/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe004_rmo.opt.i


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


This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8
[2021-03-11 02:31:01,109 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-03-11 02:31:01,110 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-03-11 02:31:01,138 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-03-11 02:31:01,138 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-03-11 02:31:01,140 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-03-11 02:31:01,144 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-03-11 02:31:01,148 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-03-11 02:31:01,150 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-03-11 02:31:01,153 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2021-03-11 02:31:01,155 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-03-11 02:31:01,156 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-03-11 02:31:01,158 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-03-11 02:31:01,158 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-03-11 02:31:01,159 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-03-11 02:31:01,159 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-03-11 02:31:01,164 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-03-11 02:31:01,171 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-03-11 02:31:01,172 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-03-11 02:31:01,173 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-03-11 02:31:01,174 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-03-11 02:31:01,174 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-03-11 02:31:01,176 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2021-03-11 02:31:01,176 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-03-11 02:31:01,177 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-03-11 02:31:01,177 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
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[2021-03-11 02:31:01,178 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-03-11 02:31:01,178 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-03-11 02:31:01,179 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-03-11 02:31:01,179 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
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[2021-03-11 02:31:01,180 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2021-03-11 02:31:01,180 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2021-03-11 02:31:01,181 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-03-11 02:31:01,182 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf
[2021-03-11 02:31:01,196 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-03-11 02:31:01,197 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-03-11 02:31:01,198 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-03-11 02:31:01,198 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-03-11 02:31:01,198 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-03-11 02:31:01,198 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-03-11 02:31:01,198 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-03-11 02:31:01,198 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-03-11 02:31:01,198 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-03-11 02:31:01,199 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-03-11 02:31:01,199 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-03-11 02:31:01,199 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-03-11 02:31:01,199 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-03-11 02:31:01,199 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-03-11 02:31:01,199 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-03-11 02:31:01,199 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-03-11 02:31:01,199 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-03-11 02:31:01,199 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-03-11 02:31:01,200 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-03-11 02:31:01,200 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2021-03-11 02:31:01,200 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-03-11 02:31:01,200 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-03-11 02:31:01,200 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-03-11 02:31:01,200 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-03-11 02:31:01,200 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-03-11 02:31:01,200 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-03-11 02:31:01,200 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-03-11 02:31:01,200 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-03-11 02:31:01,201 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2021-03-11 02:31:01,201 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-03-11 02:31:01,433 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-03-11 02:31:01,455 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-03-11 02:31:01,456 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-03-11 02:31:01,457 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-03-11 02:31:01,457 INFO  L275        PluginConnector]: CDTParser initialized
[2021-03-11 02:31:01,458 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe004_rmo.opt.i
[2021-03-11 02:31:01,503 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfab788f9/8fd6b272e43547c8b1c736af99743b84/FLAGf4d29cba8
[2021-03-11 02:31:01,907 INFO  L306              CDTParser]: Found 1 translation units.
[2021-03-11 02:31:01,907 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe004_rmo.opt.i
[2021-03-11 02:31:01,915 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfab788f9/8fd6b272e43547c8b1c736af99743b84/FLAGf4d29cba8
[2021-03-11 02:31:02,254 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfab788f9/8fd6b272e43547c8b1c736af99743b84
[2021-03-11 02:31:02,256 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-03-11 02:31:02,260 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2021-03-11 02:31:02,261 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-03-11 02:31:02,261 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-03-11 02:31:02,265 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-03-11 02:31:02,265 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 02:31:02" (1/1) ...
[2021-03-11 02:31:02,266 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b0d3b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:31:02, skipping insertion in model container
[2021-03-11 02:31:02,267 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 02:31:02" (1/1) ...
[2021-03-11 02:31:02,271 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-03-11 02:31:02,313 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-03-11 02:31:02,403 WARN  L226   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe004_rmo.opt.i[949,962]
[2021-03-11 02:31:02,573 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-03-11 02:31:02,579 INFO  L203         MainTranslator]: Completed pre-run
[2021-03-11 02:31:02,586 WARN  L226   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe004_rmo.opt.i[949,962]
[2021-03-11 02:31:02,621 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-03-11 02:31:02,672 INFO  L208         MainTranslator]: Completed translation
[2021-03-11 02:31:02,674 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:31:02 WrapperNode
[2021-03-11 02:31:02,674 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-03-11 02:31:02,675 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-03-11 02:31:02,675 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-03-11 02:31:02,675 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-03-11 02:31:02,679 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:31:02" (1/1) ...
[2021-03-11 02:31:02,708 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:31:02" (1/1) ...
[2021-03-11 02:31:02,726 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-03-11 02:31:02,727 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-03-11 02:31:02,727 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-03-11 02:31:02,727 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-03-11 02:31:02,732 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:31:02" (1/1) ...
[2021-03-11 02:31:02,733 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:31:02" (1/1) ...
[2021-03-11 02:31:02,735 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:31:02" (1/1) ...
[2021-03-11 02:31:02,735 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:31:02" (1/1) ...
[2021-03-11 02:31:02,741 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:31:02" (1/1) ...
[2021-03-11 02:31:02,743 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:31:02" (1/1) ...
[2021-03-11 02:31:02,745 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:31:02" (1/1) ...
[2021-03-11 02:31:02,748 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-03-11 02:31:02,749 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-03-11 02:31:02,749 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-03-11 02:31:02,749 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-03-11 02:31:02,749 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:31:02" (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 02:31:02,805 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-03-11 02:31:02,805 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2021-03-11 02:31:02,805 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-03-11 02:31:02,805 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-03-11 02:31:02,805 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2021-03-11 02:31:02,805 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2021-03-11 02:31:02,805 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2021-03-11 02:31:02,805 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2021-03-11 02:31:02,805 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2021-03-11 02:31:02,806 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2021-03-11 02:31:02,806 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-03-11 02:31:02,806 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2021-03-11 02:31:02,806 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-03-11 02:31:02,806 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-03-11 02:31:02,807 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 02:31:04,111 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-03-11 02:31:04,111 INFO  L299             CfgBuilder]: Removed 10 assume(true) statements.
[2021-03-11 02:31:04,114 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 02:31:04 BoogieIcfgContainer
[2021-03-11 02:31:04,114 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-03-11 02:31:04,115 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-03-11 02:31:04,115 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-03-11 02:31:04,117 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-03-11 02:31:04,117 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 02:31:02" (1/3) ...
[2021-03-11 02:31:04,117 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@372567f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 02:31:04, skipping insertion in model container
[2021-03-11 02:31:04,118 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:31:02" (2/3) ...
[2021-03-11 02:31:04,118 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@372567f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 02:31:04, skipping insertion in model container
[2021-03-11 02:31:04,118 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 02:31:04" (3/3) ...
[2021-03-11 02:31:04,119 INFO  L111   eAbstractionObserver]: Analyzing ICFG safe004_rmo.opt.i
[2021-03-11 02:31:04,123 INFO  L153   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-03-11 02:31:04,126 INFO  L165   ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations.
[2021-03-11 02:31:04,127 INFO  L323   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-03-11 02:31:04,151 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,152 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,152 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,152 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,152 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,152 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,152 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,152 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,152 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,152 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,152 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,153 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,153 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,153 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,153 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,153 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,153 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,153 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,153 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,153 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,153 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,153 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,154 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,154 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,154 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,155 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,155 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,155 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,155 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,155 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,156 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,156 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,156 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,156 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,156 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,156 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,156 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,156 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,157 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,157 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,157 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,158 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,158 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,158 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,158 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,158 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,158 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,158 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,158 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,158 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,159 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,159 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,159 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,159 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,159 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,159 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,159 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,159 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,159 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,159 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,160 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,160 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,160 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,160 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,160 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,160 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,160 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,160 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,161 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,161 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,161 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,161 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,161 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,161 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,161 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,162 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,162 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,162 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,162 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,162 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,162 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,162 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,163 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,164 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,164 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,164 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,165 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,165 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,165 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,166 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,166 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,166 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,166 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,166 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,166 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,166 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,166 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,166 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,168 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,168 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,170 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,170 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,170 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,170 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,174 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,174 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,174 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,174 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,175 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,175 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,175 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,175 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,176 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,176 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,176 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,176 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,176 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,176 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 02:31:04,177 INFO  L149    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-03-11 02:31:04,189 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2021-03-11 02:31:04,209 INFO  L376      AbstractCegarLoop]: Interprodecural is true
[2021-03-11 02:31:04,209 INFO  L377      AbstractCegarLoop]: Hoare is false
[2021-03-11 02:31:04,209 INFO  L378      AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-03-11 02:31:04,209 INFO  L379      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-03-11 02:31:04,210 INFO  L380      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-03-11 02:31:04,210 INFO  L381      AbstractCegarLoop]: Difference is false
[2021-03-11 02:31:04,210 INFO  L382      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-03-11 02:31:04,210 INFO  L386      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-03-11 02:31:04,218 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 209 flow
[2021-03-11 02:31:04,250 INFO  L129       PetriNetUnfolder]: 2/94 cut-off events.
[2021-03-11 02:31:04,251 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-03-11 02:31:04,260 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 2/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 71 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. 
[2021-03-11 02:31:04,260 INFO  L82        GeneralOperation]: Start removeDead. Operand has 105 places, 97 transitions, 209 flow
[2021-03-11 02:31:04,263 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 102 places, 94 transitions, 197 flow
[2021-03-11 02:31:04,275 INFO  L129       PetriNetUnfolder]: 0/50 cut-off events.
[2021-03-11 02:31:04,276 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-03-11 02:31:04,276 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 02:31:04,276 INFO  L255   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 02:31:04,277 INFO  L428      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-11 02:31:04,280 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 02:31:04,280 INFO  L82        PathProgramCache]: Analyzing trace with hash 2048644392, now seen corresponding path program 1 times
[2021-03-11 02:31:04,286 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 02:31:04,286 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286608761]
[2021-03-11 02:31:04,286 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 02:31:04,403 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 02:31:04,506 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:04,507 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 02:31:04,508 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:04,508 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 02:31:04,516 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 02:31:04,516 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286608761]
[2021-03-11 02:31:04,517 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-11 02:31:04,517 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-03-11 02:31:04,518 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598272256]
[2021-03-11 02:31:04,525 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-03-11 02:31:04,525 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 02:31:04,532 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-03-11 02:31:04,533 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-03-11 02:31:04,539 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 86 out of 97
[2021-03-11 02:31:04,543 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 94 transitions, 197 flow. Second operand  has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 02:31:04,543 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 02:31:04,543 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 97
[2021-03-11 02:31:04,544 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 02:31:04,625 INFO  L129       PetriNetUnfolder]: 49/379 cut-off events.
[2021-03-11 02:31:04,626 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-03-11 02:31:04,628 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 475 conditions, 379 events. 49/379 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1972 event pairs, 27 based on Foata normal form. 18/374 useless extension candidates. Maximal degree in co-relation 430. Up to 65 conditions per place. 
[2021-03-11 02:31:04,630 INFO  L132   encePairwiseOnDemand]: 92/97 looper letters, 9 selfloop transitions, 2 changer transitions 0/94 dead transitions.
[2021-03-11 02:31:04,630 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 94 transitions, 219 flow
[2021-03-11 02:31:04,631 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-03-11 02:31:04,632 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2021-03-11 02:31:04,637 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 274 transitions.
[2021-03-11 02:31:04,639 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.9415807560137457
[2021-03-11 02:31:04,639 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 274 transitions.
[2021-03-11 02:31:04,640 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 274 transitions.
[2021-03-11 02:31:04,641 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 02:31:04,642 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 274 transitions.
[2021-03-11 02:31:04,645 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 0 states have call successors, (0), 0 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 02:31:04,649 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 02:31:04,649 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 02:31:04,651 INFO  L185             Difference]: Start difference. First operand has 102 places, 94 transitions, 197 flow. Second operand 3 states and 274 transitions.
[2021-03-11 02:31:04,651 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 94 transitions, 219 flow
[2021-03-11 02:31:04,654 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 94 transitions, 216 flow, removed 0 selfloop flow, removed 3 redundant places.
[2021-03-11 02:31:04,656 INFO  L241             Difference]: Finished difference. Result has 99 places, 90 transitions, 190 flow
[2021-03-11 02:31:04,657 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=190, PETRI_PLACES=99, PETRI_TRANSITIONS=90}
[2021-03-11 02:31:04,658 INFO  L335   CegarLoopForPetriNet]: 102 programPoint places, -3 predicate places.
[2021-03-11 02:31:04,658 INFO  L480      AbstractCegarLoop]: Abstraction has has 99 places, 90 transitions, 190 flow
[2021-03-11 02:31:04,658 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 02:31:04,658 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 02:31:04,658 INFO  L255   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 02:31:04,658 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-03-11 02:31:04,658 INFO  L428      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-11 02:31:04,659 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 02:31:04,659 INFO  L82        PathProgramCache]: Analyzing trace with hash -1423014716, now seen corresponding path program 1 times
[2021-03-11 02:31:04,659 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 02:31:04,659 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835875197]
[2021-03-11 02:31:04,659 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 02:31:04,714 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 02:31:04,785 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:04,786 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 02:31:04,786 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:04,787 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 02:31:04,795 INFO  L142       QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size
[2021-03-11 02:31:04,796 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-03-11 02:31:04,817 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:04,818 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 02:31:04,826 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:04,826 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 02:31:04,835 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:04,836 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 02:31:04,837 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 02:31:04,837 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835875197]
[2021-03-11 02:31:04,837 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-11 02:31:04,837 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-03-11 02:31:04,838 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115026988]
[2021-03-11 02:31:04,839 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-03-11 02:31:04,839 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 02:31:04,840 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-03-11 02:31:04,840 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-03-11 02:31:04,841 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 82 out of 97
[2021-03-11 02:31:04,842 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 90 transitions, 190 flow. Second operand  has 6 states, 6 states have (on average 83.16666666666667) internal successors, (499), 6 states have internal predecessors, (499), 0 states have call successors, (0), 0 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 02:31:04,842 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 02:31:04,842 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 97
[2021-03-11 02:31:04,842 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 02:31:05,049 INFO  L129       PetriNetUnfolder]: 172/664 cut-off events.
[2021-03-11 02:31:05,049 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-03-11 02:31:05,053 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 974 conditions, 664 events. 172/664 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 4156 event pairs, 56 based on Foata normal form. 0/643 useless extension candidates. Maximal degree in co-relation 929. Up to 146 conditions per place. 
[2021-03-11 02:31:05,055 INFO  L132   encePairwiseOnDemand]: 90/97 looper letters, 12 selfloop transitions, 3 changer transitions 43/127 dead transitions.
[2021-03-11 02:31:05,057 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 127 transitions, 362 flow
[2021-03-11 02:31:05,057 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-03-11 02:31:05,058 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2021-03-11 02:31:05,061 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 789 transitions.
[2021-03-11 02:31:05,062 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.9037800687285223
[2021-03-11 02:31:05,063 INFO  L72            ComplementDD]: Start complementDD. Operand 9 states and 789 transitions.
[2021-03-11 02:31:05,063 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 9 states and 789 transitions.
[2021-03-11 02:31:05,063 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 02:31:05,063 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 789 transitions.
[2021-03-11 02:31:05,065 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 10 states, 9 states have (on average 87.66666666666667) internal successors, (789), 9 states have internal predecessors, (789), 0 states have call successors, (0), 0 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 02:31:05,068 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 10 states, 10 states have (on average 97.0) internal successors, (970), 10 states have internal predecessors, (970), 0 states have call successors, (0), 0 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 02:31:05,068 INFO  L81            ComplementDD]: Finished complementDD. Result  has 10 states, 10 states have (on average 97.0) internal successors, (970), 10 states have internal predecessors, (970), 0 states have call successors, (0), 0 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 02:31:05,069 INFO  L185             Difference]: Start difference. First operand has 99 places, 90 transitions, 190 flow. Second operand 9 states and 789 transitions.
[2021-03-11 02:31:05,069 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 127 transitions, 362 flow
[2021-03-11 02:31:05,070 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 127 transitions, 358 flow, removed 0 selfloop flow, removed 2 redundant places.
[2021-03-11 02:31:05,072 INFO  L241             Difference]: Finished difference. Result has 112 places, 82 transitions, 209 flow
[2021-03-11 02:31:05,072 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=209, PETRI_PLACES=112, PETRI_TRANSITIONS=82}
[2021-03-11 02:31:05,073 INFO  L335   CegarLoopForPetriNet]: 102 programPoint places, 10 predicate places.
[2021-03-11 02:31:05,073 INFO  L480      AbstractCegarLoop]: Abstraction has has 112 places, 82 transitions, 209 flow
[2021-03-11 02:31:05,073 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 6 states, 6 states have (on average 83.16666666666667) internal successors, (499), 6 states have internal predecessors, (499), 0 states have call successors, (0), 0 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 02:31:05,073 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 02:31:05,073 INFO  L255   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 02:31:05,073 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-03-11 02:31:05,073 INFO  L428      AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-11 02:31:05,074 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 02:31:05,074 INFO  L82        PathProgramCache]: Analyzing trace with hash -1125033885, now seen corresponding path program 1 times
[2021-03-11 02:31:05,074 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 02:31:05,074 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706874942]
[2021-03-11 02:31:05,074 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 02:31:05,145 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 02:31:05,169 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:05,170 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 02:31:05,170 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:05,170 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 02:31:05,173 INFO  L142       QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size
[2021-03-11 02:31:05,173 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-03-11 02:31:05,183 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:05,184 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 02:31:05,189 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:05,189 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 02:31:05,195 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:05,195 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 02:31:05,196 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 02:31:05,196 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706874942]
[2021-03-11 02:31:05,196 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-11 02:31:05,196 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-03-11 02:31:05,196 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492251575]
[2021-03-11 02:31:05,196 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-03-11 02:31:05,196 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 02:31:05,197 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-03-11 02:31:05,197 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-03-11 02:31:05,198 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 85 out of 97
[2021-03-11 02:31:05,198 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 82 transitions, 209 flow. Second operand  has 6 states, 6 states have (on average 86.16666666666667) internal successors, (517), 6 states have internal predecessors, (517), 0 states have call successors, (0), 0 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 02:31:05,198 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 02:31:05,198 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 97
[2021-03-11 02:31:05,198 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 02:31:05,275 INFO  L129       PetriNetUnfolder]: 28/176 cut-off events.
[2021-03-11 02:31:05,275 INFO  L130       PetriNetUnfolder]: For 171/172 co-relation queries the response was YES.
[2021-03-11 02:31:05,276 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 377 conditions, 176 events. 28/176 cut-off events. For 171/172 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 538 event pairs, 9 based on Foata normal form. 6/176 useless extension candidates. Maximal degree in co-relation 342. Up to 31 conditions per place. 
[2021-03-11 02:31:05,276 INFO  L132   encePairwiseOnDemand]: 91/97 looper letters, 6 selfloop transitions, 2 changer transitions 10/92 dead transitions.
[2021-03-11 02:31:05,276 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 92 transitions, 283 flow
[2021-03-11 02:31:05,277 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-03-11 02:31:05,277 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2021-03-11 02:31:05,278 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 785 transitions.
[2021-03-11 02:31:05,278 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.8991981672394044
[2021-03-11 02:31:05,278 INFO  L72            ComplementDD]: Start complementDD. Operand 9 states and 785 transitions.
[2021-03-11 02:31:05,278 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 9 states and 785 transitions.
[2021-03-11 02:31:05,278 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 02:31:05,279 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 785 transitions.
[2021-03-11 02:31:05,280 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 10 states, 9 states have (on average 87.22222222222223) internal successors, (785), 9 states have internal predecessors, (785), 0 states have call successors, (0), 0 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 02:31:05,281 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 10 states, 10 states have (on average 97.0) internal successors, (970), 10 states have internal predecessors, (970), 0 states have call successors, (0), 0 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 02:31:05,281 INFO  L81            ComplementDD]: Finished complementDD. Result  has 10 states, 10 states have (on average 97.0) internal successors, (970), 10 states have internal predecessors, (970), 0 states have call successors, (0), 0 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 02:31:05,281 INFO  L185             Difference]: Start difference. First operand has 112 places, 82 transitions, 209 flow. Second operand 9 states and 785 transitions.
[2021-03-11 02:31:05,281 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 92 transitions, 283 flow
[2021-03-11 02:31:05,283 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 92 transitions, 266 flow, removed 7 selfloop flow, removed 4 redundant places.
[2021-03-11 02:31:05,284 INFO  L241             Difference]: Finished difference. Result has 107 places, 82 transitions, 220 flow
[2021-03-11 02:31:05,285 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=220, PETRI_PLACES=107, PETRI_TRANSITIONS=82}
[2021-03-11 02:31:05,285 INFO  L335   CegarLoopForPetriNet]: 102 programPoint places, 5 predicate places.
[2021-03-11 02:31:05,285 INFO  L480      AbstractCegarLoop]: Abstraction has has 107 places, 82 transitions, 220 flow
[2021-03-11 02:31:05,285 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 6 states, 6 states have (on average 86.16666666666667) internal successors, (517), 6 states have internal predecessors, (517), 0 states have call successors, (0), 0 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 02:31:05,285 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 02:31:05,285 INFO  L255   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 02:31:05,285 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-03-11 02:31:05,285 INFO  L428      AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-11 02:31:05,286 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 02:31:05,286 INFO  L82        PathProgramCache]: Analyzing trace with hash 303581911, now seen corresponding path program 1 times
[2021-03-11 02:31:05,286 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 02:31:05,286 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337244856]
[2021-03-11 02:31:05,286 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 02:31:05,338 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 02:31:05,378 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:05,379 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 02:31:05,379 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:05,379 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 02:31:05,381 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:05,382 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 02:31:05,386 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:05,386 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-03-11 02:31:05,399 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:05,399 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13
[2021-03-11 02:31:05,412 INFO  L142       QuantifierPusher]: treesize reduction 27, result has 74.0 percent of original size
[2021-03-11 02:31:05,417 INFO  L147       QuantifierPusher]: treesize reduction 9, result has 88.3 percent of original size 68
[2021-03-11 02:31:05,442 INFO  L142       QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size
[2021-03-11 02:31:05,443 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-03-11 02:31:05,457 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:05,458 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 02:31:05,464 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:05,465 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 02:31:05,472 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:05,472 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 02:31:05,473 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 02:31:05,473 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337244856]
[2021-03-11 02:31:05,474 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-11 02:31:05,474 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-03-11 02:31:05,474 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299585313]
[2021-03-11 02:31:05,474 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 10 states
[2021-03-11 02:31:05,475 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 02:31:05,475 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-03-11 02:31:05,476 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90
[2021-03-11 02:31:05,477 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 76 out of 97
[2021-03-11 02:31:05,478 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 82 transitions, 220 flow. Second operand  has 10 states, 10 states have (on average 77.1) internal successors, (771), 10 states have internal predecessors, (771), 0 states have call successors, (0), 0 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 02:31:05,478 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 02:31:05,478 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 97
[2021-03-11 02:31:05,478 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 02:31:05,848 INFO  L129       PetriNetUnfolder]: 425/919 cut-off events.
[2021-03-11 02:31:05,849 INFO  L130       PetriNetUnfolder]: For 1047/1047 co-relation queries the response was YES.
[2021-03-11 02:31:05,852 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 2301 conditions, 919 events. 425/919 cut-off events. For 1047/1047 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 5033 event pairs, 202 based on Foata normal form. 28/914 useless extension candidates. Maximal degree in co-relation 2241. Up to 380 conditions per place. 
[2021-03-11 02:31:05,856 INFO  L132   encePairwiseOnDemand]: 85/97 looper letters, 14 selfloop transitions, 10 changer transitions 44/134 dead transitions.
[2021-03-11 02:31:05,856 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 134 transitions, 504 flow
[2021-03-11 02:31:05,857 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-03-11 02:31:05,857 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 15 states.
[2021-03-11 02:31:05,859 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1211 transitions.
[2021-03-11 02:31:05,860 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.8323024054982818
[2021-03-11 02:31:05,860 INFO  L72            ComplementDD]: Start complementDD. Operand 15 states and 1211 transitions.
[2021-03-11 02:31:05,860 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 15 states and 1211 transitions.
[2021-03-11 02:31:05,860 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 02:31:05,860 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1211 transitions.
[2021-03-11 02:31:05,862 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 16 states, 15 states have (on average 80.73333333333333) internal successors, (1211), 15 states have internal predecessors, (1211), 0 states have call successors, (0), 0 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 02:31:05,864 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 16 states, 16 states have (on average 97.0) internal successors, (1552), 16 states have internal predecessors, (1552), 0 states have call successors, (0), 0 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 02:31:05,864 INFO  L81            ComplementDD]: Finished complementDD. Result  has 16 states, 16 states have (on average 97.0) internal successors, (1552), 16 states have internal predecessors, (1552), 0 states have call successors, (0), 0 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 02:31:05,864 INFO  L185             Difference]: Start difference. First operand has 107 places, 82 transitions, 220 flow. Second operand 15 states and 1211 transitions.
[2021-03-11 02:31:05,864 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 134 transitions, 504 flow
[2021-03-11 02:31:05,868 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 134 transitions, 464 flow, removed 18 selfloop flow, removed 8 redundant places.
[2021-03-11 02:31:05,870 INFO  L241             Difference]: Finished difference. Result has 118 places, 88 transitions, 288 flow
[2021-03-11 02:31:05,870 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=288, PETRI_PLACES=118, PETRI_TRANSITIONS=88}
[2021-03-11 02:31:05,870 INFO  L335   CegarLoopForPetriNet]: 102 programPoint places, 16 predicate places.
[2021-03-11 02:31:05,870 INFO  L480      AbstractCegarLoop]: Abstraction has has 118 places, 88 transitions, 288 flow
[2021-03-11 02:31:05,870 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 10 states, 10 states have (on average 77.1) internal successors, (771), 10 states have internal predecessors, (771), 0 states have call successors, (0), 0 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 02:31:05,870 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 02:31:05,871 INFO  L255   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 02:31:05,871 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-03-11 02:31:05,871 INFO  L428      AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-11 02:31:05,871 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 02:31:05,871 INFO  L82        PathProgramCache]: Analyzing trace with hash 1573479955, now seen corresponding path program 1 times
[2021-03-11 02:31:05,871 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 02:31:05,871 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780872991]
[2021-03-11 02:31:05,871 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 02:31:05,890 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 02:31:05,911 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:05,912 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 02:31:05,912 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:05,912 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 02:31:05,914 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:05,915 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 02:31:05,918 INFO  L142       QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size
[2021-03-11 02:31:05,918 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-03-11 02:31:05,930 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:05,930 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 02:31:05,936 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:05,937 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 02:31:05,944 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:05,944 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 02:31:05,945 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-03-11 02:31:05,945 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780872991]
[2021-03-11 02:31:05,945 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-11 02:31:05,945 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-03-11 02:31:05,945 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637194916]
[2021-03-11 02:31:05,945 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-03-11 02:31:05,945 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 02:31:05,946 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-03-11 02:31:05,953 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2021-03-11 02:31:05,955 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 81 out of 97
[2021-03-11 02:31:05,956 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 88 transitions, 288 flow. Second operand  has 7 states, 7 states have (on average 82.57142857142857) internal successors, (578), 7 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 02:31:05,956 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 02:31:05,956 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 97
[2021-03-11 02:31:05,956 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 02:31:06,079 INFO  L129       PetriNetUnfolder]: 102/401 cut-off events.
[2021-03-11 02:31:06,079 INFO  L130       PetriNetUnfolder]: For 1412/1613 co-relation queries the response was YES.
[2021-03-11 02:31:06,081 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 1421 conditions, 401 events. 102/401 cut-off events. For 1412/1613 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2173 event pairs, 41 based on Foata normal form. 17/404 useless extension candidates. Maximal degree in co-relation 1354. Up to 92 conditions per place. 
[2021-03-11 02:31:06,082 INFO  L132   encePairwiseOnDemand]: 88/97 looper letters, 12 selfloop transitions, 5 changer transitions 11/102 dead transitions.
[2021-03-11 02:31:06,082 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 102 transitions, 461 flow
[2021-03-11 02:31:06,083 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-03-11 02:31:06,083 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2021-03-11 02:31:06,084 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 596 transitions.
[2021-03-11 02:31:06,084 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.8777614138438881
[2021-03-11 02:31:06,084 INFO  L72            ComplementDD]: Start complementDD. Operand 7 states and 596 transitions.
[2021-03-11 02:31:06,084 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 7 states and 596 transitions.
[2021-03-11 02:31:06,085 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 02:31:06,085 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 596 transitions.
[2021-03-11 02:31:06,086 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 8 states, 7 states have (on average 85.14285714285714) internal successors, (596), 7 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 02:31:06,088 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 8 states, 8 states have (on average 97.0) internal successors, (776), 8 states have internal predecessors, (776), 0 states have call successors, (0), 0 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 02:31:06,088 INFO  L81            ComplementDD]: Finished complementDD. Result  has 8 states, 8 states have (on average 97.0) internal successors, (776), 8 states have internal predecessors, (776), 0 states have call successors, (0), 0 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 02:31:06,088 INFO  L185             Difference]: Start difference. First operand has 118 places, 88 transitions, 288 flow. Second operand 7 states and 596 transitions.
[2021-03-11 02:31:06,088 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 102 transitions, 461 flow
[2021-03-11 02:31:06,091 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 102 transitions, 447 flow, removed 5 selfloop flow, removed 5 redundant places.
[2021-03-11 02:31:06,094 INFO  L241             Difference]: Finished difference. Result has 114 places, 88 transitions, 301 flow
[2021-03-11 02:31:06,094 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=301, PETRI_PLACES=114, PETRI_TRANSITIONS=88}
[2021-03-11 02:31:06,094 INFO  L335   CegarLoopForPetriNet]: 102 programPoint places, 12 predicate places.
[2021-03-11 02:31:06,095 INFO  L480      AbstractCegarLoop]: Abstraction has has 114 places, 88 transitions, 301 flow
[2021-03-11 02:31:06,095 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 7 states, 7 states have (on average 82.57142857142857) internal successors, (578), 7 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 02:31:06,095 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 02:31:06,095 INFO  L255   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 02:31:06,095 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-03-11 02:31:06,095 INFO  L428      AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-11 02:31:06,095 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 02:31:06,095 INFO  L82        PathProgramCache]: Analyzing trace with hash 886252633, now seen corresponding path program 2 times
[2021-03-11 02:31:06,095 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 02:31:06,096 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536368168]
[2021-03-11 02:31:06,096 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 02:31:06,130 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 02:31:06,184 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:06,184 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 02:31:06,184 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:06,184 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 02:31:06,189 INFO  L142       QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size
[2021-03-11 02:31:06,191 INFO  L147       QuantifierPusher]: treesize reduction 9, result has 75.7 percent of original size 28
[2021-03-11 02:31:06,205 INFO  L142       QuantifierPusher]: treesize reduction 28, result has 58.8 percent of original size
[2021-03-11 02:31:06,206 INFO  L147       QuantifierPusher]: treesize reduction 9, result has 77.5 percent of original size 31
[2021-03-11 02:31:06,220 INFO  L142       QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size
[2021-03-11 02:31:06,221 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-03-11 02:31:06,234 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:06,234 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 02:31:06,244 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:06,245 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 02:31:06,251 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:06,255 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 02:31:06,255 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 02:31:06,255 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536368168]
[2021-03-11 02:31:06,255 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-11 02:31:06,255 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-03-11 02:31:06,256 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715299700]
[2021-03-11 02:31:06,256 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 8 states
[2021-03-11 02:31:06,256 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 02:31:06,259 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-03-11 02:31:06,260 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2021-03-11 02:31:06,260 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 78 out of 97
[2021-03-11 02:31:06,261 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 88 transitions, 301 flow. Second operand  has 8 states, 8 states have (on average 79.25) internal successors, (634), 8 states have internal predecessors, (634), 0 states have call successors, (0), 0 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 02:31:06,261 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 02:31:06,261 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 97
[2021-03-11 02:31:06,261 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 02:31:06,656 INFO  L129       PetriNetUnfolder]: 362/825 cut-off events.
[2021-03-11 02:31:06,656 INFO  L130       PetriNetUnfolder]: For 2589/2621 co-relation queries the response was YES.
[2021-03-11 02:31:06,661 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 2841 conditions, 825 events. 362/825 cut-off events. For 2589/2621 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 4380 event pairs, 116 based on Foata normal form. 22/820 useless extension candidates. Maximal degree in co-relation 2771. Up to 321 conditions per place. 
[2021-03-11 02:31:06,664 INFO  L132   encePairwiseOnDemand]: 87/97 looper letters, 28 selfloop transitions, 9 changer transitions 37/142 dead transitions.
[2021-03-11 02:31:06,664 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 142 transitions, 777 flow
[2021-03-11 02:31:06,665 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2021-03-11 02:31:06,665 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 13 states.
[2021-03-11 02:31:06,666 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1085 transitions.
[2021-03-11 02:31:06,667 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.8604282315622522
[2021-03-11 02:31:06,667 INFO  L72            ComplementDD]: Start complementDD. Operand 13 states and 1085 transitions.
[2021-03-11 02:31:06,667 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 13 states and 1085 transitions.
[2021-03-11 02:31:06,667 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 02:31:06,667 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1085 transitions.
[2021-03-11 02:31:06,669 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 14 states, 13 states have (on average 83.46153846153847) internal successors, (1085), 13 states have internal predecessors, (1085), 0 states have call successors, (0), 0 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 02:31:06,671 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 14 states, 14 states have (on average 97.0) internal successors, (1358), 14 states have internal predecessors, (1358), 0 states have call successors, (0), 0 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 02:31:06,672 INFO  L81            ComplementDD]: Finished complementDD. Result  has 14 states, 14 states have (on average 97.0) internal successors, (1358), 14 states have internal predecessors, (1358), 0 states have call successors, (0), 0 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 02:31:06,672 INFO  L185             Difference]: Start difference. First operand has 114 places, 88 transitions, 301 flow. Second operand 13 states and 1085 transitions.
[2021-03-11 02:31:06,672 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 142 transitions, 777 flow
[2021-03-11 02:31:06,675 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 142 transitions, 731 flow, removed 18 selfloop flow, removed 6 redundant places.
[2021-03-11 02:31:06,677 INFO  L241             Difference]: Finished difference. Result has 128 places, 93 transitions, 377 flow
[2021-03-11 02:31:06,677 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=283, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=377, PETRI_PLACES=128, PETRI_TRANSITIONS=93}
[2021-03-11 02:31:06,677 INFO  L335   CegarLoopForPetriNet]: 102 programPoint places, 26 predicate places.
[2021-03-11 02:31:06,677 INFO  L480      AbstractCegarLoop]: Abstraction has has 128 places, 93 transitions, 377 flow
[2021-03-11 02:31:06,678 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 8 states, 8 states have (on average 79.25) internal successors, (634), 8 states have internal predecessors, (634), 0 states have call successors, (0), 0 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 02:31:06,678 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 02:31:06,678 INFO  L255   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 02:31:06,678 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-03-11 02:31:06,678 INFO  L428      AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-11 02:31:06,679 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 02:31:06,679 INFO  L82        PathProgramCache]: Analyzing trace with hash -540707989, now seen corresponding path program 3 times
[2021-03-11 02:31:06,679 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 02:31:06,679 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338994683]
[2021-03-11 02:31:06,679 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 02:31:06,717 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 02:31:06,747 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:06,747 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 02:31:06,748 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:06,748 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 02:31:06,750 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:06,750 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 02:31:06,753 INFO  L142       QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size
[2021-03-11 02:31:06,754 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-03-11 02:31:06,763 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:06,764 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 02:31:06,770 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:06,771 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 02:31:06,776 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:06,776 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 02:31:06,777 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-03-11 02:31:06,777 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338994683]
[2021-03-11 02:31:06,777 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-11 02:31:06,777 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-03-11 02:31:06,778 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783631626]
[2021-03-11 02:31:06,778 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-03-11 02:31:06,778 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 02:31:06,778 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-03-11 02:31:06,779 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2021-03-11 02:31:06,779 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 81 out of 97
[2021-03-11 02:31:06,780 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 93 transitions, 377 flow. Second operand  has 7 states, 7 states have (on average 82.57142857142857) internal successors, (578), 7 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 02:31:06,780 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 02:31:06,780 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 97
[2021-03-11 02:31:06,780 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 02:31:07,006 INFO  L129       PetriNetUnfolder]: 365/1075 cut-off events.
[2021-03-11 02:31:07,006 INFO  L130       PetriNetUnfolder]: For 6462/6649 co-relation queries the response was YES.
[2021-03-11 02:31:07,012 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 4463 conditions, 1075 events. 365/1075 cut-off events. For 6462/6649 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 7450 event pairs, 192 based on Foata normal form. 44/1082 useless extension candidates. Maximal degree in co-relation 4387. Up to 315 conditions per place. 
[2021-03-11 02:31:07,016 INFO  L132   encePairwiseOnDemand]: 90/97 looper letters, 18 selfloop transitions, 8 changer transitions 10/112 dead transitions.
[2021-03-11 02:31:07,016 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 112 transitions, 629 flow
[2021-03-11 02:31:07,016 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-03-11 02:31:07,016 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2021-03-11 02:31:07,017 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 925 transitions.
[2021-03-11 02:31:07,018 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.8669165885660731
[2021-03-11 02:31:07,018 INFO  L72            ComplementDD]: Start complementDD. Operand 11 states and 925 transitions.
[2021-03-11 02:31:07,018 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 11 states and 925 transitions.
[2021-03-11 02:31:07,018 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 02:31:07,018 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 925 transitions.
[2021-03-11 02:31:07,020 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 12 states, 11 states have (on average 84.0909090909091) internal successors, (925), 11 states have internal predecessors, (925), 0 states have call successors, (0), 0 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 02:31:07,021 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 12 states, 12 states have (on average 97.0) internal successors, (1164), 12 states have internal predecessors, (1164), 0 states have call successors, (0), 0 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 02:31:07,021 INFO  L81            ComplementDD]: Finished complementDD. Result  has 12 states, 12 states have (on average 97.0) internal successors, (1164), 12 states have internal predecessors, (1164), 0 states have call successors, (0), 0 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 02:31:07,022 INFO  L185             Difference]: Start difference. First operand has 128 places, 93 transitions, 377 flow. Second operand 11 states and 925 transitions.
[2021-03-11 02:31:07,022 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 112 transitions, 629 flow
[2021-03-11 02:31:07,029 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 112 transitions, 567 flow, removed 29 selfloop flow, removed 7 redundant places.
[2021-03-11 02:31:07,031 INFO  L241             Difference]: Finished difference. Result has 131 places, 95 transitions, 423 flow
[2021-03-11 02:31:07,032 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=351, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=423, PETRI_PLACES=131, PETRI_TRANSITIONS=95}
[2021-03-11 02:31:07,032 INFO  L335   CegarLoopForPetriNet]: 102 programPoint places, 29 predicate places.
[2021-03-11 02:31:07,032 INFO  L480      AbstractCegarLoop]: Abstraction has has 131 places, 95 transitions, 423 flow
[2021-03-11 02:31:07,032 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 7 states, 7 states have (on average 82.57142857142857) internal successors, (578), 7 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 02:31:07,032 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 02:31:07,032 INFO  L255   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 02:31:07,032 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-03-11 02:31:07,033 INFO  L428      AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-11 02:31:07,033 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 02:31:07,033 INFO  L82        PathProgramCache]: Analyzing trace with hash 1208610591, now seen corresponding path program 1 times
[2021-03-11 02:31:07,033 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 02:31:07,033 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762722281]
[2021-03-11 02:31:07,033 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 02:31:07,062 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 02:31:07,095 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:07,096 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 02:31:07,096 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:07,096 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 02:31:07,100 INFO  L142       QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size
[2021-03-11 02:31:07,101 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-03-11 02:31:07,111 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:07,112 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 02:31:07,117 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:07,118 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 02:31:07,123 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:07,123 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 02:31:07,124 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 02:31:07,124 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762722281]
[2021-03-11 02:31:07,124 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-11 02:31:07,124 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-03-11 02:31:07,124 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796061731]
[2021-03-11 02:31:07,125 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-03-11 02:31:07,125 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 02:31:07,125 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-03-11 02:31:07,125 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-03-11 02:31:07,125 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 82 out of 97
[2021-03-11 02:31:07,126 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 95 transitions, 423 flow. Second operand  has 6 states, 6 states have (on average 83.66666666666667) internal successors, (502), 6 states have internal predecessors, (502), 0 states have call successors, (0), 0 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 02:31:07,126 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 02:31:07,126 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 97
[2021-03-11 02:31:07,126 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 02:31:07,307 INFO  L129       PetriNetUnfolder]: 242/861 cut-off events.
[2021-03-11 02:31:07,307 INFO  L130       PetriNetUnfolder]: For 5175/5349 co-relation queries the response was YES.
[2021-03-11 02:31:07,311 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 3387 conditions, 861 events. 242/861 cut-off events. For 5175/5349 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 6099 event pairs, 146 based on Foata normal form. 35/862 useless extension candidates. Maximal degree in co-relation 3309. Up to 245 conditions per place. 
[2021-03-11 02:31:07,313 INFO  L132   encePairwiseOnDemand]: 91/97 looper letters, 10 selfloop transitions, 2 changer transitions 22/106 dead transitions.
[2021-03-11 02:31:07,313 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 106 transitions, 598 flow
[2021-03-11 02:31:07,313 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-03-11 02:31:07,313 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2021-03-11 02:31:07,314 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 764 transitions.
[2021-03-11 02:31:07,315 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.8751431844215349
[2021-03-11 02:31:07,315 INFO  L72            ComplementDD]: Start complementDD. Operand 9 states and 764 transitions.
[2021-03-11 02:31:07,315 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 9 states and 764 transitions.
[2021-03-11 02:31:07,315 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 02:31:07,315 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 764 transitions.
[2021-03-11 02:31:07,317 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 10 states, 9 states have (on average 84.88888888888889) internal successors, (764), 9 states have internal predecessors, (764), 0 states have call successors, (0), 0 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 02:31:07,318 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 10 states, 10 states have (on average 97.0) internal successors, (970), 10 states have internal predecessors, (970), 0 states have call successors, (0), 0 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 02:31:07,318 INFO  L81            ComplementDD]: Finished complementDD. Result  has 10 states, 10 states have (on average 97.0) internal successors, (970), 10 states have internal predecessors, (970), 0 states have call successors, (0), 0 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 02:31:07,318 INFO  L185             Difference]: Start difference. First operand has 131 places, 95 transitions, 423 flow. Second operand 9 states and 764 transitions.
[2021-03-11 02:31:07,318 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 106 transitions, 598 flow
[2021-03-11 02:31:07,324 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 106 transitions, 524 flow, removed 34 selfloop flow, removed 7 redundant places.
[2021-03-11 02:31:07,326 INFO  L241             Difference]: Finished difference. Result has 136 places, 83 transitions, 306 flow
[2021-03-11 02:31:07,326 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=374, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=306, PETRI_PLACES=136, PETRI_TRANSITIONS=83}
[2021-03-11 02:31:07,326 INFO  L335   CegarLoopForPetriNet]: 102 programPoint places, 34 predicate places.
[2021-03-11 02:31:07,326 INFO  L480      AbstractCegarLoop]: Abstraction has has 136 places, 83 transitions, 306 flow
[2021-03-11 02:31:07,326 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 6 states, 6 states have (on average 83.66666666666667) internal successors, (502), 6 states have internal predecessors, (502), 0 states have call successors, (0), 0 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 02:31:07,326 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 02:31:07,326 INFO  L255   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 02:31:07,326 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2021-03-11 02:31:07,326 INFO  L428      AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-11 02:31:07,327 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 02:31:07,327 INFO  L82        PathProgramCache]: Analyzing trace with hash 2018742993, now seen corresponding path program 1 times
[2021-03-11 02:31:07,327 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 02:31:07,327 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419690291]
[2021-03-11 02:31:07,327 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 02:31:07,349 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 02:31:07,378 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:07,378 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 02:31:07,379 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:07,379 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 02:31:07,381 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:07,381 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 02:31:07,384 INFO  L142       QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size
[2021-03-11 02:31:07,385 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-03-11 02:31:07,396 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:07,397 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 02:31:07,403 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:07,403 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 02:31:07,410 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:07,410 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 02:31:07,410 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 02:31:07,410 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419690291]
[2021-03-11 02:31:07,410 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-11 02:31:07,410 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-03-11 02:31:07,410 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241616608]
[2021-03-11 02:31:07,411 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-03-11 02:31:07,411 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 02:31:07,411 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-03-11 02:31:07,412 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2021-03-11 02:31:07,412 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 81 out of 97
[2021-03-11 02:31:07,413 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 83 transitions, 306 flow. Second operand  has 7 states, 7 states have (on average 82.71428571428571) internal successors, (579), 7 states have internal predecessors, (579), 0 states have call successors, (0), 0 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 02:31:07,413 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 02:31:07,413 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 97
[2021-03-11 02:31:07,413 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 02:31:07,517 INFO  L129       PetriNetUnfolder]: 150/490 cut-off events.
[2021-03-11 02:31:07,517 INFO  L130       PetriNetUnfolder]: For 2917/3033 co-relation queries the response was YES.
[2021-03-11 02:31:07,520 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 1936 conditions, 490 events. 150/490 cut-off events. For 2917/3033 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 2622 event pairs, 103 based on Foata normal form. 14/477 useless extension candidates. Maximal degree in co-relation 1856. Up to 162 conditions per place. 
[2021-03-11 02:31:07,521 INFO  L132   encePairwiseOnDemand]: 89/97 looper letters, 8 selfloop transitions, 4 changer transitions 7/90 dead transitions.
[2021-03-11 02:31:07,521 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 90 transitions, 413 flow
[2021-03-11 02:31:07,522 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-03-11 02:31:07,522 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2021-03-11 02:31:07,522 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 587 transitions.
[2021-03-11 02:31:07,523 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.8645066273932254
[2021-03-11 02:31:07,523 INFO  L72            ComplementDD]: Start complementDD. Operand 7 states and 587 transitions.
[2021-03-11 02:31:07,523 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 7 states and 587 transitions.
[2021-03-11 02:31:07,523 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 02:31:07,523 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 587 transitions.
[2021-03-11 02:31:07,524 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 8 states, 7 states have (on average 83.85714285714286) internal successors, (587), 7 states have internal predecessors, (587), 0 states have call successors, (0), 0 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 02:31:07,525 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 8 states, 8 states have (on average 97.0) internal successors, (776), 8 states have internal predecessors, (776), 0 states have call successors, (0), 0 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 02:31:07,525 INFO  L81            ComplementDD]: Finished complementDD. Result  has 8 states, 8 states have (on average 97.0) internal successors, (776), 8 states have internal predecessors, (776), 0 states have call successors, (0), 0 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 02:31:07,525 INFO  L185             Difference]: Start difference. First operand has 136 places, 83 transitions, 306 flow. Second operand 7 states and 587 transitions.
[2021-03-11 02:31:07,525 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 90 transitions, 413 flow
[2021-03-11 02:31:07,528 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 90 transitions, 334 flow, removed 33 selfloop flow, removed 20 redundant places.
[2021-03-11 02:31:07,529 INFO  L241             Difference]: Finished difference. Result has 114 places, 83 transitions, 276 flow
[2021-03-11 02:31:07,529 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=276, PETRI_PLACES=114, PETRI_TRANSITIONS=83}
[2021-03-11 02:31:07,529 INFO  L335   CegarLoopForPetriNet]: 102 programPoint places, 12 predicate places.
[2021-03-11 02:31:07,530 INFO  L480      AbstractCegarLoop]: Abstraction has has 114 places, 83 transitions, 276 flow
[2021-03-11 02:31:07,530 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 7 states, 7 states have (on average 82.71428571428571) internal successors, (579), 7 states have internal predecessors, (579), 0 states have call successors, (0), 0 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 02:31:07,530 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 02:31:07,530 INFO  L255   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 02:31:07,530 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2021-03-11 02:31:07,530 INFO  L428      AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-11 02:31:07,530 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 02:31:07,530 INFO  L82        PathProgramCache]: Analyzing trace with hash 1573994206, now seen corresponding path program 1 times
[2021-03-11 02:31:07,530 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 02:31:07,531 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359569366]
[2021-03-11 02:31:07,531 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 02:31:07,551 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 02:31:07,567 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:07,568 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 02:31:07,568 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:07,568 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 02:31:07,572 INFO  L142       QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size
[2021-03-11 02:31:07,573 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23
[2021-03-11 02:31:07,583 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:07,583 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 02:31:07,589 INFO  L142       QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size
[2021-03-11 02:31:07,591 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 02:31:07,596 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:07,596 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 02:31:07,597 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 02:31:07,597 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359569366]
[2021-03-11 02:31:07,597 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-11 02:31:07,597 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-03-11 02:31:07,597 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315224177]
[2021-03-11 02:31:07,597 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-03-11 02:31:07,597 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 02:31:07,597 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-03-11 02:31:07,597 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-03-11 02:31:07,598 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 83 out of 97
[2021-03-11 02:31:07,598 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 83 transitions, 276 flow. Second operand  has 6 states, 6 states have (on average 84.16666666666667) internal successors, (505), 6 states have internal predecessors, (505), 0 states have call successors, (0), 0 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 02:31:07,598 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 02:31:07,598 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 97
[2021-03-11 02:31:07,598 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 02:31:07,730 INFO  L129       PetriNetUnfolder]: 323/923 cut-off events.
[2021-03-11 02:31:07,730 INFO  L130       PetriNetUnfolder]: For 1058/1060 co-relation queries the response was YES.
[2021-03-11 02:31:07,733 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 2182 conditions, 923 events. 323/923 cut-off events. For 1058/1060 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 6443 event pairs, 90 based on Foata normal form. 0/839 useless extension candidates. Maximal degree in co-relation 2115. Up to 186 conditions per place. 
[2021-03-11 02:31:07,736 INFO  L132   encePairwiseOnDemand]: 87/97 looper letters, 24 selfloop transitions, 17 changer transitions 0/113 dead transitions.
[2021-03-11 02:31:07,736 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 113 transitions, 418 flow
[2021-03-11 02:31:07,736 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-03-11 02:31:07,755 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 10 states.
[2021-03-11 02:31:07,756 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 873 transitions.
[2021-03-11 02:31:07,757 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.9
[2021-03-11 02:31:07,757 INFO  L72            ComplementDD]: Start complementDD. Operand 10 states and 873 transitions.
[2021-03-11 02:31:07,757 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 10 states and 873 transitions.
[2021-03-11 02:31:07,757 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 02:31:07,757 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 873 transitions.
[2021-03-11 02:31:07,758 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 11 states, 10 states have (on average 87.3) internal successors, (873), 10 states have internal predecessors, (873), 0 states have call successors, (0), 0 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 02:31:07,759 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 11 states, 11 states have (on average 97.0) internal successors, (1067), 11 states have internal predecessors, (1067), 0 states have call successors, (0), 0 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 02:31:07,760 INFO  L81            ComplementDD]: Finished complementDD. Result  has 11 states, 11 states have (on average 97.0) internal successors, (1067), 11 states have internal predecessors, (1067), 0 states have call successors, (0), 0 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 02:31:07,760 INFO  L185             Difference]: Start difference. First operand has 114 places, 83 transitions, 276 flow. Second operand 10 states and 873 transitions.
[2021-03-11 02:31:07,760 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 113 transitions, 418 flow
[2021-03-11 02:31:07,762 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 113 transitions, 400 flow, removed 4 selfloop flow, removed 7 redundant places.
[2021-03-11 02:31:07,763 INFO  L241             Difference]: Finished difference. Result has 119 places, 98 transitions, 378 flow
[2021-03-11 02:31:07,763 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=258, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=378, PETRI_PLACES=119, PETRI_TRANSITIONS=98}
[2021-03-11 02:31:07,764 INFO  L335   CegarLoopForPetriNet]: 102 programPoint places, 17 predicate places.
[2021-03-11 02:31:07,764 INFO  L480      AbstractCegarLoop]: Abstraction has has 119 places, 98 transitions, 378 flow
[2021-03-11 02:31:07,764 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 6 states, 6 states have (on average 84.16666666666667) internal successors, (505), 6 states have internal predecessors, (505), 0 states have call successors, (0), 0 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 02:31:07,764 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 02:31:07,764 INFO  L255   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 02:31:07,764 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2021-03-11 02:31:07,764 INFO  L428      AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-11 02:31:07,765 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 02:31:07,765 INFO  L82        PathProgramCache]: Analyzing trace with hash -930834254, now seen corresponding path program 1 times
[2021-03-11 02:31:07,765 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 02:31:07,765 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116893056]
[2021-03-11 02:31:07,765 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 02:31:07,784 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 02:31:07,797 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:07,798 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 02:31:07,798 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:07,798 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 02:31:07,800 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:07,800 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 02:31:07,803 INFO  L142       QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size
[2021-03-11 02:31:07,803 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23
[2021-03-11 02:31:07,813 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:07,814 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 02:31:07,819 INFO  L142       QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size
[2021-03-11 02:31:07,820 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 02:31:07,826 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:07,826 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 02:31:07,826 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 02:31:07,826 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116893056]
[2021-03-11 02:31:07,826 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-11 02:31:07,826 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-03-11 02:31:07,826 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735635950]
[2021-03-11 02:31:07,827 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-03-11 02:31:07,827 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 02:31:07,827 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-03-11 02:31:07,827 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2021-03-11 02:31:07,827 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 83 out of 97
[2021-03-11 02:31:07,828 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 98 transitions, 378 flow. Second operand  has 7 states, 7 states have (on average 84.14285714285714) internal successors, (589), 7 states have internal predecessors, (589), 0 states have call successors, (0), 0 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 02:31:07,828 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 02:31:07,828 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 97
[2021-03-11 02:31:07,828 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 02:31:07,990 INFO  L129       PetriNetUnfolder]: 243/801 cut-off events.
[2021-03-11 02:31:07,990 INFO  L130       PetriNetUnfolder]: For 1561/2010 co-relation queries the response was YES.
[2021-03-11 02:31:07,993 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 2523 conditions, 801 events. 243/801 cut-off events. For 1561/2010 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 5821 event pairs, 12 based on Foata normal form. 120/864 useless extension candidates. Maximal degree in co-relation 2454. Up to 235 conditions per place. 
[2021-03-11 02:31:07,995 INFO  L132   encePairwiseOnDemand]: 87/97 looper letters, 20 selfloop transitions, 32 changer transitions 9/133 dead transitions.
[2021-03-11 02:31:07,996 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 133 transitions, 724 flow
[2021-03-11 02:31:07,996 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2021-03-11 02:31:07,996 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 13 states.
[2021-03-11 02:31:07,998 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1136 transitions.
[2021-03-11 02:31:07,998 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.9008723235527359
[2021-03-11 02:31:07,998 INFO  L72            ComplementDD]: Start complementDD. Operand 13 states and 1136 transitions.
[2021-03-11 02:31:07,999 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 13 states and 1136 transitions.
[2021-03-11 02:31:07,999 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 02:31:07,999 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1136 transitions.
[2021-03-11 02:31:08,002 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 14 states, 13 states have (on average 87.38461538461539) internal successors, (1136), 13 states have internal predecessors, (1136), 0 states have call successors, (0), 0 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 02:31:08,004 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 14 states, 14 states have (on average 97.0) internal successors, (1358), 14 states have internal predecessors, (1358), 0 states have call successors, (0), 0 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 02:31:08,004 INFO  L81            ComplementDD]: Finished complementDD. Result  has 14 states, 14 states have (on average 97.0) internal successors, (1358), 14 states have internal predecessors, (1358), 0 states have call successors, (0), 0 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 02:31:08,005 INFO  L185             Difference]: Start difference. First operand has 119 places, 98 transitions, 378 flow. Second operand 13 states and 1136 transitions.
[2021-03-11 02:31:08,005 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 133 transitions, 724 flow
[2021-03-11 02:31:08,007 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 133 transitions, 722 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-03-11 02:31:08,012 INFO  L241             Difference]: Finished difference. Result has 134 places, 118 transitions, 619 flow
[2021-03-11 02:31:08,012 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=619, PETRI_PLACES=134, PETRI_TRANSITIONS=118}
[2021-03-11 02:31:08,012 INFO  L335   CegarLoopForPetriNet]: 102 programPoint places, 32 predicate places.
[2021-03-11 02:31:08,012 INFO  L480      AbstractCegarLoop]: Abstraction has has 134 places, 118 transitions, 619 flow
[2021-03-11 02:31:08,012 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 7 states, 7 states have (on average 84.14285714285714) internal successors, (589), 7 states have internal predecessors, (589), 0 states have call successors, (0), 0 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 02:31:08,012 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 02:31:08,012 INFO  L255   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 02:31:08,012 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2021-03-11 02:31:08,013 INFO  L428      AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-11 02:31:08,013 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 02:31:08,013 INFO  L82        PathProgramCache]: Analyzing trace with hash 1674448153, now seen corresponding path program 1 times
[2021-03-11 02:31:08,013 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 02:31:08,013 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486595008]
[2021-03-11 02:31:08,013 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 02:31:08,047 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 02:31:08,066 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:08,066 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 02:31:08,068 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:08,068 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 02:31:08,069 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:08,070 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 02:31:08,072 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:08,072 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 02:31:08,075 INFO  L142       QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size
[2021-03-11 02:31:08,076 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23
[2021-03-11 02:31:08,086 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:08,087 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 02:31:08,092 INFO  L142       QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size
[2021-03-11 02:31:08,093 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 02:31:08,102 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:08,104 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 02:31:08,104 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 02:31:08,104 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486595008]
[2021-03-11 02:31:08,104 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-11 02:31:08,104 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-03-11 02:31:08,104 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355881228]
[2021-03-11 02:31:08,104 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 8 states
[2021-03-11 02:31:08,104 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 02:31:08,105 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-03-11 02:31:08,105 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2021-03-11 02:31:08,105 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 83 out of 97
[2021-03-11 02:31:08,106 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 118 transitions, 619 flow. Second operand  has 8 states, 8 states have (on average 84.125) internal successors, (673), 8 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 02:31:08,106 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 02:31:08,106 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 97
[2021-03-11 02:31:08,106 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 02:31:08,317 INFO  L129       PetriNetUnfolder]: 197/711 cut-off events.
[2021-03-11 02:31:08,317 INFO  L130       PetriNetUnfolder]: For 2996/3921 co-relation queries the response was YES.
[2021-03-11 02:31:08,320 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 2619 conditions, 711 events. 197/711 cut-off events. For 2996/3921 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 5399 event pairs, 2 based on Foata normal form. 140/795 useless extension candidates. Maximal degree in co-relation 2575. Up to 197 conditions per place. 
[2021-03-11 02:31:08,322 INFO  L132   encePairwiseOnDemand]: 87/97 looper letters, 16 selfloop transitions, 36 changer transitions 20/144 dead transitions.
[2021-03-11 02:31:08,322 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 144 transitions, 937 flow
[2021-03-11 02:31:08,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2021-03-11 02:31:08,322 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 16 states.
[2021-03-11 02:31:08,324 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1384 transitions.
[2021-03-11 02:31:08,324 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.8917525773195877
[2021-03-11 02:31:08,324 INFO  L72            ComplementDD]: Start complementDD. Operand 16 states and 1384 transitions.
[2021-03-11 02:31:08,324 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 16 states and 1384 transitions.
[2021-03-11 02:31:08,325 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 02:31:08,325 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1384 transitions.
[2021-03-11 02:31:08,327 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 17 states, 16 states have (on average 86.5) internal successors, (1384), 16 states have internal predecessors, (1384), 0 states have call successors, (0), 0 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 02:31:08,329 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 17 states, 17 states have (on average 97.0) internal successors, (1649), 17 states have internal predecessors, (1649), 0 states have call successors, (0), 0 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 02:31:08,329 INFO  L81            ComplementDD]: Finished complementDD. Result  has 17 states, 17 states have (on average 97.0) internal successors, (1649), 17 states have internal predecessors, (1649), 0 states have call successors, (0), 0 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 02:31:08,329 INFO  L185             Difference]: Start difference. First operand has 134 places, 118 transitions, 619 flow. Second operand 16 states and 1384 transitions.
[2021-03-11 02:31:08,329 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 144 transitions, 937 flow
[2021-03-11 02:31:08,337 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 144 transitions, 753 flow, removed 75 selfloop flow, removed 12 redundant places.
[2021-03-11 02:31:08,338 INFO  L241             Difference]: Finished difference. Result has 144 places, 118 transitions, 585 flow
[2021-03-11 02:31:08,339 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=467, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=585, PETRI_PLACES=144, PETRI_TRANSITIONS=118}
[2021-03-11 02:31:08,339 INFO  L335   CegarLoopForPetriNet]: 102 programPoint places, 42 predicate places.
[2021-03-11 02:31:08,339 INFO  L480      AbstractCegarLoop]: Abstraction has has 144 places, 118 transitions, 585 flow
[2021-03-11 02:31:08,339 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 8 states, 8 states have (on average 84.125) internal successors, (673), 8 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 02:31:08,339 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 02:31:08,339 INFO  L255   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 02:31:08,339 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2021-03-11 02:31:08,339 INFO  L428      AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-11 02:31:08,340 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 02:31:08,340 INFO  L82        PathProgramCache]: Analyzing trace with hash 1723891726, now seen corresponding path program 1 times
[2021-03-11 02:31:08,340 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 02:31:08,340 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977818981]
[2021-03-11 02:31:08,340 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 02:31:08,377 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 02:31:08,467 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:08,467 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 02:31:08,468 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:08,468 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 02:31:08,470 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:08,470 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 02:31:08,475 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:08,475 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-03-11 02:31:08,482 INFO  L142       QuantifierPusher]: treesize reduction 9, result has 76.9 percent of original size
[2021-03-11 02:31:08,483 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30
[2021-03-11 02:31:08,497 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:08,497 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22
[2021-03-11 02:31:08,508 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:08,509 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26
[2021-03-11 02:31:08,521 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:08,522 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20
[2021-03-11 02:31:08,535 INFO  L142       QuantifierPusher]: treesize reduction 29, result has 56.7 percent of original size
[2021-03-11 02:31:08,538 INFO  L147       QuantifierPusher]: treesize reduction 8, result has 78.9 percent of original size 30
[2021-03-11 02:31:08,558 INFO  L142       QuantifierPusher]: treesize reduction 17, result has 70.7 percent of original size
[2021-03-11 02:31:08,558 INFO  L147       QuantifierPusher]: treesize reduction 9, result has 78.0 percent of original size 32
[2021-03-11 02:31:08,577 INFO  L142       QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size
[2021-03-11 02:31:08,578 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-03-11 02:31:08,593 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:08,593 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 02:31:08,603 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:08,604 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-11 02:31:08,614 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 02:31:08,614 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 02:31:08,615 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 02:31:08,615 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977818981]
[2021-03-11 02:31:08,615 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-11 02:31:08,615 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2021-03-11 02:31:08,615 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723733299]
[2021-03-11 02:31:08,615 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 14 states
[2021-03-11 02:31:08,615 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 02:31:08,616 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2021-03-11 02:31:08,616 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182
[2021-03-11 02:31:08,617 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 70 out of 97
[2021-03-11 02:31:08,617 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 118 transitions, 585 flow. Second operand  has 14 states, 14 states have (on average 71.57142857142857) internal successors, (1002), 14 states have internal predecessors, (1002), 0 states have call successors, (0), 0 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 02:31:08,617 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 02:31:08,617 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 97
[2021-03-11 02:31:08,618 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 02:31:08,913 INFO  L129       PetriNetUnfolder]: 175/807 cut-off events.
[2021-03-11 02:31:08,913 INFO  L130       PetriNetUnfolder]: For 1643/1701 co-relation queries the response was YES.
[2021-03-11 02:31:08,916 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 2395 conditions, 807 events. 175/807 cut-off events. For 1643/1701 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 6821 event pairs, 1 based on Foata normal form. 6/774 useless extension candidates. Maximal degree in co-relation 2334. Up to 84 conditions per place. 
[2021-03-11 02:31:08,918 INFO  L132   encePairwiseOnDemand]: 87/97 looper letters, 21 selfloop transitions, 5 changer transitions 9/128 dead transitions.
[2021-03-11 02:31:08,918 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 128 transitions, 713 flow
[2021-03-11 02:31:08,918 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-03-11 02:31:08,918 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2021-03-11 02:31:08,919 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 803 transitions.
[2021-03-11 02:31:08,919 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.7525773195876289
[2021-03-11 02:31:08,919 INFO  L72            ComplementDD]: Start complementDD. Operand 11 states and 803 transitions.
[2021-03-11 02:31:08,919 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 11 states and 803 transitions.
[2021-03-11 02:31:08,920 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 02:31:08,920 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 803 transitions.
[2021-03-11 02:31:08,922 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 12 states, 11 states have (on average 73.0) internal successors, (803), 11 states have internal predecessors, (803), 0 states have call successors, (0), 0 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 02:31:08,923 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 12 states, 12 states have (on average 97.0) internal successors, (1164), 12 states have internal predecessors, (1164), 0 states have call successors, (0), 0 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 02:31:08,923 INFO  L81            ComplementDD]: Finished complementDD. Result  has 12 states, 12 states have (on average 97.0) internal successors, (1164), 12 states have internal predecessors, (1164), 0 states have call successors, (0), 0 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 02:31:08,923 INFO  L185             Difference]: Start difference. First operand has 144 places, 118 transitions, 585 flow. Second operand 11 states and 803 transitions.
[2021-03-11 02:31:08,923 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 128 transitions, 713 flow
[2021-03-11 02:31:08,932 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 128 transitions, 620 flow, removed 22 selfloop flow, removed 14 redundant places.
[2021-03-11 02:31:08,933 INFO  L241             Difference]: Finished difference. Result has 142 places, 117 transitions, 532 flow
[2021-03-11 02:31:08,934 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=516, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=532, PETRI_PLACES=142, PETRI_TRANSITIONS=117}
[2021-03-11 02:31:08,934 INFO  L335   CegarLoopForPetriNet]: 102 programPoint places, 40 predicate places.
[2021-03-11 02:31:08,934 INFO  L480      AbstractCegarLoop]: Abstraction has has 142 places, 117 transitions, 532 flow
[2021-03-11 02:31:08,934 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 14 states, 14 states have (on average 71.57142857142857) internal successors, (1002), 14 states have internal predecessors, (1002), 0 states have call successors, (0), 0 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 02:31:08,934 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 02:31:08,934 INFO  L255   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 02:31:08,934 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2021-03-11 02:31:08,934 INFO  L428      AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-11 02:31:08,935 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 02:31:08,935 INFO  L82        PathProgramCache]: Analyzing trace with hash -1808310402, now seen corresponding path program 2 times
[2021-03-11 02:31:08,935 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 02:31:08,935 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393968931]
[2021-03-11 02:31:08,935 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 02:31:08,970 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-03-11 02:31:08,971 INFO  L223             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-03-11 02:31:09,014 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-03-11 02:31:09,015 INFO  L223             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-03-11 02:31:09,051 INFO  L173   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-03-11 02:31:09,051 INFO  L620         BasicCegarLoop]: Counterexample might be feasible
[2021-03-11 02:31:09,051 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2021-03-11 02:31:09,151 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 02:31:09 BasicIcfg
[2021-03-11 02:31:09,151 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-03-11 02:31:09,154 INFO  L168              Benchmark]: Toolchain (without parser) took 6894.57 ms. Allocated memory was 255.9 MB in the beginning and 553.6 MB in the end (delta: 297.8 MB). Free memory was 236.7 MB in the beginning and 335.7 MB in the end (delta: -99.0 MB). Peak memory consumption was 198.4 MB. Max. memory is 16.0 GB.
[2021-03-11 02:31:09,154 INFO  L168              Benchmark]: CDTParser took 0.70 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 02:31:09,154 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 413.54 ms. Allocated memory was 255.9 MB in the beginning and 371.2 MB in the end (delta: 115.3 MB). Free memory was 236.0 MB in the beginning and 331.3 MB in the end (delta: -95.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB.
[2021-03-11 02:31:09,154 INFO  L168              Benchmark]: Boogie Procedure Inliner took 52.07 ms. Allocated memory is still 371.2 MB. Free memory was 331.3 MB in the beginning and 327.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB.
[2021-03-11 02:31:09,155 INFO  L168              Benchmark]: Boogie Preprocessor took 21.04 ms. Allocated memory is still 371.2 MB. Free memory was 327.9 MB in the beginning and 325.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
[2021-03-11 02:31:09,155 INFO  L168              Benchmark]: RCFGBuilder took 1365.12 ms. Allocated memory is still 371.2 MB. Free memory was 325.8 MB in the beginning and 226.7 MB in the end (delta: 99.1 MB). Peak memory consumption was 103.1 MB. Max. memory is 16.0 GB.
[2021-03-11 02:31:09,155 INFO  L168              Benchmark]: TraceAbstraction took 5036.31 ms. Allocated memory was 371.2 MB in the beginning and 553.6 MB in the end (delta: 182.5 MB). Free memory was 226.7 MB in the beginning and 335.7 MB in the end (delta: -109.0 MB). Peak memory consumption was 73.4 MB. Max. memory is 16.0 GB.
[2021-03-11 02:31:09,159 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.70 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.
 * CACSL2BoogieTranslator took 413.54 ms. Allocated memory was 255.9 MB in the beginning and 371.2 MB in the end (delta: 115.3 MB). Free memory was 236.0 MB in the beginning and 331.3 MB in the end (delta: -95.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB.
 * Boogie Procedure Inliner took 52.07 ms. Allocated memory is still 371.2 MB. Free memory was 331.3 MB in the beginning and 327.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB.
 * Boogie Preprocessor took 21.04 ms. Allocated memory is still 371.2 MB. Free memory was 327.9 MB in the beginning and 325.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
 * RCFGBuilder took 1365.12 ms. Allocated memory is still 371.2 MB. Free memory was 325.8 MB in the beginning and 226.7 MB in the end (delta: 99.1 MB). Peak memory consumption was 103.1 MB. Max. memory is 16.0 GB.
 * TraceAbstraction took 5036.31 ms. Allocated memory was 371.2 MB in the beginning and 553.6 MB in the end (delta: 182.5 MB). Free memory was 226.7 MB in the beginning and 335.7 MB in the end (delta: -109.0 MB). Peak memory consumption was 73.4 MB. Max. memory is 16.0 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - CounterExampleResult [Line: 18]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L709]               0  int __unbuffered_cnt = 0;
        VAL             [__unbuffered_cnt=0]
[L711]               0  int __unbuffered_p2_EAX = 0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0]
[L713]               0  int __unbuffered_p2_EBX = 0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0]
[L714]               0  _Bool main$tmp_guard0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0]
[L715]               0  _Bool main$tmp_guard1;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0]
[L717]               0  int x = 0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0]
[L718]               0  _Bool x$flush_delayed;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0]
[L719]               0  int x$mem_tmp;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0]
[L720]               0  _Bool x$r_buff0_thd0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0]
[L721]               0  _Bool x$r_buff0_thd1;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0]
[L722]               0  _Bool x$r_buff0_thd2;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0]
[L723]               0  _Bool x$r_buff0_thd3;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0]
[L724]               0  _Bool x$r_buff1_thd0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0]
[L725]               0  _Bool x$r_buff1_thd1;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0]
[L726]               0  _Bool x$r_buff1_thd2;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0]
[L727]               0  _Bool x$r_buff1_thd3;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0]
[L728]               0  _Bool x$read_delayed;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0]
[L729]               0  int *x$read_delayed_var;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}]
[L730]               0  int x$w_buff0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0]
[L731]               0  _Bool x$w_buff0_used;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0]
[L732]               0  int x$w_buff1;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0]
[L733]               0  _Bool x$w_buff1_used;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0]
[L735]               0  int y = 0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0]
[L736]               0  _Bool weak$$choice0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0]
[L737]               0  _Bool weak$$choice2;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0]
[L818]               0  pthread_t t1888;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0]
[L819]  FCALL, FORK  0  pthread_create(&t1888, ((void *)0), P0, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0]
[L820]               0  pthread_t t1889;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0]
[L821]  FCALL, FORK  0  pthread_create(&t1889, ((void *)0), P1, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0]
[L761]               2  x$w_buff1 = x$w_buff0
[L762]               2  x$w_buff0 = 2
[L763]               2  x$w_buff1_used = x$w_buff0_used
[L764]               2  x$w_buff0_used = (_Bool)1
[L18]   COND FALSE   2  !(!expression)
[L766]               2  x$r_buff1_thd0 = x$r_buff0_thd0
[L767]               2  x$r_buff1_thd1 = x$r_buff0_thd1
[L768]               2  x$r_buff1_thd2 = x$r_buff0_thd2
[L769]               2  x$r_buff1_thd3 = x$r_buff0_thd3
[L770]               2  x$r_buff0_thd2 = (_Bool)1
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0]
[L773]               2  y = 1
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1]
[L822]               0  pthread_t t1890;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1]
[L823]  FCALL, FORK  0  pthread_create(&t1890, ((void *)0), P2, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1]
[L790]               3  __unbuffered_p2_EAX = y
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1]
[L793]               3  __unbuffered_p2_EBX = y
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1]
[L741]               1  y = 2
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2]
[L744]               1  x = 1
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2]
[L747]  EXPR         1  x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x)
[L747]  EXPR         1  x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x
[L747]  EXPR         1  x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x)
[L747]               1  x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x)
[L748]  EXPR         1  x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used
[L748]               1  x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used
[L749]  EXPR         1  x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used
[L749]               1  x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used
[L750]  EXPR         1  x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1
[L750]               1  x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1
[L751]  EXPR         1  x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1
[L751]               1  x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1
[L776]  EXPR         2  x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x)
[L776]               2  x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x)
[L777]  EXPR         2  x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used
[L777]               2  x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used
[L778]  EXPR         2  x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used
[L778]               2  x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used
[L779]  EXPR         2  x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2
[L779]               2  x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2
[L780]  EXPR         2  x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2
[L780]               2  x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2
[L796]  EXPR         3  x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x)
[L796]  EXPR         3  x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x
[L796]  EXPR         3  x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x)
[L796]               3  x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x)
[L797]  EXPR         3  x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used
[L797]               3  x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used
[L798]  EXPR         3  x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used
[L798]               3  x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used
[L799]  EXPR         3  x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3
[L799]               3  x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3
[L800]  EXPR         3  x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3
[L800]               3  x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3
[L783]               2  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [__unbuffered_cnt=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2]
[L754]               1  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [__unbuffered_cnt=2, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2]
[L803]               3  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [__unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2]
[L825]               0  main$tmp_guard0 = __unbuffered_cnt == 3
        VAL             [__unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2]
[L3]    COND FALSE   0  !(!cond)
        VAL             [__unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2]
[L829]  EXPR         0  x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x)
[L829]  EXPR         0  x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x
[L829]  EXPR         0  x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x)
[L829]               0  x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x)
[L830]  EXPR         0  x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used
[L830]               0  x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used
[L831]  EXPR         0  x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used
[L831]               0  x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used
[L832]  EXPR         0  x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0
[L832]               0  x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0
[L833]  EXPR         0  x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0
[L833]               0  x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0
[L836]               0  weak$$choice0 = __VERIFIER_nondet_bool()
[L837]               0  weak$$choice2 = __VERIFIER_nondet_bool()
[L838]               0  x$flush_delayed = weak$$choice2
[L839]               0  x$mem_tmp = x
[L840]  EXPR         0  !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1)
[L840]               0  x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1)
[L841]  EXPR         0  weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0))
[L841]               0  x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0))
[L842]  EXPR         0  weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1))
[L842]               0  x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1))
[L843]  EXPR         0  weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used))
[L843]               0  x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used))
[L844]  EXPR         0  weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0))
[L844]               0  x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0))
[L845]  EXPR         0  weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0))
[L845]               0  x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0))
[L846]  EXPR         0  weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0))
[L846]               0  x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0))
[L847]               0  main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 1)
[L848]  EXPR         0  x$flush_delayed ? x$mem_tmp : x
[L848]               0  x = x$flush_delayed ? x$mem_tmp : x
[L849]               0  x$flush_delayed = (_Bool)0
        VAL             [__unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2]
[L18]   COND TRUE    0  !expression
        VAL             [__unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2]
[L18]                0  reach_error()
        VAL             [__unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 4 procedures, 96 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 12.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 4846.4ms, OverallIterations: 14, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 2886.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 53.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 140 SDtfs, 394 SDslu, 494 SDs, 0 SdLazy, 728 SolverSat, 183 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 572.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 171 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 1238.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=619occurred in iteration=11, InterpolantAutomatonStates: 133, 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: 46.0ms SsaConstructionTime, 457.0ms SatisfiabilityAnalysisTime, 1150.1ms InterpolantComputationTime, 899 NumberOfCodeBlocks, 899 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 813 ConstructedInterpolants, 0 QuantifiedInterpolants, 3063 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...