/usr/bin/java -Xmx8000000000 -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/safe026_power.oepc.i


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


This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad
[2021-06-13 07:33:42,185 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-06-13 07:33:42,186 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-06-13 07:33:42,211 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-06-13 07:33:42,211 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-06-13 07:33:42,214 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-06-13 07:33:42,216 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2021-06-13 07:33:42,223 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-06-13 07:33:42,234 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2021-06-13 07:33:42,238 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-06-13 07:33:42,238 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-06-13 07:33:42,241 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-06-13 07:33:42,243 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-06-13 07:33:42,244 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-06-13 07:33:42,244 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-06-13 07:33:42,246 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-06-13 07:33:42,249 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-06-13 07:33:42,252 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-06-13 07:33:42,253 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-06-13 07:33:42,254 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-06-13 07:33:42,254 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-06-13 07:33:42,255 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-06-13 07:33:42,256 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-06-13 07:33:42,257 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-06-13 07:33:42,257 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-06-13 07:33:42,257 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-06-13 07:33:42,258 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-06-13 07:33:42,258 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-06-13 07:33:42,258 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-06-13 07:33:42,259 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-06-13 07:33:42,259 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-06-13 07:33:42,260 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-06-13 07:33:42,260 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-06-13 07:33:42,261 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-06-13 07:33:42,261 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2021-06-13 07:33:42,261 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-06-13 07:33:42,262 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-06-13 07:33:42,262 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-06-13 07:33:42,268 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf
[2021-06-13 07:33:42,298 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-06-13 07:33:42,298 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-06-13 07:33:42,301 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-06-13 07:33:42,301 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-06-13 07:33:42,301 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-06-13 07:33:42,301 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-06-13 07:33:42,301 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-06-13 07:33:42,301 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-06-13 07:33:42,302 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-06-13 07:33:42,302 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-06-13 07:33:42,302 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-06-13 07:33:42,303 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-06-13 07:33:42,303 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-06-13 07:33:42,303 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-06-13 07:33:42,303 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-06-13 07:33:42,303 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-06-13 07:33:42,303 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-06-13 07:33:42,303 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-06-13 07:33:42,303 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-06-13 07:33:42,304 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2021-06-13 07:33:42,304 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-06-13 07:33:42,304 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-06-13 07:33:42,304 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-06-13 07:33:42,304 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-06-13 07:33:42,304 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-06-13 07:33:42,304 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-06-13 07:33:42,305 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-06-13 07:33:42,305 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-06-13 07:33:42,305 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2021-06-13 07:33:42,305 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-06-13 07:33:42,542 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-06-13 07:33:42,561 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-06-13 07:33:42,563 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-06-13 07:33:42,563 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-06-13 07:33:42,564 INFO  L275        PluginConnector]: CDTParser initialized
[2021-06-13 07:33:42,564 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe026_power.oepc.i
[2021-06-13 07:33:42,613 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf43bb908/b37f13d2e358412b9c85e55a3fa916bd/FLAGff4d3bc87
[2021-06-13 07:33:43,052 INFO  L306              CDTParser]: Found 1 translation units.
[2021-06-13 07:33:43,052 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe026_power.oepc.i
[2021-06-13 07:33:43,060 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf43bb908/b37f13d2e358412b9c85e55a3fa916bd/FLAGff4d3bc87
[2021-06-13 07:33:43,354 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf43bb908/b37f13d2e358412b9c85e55a3fa916bd
[2021-06-13 07:33:43,356 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-06-13 07:33:43,357 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2021-06-13 07:33:43,359 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-06-13 07:33:43,359 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-06-13 07:33:43,362 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-06-13 07:33:43,362 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 07:33:43" (1/1) ...
[2021-06-13 07:33:43,365 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21d8a58a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:33:43, skipping insertion in model container
[2021-06-13 07:33:43,365 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 07:33:43" (1/1) ...
[2021-06-13 07:33:43,369 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-06-13 07:33:43,407 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-06-13 07:33:43,505 WARN  L224   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe026_power.oepc.i[952,965]
[2021-06-13 07:33:43,662 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-06-13 07:33:43,670 INFO  L203         MainTranslator]: Completed pre-run
[2021-06-13 07:33:43,677 WARN  L224   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe026_power.oepc.i[952,965]
[2021-06-13 07:33:43,717 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-06-13 07:33:43,760 INFO  L208         MainTranslator]: Completed translation
[2021-06-13 07:33:43,760 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:33:43 WrapperNode
[2021-06-13 07:33:43,760 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-06-13 07:33:43,761 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-06-13 07:33:43,761 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-06-13 07:33:43,761 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-06-13 07:33:43,768 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:33:43" (1/1) ...
[2021-06-13 07:33:43,779 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:33:43" (1/1) ...
[2021-06-13 07:33:43,799 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-06-13 07:33:43,799 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-06-13 07:33:43,799 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-06-13 07:33:43,799 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-06-13 07:33:43,807 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:33:43" (1/1) ...
[2021-06-13 07:33:43,808 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:33:43" (1/1) ...
[2021-06-13 07:33:43,825 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:33:43" (1/1) ...
[2021-06-13 07:33:43,826 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:33:43" (1/1) ...
[2021-06-13 07:33:43,833 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:33:43" (1/1) ...
[2021-06-13 07:33:43,835 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:33:43" (1/1) ...
[2021-06-13 07:33:43,839 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:33:43" (1/1) ...
[2021-06-13 07:33:43,845 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-06-13 07:33:43,846 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-06-13 07:33:43,846 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-06-13 07:33:43,846 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-06-13 07:33:43,847 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:33:43" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-06-13 07:33:43,916 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-06-13 07:33:43,917 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2021-06-13 07:33:43,918 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-06-13 07:33:43,918 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-06-13 07:33:43,918 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2021-06-13 07:33:43,919 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2021-06-13 07:33:43,919 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2021-06-13 07:33:43,920 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2021-06-13 07:33:43,920 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2021-06-13 07:33:43,920 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2021-06-13 07:33:43,920 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-06-13 07:33:43,920 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2021-06-13 07:33:43,920 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-06-13 07:33:43,920 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-06-13 07:33:43,922 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-06-13 07:33:45,238 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-06-13 07:33:45,238 INFO  L299             CfgBuilder]: Removed 10 assume(true) statements.
[2021-06-13 07:33:45,239 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 07:33:45 BoogieIcfgContainer
[2021-06-13 07:33:45,240 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-06-13 07:33:45,241 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-06-13 07:33:45,241 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-06-13 07:33:45,242 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-06-13 07:33:45,242 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.06 07:33:43" (1/3) ...
[2021-06-13 07:33:45,243 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a94eb8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 07:33:45, skipping insertion in model container
[2021-06-13 07:33:45,243 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:33:43" (2/3) ...
[2021-06-13 07:33:45,243 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a94eb8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 07:33:45, skipping insertion in model container
[2021-06-13 07:33:45,243 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 07:33:45" (3/3) ...
[2021-06-13 07:33:45,244 INFO  L111   eAbstractionObserver]: Analyzing ICFG safe026_power.oepc.i
[2021-06-13 07:33:45,248 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-06-13 07:33:45,249 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2021-06-13 07:33:45,249 INFO  L471   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-06-13 07:33:45,272 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,272 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,272 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,272 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,272 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,272 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,272 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,273 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,273 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,273 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,273 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,273 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,273 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,273 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,273 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,273 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,273 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,274 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,274 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,274 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,274 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,274 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,274 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,274 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,274 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,274 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,274 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,274 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,275 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,275 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,275 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,275 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,275 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,275 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,275 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,275 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,276 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,276 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,276 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,276 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,276 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,276 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,276 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,276 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,276 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,276 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,276 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,276 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,276 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,277 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,277 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,277 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,277 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,277 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,277 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,277 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,277 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,278 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,278 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,278 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,278 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,278 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,278 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,278 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,278 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,278 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,278 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,278 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,278 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,279 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,279 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,279 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,279 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,279 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,279 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,279 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,279 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,279 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,279 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,279 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,279 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,279 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,279 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,280 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,280 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,280 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,280 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,280 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,280 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,280 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,280 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,280 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,280 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,280 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,280 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,280 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,280 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,280 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,281 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,281 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,281 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,281 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,281 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,281 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,281 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,281 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,282 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,282 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,282 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,283 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,283 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,283 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,283 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,283 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,283 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,283 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,283 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,283 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,283 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,283 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,283 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,283 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,283 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,283 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,283 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,284 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,284 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,284 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,284 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,284 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,284 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,284 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,284 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,284 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,284 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,284 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,284 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,284 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,284 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,284 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,284 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,285 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,285 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,285 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,286 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,286 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,286 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,286 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,286 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,286 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,286 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,287 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,287 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,287 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,287 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,287 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,287 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,287 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,287 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,287 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,287 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,288 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,289 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,289 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,289 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,289 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,289 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,289 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,289 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,289 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,290 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,290 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,291 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,291 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,291 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,291 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,291 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,291 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,291 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,291 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,292 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,292 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,292 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,292 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,292 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,292 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,292 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,292 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,292 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,292 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,292 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,292 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,292 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,292 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,293 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,293 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,293 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,293 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,293 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,293 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,293 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,293 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,293 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,293 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,293 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,294 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,294 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,294 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,294 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,295 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,295 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,295 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,295 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,295 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,295 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,295 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,295 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:33:45,296 INFO  L149    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-06-13 07:33:45,309 INFO  L255      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-06-13 07:33:45,321 INFO  L378      AbstractCegarLoop]: Interprodecural is true
[2021-06-13 07:33:45,322 INFO  L379      AbstractCegarLoop]: Hoare is false
[2021-06-13 07:33:45,322 INFO  L380      AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-06-13 07:33:45,322 INFO  L381      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-06-13 07:33:45,322 INFO  L382      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-06-13 07:33:45,322 INFO  L383      AbstractCegarLoop]: Difference is false
[2021-06-13 07:33:45,322 INFO  L384      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-06-13 07:33:45,322 INFO  L388      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == P0========
[2021-06-13 07:33:45,330 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 113 places, 105 transitions, 225 flow
[2021-06-13 07:33:45,355 INFO  L129       PetriNetUnfolder]: 2/102 cut-off events.
[2021-06-13 07:33:45,356 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-06-13 07:33:45,358 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 112 conditions, 102 events. 2/102 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. 
[2021-06-13 07:33:45,359 INFO  L82        GeneralOperation]: Start removeDead. Operand has 113 places, 105 transitions, 225 flow
[2021-06-13 07:33:45,360 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow
[2021-06-13 07:33:45,361 INFO  L129       PetriNetUnfolder]: 0/0 cut-off events.
[2021-06-13 07:33:45,361 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-06-13 07:33:45,361 INFO  L301   ceAbstractionStarter]: Result for error location P0 was SAFE (1/3)
[2021-06-13 07:33:45,362 INFO  L255      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2021-06-13 07:33:45,364 INFO  L378      AbstractCegarLoop]: Interprodecural is true
[2021-06-13 07:33:45,364 INFO  L379      AbstractCegarLoop]: Hoare is false
[2021-06-13 07:33:45,364 INFO  L380      AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-06-13 07:33:45,364 INFO  L381      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-06-13 07:33:45,364 INFO  L382      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-06-13 07:33:45,364 INFO  L383      AbstractCegarLoop]: Difference is false
[2021-06-13 07:33:45,364 INFO  L384      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-06-13 07:33:45,364 INFO  L388      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start========
[2021-06-13 07:33:45,366 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 113 places, 105 transitions, 225 flow
[2021-06-13 07:33:45,384 INFO  L129       PetriNetUnfolder]: 2/102 cut-off events.
[2021-06-13 07:33:45,385 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-06-13 07:33:45,385 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 112 conditions, 102 events. 2/102 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. 
[2021-06-13 07:33:45,385 INFO  L82        GeneralOperation]: Start removeDead. Operand has 113 places, 105 transitions, 225 flow
[2021-06-13 07:33:45,387 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 99 places, 90 transitions, 189 flow
[2021-06-13 07:33:45,404 INFO  L129       PetriNetUnfolder]: 1/89 cut-off events.
[2021-06-13 07:33:45,404 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-06-13 07:33:45,404 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-06-13 07:33:45,405 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]
[2021-06-13 07:33:45,405 INFO  L430      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-13 07:33:45,412 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-13 07:33:45,412 INFO  L82        PathProgramCache]: Analyzing trace with hash 1350839765, now seen corresponding path program 1 times
[2021-06-13 07:33:45,418 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-13 07:33:45,418 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433455428]
[2021-06-13 07:33:45,419 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-13 07:33:45,570 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-13 07:33:45,693 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:33:45,693 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:33:45,694 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:33:45,694 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-06-13 07:33:45,704 INFO  L142       QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size
[2021-06-13 07:33:45,705 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13
[2021-06-13 07:33:45,712 INFO  L142       QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size
[2021-06-13 07:33:45,713 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-06-13 07:33:45,725 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:33:45,726 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:33:45,740 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:33:45,742 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:33:45,749 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:33:45,750 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:33:45,754 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-13 07:33:45,755 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-13 07:33:45,756 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433455428]
[2021-06-13 07:33:45,756 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433455428] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-13 07:33:45,756 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-13 07:33:45,756 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-06-13 07:33:45,757 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32971835]
[2021-06-13 07:33:45,762 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-06-13 07:33:45,763 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-13 07:33:45,770 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-06-13 07:33:45,771 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2021-06-13 07:33:45,774 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 88 out of 105
[2021-06-13 07:33:45,779 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 90 transitions, 189 flow. Second operand  has 7 states, 7 states have (on average 89.28571428571429) internal successors, (625), 7 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:45,779 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-06-13 07:33:45,779 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 105
[2021-06-13 07:33:45,780 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-06-13 07:33:46,102 INFO  L129       PetriNetUnfolder]: 173/543 cut-off events.
[2021-06-13 07:33:46,103 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-06-13 07:33:46,107 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 870 conditions, 543 events. 173/543 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2903 event pairs, 21 based on Foata normal form. 21/545 useless extension candidates. Maximal degree in co-relation 820. Up to 117 conditions per place. 
[2021-06-13 07:33:46,110 INFO  L132   encePairwiseOnDemand]: 95/105 looper letters, 16 selfloop transitions, 5 changer transitions 35/132 dead transitions.
[2021-06-13 07:33:46,110 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 132 transitions, 385 flow
[2021-06-13 07:33:46,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2021-06-13 07:33:46,112 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 13 states.
[2021-06-13 07:33:46,119 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1206 transitions.
[2021-06-13 07:33:46,122 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.8835164835164835
[2021-06-13 07:33:46,122 INFO  L72            ComplementDD]: Start complementDD. Operand 13 states and 1206 transitions.
[2021-06-13 07:33:46,122 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 13 states and 1206 transitions.
[2021-06-13 07:33:46,124 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-06-13 07:33:46,126 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1206 transitions.
[2021-06-13 07:33:46,130 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 14 states, 13 states have (on average 92.76923076923077) internal successors, (1206), 13 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:46,137 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 14 states, 14 states have (on average 105.0) internal successors, (1470), 14 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:46,138 INFO  L81            ComplementDD]: Finished complementDD. Result  has 14 states, 14 states have (on average 105.0) internal successors, (1470), 14 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:46,139 INFO  L185             Difference]: Start difference. First operand has 99 places, 90 transitions, 189 flow. Second operand 13 states and 1206 transitions.
[2021-06-13 07:33:46,140 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 132 transitions, 385 flow
[2021-06-13 07:33:46,142 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 132 transitions, 382 flow, removed 0 selfloop flow, removed 3 redundant places.
[2021-06-13 07:33:46,144 INFO  L241             Difference]: Finished difference. Result has 120 places, 92 transitions, 256 flow
[2021-06-13 07:33:46,145 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=256, PETRI_PLACES=120, PETRI_TRANSITIONS=92}
[2021-06-13 07:33:46,146 INFO  L335   CegarLoopForPetriNet]: 99 programPoint places, 21 predicate places.
[2021-06-13 07:33:46,146 INFO  L482      AbstractCegarLoop]: Abstraction has has 120 places, 92 transitions, 256 flow
[2021-06-13 07:33:46,146 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 7 states, 7 states have (on average 89.28571428571429) internal successors, (625), 7 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:46,146 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-06-13 07:33:46,147 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]
[2021-06-13 07:33:46,147 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-06-13 07:33:46,147 INFO  L430      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-13 07:33:46,147 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-13 07:33:46,147 INFO  L82        PathProgramCache]: Analyzing trace with hash -773725034, now seen corresponding path program 1 times
[2021-06-13 07:33:46,147 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-13 07:33:46,148 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855114880]
[2021-06-13 07:33:46,148 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-13 07:33:46,170 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-13 07:33:46,202 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:33:46,203 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:33:46,203 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:33:46,203 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-06-13 07:33:46,206 INFO  L142       QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size
[2021-06-13 07:33:46,206 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13
[2021-06-13 07:33:46,213 INFO  L142       QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size
[2021-06-13 07:33:46,214 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-06-13 07:33:46,227 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:33:46,228 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:33:46,235 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:33:46,236 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:33:46,243 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:33:46,243 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:33:46,244 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-13 07:33:46,244 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-13 07:33:46,244 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855114880]
[2021-06-13 07:33:46,244 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855114880] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-13 07:33:46,244 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-13 07:33:46,244 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-06-13 07:33:46,244 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717444305]
[2021-06-13 07:33:46,245 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-06-13 07:33:46,245 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-13 07:33:46,246 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-06-13 07:33:46,246 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2021-06-13 07:33:46,247 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 88 out of 105
[2021-06-13 07:33:46,247 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 92 transitions, 256 flow. Second operand  has 7 states, 7 states have (on average 89.42857142857143) internal successors, (626), 7 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:46,247 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-06-13 07:33:46,247 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 105
[2021-06-13 07:33:46,248 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-06-13 07:33:46,470 INFO  L129       PetriNetUnfolder]: 94/403 cut-off events.
[2021-06-13 07:33:46,471 INFO  L130       PetriNetUnfolder]: For 773/933 co-relation queries the response was YES.
[2021-06-13 07:33:46,472 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 1141 conditions, 403 events. 94/403 cut-off events. For 773/933 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 2021 event pairs, 15 based on Foata normal form. 12/405 useless extension candidates. Maximal degree in co-relation 1080. Up to 93 conditions per place. 
[2021-06-13 07:33:46,474 INFO  L132   encePairwiseOnDemand]: 94/105 looper letters, 15 selfloop transitions, 12 changer transitions 34/137 dead transitions.
[2021-06-13 07:33:46,478 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 137 transitions, 714 flow
[2021-06-13 07:33:46,479 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2021-06-13 07:33:46,479 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 13 states.
[2021-06-13 07:33:46,480 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1205 transitions.
[2021-06-13 07:33:46,481 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.8827838827838828
[2021-06-13 07:33:46,481 INFO  L72            ComplementDD]: Start complementDD. Operand 13 states and 1205 transitions.
[2021-06-13 07:33:46,481 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 13 states and 1205 transitions.
[2021-06-13 07:33:46,482 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-06-13 07:33:46,482 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1205 transitions.
[2021-06-13 07:33:46,484 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 14 states, 13 states have (on average 92.6923076923077) internal successors, (1205), 13 states have internal predecessors, (1205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:46,486 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 14 states, 14 states have (on average 105.0) internal successors, (1470), 14 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:46,486 INFO  L81            ComplementDD]: Finished complementDD. Result  has 14 states, 14 states have (on average 105.0) internal successors, (1470), 14 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:46,486 INFO  L185             Difference]: Start difference. First operand has 120 places, 92 transitions, 256 flow. Second operand 13 states and 1205 transitions.
[2021-06-13 07:33:46,486 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 137 transitions, 714 flow
[2021-06-13 07:33:46,492 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 137 transitions, 662 flow, removed 24 selfloop flow, removed 4 redundant places.
[2021-06-13 07:33:46,495 INFO  L241             Difference]: Finished difference. Result has 130 places, 97 transitions, 345 flow
[2021-06-13 07:33:46,495 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=345, PETRI_PLACES=130, PETRI_TRANSITIONS=97}
[2021-06-13 07:33:46,495 INFO  L335   CegarLoopForPetriNet]: 99 programPoint places, 31 predicate places.
[2021-06-13 07:33:46,495 INFO  L482      AbstractCegarLoop]: Abstraction has has 130 places, 97 transitions, 345 flow
[2021-06-13 07:33:46,496 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 7 states, 7 states have (on average 89.42857142857143) internal successors, (626), 7 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:46,496 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-06-13 07:33:46,496 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]
[2021-06-13 07:33:46,497 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-06-13 07:33:46,497 INFO  L430      AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-13 07:33:46,497 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-13 07:33:46,497 INFO  L82        PathProgramCache]: Analyzing trace with hash -634726923, now seen corresponding path program 1 times
[2021-06-13 07:33:46,497 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-13 07:33:46,497 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212421207]
[2021-06-13 07:33:46,497 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-13 07:33:46,547 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-13 07:33:46,595 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:33:46,596 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:33:46,596 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:33:46,596 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-06-13 07:33:46,599 INFO  L142       QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size
[2021-06-13 07:33:46,602 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23
[2021-06-13 07:33:46,613 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:33:46,614 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-06-13 07:33:46,620 INFO  L142       QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size
[2021-06-13 07:33:46,621 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:33:46,627 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:33:46,627 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:33:46,628 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-13 07:33:46,629 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-13 07:33:46,629 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212421207]
[2021-06-13 07:33:46,629 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212421207] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-13 07:33:46,629 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-13 07:33:46,629 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-06-13 07:33:46,629 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429223850]
[2021-06-13 07:33:46,629 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-06-13 07:33:46,630 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-13 07:33:46,631 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-06-13 07:33:46,631 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-06-13 07:33:46,632 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 91 out of 105
[2021-06-13 07:33:46,633 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 97 transitions, 345 flow. Second operand  has 6 states, 6 states have (on average 92.16666666666667) internal successors, (553), 6 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:46,633 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-06-13 07:33:46,633 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 105
[2021-06-13 07:33:46,633 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-06-13 07:33:46,833 INFO  L129       PetriNetUnfolder]: 387/1031 cut-off events.
[2021-06-13 07:33:46,833 INFO  L130       PetriNetUnfolder]: For 789/812 co-relation queries the response was YES.
[2021-06-13 07:33:46,838 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 2251 conditions, 1031 events. 387/1031 cut-off events. For 789/812 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 7815 event pairs, 25 based on Foata normal form. 0/927 useless extension candidates. Maximal degree in co-relation 2180. Up to 261 conditions per place. 
[2021-06-13 07:33:46,842 INFO  L132   encePairwiseOnDemand]: 95/105 looper letters, 24 selfloop transitions, 17 changer transitions 0/127 dead transitions.
[2021-06-13 07:33:46,843 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 127 transitions, 487 flow
[2021-06-13 07:33:46,843 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-06-13 07:33:46,843 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 10 states.
[2021-06-13 07:33:46,844 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 953 transitions.
[2021-06-13 07:33:46,845 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.9076190476190477
[2021-06-13 07:33:46,845 INFO  L72            ComplementDD]: Start complementDD. Operand 10 states and 953 transitions.
[2021-06-13 07:33:46,845 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 10 states and 953 transitions.
[2021-06-13 07:33:46,845 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-06-13 07:33:46,846 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 953 transitions.
[2021-06-13 07:33:46,847 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 11 states, 10 states have (on average 95.3) internal successors, (953), 10 states have internal predecessors, (953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:46,848 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 11 states, 11 states have (on average 105.0) internal successors, (1155), 11 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:46,849 INFO  L81            ComplementDD]: Finished complementDD. Result  has 11 states, 11 states have (on average 105.0) internal successors, (1155), 11 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:46,849 INFO  L185             Difference]: Start difference. First operand has 130 places, 97 transitions, 345 flow. Second operand 10 states and 953 transitions.
[2021-06-13 07:33:46,849 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 127 transitions, 487 flow
[2021-06-13 07:33:46,852 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 127 transitions, 457 flow, removed 15 selfloop flow, removed 12 redundant places.
[2021-06-13 07:33:46,855 INFO  L241             Difference]: Finished difference. Result has 124 places, 112 transitions, 435 flow
[2021-06-13 07:33:46,855 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=315, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=435, PETRI_PLACES=124, PETRI_TRANSITIONS=112}
[2021-06-13 07:33:46,855 INFO  L335   CegarLoopForPetriNet]: 99 programPoint places, 25 predicate places.
[2021-06-13 07:33:46,855 INFO  L482      AbstractCegarLoop]: Abstraction has has 124 places, 112 transitions, 435 flow
[2021-06-13 07:33:46,856 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 6 states, 6 states have (on average 92.16666666666667) internal successors, (553), 6 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:46,856 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-06-13 07:33:46,856 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]
[2021-06-13 07:33:46,856 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-06-13 07:33:46,856 INFO  L430      AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-13 07:33:46,857 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-13 07:33:46,857 INFO  L82        PathProgramCache]: Analyzing trace with hash -1213693962, now seen corresponding path program 1 times
[2021-06-13 07:33:46,857 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-13 07:33:46,857 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426282223]
[2021-06-13 07:33:46,858 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-13 07:33:46,908 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-13 07:33:46,932 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:33:46,932 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:33:46,932 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:33:46,933 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-06-13 07:33:46,935 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:33:46,935 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-06-13 07:33:46,938 INFO  L142       QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size
[2021-06-13 07:33:46,939 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23
[2021-06-13 07:33:46,949 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:33:46,950 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-06-13 07:33:46,956 INFO  L142       QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size
[2021-06-13 07:33:46,956 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:33:46,963 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:33:46,963 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:33:46,964 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-13 07:33:46,964 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-13 07:33:46,964 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426282223]
[2021-06-13 07:33:46,964 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426282223] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-13 07:33:46,964 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-13 07:33:46,964 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-06-13 07:33:46,964 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864877571]
[2021-06-13 07:33:46,964 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-06-13 07:33:46,965 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-13 07:33:46,965 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-06-13 07:33:46,965 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2021-06-13 07:33:46,965 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 91 out of 105
[2021-06-13 07:33:46,966 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 112 transitions, 435 flow. Second operand  has 7 states, 7 states have (on average 92.14285714285714) internal successors, (645), 7 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:46,966 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-06-13 07:33:46,966 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 105
[2021-06-13 07:33:46,966 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-06-13 07:33:47,211 INFO  L129       PetriNetUnfolder]: 351/971 cut-off events.
[2021-06-13 07:33:47,211 INFO  L130       PetriNetUnfolder]: For 2215/2576 co-relation queries the response was YES.
[2021-06-13 07:33:47,216 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 3289 conditions, 971 events. 351/971 cut-off events. For 2215/2576 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 7511 event pairs, 5 based on Foata normal form. 111/1008 useless extension candidates. Maximal degree in co-relation 3221. Up to 361 conditions per place. 
[2021-06-13 07:33:47,219 INFO  L132   encePairwiseOnDemand]: 95/105 looper letters, 20 selfloop transitions, 32 changer transitions 9/147 dead transitions.
[2021-06-13 07:33:47,219 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 147 transitions, 781 flow
[2021-06-13 07:33:47,220 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2021-06-13 07:33:47,221 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 13 states.
[2021-06-13 07:33:47,222 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1240 transitions.
[2021-06-13 07:33:47,223 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.9084249084249084
[2021-06-13 07:33:47,223 INFO  L72            ComplementDD]: Start complementDD. Operand 13 states and 1240 transitions.
[2021-06-13 07:33:47,223 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 13 states and 1240 transitions.
[2021-06-13 07:33:47,224 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-06-13 07:33:47,224 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1240 transitions.
[2021-06-13 07:33:47,226 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 14 states, 13 states have (on average 95.38461538461539) internal successors, (1240), 13 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:47,227 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 14 states, 14 states have (on average 105.0) internal successors, (1470), 14 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:47,228 INFO  L81            ComplementDD]: Finished complementDD. Result  has 14 states, 14 states have (on average 105.0) internal successors, (1470), 14 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:47,228 INFO  L185             Difference]: Start difference. First operand has 124 places, 112 transitions, 435 flow. Second operand 13 states and 1240 transitions.
[2021-06-13 07:33:47,228 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 147 transitions, 781 flow
[2021-06-13 07:33:47,232 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 147 transitions, 773 flow, removed 1 selfloop flow, removed 2 redundant places.
[2021-06-13 07:33:47,233 INFO  L241             Difference]: Finished difference. Result has 138 places, 132 transitions, 670 flow
[2021-06-13 07:33:47,233 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=427, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=670, PETRI_PLACES=138, PETRI_TRANSITIONS=132}
[2021-06-13 07:33:47,234 INFO  L335   CegarLoopForPetriNet]: 99 programPoint places, 39 predicate places.
[2021-06-13 07:33:47,234 INFO  L482      AbstractCegarLoop]: Abstraction has has 138 places, 132 transitions, 670 flow
[2021-06-13 07:33:47,234 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 7 states, 7 states have (on average 92.14285714285714) internal successors, (645), 7 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:47,234 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-06-13 07:33:47,234 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, 1, 1, 1]
[2021-06-13 07:33:47,234 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-06-13 07:33:47,234 INFO  L430      AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-13 07:33:47,235 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-13 07:33:47,235 INFO  L82        PathProgramCache]: Analyzing trace with hash 185010009, now seen corresponding path program 1 times
[2021-06-13 07:33:47,235 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-13 07:33:47,235 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536487480]
[2021-06-13 07:33:47,235 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-13 07:33:47,278 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-13 07:33:47,310 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:33:47,311 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:33:47,311 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:33:47,312 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-06-13 07:33:47,314 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:33:47,314 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-06-13 07:33:47,318 INFO  L142       QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size
[2021-06-13 07:33:47,318 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-06-13 07:33:47,331 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:33:47,332 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:33:47,339 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:33:47,339 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:33:47,347 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:33:47,347 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:33:47,347 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-13 07:33:47,348 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-13 07:33:47,348 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536487480]
[2021-06-13 07:33:47,348 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536487480] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-13 07:33:47,348 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-13 07:33:47,348 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-06-13 07:33:47,348 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072329840]
[2021-06-13 07:33:47,349 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-06-13 07:33:47,349 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-13 07:33:47,349 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-06-13 07:33:47,349 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2021-06-13 07:33:47,350 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 90 out of 105
[2021-06-13 07:33:47,350 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 132 transitions, 670 flow. Second operand  has 7 states, 7 states have (on average 91.42857142857143) internal successors, (640), 7 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:47,350 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-06-13 07:33:47,350 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 105
[2021-06-13 07:33:47,351 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-06-13 07:33:47,527 INFO  L129       PetriNetUnfolder]: 340/1356 cut-off events.
[2021-06-13 07:33:47,527 INFO  L130       PetriNetUnfolder]: For 3686/3833 co-relation queries the response was YES.
[2021-06-13 07:33:47,533 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 4442 conditions, 1356 events. 340/1356 cut-off events. For 3686/3833 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 12540 event pairs, 9 based on Foata normal form. 12/1303 useless extension candidates. Maximal degree in co-relation 4368. Up to 381 conditions per place. 
[2021-06-13 07:33:47,536 INFO  L132   encePairwiseOnDemand]: 96/105 looper letters, 10 selfloop transitions, 6 changer transitions 15/145 dead transitions.
[2021-06-13 07:33:47,536 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 145 transitions, 839 flow
[2021-06-13 07:33:47,537 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-13 07:33:47,537 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2021-06-13 07:33:47,538 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 657 transitions.
[2021-06-13 07:33:47,538 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.8938775510204081
[2021-06-13 07:33:47,538 INFO  L72            ComplementDD]: Start complementDD. Operand 7 states and 657 transitions.
[2021-06-13 07:33:47,538 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 7 states and 657 transitions.
[2021-06-13 07:33:47,538 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-06-13 07:33:47,538 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 657 transitions.
[2021-06-13 07:33:47,539 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 8 states, 7 states have (on average 93.85714285714286) internal successors, (657), 7 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:47,540 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 8 states, 8 states have (on average 105.0) internal successors, (840), 8 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:47,541 INFO  L81            ComplementDD]: Finished complementDD. Result  has 8 states, 8 states have (on average 105.0) internal successors, (840), 8 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:47,541 INFO  L185             Difference]: Start difference. First operand has 138 places, 132 transitions, 670 flow. Second operand 7 states and 657 transitions.
[2021-06-13 07:33:47,541 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 145 transitions, 839 flow
[2021-06-13 07:33:47,568 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 145 transitions, 725 flow, removed 44 selfloop flow, removed 6 redundant places.
[2021-06-13 07:33:47,570 INFO  L241             Difference]: Finished difference. Result has 142 places, 130 transitions, 564 flow
[2021-06-13 07:33:47,570 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=556, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=564, PETRI_PLACES=142, PETRI_TRANSITIONS=130}
[2021-06-13 07:33:47,570 INFO  L335   CegarLoopForPetriNet]: 99 programPoint places, 43 predicate places.
[2021-06-13 07:33:47,570 INFO  L482      AbstractCegarLoop]: Abstraction has has 142 places, 130 transitions, 564 flow
[2021-06-13 07:33:47,571 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 7 states, 7 states have (on average 91.42857142857143) internal successors, (640), 7 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:47,571 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-06-13 07:33:47,571 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, 1, 1, 1]
[2021-06-13 07:33:47,571 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-06-13 07:33:47,571 INFO  L430      AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-13 07:33:47,571 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-13 07:33:47,571 INFO  L82        PathProgramCache]: Analyzing trace with hash 1870070045, now seen corresponding path program 2 times
[2021-06-13 07:33:47,571 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-13 07:33:47,572 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336921114]
[2021-06-13 07:33:47,572 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-13 07:33:47,601 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-13 07:33:47,629 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:33:47,630 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:33:47,630 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:33:47,630 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-06-13 07:33:47,633 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:33:47,633 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-06-13 07:33:47,635 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:33:47,636 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-06-13 07:33:47,640 INFO  L142       QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size
[2021-06-13 07:33:47,640 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23
[2021-06-13 07:33:47,652 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:33:47,653 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-06-13 07:33:47,660 INFO  L142       QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size
[2021-06-13 07:33:47,660 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:33:47,667 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:33:47,668 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:33:47,668 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-13 07:33:47,668 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-13 07:33:47,668 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336921114]
[2021-06-13 07:33:47,668 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336921114] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-13 07:33:47,669 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-13 07:33:47,669 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-06-13 07:33:47,669 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732749784]
[2021-06-13 07:33:47,669 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 8 states
[2021-06-13 07:33:47,669 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-13 07:33:47,670 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-06-13 07:33:47,670 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2021-06-13 07:33:47,671 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 91 out of 105
[2021-06-13 07:33:47,671 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 130 transitions, 564 flow. Second operand  has 8 states, 8 states have (on average 92.125) internal successors, (737), 8 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:47,672 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-06-13 07:33:47,672 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 105
[2021-06-13 07:33:47,672 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-06-13 07:33:47,919 INFO  L129       PetriNetUnfolder]: 245/764 cut-off events.
[2021-06-13 07:33:47,919 INFO  L130       PetriNetUnfolder]: For 1088/1470 co-relation queries the response was YES.
[2021-06-13 07:33:47,922 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 2324 conditions, 764 events. 245/764 cut-off events. For 1088/1470 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 5769 event pairs, 0 based on Foata normal form. 101/804 useless extension candidates. Maximal degree in co-relation 2297. Up to 126 conditions per place. 
[2021-06-13 07:33:47,924 INFO  L132   encePairwiseOnDemand]: 95/105 looper letters, 16 selfloop transitions, 36 changer transitions 20/156 dead transitions.
[2021-06-13 07:33:47,924 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 156 transitions, 850 flow
[2021-06-13 07:33:47,924 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2021-06-13 07:33:47,924 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 16 states.
[2021-06-13 07:33:47,926 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1512 transitions.
[2021-06-13 07:33:47,927 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.9
[2021-06-13 07:33:47,927 INFO  L72            ComplementDD]: Start complementDD. Operand 16 states and 1512 transitions.
[2021-06-13 07:33:47,927 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 16 states and 1512 transitions.
[2021-06-13 07:33:47,928 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-06-13 07:33:47,928 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1512 transitions.
[2021-06-13 07:33:47,930 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 17 states, 16 states have (on average 94.5) internal successors, (1512), 16 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:47,932 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 17 states, 17 states have (on average 105.0) internal successors, (1785), 17 states have internal predecessors, (1785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:47,932 INFO  L81            ComplementDD]: Finished complementDD. Result  has 17 states, 17 states have (on average 105.0) internal successors, (1785), 17 states have internal predecessors, (1785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:47,932 INFO  L185             Difference]: Start difference. First operand has 142 places, 130 transitions, 564 flow. Second operand 16 states and 1512 transitions.
[2021-06-13 07:33:47,932 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 156 transitions, 850 flow
[2021-06-13 07:33:47,936 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 156 transitions, 803 flow, removed 16 selfloop flow, removed 7 redundant places.
[2021-06-13 07:33:47,938 INFO  L241             Difference]: Finished difference. Result has 154 places, 130 transitions, 635 flow
[2021-06-13 07:33:47,938 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=517, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=635, PETRI_PLACES=154, PETRI_TRANSITIONS=130}
[2021-06-13 07:33:47,938 INFO  L335   CegarLoopForPetriNet]: 99 programPoint places, 55 predicate places.
[2021-06-13 07:33:47,938 INFO  L482      AbstractCegarLoop]: Abstraction has has 154 places, 130 transitions, 635 flow
[2021-06-13 07:33:47,939 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 8 states, 8 states have (on average 92.125) internal successors, (737), 8 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:47,939 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-06-13 07:33:47,939 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, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-13 07:33:47,939 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-06-13 07:33:47,939 INFO  L430      AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-13 07:33:47,939 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-13 07:33:47,939 INFO  L82        PathProgramCache]: Analyzing trace with hash -1961154961, now seen corresponding path program 1 times
[2021-06-13 07:33:47,939 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-13 07:33:47,939 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278477170]
[2021-06-13 07:33:47,940 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-13 07:33:47,979 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-06-13 07:33:47,980 INFO  L223             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-06-13 07:33:48,032 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-06-13 07:33:48,032 INFO  L223             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-06-13 07:33:48,071 INFO  L173   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-06-13 07:33:48,072 INFO  L573         BasicCegarLoop]: Counterexample might be feasible
[2021-06-13 07:33:48,072 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-06-13 07:33:48,072 INFO  L301   ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/3)
[2021-06-13 07:33:48,073 INFO  L255      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-06-13 07:33:48,074 INFO  L378      AbstractCegarLoop]: Interprodecural is true
[2021-06-13 07:33:48,074 INFO  L379      AbstractCegarLoop]: Hoare is false
[2021-06-13 07:33:48,074 INFO  L380      AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-06-13 07:33:48,074 INFO  L381      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-06-13 07:33:48,074 INFO  L382      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-06-13 07:33:48,075 INFO  L383      AbstractCegarLoop]: Difference is false
[2021-06-13 07:33:48,075 INFO  L384      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-06-13 07:33:48,075 INFO  L388      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == P0Thread1of1ForFork2========
[2021-06-13 07:33:48,076 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 113 places, 105 transitions, 225 flow
[2021-06-13 07:33:48,081 INFO  L129       PetriNetUnfolder]: 2/102 cut-off events.
[2021-06-13 07:33:48,081 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-06-13 07:33:48,081 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 112 conditions, 102 events. 2/102 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. 
[2021-06-13 07:33:48,081 INFO  L82        GeneralOperation]: Start removeDead. Operand has 113 places, 105 transitions, 225 flow
[2021-06-13 07:33:48,082 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 110 places, 102 transitions, 213 flow
[2021-06-13 07:33:48,083 INFO  L129       PetriNetUnfolder]: 0/43 cut-off events.
[2021-06-13 07:33:48,084 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-06-13 07:33:48,084 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-06-13 07:33:48,084 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]
[2021-06-13 07:33:48,084 INFO  L430      AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-13 07:33:48,084 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-13 07:33:48,084 INFO  L82        PathProgramCache]: Analyzing trace with hash -483707812, now seen corresponding path program 1 times
[2021-06-13 07:33:48,084 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-13 07:33:48,087 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188511552]
[2021-06-13 07:33:48,087 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-13 07:33:48,092 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-13 07:33:48,114 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:33:48,114 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:33:48,115 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:33:48,115 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-06-13 07:33:48,117 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-13 07:33:48,117 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-13 07:33:48,117 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188511552]
[2021-06-13 07:33:48,117 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188511552] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-13 07:33:48,117 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-13 07:33:48,117 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-06-13 07:33:48,117 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217514681]
[2021-06-13 07:33:48,117 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-06-13 07:33:48,118 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-13 07:33:48,118 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-06-13 07:33:48,118 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-06-13 07:33:48,118 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 94 out of 105
[2021-06-13 07:33:48,118 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 102 transitions, 213 flow. Second operand  has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:48,118 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-06-13 07:33:48,119 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 105
[2021-06-13 07:33:48,119 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-06-13 07:33:48,152 INFO  L129       PetriNetUnfolder]: 49/255 cut-off events.
[2021-06-13 07:33:48,152 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-06-13 07:33:48,153 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 351 conditions, 255 events. 49/255 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1019 event pairs, 38 based on Foata normal form. 16/252 useless extension candidates. Maximal degree in co-relation 304. Up to 65 conditions per place. 
[2021-06-13 07:33:48,153 INFO  L132   encePairwiseOnDemand]: 100/105 looper letters, 0 selfloop transitions, 0 changer transitions 102/102 dead transitions.
[2021-06-13 07:33:48,153 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 102 transitions, 235 flow
[2021-06-13 07:33:48,154 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-06-13 07:33:48,154 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2021-06-13 07:33:48,154 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 298 transitions.
[2021-06-13 07:33:48,154 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.946031746031746
[2021-06-13 07:33:48,155 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 298 transitions.
[2021-06-13 07:33:48,155 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 298 transitions.
[2021-06-13 07:33:48,155 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-06-13 07:33:48,155 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 298 transitions.
[2021-06-13 07:33:48,155 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:48,156 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 105.0) internal successors, (420), 4 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:48,156 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 105.0) internal successors, (420), 4 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:48,156 INFO  L185             Difference]: Start difference. First operand has 110 places, 102 transitions, 213 flow. Second operand 3 states and 298 transitions.
[2021-06-13 07:33:48,156 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 102 transitions, 235 flow
[2021-06-13 07:33:48,157 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 102 transitions, 232 flow, removed 0 selfloop flow, removed 3 redundant places.
[2021-06-13 07:33:48,157 INFO  L241             Difference]: Finished difference. Result has 107 places, 0 transitions, 0 flow
[2021-06-13 07:33:48,157 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=107, PETRI_TRANSITIONS=0}
[2021-06-13 07:33:48,157 INFO  L335   CegarLoopForPetriNet]: 110 programPoint places, -3 predicate places.
[2021-06-13 07:33:48,158 INFO  L482      AbstractCegarLoop]: Abstraction has has 107 places, 0 transitions, 0 flow
[2021-06-13 07:33:48,158 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:33:48,158 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2021-06-13 07:33:48,158 INFO  L301   ceAbstractionStarter]: Result for error location P0Thread1of1ForFork2 was SAFE (3/3)
[2021-06-13 07:33:48,158 INFO  L247   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2021-06-13 07:33:48,244 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.06 07:33:48 BasicIcfg
[2021-06-13 07:33:48,244 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-06-13 07:33:48,245 INFO  L168              Benchmark]: Toolchain (without parser) took 4887.85 ms. Allocated memory was 212.9 MB in the beginning and 342.9 MB in the end (delta: 130.0 MB). Free memory was 175.1 MB in the beginning and 130.9 MB in the end (delta: 44.2 MB). Peak memory consumption was 174.9 MB. Max. memory is 8.0 GB.
[2021-06-13 07:33:48,245 INFO  L168              Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 212.9 MB. Free memory is still 193.1 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2021-06-13 07:33:48,246 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 401.18 ms. Allocated memory is still 212.9 MB. Free memory was 175.0 MB in the beginning and 171.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB.
[2021-06-13 07:33:48,246 INFO  L168              Benchmark]: Boogie Procedure Inliner took 37.71 ms. Allocated memory is still 212.9 MB. Free memory was 171.9 MB in the beginning and 169.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
[2021-06-13 07:33:48,246 INFO  L168              Benchmark]: Boogie Preprocessor took 46.44 ms. Allocated memory is still 212.9 MB. Free memory was 169.8 MB in the beginning and 167.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
[2021-06-13 07:33:48,246 INFO  L168              Benchmark]: RCFGBuilder took 1393.60 ms. Allocated memory was 212.9 MB in the beginning and 255.9 MB in the end (delta: 43.0 MB). Free memory was 167.2 MB in the beginning and 213.2 MB in the end (delta: -46.0 MB). Peak memory consumption was 105.5 MB. Max. memory is 8.0 GB.
[2021-06-13 07:33:48,247 INFO  L168              Benchmark]: TraceAbstraction took 3003.89 ms. Allocated memory was 255.9 MB in the beginning and 342.9 MB in the end (delta: 87.0 MB). Free memory was 212.7 MB in the beginning and 130.9 MB in the end (delta: 81.8 MB). Peak memory consumption was 168.9 MB. Max. memory is 8.0 GB.
[2021-06-13 07:33:48,248 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.10 ms. Allocated memory is still 212.9 MB. Free memory is still 193.1 MB. There was no memory consumed. Max. memory is 8.0 GB.
 * CACSL2BoogieTranslator took 401.18 ms. Allocated memory is still 212.9 MB. Free memory was 175.0 MB in the beginning and 171.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB.
 * Boogie Procedure Inliner took 37.71 ms. Allocated memory is still 212.9 MB. Free memory was 171.9 MB in the beginning and 169.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
 * Boogie Preprocessor took 46.44 ms. Allocated memory is still 212.9 MB. Free memory was 169.8 MB in the beginning and 167.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
 * RCFGBuilder took 1393.60 ms. Allocated memory was 212.9 MB in the beginning and 255.9 MB in the end (delta: 43.0 MB). Free memory was 167.2 MB in the beginning and 213.2 MB in the end (delta: -46.0 MB). Peak memory consumption was 105.5 MB. Max. memory is 8.0 GB.
 * TraceAbstraction took 3003.89 ms. Allocated memory was 255.9 MB in the beginning and 342.9 MB in the end (delta: 87.0 MB). Free memory was 212.7 MB in the beginning and 130.9 MB in the end (delta: 81.8 MB). Peak memory consumption was 168.9 MB. Max. memory is 8.0 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 18]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - 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]
[L719]               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, y=0]
[L720]               0  _Bool y$flush_delayed;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0]
[L721]               0  int y$mem_tmp;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0]
[L722]               0  _Bool y$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, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0]
[L723]               0  _Bool y$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, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0]
[L724]               0  _Bool y$r_buff0_thd2;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0]
[L725]               0  _Bool y$r_buff0_thd3;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0]
[L726]               0  _Bool y$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, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0]
[L727]               0  _Bool y$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, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0]
[L728]               0  _Bool y$r_buff1_thd2;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0]
[L729]               0  _Bool y$r_buff1_thd3;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0]
[L730]               0  _Bool y$read_delayed;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0]
[L731]               0  int *y$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, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}]
[L732]               0  int y$w_buff0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0]
[L733]               0  _Bool y$w_buff0_used;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0]
[L734]               0  int y$w_buff1;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0]
[L735]               0  _Bool y$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, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=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, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=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$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L828]               0  pthread_t t2393;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L829]  FCALL, FORK  0  pthread_create(&t2393, ((void *)0), P0, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L830]               0  pthread_t t2394;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L831]  FCALL, FORK  0  pthread_create(&t2394, ((void *)0), P1, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L741]               1  y$w_buff1 = y$w_buff0
[L742]               1  y$w_buff0 = 1
[L743]               1  y$w_buff1_used = y$w_buff0_used
[L744]               1  y$w_buff0_used = (_Bool)1
[L18]   COND FALSE   1  !(!expression)
[L746]               1  y$r_buff1_thd0 = y$r_buff0_thd0
[L747]               1  y$r_buff1_thd1 = y$r_buff0_thd1
[L748]               1  y$r_buff1_thd2 = y$r_buff0_thd2
[L749]               1  y$r_buff1_thd3 = y$r_buff0_thd3
[L750]               1  y$r_buff0_thd1 = (_Bool)1
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0]
[L753]               1  x = 1
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0]
[L770]               2  x = 2
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0]
[L832]               0  pthread_t t2395;
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0]
[L833]  FCALL, FORK  0  pthread_create(&t2395, ((void *)0), P2, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0]
[L787]               3  __unbuffered_p2_EAX = x
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0]
[L790]               3  weak$$choice0 = __VERIFIER_nondet_bool()
[L791]               3  weak$$choice2 = __VERIFIER_nondet_bool()
[L792]               3  y$flush_delayed = weak$$choice2
[L793]               3  y$mem_tmp = y
[L794]  EXPR         3  !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1)
[L794]               3  y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1)
[L795]  EXPR         3  weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0))
[L795]  EXPR         3  !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)
[L795]  EXPR         3  weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0))
[L795]               3  y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0))
[L796]  EXPR         3  weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1))
[L796]  EXPR         3  !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)
[L796]  EXPR         3  weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1))
[L796]               3  y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1))
[L797]  EXPR         3  weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used))
[L797]  EXPR         3  !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)
[L797]  EXPR         3  weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used))
[L797]               3  y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used))
[L798]  EXPR         3  weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))
[L798]  EXPR         3  !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)
[L798]  EXPR         3  weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))
[L798]               3  y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))
[L799]  EXPR         3  weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3))
[L799]  EXPR         3  !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)
[L799]  EXPR         3  weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3))
[L799]               3  y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3))
[L800]  EXPR         3  weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))
[L800]  EXPR         3  !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)
[L800]  EXPR         3  weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))
[L800]               3  y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))
[L801]               3  __unbuffered_p2_EBX = y
[L802]  EXPR         3  y$flush_delayed ? y$mem_tmp : y
[L802]               3  y = y$flush_delayed ? y$mem_tmp : y
[L803]               3  y$flush_delayed = (_Bool)0
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __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$$choice0=49, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0]
[L806]  EXPR         3  y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y)
[L806]  EXPR         3  y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y
[L806]  EXPR         3  y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y)
[L806]               3  y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y)
[L807]  EXPR         3  y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used
[L807]               3  y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used
[L808]  EXPR         3  y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used
[L808]               3  y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used
[L809]  EXPR         3  y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3
[L809]               3  y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3
[L810]  EXPR         3  y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3
[L810]               3  y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3
[L773]  EXPR         2  y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y)
[L773]  EXPR         2  y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y
[L773]  EXPR         2  y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y)
[L773]               2  y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y)
[L774]  EXPR         2  y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used
[L774]               2  y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used
[L775]  EXPR         2  y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used
[L775]               2  y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used
[L776]  EXPR         2  y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2
[L776]               2  y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2
[L777]  EXPR         2  y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2
[L777]               2  y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2
[L756]  EXPR         1  y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y)
[L756]               1  y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y)
[L757]  EXPR         1  y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used
[L757]               1  y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used
[L758]  EXPR         1  y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used
[L758]               1  y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used
[L759]  EXPR         1  y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1
[L759]               1  y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1
[L760]  EXPR         1  y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1
[L760]               1  y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1
[L763]               1  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [__unbuffered_cnt=1, __unbuffered_p2_EAX=2, __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$$choice0=49, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L780]               2  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [__unbuffered_cnt=2, __unbuffered_p2_EAX=2, __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$$choice0=49, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L813]               3  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [__unbuffered_cnt=3, __unbuffered_p2_EAX=2, __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$$choice0=49, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L835]               0  main$tmp_guard0 = __unbuffered_cnt == 3
        VAL             [__unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L3]    COND FALSE   0  !(!cond)
        VAL             [__unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, 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=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L839]  EXPR         0  y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y)
[L839]  EXPR         0  y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y
[L839]  EXPR         0  y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y)
[L839]               0  y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y)
[L840]  EXPR         0  y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used
[L840]               0  y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used
[L841]  EXPR         0  y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used
[L841]               0  y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used
[L842]  EXPR         0  y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0
[L842]               0  y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0
[L843]  EXPR         0  y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0
[L843]               0  y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0
[L846]               0  main$tmp_guard1 = !(x == 2 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0)
        VAL             [__unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, 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=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L18]   COND TRUE    0  !expression
        VAL             [__unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, 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=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L18]                0  reach_error()
        VAL             [__unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, 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=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]

  - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P0 with 1 thread instances
    CFG has 7 procedures, 131 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 42.3ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 38.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available
  - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
    CFG has 7 procedures, 131 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 17.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 2708.3ms, OverallIterations: 7, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1610.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 22.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 80 SDtfs, 212 SDslu, 272 SDs, 0 SdLazy, 323 SolverSat, 83 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 235.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 648.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=670occurred in iteration=4, InterpolantAutomatonStates: 72, 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: 26.0ms SsaConstructionTime, 291.8ms SatisfiabilityAnalysisTime, 523.6ms InterpolantComputationTime, 513 NumberOfCodeBlocks, 513 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 426 ConstructedInterpolants, 0 QuantifiedInterpolants, 1758 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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
  - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P0Thread1of1ForFork2 with 1 thread instances
    CFG has 7 procedures, 131 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 1.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 84.2ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 39.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 5 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 11 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=213occurred in iteration=0, InterpolantAutomatonStates: 3, 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: 0.7ms SsaConstructionTime, 2.7ms SatisfiabilityAnalysisTime, 24.5ms InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 66 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...