=733, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=0, PETRI_PLACES=83, PETRI_TRANSITIONS=0}
[2021-03-11 22:28:58,928 INFO  L335   CegarLoopForPetriNet]: 19 programPoint places, 64 predicate places.
[2021-03-11 22:28:58,928 INFO  L480      AbstractCegarLoop]: Abstraction has has 83 places, 0 transitions, 0 flow
[2021-03-11 22:28:58,928 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 9 states, 9 states have (on average 20.666666666666668) internal successors, (186), 9 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 22:28:59,143 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2021-03-11 22:28:59,146 INFO  L202        PluginConnector]: Adding new model NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 10:28:59 BasicIcfg
[2021-03-11 22:28:59,146 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-03-11 22:28:59,146 INFO  L168              Benchmark]: Toolchain (without parser) took 5201.41 ms. Allocated memory was 255.9 MB in the beginning and 434.1 MB in the end (delta: 178.3 MB). Free memory was 237.1 MB in the beginning and 206.7 MB in the end (delta: 30.4 MB). Peak memory consumption was 207.6 MB. Max. memory is 16.0 GB.
[2021-03-11 22:28:59,146 INFO  L168              Benchmark]: Boogie PL CUP Parser took 0.08 ms. Allocated memory is still 255.9 MB. Free memory is still 238.2 MB. There was no memory consumed. Max. memory is 16.0 GB.
[2021-03-11 22:28:59,146 INFO  L168              Benchmark]: Boogie Procedure Inliner took 15.93 ms. Allocated memory is still 255.9 MB. Free memory was 236.6 MB in the beginning and 235.2 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB.
[2021-03-11 22:28:59,146 INFO  L168              Benchmark]: Boogie Preprocessor took 9.94 ms. Allocated memory is still 255.9 MB. Free memory was 235.2 MB in the beginning and 234.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB.
[2021-03-11 22:28:59,146 INFO  L168              Benchmark]: RCFGBuilder took 166.03 ms. Allocated memory is still 255.9 MB. Free memory was 234.2 MB in the beginning and 240.7 MB in the end (delta: -6.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.0 GB.
[2021-03-11 22:28:59,146 INFO  L168              Benchmark]: TraceAbstraction took 4999.30 ms. Allocated memory was 255.9 MB in the beginning and 434.1 MB in the end (delta: 178.3 MB). Free memory was 240.7 MB in the beginning and 206.7 MB in the end (delta: 34.0 MB). Peak memory consumption was 211.7 MB. Max. memory is 16.0 GB.
[2021-03-11 22:28:59,147 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 0.08 ms. Allocated memory is still 255.9 MB. Free memory is still 238.2 MB. There was no memory consumed. Max. memory is 16.0 GB.
 * Boogie Procedure Inliner took 15.93 ms. Allocated memory is still 255.9 MB. Free memory was 236.6 MB in the beginning and 235.2 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB.
 * Boogie Preprocessor took 9.94 ms. Allocated memory is still 255.9 MB. Free memory was 235.2 MB in the beginning and 234.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB.
 * RCFGBuilder took 166.03 ms. Allocated memory is still 255.9 MB. Free memory was 234.2 MB in the beginning and 240.7 MB in the end (delta: -6.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.0 GB.
 * TraceAbstraction took 4999.30 ms. Allocated memory was 255.9 MB in the beginning and 434.1 MB in the end (delta: 178.3 MB). Free memory was 240.7 MB in the beginning and 206.7 MB in the end (delta: 34.0 MB). Peak memory consumption was 211.7 MB. Max. memory is 16.0 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 197.1ms, 25 PlacesBefore, 19 PlacesAfterwards, 22 TransitionsBefore, 16 TransitionsAfterwards, 140 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 112 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 98, positive: 92, positive conditional: 0, positive unconditional: 92, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 79, positive: 75, positive conditional: 0, positive unconditional: 75, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 79, positive: 75, positive conditional: 0, positive unconditional: 75, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 31, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 98, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 79, unknown conditional: 0, unknown unconditional: 79] , Statistics on independence cache: Total cache size (in pairs): 27, Positive cache size: 25, Positive conditional cache size: 0, Positive unconditional cache size: 25, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2
  - PositiveResult [Line: 22]: assertion always holds
    For all program executions holds that assertion always holds at this location
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 3 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 4905.2ms, OverallIterations: 12, TraceHistogramMax: 3, EmptinessCheckTime: 0.0ms, AutomataDifference: 1467.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 253.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 75 SDtfs, 127 SDslu, 94 SDs, 0 SdLazy, 590 SolverSat, 137 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 318.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 280 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 585.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1616occurred in iteration=8, InterpolantAutomatonStates: 104, 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: 37.5ms SsaConstructionTime, 185.6ms SatisfiabilityAnalysisTime, 998.2ms InterpolantComputationTime, 386 NumberOfCodeBlocks, 384 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 366 ConstructedInterpolants, 0 QuantifiedInterpolants, 940 SizeOfPredicates, 30 NumberOfNonLiveVariables, 425 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 20 InterpolantComputations, 4 PerfectInterpolantSequences, 150/257 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...