/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe012_pso.opt.i


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


This is Ultimate 0.1.25-b09bf87
[2020-10-16 12:08:48,861 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-10-16 12:08:48,864 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-10-16 12:08:48,888 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-10-16 12:08:48,888 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-10-16 12:08:48,889 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-10-16 12:08:48,890 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2020-10-16 12:08:48,901 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-10-16 12:08:48,902 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-10-16 12:08:48,904 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-10-16 12:08:48,906 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-10-16 12:08:48,907 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-10-16 12:08:48,908 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-10-16 12:08:48,909 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-10-16 12:08:48,910 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-10-16 12:08:48,914 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2020-10-16 12:08:48,914 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2020-10-16 12:08:48,922 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2020-10-16 12:08:48,927 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2020-10-16 12:08:48,929 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-10-16 12:08:48,930 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf
[2020-10-16 12:08:48,981 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-10-16 12:08:48,982 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-10-16 12:08:48,983 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-10-16 12:08:48,983 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-10-16 12:08:48,983 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-10-16 12:08:48,983 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-10-16 12:08:48,984 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-10-16 12:08:48,984 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-10-16 12:08:48,987 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-10-16 12:08:48,987 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-10-16 12:08:48,988 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-10-16 12:08:48,988 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-10-16 12:08:48,988 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-10-16 12:08:48,988 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-10-16 12:08:48,988 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-10-16 12:08:48,988 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-10-16 12:08:48,989 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-10-16 12:08:48,989 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-10-16 12:08:48,990 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-10-16 12:08:48,990 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-10-16 12:08:48,990 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-10-16 12:08:48,991 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-10-16 12:08:48,991 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-10-16 12:08:48,991 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=Craig_NestedInterpolation
[2020-10-16 12:08:48,991 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-10-16 12:08:48,991 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-10-16 12:08:48,992 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-10-16 12:08:48,992 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK
[2020-10-16 12:08:48,992 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-10-16 12:08:49,307 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-10-16 12:08:49,329 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-10-16 12:08:49,334 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-10-16 12:08:49,335 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-10-16 12:08:49,336 INFO  L275        PluginConnector]: CDTParser initialized
[2020-10-16 12:08:49,336 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe012_pso.opt.i
[2020-10-16 12:08:49,414 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fc420f758/2fda4c4ed0494ad7bd4de37bfb0e3013/FLAGd5a1cbd33
[2020-10-16 12:08:49,995 INFO  L306              CDTParser]: Found 1 translation units.
[2020-10-16 12:08:49,995 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/safe012_pso.opt.i
[2020-10-16 12:08:50,014 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fc420f758/2fda4c4ed0494ad7bd4de37bfb0e3013/FLAGd5a1cbd33
[2020-10-16 12:08:50,337 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fc420f758/2fda4c4ed0494ad7bd4de37bfb0e3013
[2020-10-16 12:08:50,345 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-10-16 12:08:50,347 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2020-10-16 12:08:50,348 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-10-16 12:08:50,349 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-10-16 12:08:50,352 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-10-16 12:08:50,353 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:08:50" (1/1) ...
[2020-10-16 12:08:50,356 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34f76d4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:08:50, skipping insertion in model container
[2020-10-16 12:08:50,356 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:08:50" (1/1) ...
[2020-10-16 12:08:50,365 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-10-16 12:08:50,443 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-10-16 12:08:50,918 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-10-16 12:08:50,931 INFO  L203         MainTranslator]: Completed pre-run
[2020-10-16 12:08:51,028 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-10-16 12:08:51,127 INFO  L208         MainTranslator]: Completed translation
[2020-10-16 12:08:51,127 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:08:51 WrapperNode
[2020-10-16 12:08:51,127 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-10-16 12:08:51,128 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-10-16 12:08:51,129 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-10-16 12:08:51,129 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2020-10-16 12:08:51,139 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:08:51" (1/1) ...
[2020-10-16 12:08:51,159 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:08:51" (1/1) ...
[2020-10-16 12:08:51,192 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-10-16 12:08:51,192 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-10-16 12:08:51,192 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-10-16 12:08:51,193 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-10-16 12:08:51,204 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:08:51" (1/1) ...
[2020-10-16 12:08:51,205 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:08:51" (1/1) ...
[2020-10-16 12:08:51,209 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:08:51" (1/1) ...
[2020-10-16 12:08:51,210 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:08:51" (1/1) ...
[2020-10-16 12:08:51,222 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:08:51" (1/1) ...
[2020-10-16 12:08:51,231 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:08:51" (1/1) ...
[2020-10-16 12:08:51,235 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:08:51" (1/1) ...
[2020-10-16 12:08:51,239 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-10-16 12:08:51,240 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-10-16 12:08:51,240 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-10-16 12:08:51,240 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-10-16 12:08:51,241 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:08:51" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/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
[2020-10-16 12:08:51,318 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-10-16 12:08:51,318 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2020-10-16 12:08:51,318 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-10-16 12:08:51,319 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-10-16 12:08:51,319 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2020-10-16 12:08:51,319 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2020-10-16 12:08:51,319 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2020-10-16 12:08:51,320 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2020-10-16 12:08:51,320 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2020-10-16 12:08:51,320 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2020-10-16 12:08:51,320 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2020-10-16 12:08:51,321 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-10-16 12:08:51,321 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-10-16 12:08:51,323 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2020-10-16 12:08:53,353 INFO  L293             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-10-16 12:08:53,354 INFO  L298             CfgBuilder]: Removed 10 assume(true) statements.
[2020-10-16 12:08:53,356 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:08:53 BoogieIcfgContainer
[2020-10-16 12:08:53,356 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-10-16 12:08:53,357 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-10-16 12:08:53,358 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-10-16 12:08:53,361 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-10-16 12:08:53,362 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:08:50" (1/3) ...
[2020-10-16 12:08:53,363 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a691bc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:08:53, skipping insertion in model container
[2020-10-16 12:08:53,363 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:08:51" (2/3) ...
[2020-10-16 12:08:53,363 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a691bc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:08:53, skipping insertion in model container
[2020-10-16 12:08:53,364 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:08:53" (3/3) ...
[2020-10-16 12:08:53,366 INFO  L111   eAbstractionObserver]: Analyzing ICFG safe012_pso.opt.i
[2020-10-16 12:08:53,379 WARN  L153   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-10-16 12:08:53,379 INFO  L164   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-10-16 12:08:53,388 INFO  L176   ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations.
[2020-10-16 12:08:53,389 INFO  L348   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-10-16 12:08:53,421 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,422 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,423 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,423 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,423 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,424 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,424 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,424 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,424 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,424 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,424 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,424 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,425 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,425 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,425 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,425 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,425 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,425 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,426 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,426 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,426 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,426 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,426 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,426 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,426 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,427 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,427 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,427 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,427 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,427 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,427 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,428 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,428 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,428 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,428 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,428 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,428 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,429 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,429 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,429 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,429 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,429 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,431 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,431 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,432 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,432 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,432 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,432 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,433 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,433 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,433 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,433 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,434 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,434 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,434 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,434 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,434 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,434 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,434 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,435 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,435 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,435 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,436 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,436 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,436 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,436 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,436 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,437 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,437 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,437 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,437 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,437 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,438 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,438 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,442 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,442 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,442 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,443 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,443 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,443 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,443 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,443 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,444 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,444 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,444 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,444 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,448 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,448 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,448 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,448 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,448 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,448 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,449 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,449 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,449 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,449 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,451 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,451 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,452 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,452 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,452 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,452 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,452 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,452 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,453 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,453 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,453 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,453 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,453 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,454 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,454 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,454 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,454 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,454 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,455 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,455 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,455 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,455 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,455 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,455 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,456 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,456 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,456 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:08:53,457 INFO  L149    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2020-10-16 12:08:53,471 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2020-10-16 12:08:53,494 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2020-10-16 12:08:53,494 INFO  L378      AbstractCegarLoop]: Hoare is true
[2020-10-16 12:08:53,494 INFO  L379      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-10-16 12:08:53,494 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-10-16 12:08:53,495 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-10-16 12:08:53,495 INFO  L382      AbstractCegarLoop]: Difference is false
[2020-10-16 12:08:53,495 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-10-16 12:08:53,495 INFO  L387      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-10-16 12:08:53,509 INFO  L137   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2020-10-16 12:08:53,510 INFO  L144   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 93 transitions, 201 flow
[2020-10-16 12:08:53,513 INFO  L111        LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 93 transitions, 201 flow
[2020-10-16 12:08:53,515 INFO  L71            FinitePrefix]: Start finitePrefix. Operand has 101 places, 93 transitions, 201 flow
[2020-10-16 12:08:53,572 INFO  L129       PetriNetUnfolder]: 2/90 cut-off events.
[2020-10-16 12:08:53,573 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2020-10-16 12:08:53,580 INFO  L80            FinitePrefix]: Finished finitePrefix Result has 100 conditions, 90 events. 2/90 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 57 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 59. Up to 2 conditions per place. 
[2020-10-16 12:08:53,584 INFO  L117        LiptonReduction]: Number of co-enabled transitions 1544
[2020-10-16 12:08:54,227 WARN  L193               SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58
[2020-10-16 12:08:54,443 WARN  L193               SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 53
[2020-10-16 12:08:56,215 WARN  L193               SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89
[2020-10-16 12:08:56,369 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 87
[2020-10-16 12:08:56,376 INFO  L132        LiptonReduction]: Checked pairs total: 3871
[2020-10-16 12:08:56,376 INFO  L134        LiptonReduction]: Total number of compositions: 77
[2020-10-16 12:08:56,383 INFO  L100   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 25 transitions, 65 flow
[2020-10-16 12:08:56,431 INFO  L122   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 658 states.
[2020-10-16 12:08:56,433 INFO  L276                IsEmpty]: Start isEmpty. Operand 658 states.
[2020-10-16 12:08:56,440 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2020-10-16 12:08:56,440 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:08:56,441 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2020-10-16 12:08:56,442 INFO  L429      AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:08:56,447 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:08:56,448 INFO  L82        PathProgramCache]: Analyzing trace with hash 914764700, now seen corresponding path program 1 times
[2020-10-16 12:08:56,458 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:08:56,459 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861098895]
[2020-10-16 12:08:56,459 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:08:56,598 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:08:56,682 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:08:56,683 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861098895]
[2020-10-16 12:08:56,684 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:08:56,684 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2020-10-16 12:08:56,685 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257340802]
[2020-10-16 12:08:56,692 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-10-16 12:08:56,692 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:08:56,708 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-10-16 12:08:56,709 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 12:08:56,711 INFO  L87              Difference]: Start difference. First operand 658 states. Second operand 3 states.
[2020-10-16 12:08:56,802 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:08:56,802 INFO  L93              Difference]: Finished difference Result 550 states and 1693 transitions.
[2020-10-16 12:08:56,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-10-16 12:08:56,804 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 5
[2020-10-16 12:08:56,805 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:08:56,827 INFO  L225             Difference]: With dead ends: 550
[2020-10-16 12:08:56,827 INFO  L226             Difference]: Without dead ends: 450
[2020-10-16 12:08:56,829 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 12:08:56,854 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 450 states.
[2020-10-16 12:08:56,922 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450.
[2020-10-16 12:08:56,923 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 450 states.
[2020-10-16 12:08:56,929 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 1358 transitions.
[2020-10-16 12:08:56,931 INFO  L78                 Accepts]: Start accepts. Automaton has 450 states and 1358 transitions. Word has length 5
[2020-10-16 12:08:56,931 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:08:56,931 INFO  L481      AbstractCegarLoop]: Abstraction has 450 states and 1358 transitions.
[2020-10-16 12:08:56,931 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-10-16 12:08:56,932 INFO  L276                IsEmpty]: Start isEmpty. Operand 450 states and 1358 transitions.
[2020-10-16 12:08:56,933 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2020-10-16 12:08:56,933 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:08:56,933 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:08:56,933 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-10-16 12:08:56,934 INFO  L429      AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:08:56,934 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:08:56,934 INFO  L82        PathProgramCache]: Analyzing trace with hash 1558775814, now seen corresponding path program 1 times
[2020-10-16 12:08:56,934 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:08:56,935 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664092662]
[2020-10-16 12:08:56,935 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:08:56,967 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:08:57,024 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:08:57,024 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664092662]
[2020-10-16 12:08:57,025 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:08:57,025 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2020-10-16 12:08:57,025 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989337890]
[2020-10-16 12:08:57,026 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-10-16 12:08:57,027 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:08:57,027 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-10-16 12:08:57,027 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 12:08:57,028 INFO  L87              Difference]: Start difference. First operand 450 states and 1358 transitions. Second operand 3 states.
[2020-10-16 12:08:57,037 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:08:57,038 INFO  L93              Difference]: Finished difference Result 430 states and 1287 transitions.
[2020-10-16 12:08:57,038 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-10-16 12:08:57,038 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 9
[2020-10-16 12:08:57,038 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:08:57,043 INFO  L225             Difference]: With dead ends: 430
[2020-10-16 12:08:57,043 INFO  L226             Difference]: Without dead ends: 430
[2020-10-16 12:08:57,044 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 12:08:57,046 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 430 states.
[2020-10-16 12:08:57,059 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 430.
[2020-10-16 12:08:57,060 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 430 states.
[2020-10-16 12:08:57,063 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 1287 transitions.
[2020-10-16 12:08:57,063 INFO  L78                 Accepts]: Start accepts. Automaton has 430 states and 1287 transitions. Word has length 9
[2020-10-16 12:08:57,064 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:08:57,064 INFO  L481      AbstractCegarLoop]: Abstraction has 430 states and 1287 transitions.
[2020-10-16 12:08:57,064 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-10-16 12:08:57,065 INFO  L276                IsEmpty]: Start isEmpty. Operand 430 states and 1287 transitions.
[2020-10-16 12:08:57,067 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2020-10-16 12:08:57,068 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:08:57,068 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:08:57,069 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-10-16 12:08:57,069 INFO  L429      AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:08:57,069 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:08:57,070 INFO  L82        PathProgramCache]: Analyzing trace with hash 1076655373, now seen corresponding path program 1 times
[2020-10-16 12:08:57,070 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:08:57,070 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717611886]
[2020-10-16 12:08:57,070 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:08:57,125 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:08:57,212 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:08:57,213 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717611886]
[2020-10-16 12:08:57,213 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:08:57,213 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-10-16 12:08:57,214 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142112096]
[2020-10-16 12:08:57,214 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-10-16 12:08:57,214 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:08:57,214 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-10-16 12:08:57,215 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-10-16 12:08:57,216 INFO  L87              Difference]: Start difference. First operand 430 states and 1287 transitions. Second operand 4 states.
[2020-10-16 12:08:57,263 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:08:57,263 INFO  L93              Difference]: Finished difference Result 542 states and 1583 transitions.
[2020-10-16 12:08:57,264 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-10-16 12:08:57,264 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 10
[2020-10-16 12:08:57,264 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:08:57,267 INFO  L225             Difference]: With dead ends: 542
[2020-10-16 12:08:57,267 INFO  L226             Difference]: Without dead ends: 302
[2020-10-16 12:08:57,267 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-10-16 12:08:57,269 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 302 states.
[2020-10-16 12:08:57,277 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 302.
[2020-10-16 12:08:57,278 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 302 states.
[2020-10-16 12:08:57,280 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 847 transitions.
[2020-10-16 12:08:57,280 INFO  L78                 Accepts]: Start accepts. Automaton has 302 states and 847 transitions. Word has length 10
[2020-10-16 12:08:57,280 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:08:57,280 INFO  L481      AbstractCegarLoop]: Abstraction has 302 states and 847 transitions.
[2020-10-16 12:08:57,280 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-10-16 12:08:57,281 INFO  L276                IsEmpty]: Start isEmpty. Operand 302 states and 847 transitions.
[2020-10-16 12:08:57,282 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2020-10-16 12:08:57,282 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:08:57,283 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:08:57,283 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-10-16 12:08:57,283 INFO  L429      AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:08:57,283 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:08:57,283 INFO  L82        PathProgramCache]: Analyzing trace with hash -375264647, now seen corresponding path program 1 times
[2020-10-16 12:08:57,284 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:08:57,284 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049321886]
[2020-10-16 12:08:57,284 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:08:57,305 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:08:57,333 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:08:57,334 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049321886]
[2020-10-16 12:08:57,334 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:08:57,334 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2020-10-16 12:08:57,335 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103591085]
[2020-10-16 12:08:57,335 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-10-16 12:08:57,335 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:08:57,336 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-10-16 12:08:57,336 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 12:08:57,336 INFO  L87              Difference]: Start difference. First operand 302 states and 847 transitions. Second operand 3 states.
[2020-10-16 12:08:57,346 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:08:57,346 INFO  L93              Difference]: Finished difference Result 290 states and 806 transitions.
[2020-10-16 12:08:57,346 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-10-16 12:08:57,347 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 12
[2020-10-16 12:08:57,347 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:08:57,349 INFO  L225             Difference]: With dead ends: 290
[2020-10-16 12:08:57,349 INFO  L226             Difference]: Without dead ends: 290
[2020-10-16 12:08:57,350 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 12:08:57,351 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 290 states.
[2020-10-16 12:08:57,358 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290.
[2020-10-16 12:08:57,358 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 290 states.
[2020-10-16 12:08:57,360 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 806 transitions.
[2020-10-16 12:08:57,360 INFO  L78                 Accepts]: Start accepts. Automaton has 290 states and 806 transitions. Word has length 12
[2020-10-16 12:08:57,360 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:08:57,360 INFO  L481      AbstractCegarLoop]: Abstraction has 290 states and 806 transitions.
[2020-10-16 12:08:57,360 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-10-16 12:08:57,361 INFO  L276                IsEmpty]: Start isEmpty. Operand 290 states and 806 transitions.
[2020-10-16 12:08:57,363 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2020-10-16 12:08:57,363 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:08:57,363 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:08:57,363 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-10-16 12:08:57,363 INFO  L429      AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:08:57,364 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:08:57,364 INFO  L82        PathProgramCache]: Analyzing trace with hash -700549640, now seen corresponding path program 1 times
[2020-10-16 12:08:57,364 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:08:57,364 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153105303]
[2020-10-16 12:08:57,365 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:08:57,382 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:08:57,419 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:08:57,420 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153105303]
[2020-10-16 12:08:57,420 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:08:57,420 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-10-16 12:08:57,421 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018284463]
[2020-10-16 12:08:57,421 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-10-16 12:08:57,421 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:08:57,421 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-10-16 12:08:57,422 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-10-16 12:08:57,422 INFO  L87              Difference]: Start difference. First operand 290 states and 806 transitions. Second operand 4 states.
[2020-10-16 12:08:57,448 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:08:57,449 INFO  L93              Difference]: Finished difference Result 362 states and 992 transitions.
[2020-10-16 12:08:57,451 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-10-16 12:08:57,451 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 13
[2020-10-16 12:08:57,451 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:08:57,453 INFO  L225             Difference]: With dead ends: 362
[2020-10-16 12:08:57,454 INFO  L226             Difference]: Without dead ends: 173
[2020-10-16 12:08:57,454 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-10-16 12:08:57,455 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 173 states.
[2020-10-16 12:08:57,459 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173.
[2020-10-16 12:08:57,460 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 173 states.
[2020-10-16 12:08:57,461 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 452 transitions.
[2020-10-16 12:08:57,461 INFO  L78                 Accepts]: Start accepts. Automaton has 173 states and 452 transitions. Word has length 13
[2020-10-16 12:08:57,461 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:08:57,461 INFO  L481      AbstractCegarLoop]: Abstraction has 173 states and 452 transitions.
[2020-10-16 12:08:57,461 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-10-16 12:08:57,462 INFO  L276                IsEmpty]: Start isEmpty. Operand 173 states and 452 transitions.
[2020-10-16 12:08:57,466 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2020-10-16 12:08:57,466 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:08:57,466 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:08:57,466 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-10-16 12:08:57,467 INFO  L429      AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:08:57,467 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:08:57,467 INFO  L82        PathProgramCache]: Analyzing trace with hash 85498302, now seen corresponding path program 1 times
[2020-10-16 12:08:57,468 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:08:57,468 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791945381]
[2020-10-16 12:08:57,468 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:08:57,523 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:08:57,575 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:08:57,576 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791945381]
[2020-10-16 12:08:57,576 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:08:57,576 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-10-16 12:08:57,576 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927876112]
[2020-10-16 12:08:57,577 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-10-16 12:08:57,577 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:08:57,577 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-10-16 12:08:57,577 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-10-16 12:08:57,578 INFO  L87              Difference]: Start difference. First operand 173 states and 452 transitions. Second operand 4 states.
[2020-10-16 12:08:57,612 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:08:57,613 INFO  L93              Difference]: Finished difference Result 173 states and 397 transitions.
[2020-10-16 12:08:57,613 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-10-16 12:08:57,614 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 14
[2020-10-16 12:08:57,614 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:08:57,615 INFO  L225             Difference]: With dead ends: 173
[2020-10-16 12:08:57,615 INFO  L226             Difference]: Without dead ends: 129
[2020-10-16 12:08:57,616 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-10-16 12:08:57,616 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 129 states.
[2020-10-16 12:08:57,619 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129.
[2020-10-16 12:08:57,619 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 129 states.
[2020-10-16 12:08:57,620 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 292 transitions.
[2020-10-16 12:08:57,620 INFO  L78                 Accepts]: Start accepts. Automaton has 129 states and 292 transitions. Word has length 14
[2020-10-16 12:08:57,620 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:08:57,620 INFO  L481      AbstractCegarLoop]: Abstraction has 129 states and 292 transitions.
[2020-10-16 12:08:57,620 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-10-16 12:08:57,620 INFO  L276                IsEmpty]: Start isEmpty. Operand 129 states and 292 transitions.
[2020-10-16 12:08:57,621 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2020-10-16 12:08:57,621 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:08:57,621 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:08:57,622 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-10-16 12:08:57,622 INFO  L429      AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:08:57,622 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:08:57,622 INFO  L82        PathProgramCache]: Analyzing trace with hash 497655449, now seen corresponding path program 1 times
[2020-10-16 12:08:57,623 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:08:57,623 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524446231]
[2020-10-16 12:08:57,623 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:08:57,652 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:08:57,700 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:08:57,701 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524446231]
[2020-10-16 12:08:57,701 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:08:57,701 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-10-16 12:08:57,701 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531293322]
[2020-10-16 12:08:57,702 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-10-16 12:08:57,702 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:08:57,702 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-10-16 12:08:57,702 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-10-16 12:08:57,702 INFO  L87              Difference]: Start difference. First operand 129 states and 292 transitions. Second operand 5 states.
[2020-10-16 12:08:57,749 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:08:57,749 INFO  L93              Difference]: Finished difference Result 107 states and 211 transitions.
[2020-10-16 12:08:57,750 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-10-16 12:08:57,750 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 16
[2020-10-16 12:08:57,751 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:08:57,751 INFO  L225             Difference]: With dead ends: 107
[2020-10-16 12:08:57,752 INFO  L226             Difference]: Without dead ends: 81
[2020-10-16 12:08:57,752 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-10-16 12:08:57,753 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 81 states.
[2020-10-16 12:08:57,755 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81.
[2020-10-16 12:08:57,755 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 81 states.
[2020-10-16 12:08:57,756 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 152 transitions.
[2020-10-16 12:08:57,756 INFO  L78                 Accepts]: Start accepts. Automaton has 81 states and 152 transitions. Word has length 16
[2020-10-16 12:08:57,757 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:08:57,757 INFO  L481      AbstractCegarLoop]: Abstraction has 81 states and 152 transitions.
[2020-10-16 12:08:57,757 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-10-16 12:08:57,757 INFO  L276                IsEmpty]: Start isEmpty. Operand 81 states and 152 transitions.
[2020-10-16 12:08:57,758 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2020-10-16 12:08:57,758 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:08:57,758 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:08:57,759 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-10-16 12:08:57,759 INFO  L429      AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:08:57,759 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:08:57,759 INFO  L82        PathProgramCache]: Analyzing trace with hash 1445024253, now seen corresponding path program 1 times
[2020-10-16 12:08:57,760 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:08:57,760 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644613826]
[2020-10-16 12:08:57,760 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:08:57,820 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:08:57,911 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:08:57,912 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644613826]
[2020-10-16 12:08:57,912 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:08:57,913 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-10-16 12:08:57,913 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999151291]
[2020-10-16 12:08:57,913 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-10-16 12:08:57,914 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:08:57,914 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-10-16 12:08:57,914 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-10-16 12:08:57,915 INFO  L87              Difference]: Start difference. First operand 81 states and 152 transitions. Second operand 6 states.
[2020-10-16 12:08:57,976 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:08:57,977 INFO  L93              Difference]: Finished difference Result 69 states and 126 transitions.
[2020-10-16 12:08:57,978 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-10-16 12:08:57,978 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 18
[2020-10-16 12:08:57,978 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:08:57,979 INFO  L225             Difference]: With dead ends: 69
[2020-10-16 12:08:57,979 INFO  L226             Difference]: Without dead ends: 61
[2020-10-16 12:08:57,980 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2020-10-16 12:08:57,980 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 61 states.
[2020-10-16 12:08:57,982 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61.
[2020-10-16 12:08:57,982 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 61 states.
[2020-10-16 12:08:57,983 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 112 transitions.
[2020-10-16 12:08:57,983 INFO  L78                 Accepts]: Start accepts. Automaton has 61 states and 112 transitions. Word has length 18
[2020-10-16 12:08:57,983 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:08:57,983 INFO  L481      AbstractCegarLoop]: Abstraction has 61 states and 112 transitions.
[2020-10-16 12:08:57,984 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-10-16 12:08:57,984 INFO  L276                IsEmpty]: Start isEmpty. Operand 61 states and 112 transitions.
[2020-10-16 12:08:57,984 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2020-10-16 12:08:57,984 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:08:57,984 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:08:57,985 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2020-10-16 12:08:57,985 INFO  L429      AbstractCegarLoop]: === Iteration 9 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:08:57,985 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:08:57,986 INFO  L82        PathProgramCache]: Analyzing trace with hash 1319644494, now seen corresponding path program 1 times
[2020-10-16 12:08:57,986 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:08:57,986 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799901753]
[2020-10-16 12:08:57,986 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:08:58,030 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:08:58,303 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:08:58,303 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799901753]
[2020-10-16 12:08:58,304 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:08:58,304 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-10-16 12:08:58,304 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983758468]
[2020-10-16 12:08:58,304 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-10-16 12:08:58,305 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:08:58,305 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-10-16 12:08:58,305 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-10-16 12:08:58,305 INFO  L87              Difference]: Start difference. First operand 61 states and 112 transitions. Second operand 7 states.
[2020-10-16 12:08:58,446 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:08:58,446 INFO  L93              Difference]: Finished difference Result 75 states and 134 transitions.
[2020-10-16 12:08:58,446 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-10-16 12:08:58,447 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 20
[2020-10-16 12:08:58,447 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:08:58,447 INFO  L225             Difference]: With dead ends: 75
[2020-10-16 12:08:58,448 INFO  L226             Difference]: Without dead ends: 41
[2020-10-16 12:08:58,448 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110
[2020-10-16 12:08:58,448 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2020-10-16 12:08:58,449 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41.
[2020-10-16 12:08:58,449 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 41 states.
[2020-10-16 12:08:58,450 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 64 transitions.
[2020-10-16 12:08:58,450 INFO  L78                 Accepts]: Start accepts. Automaton has 41 states and 64 transitions. Word has length 20
[2020-10-16 12:08:58,450 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:08:58,450 INFO  L481      AbstractCegarLoop]: Abstraction has 41 states and 64 transitions.
[2020-10-16 12:08:58,450 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-10-16 12:08:58,451 INFO  L276                IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions.
[2020-10-16 12:08:58,451 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2020-10-16 12:08:58,451 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:08:58,451 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:08:58,452 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2020-10-16 12:08:58,452 INFO  L429      AbstractCegarLoop]: === Iteration 10 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:08:58,452 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:08:58,452 INFO  L82        PathProgramCache]: Analyzing trace with hash 1246216568, now seen corresponding path program 2 times
[2020-10-16 12:08:58,452 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:08:58,453 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350506597]
[2020-10-16 12:08:58,453 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:08:58,495 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-10-16 12:08:58,501 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-10-16 12:08:58,601 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-10-16 12:08:58,601 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-10-16 12:08:58,660 INFO  L173   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2020-10-16 12:08:58,661 INFO  L523         BasicCegarLoop]: Counterexample might be feasible
[2020-10-16 12:08:58,661 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2020-10-16 12:08:58,662 WARN  L264   etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available.
[2020-10-16 12:08:58,682 WARN  L124   codingBacktranslator]: Skipped backtranslation of ATE [921] [921] L829-->L836: Formula: (let ((.cse7 (= (mod ~x$r_buff0_thd0~0_In-1247001632 256) 0)) (.cse6 (= (mod ~x$w_buff0_used~0_In-1247001632 256) 0)) (.cse9 (= (mod ~x$w_buff1_used~0_In-1247001632 256) 0)) (.cse8 (= (mod ~x$r_buff1_thd0~0_In-1247001632 256) 0))) (let ((.cse2 (or .cse9 .cse8)) (.cse0 (not .cse9)) (.cse1 (not .cse8)) (.cse4 (not .cse6)) (.cse5 (not .cse7)) (.cse3 (or .cse6 .cse7))) (and (or (and (or (and .cse0 (= ~x~0_Out-1247001632 ~x$w_buff1~0_In-1247001632) .cse1) (and .cse2 (= ~x~0_Out-1247001632 ~x~0_In-1247001632))) .cse3) (and .cse4 .cse5 (= ~x~0_Out-1247001632 ~x$w_buff0~0_In-1247001632))) (or (and (= ~x$w_buff1_used~0_In-1247001632 ~x$w_buff1_used~0_Out-1247001632) .cse2) (and .cse0 .cse1 (= ~x$w_buff1_used~0_Out-1247001632 0))) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out-1247001632 0)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond_In-1247001632| ULTIMATE.start_assume_abort_if_not_~cond_Out-1247001632) (= ~x$r_buff1_thd0~0_In-1247001632 ~x$r_buff1_thd0~0_Out-1247001632) (= ~x$r_buff0_thd0~0_Out-1247001632 ~x$r_buff0_thd0~0_In-1247001632) (or (and .cse4 .cse5 (= ~x$w_buff0_used~0_Out-1247001632 0)) (and .cse3 (= ~x$w_buff0_used~0_In-1247001632 ~x$w_buff0_used~0_Out-1247001632))))))  InVars {~x$w_buff0~0=~x$w_buff0~0_In-1247001632, ~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_In-1247001632, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In-1247001632|, ~x$w_buff1~0=~x$w_buff1~0_In-1247001632, ~x$w_buff1_used~0=~x$w_buff1_used~0_In-1247001632, ~x$r_buff1_thd0~0=~x$r_buff1_thd0~0_In-1247001632, ~x~0=~x~0_In-1247001632, ~x$w_buff0_used~0=~x$w_buff0_used~0_In-1247001632}  OutVars{~x$w_buff0~0=~x$w_buff0~0_In-1247001632, ~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_Out-1247001632, ~x$w_buff1~0=~x$w_buff1~0_In-1247001632, ~x$w_buff1_used~0=~x$w_buff1_used~0_Out-1247001632, ~x$r_buff1_thd0~0=~x$r_buff1_thd0~0_Out-1247001632, ULTIMATE.start_main_#t~ite43=|ULTIMATE.start_main_#t~ite43_Out-1247001632|, ULTIMATE.start_main_#t~ite42=|ULTIMATE.start_main_#t~ite42_Out-1247001632|, ULTIMATE.start_main_#t~ite45=|ULTIMATE.start_main_#t~ite45_Out-1247001632|, ~x$w_buff0_used~0=~x$w_buff0_used~0_Out-1247001632, ULTIMATE.start_main_#t~ite44=|ULTIMATE.start_main_#t~ite44_Out-1247001632|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In-1247001632|, ULTIMATE.start_main_#t~ite41=|ULTIMATE.start_main_#t~ite41_Out-1247001632|, ULTIMATE.start_main_#t~ite40=|ULTIMATE.start_main_#t~ite40_Out-1247001632|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out-1247001632, ~x~0=~x~0_Out-1247001632}  AuxVars[]  AssignedVars[~x$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite41, ULTIMATE.start_main_#t~ite40, ULTIMATE.start_assume_abort_if_not_~cond, ~x$w_buff1_used~0, ~x$r_buff1_thd0~0, ULTIMATE.start_main_#t~ite43, ULTIMATE.start_main_#t~ite42, ~x~0, ULTIMATE.start_main_#t~ite45, ~x$w_buff0_used~0, ULTIMATE.start_main_#t~ite44] because there is no mapped edge
[2020-10-16 12:08:58,698 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:08:58,698 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:08:58,699 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:08:58,699 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:08:58,699 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:08:58,699 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:08:58,700 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:08:58,701 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:08:58,701 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:08:58,701 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:08:58,701 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:08:58,702 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:08:58,702 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:08:58,702 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:08:58,703 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:08:58,703 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:08:58,703 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:08:58,704 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:08:58,704 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:08:58,705 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:08:58,705 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:08:58,705 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:08:58,705 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:08:58,705 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:08:58,705 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:08:58,706 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:08:58,706 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:08:58,706 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:08:58,706 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:08:58,706 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:08:58,706 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:08:58,707 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:08:58,707 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:08:58,707 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:08:58,707 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:08:58,707 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:08:58,712 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:08:58,712 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:08:58,712 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:08:58,712 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:08:58,712 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:08:58,713 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:08:58,713 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:08:58,713 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:08:58,713 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:08:58,713 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:08:58,801 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:08:58 BasicIcfg
[2020-10-16 12:08:58,801 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-10-16 12:08:58,803 INFO  L168              Benchmark]: Toolchain (without parser) took 8456.08 ms. Allocated memory was 140.5 MB in the beginning and 325.6 MB in the end (delta: 185.1 MB). Free memory was 102.0 MB in the beginning and 209.0 MB in the end (delta: -107.0 MB). Peak memory consumption was 78.1 MB. Max. memory is 7.1 GB.
[2020-10-16 12:08:58,804 INFO  L168              Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-10-16 12:08:58,805 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 779.61 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 101.6 MB in the beginning and 154.4 MB in the end (delta: -52.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB.
[2020-10-16 12:08:58,805 INFO  L168              Benchmark]: Boogie Procedure Inliner took 63.56 ms. Allocated memory is still 202.9 MB. Free memory was 154.4 MB in the beginning and 151.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB.
[2020-10-16 12:08:58,806 INFO  L168              Benchmark]: Boogie Preprocessor took 47.30 ms. Allocated memory is still 202.9 MB. Free memory was 151.8 MB in the beginning and 149.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
[2020-10-16 12:08:58,807 INFO  L168              Benchmark]: RCFGBuilder took 2116.46 ms. Allocated memory was 202.9 MB in the beginning and 247.5 MB in the end (delta: 44.6 MB). Free memory was 149.8 MB in the beginning and 190.5 MB in the end (delta: -40.7 MB). Peak memory consumption was 102.2 MB. Max. memory is 7.1 GB.
[2020-10-16 12:08:58,808 INFO  L168              Benchmark]: TraceAbstraction took 5443.82 ms. Allocated memory was 247.5 MB in the beginning and 325.6 MB in the end (delta: 78.1 MB). Free memory was 190.5 MB in the beginning and 209.0 MB in the end (delta: -18.5 MB). Peak memory consumption was 59.6 MB. Max. memory is 7.1 GB.
[2020-10-16 12:08:58,812 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 779.61 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 101.6 MB in the beginning and 154.4 MB in the end (delta: -52.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB.
 * Boogie Procedure Inliner took 63.56 ms. Allocated memory is still 202.9 MB. Free memory was 154.4 MB in the beginning and 151.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 47.30 ms. Allocated memory is still 202.9 MB. Free memory was 151.8 MB in the beginning and 149.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 2116.46 ms. Allocated memory was 202.9 MB in the beginning and 247.5 MB in the end (delta: 44.6 MB). Free memory was 149.8 MB in the beginning and 190.5 MB in the end (delta: -40.7 MB). Peak memory consumption was 102.2 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 5443.82 ms. Allocated memory was 247.5 MB in the beginning and 325.6 MB in the end (delta: 78.1 MB). Free memory was 190.5 MB in the beginning and 209.0 MB in the end (delta: -18.5 MB). Peak memory consumption was 59.6 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    805 VarBasedMoverChecksPositive, 36 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 76 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.8s, 101 PlacesBefore, 35 PlacesAfterwards, 93 TransitionsBefore, 25 TransitionsAfterwards, 1544 CoEnabledTransitionPairs, 6 FixpointIterations, 33 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 2 ChoiceCompositions, 77 TotalNumberOfCompositions, 3871 MoverChecksTotal
  - CounterExampleResult [Line: 8]: a call of __VERIFIER_error() is reachable
    a call of __VERIFIER_error() is reachable
We found a FailurePath: 
[L699]               0  int __unbuffered_cnt = 0;
[L701]               0  int __unbuffered_p0_EAX = 0;
[L703]               0  int __unbuffered_p0_EBX = 0;
[L705]               0  int __unbuffered_p2_EAX = 0;
[L706]               0  _Bool main$tmp_guard0;
[L707]               0  _Bool main$tmp_guard1;
[L709]               0  int x = 0;
[L710]               0  _Bool x$flush_delayed;
[L711]               0  int x$mem_tmp;
[L712]               0  _Bool x$r_buff0_thd0;
[L713]               0  _Bool x$r_buff0_thd1;
[L714]               0  _Bool x$r_buff0_thd2;
[L715]               0  _Bool x$r_buff0_thd3;
[L716]               0  _Bool x$r_buff1_thd0;
[L717]               0  _Bool x$r_buff1_thd1;
[L718]               0  _Bool x$r_buff1_thd2;
[L719]               0  _Bool x$r_buff1_thd3;
[L720]               0  _Bool x$read_delayed;
[L721]               0  int *x$read_delayed_var;
[L722]               0  int x$w_buff0;
[L723]               0  _Bool x$w_buff0_used;
[L724]               0  int x$w_buff1;
[L725]               0  _Bool x$w_buff1_used;
[L727]               0  int y = 0;
[L729]               0  int z = 0;
[L730]               0  _Bool weak$$choice0;
[L731]               0  _Bool weak$$choice2;
[L820]               0  pthread_t t2058;
[L821]  FCALL, FORK  0  pthread_create(&t2058, ((void *)0), P0, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0]
[L822]               0  pthread_t t2059;
[L823]  FCALL, FORK  0  pthread_create(&t2059, ((void *)0), P1, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0]
[L824]               0  pthread_t t2060;
[L825]  FCALL, FORK  0  pthread_create(&t2060, ((void *)0), P2, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0]
[L763]               2  x$w_buff1 = x$w_buff0
[L764]               2  x$w_buff0 = 1
[L765]               2  x$w_buff1_used = x$w_buff0_used
[L766]               2  x$w_buff0_used = (_Bool)1
[L8]    COND TRUE    2  !expression
[L8]                 2  __VERIFIER_error()
[L768]               2  x$r_buff1_thd0 = x$r_buff0_thd0
[L769]               2  x$r_buff1_thd1 = x$r_buff0_thd1
[L770]               2  x$r_buff1_thd2 = x$r_buff0_thd2
[L771]               2  x$r_buff1_thd3 = x$r_buff0_thd3
[L772]               2  x$r_buff0_thd2 = (_Bool)1
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0]
[L775]               2  y = 1
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0]
[L792]               3  __unbuffered_p2_EAX = y
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0]
[L795]               3  z = 1
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1]
[L735]               1  __unbuffered_p0_EAX = z
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1]
[L798]  EXPR         3  x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x)
[L798]  EXPR         3  x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x
[L798]  EXPR         3  x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x)
[L798]               3  x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x)
[L799]  EXPR         3  x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used
[L799]               3  x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used
[L800]  EXPR         3  x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used
[L800]               3  x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used
[L801]  EXPR         3  x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3
[L801]               3  x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3
[L802]  EXPR         3  x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3
[L802]               3  x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3
[L805]               3  __unbuffered_cnt = __unbuffered_cnt + 1
[L807]               3  return 0;
[L738]               1  weak$$choice0 = __VERIFIER_nondet_bool()
[L739]               1  weak$$choice2 = __VERIFIER_nondet_bool()
[L740]               1  x$flush_delayed = weak$$choice2
[L741]               1  x$mem_tmp = x
[L742]  EXPR         1  !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1)
[L742]  EXPR         1  x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1
[L742]  EXPR         1  !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1)
[L742]               1  x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1)
[L743]  EXPR         1  weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0))
[L743]  EXPR         1  !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)
[L743]  EXPR         1  weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0))
[L743]               1  x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0))
[L744]  EXPR         1  weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1))
[L744]               1  x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1))
[L745]  EXPR         1  weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used))
[L745]               1  x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used))
[L746]  EXPR         1  weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))
[L746]  EXPR         1  !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)
[L746]  EXPR         1  weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))
[L746]               1  x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))
[L747]  EXPR         1  weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1))
[L747]               1  x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1))
[L748]  EXPR         1  weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))
[L748]               1  x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))
[L749]               1  __unbuffered_p0_EBX = x
[L750]  EXPR         1  x$flush_delayed ? x$mem_tmp : x
[L750]               1  x = x$flush_delayed ? x$mem_tmp : x
[L751]               1  x$flush_delayed = (_Bool)0
        VAL             [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=255, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1]
[L778]  EXPR         2  x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x)
[L778]               2  x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x)
[L779]  EXPR         2  x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used
[L779]               2  x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used
[L780]  EXPR         2  x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used
[L780]               2  x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used
[L781]  EXPR         2  x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2
[L781]               2  x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2
[L782]  EXPR         2  x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2
[L782]               2  x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2
[L785]               2  __unbuffered_cnt = __unbuffered_cnt + 1
[L787]               2  return 0;
[L756]               1  __unbuffered_cnt = __unbuffered_cnt + 1
[L758]               1  return 0;
[L827]               0  main$tmp_guard0 = __unbuffered_cnt == 3
[L838]               0  main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p2_EAX == 1)
[L8]    COND TRUE    0  !expression
[L8]                 0  __VERIFIER_error()
        VAL             [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=255, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 4 procedures, 92 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.1s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.9s, HoareTripleCheckerStatistics: 187 SDtfs, 199 SDslu, 260 SDs, 0 SdLazy, 133 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=658occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 137 NumberOfCodeBlocks, 137 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 7901 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...