/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix037_pso.opt.i


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


This is Ultimate 0.1.25-b09bf87
[2020-10-16 11:11:36,746 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-10-16 11:11:36,749 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
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[2020-10-16 11:11:36,790 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
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[2020-10-16 11:11:36,820 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-10-16 11:11:36,821 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-10-16 11:11:36,822 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
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[2020-10-16 11:11:36,826 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-10-16 11:11:36,827 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
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[2020-10-16 11:11:36,830 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2020-10-16 11:11:36,839 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-10-16 11:11:36,859 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-10-16 11:11:36,860 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-10-16 11:11:36,861 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-10-16 11:11:36,861 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-10-16 11:11:36,861 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-10-16 11:11:36,862 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-10-16 11:11:36,862 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-10-16 11:11:36,862 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-10-16 11:11:36,862 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-10-16 11:11:36,862 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-10-16 11:11:36,863 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-10-16 11:11:36,863 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-10-16 11:11:36,863 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-10-16 11:11:36,863 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-10-16 11:11:36,863 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-10-16 11:11:36,864 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-10-16 11:11:36,864 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-10-16 11:11:36,864 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-10-16 11:11:36,864 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-10-16 11:11:36,864 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-10-16 11:11:36,865 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-10-16 11:11:36,865 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-10-16 11:11:36,865 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-10-16 11:11:36,865 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-10-16 11:11:36,865 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-10-16 11:11:36,865 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-10-16 11:11:36,866 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-10-16 11:11:36,866 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-10-16 11:11:36,866 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-10-16 11:11:36,866 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2020-10-16 11:11:37,142 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-10-16 11:11:37,153 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-10-16 11:11:37,157 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-10-16 11:11:37,158 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-10-16 11:11:37,158 INFO  L275        PluginConnector]: CDTParser initialized
[2020-10-16 11:11:37,159 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix037_pso.opt.i
[2020-10-16 11:11:37,220 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1614f8d56/f897cae28d1b4f03a66bcc37cf0cfbe5/FLAGe2790cfba
[2020-10-16 11:11:37,797 INFO  L306              CDTParser]: Found 1 translation units.
[2020-10-16 11:11:37,798 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/mix037_pso.opt.i
[2020-10-16 11:11:37,814 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1614f8d56/f897cae28d1b4f03a66bcc37cf0cfbe5/FLAGe2790cfba
[2020-10-16 11:11:38,052 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1614f8d56/f897cae28d1b4f03a66bcc37cf0cfbe5
[2020-10-16 11:11:38,061 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-10-16 11:11:38,063 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2020-10-16 11:11:38,064 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-10-16 11:11:38,064 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-10-16 11:11:38,067 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-10-16 11:11:38,069 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:11:38" (1/1) ...
[2020-10-16 11:11:38,071 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@132a106a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:11:38, skipping insertion in model container
[2020-10-16 11:11:38,072 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:11:38" (1/1) ...
[2020-10-16 11:11:38,080 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-10-16 11:11:38,153 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-10-16 11:11:38,694 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-10-16 11:11:38,715 INFO  L203         MainTranslator]: Completed pre-run
[2020-10-16 11:11:38,806 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-10-16 11:11:38,882 INFO  L208         MainTranslator]: Completed translation
[2020-10-16 11:11:38,883 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:11:38 WrapperNode
[2020-10-16 11:11:38,883 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-10-16 11:11:38,884 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-10-16 11:11:38,884 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-10-16 11:11:38,884 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2020-10-16 11:11:38,893 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:11:38" (1/1) ...
[2020-10-16 11:11:38,914 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:11:38" (1/1) ...
[2020-10-16 11:11:38,947 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-10-16 11:11:38,947 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-10-16 11:11:38,947 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-10-16 11:11:38,948 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-10-16 11:11:38,957 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:11:38" (1/1) ...
[2020-10-16 11:11:38,957 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:11:38" (1/1) ...
[2020-10-16 11:11:38,963 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:11:38" (1/1) ...
[2020-10-16 11:11:38,963 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:11:38" (1/1) ...
[2020-10-16 11:11:38,973 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:11:38" (1/1) ...
[2020-10-16 11:11:38,977 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:11:38" (1/1) ...
[2020-10-16 11:11:38,981 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:11:38" (1/1) ...
[2020-10-16 11:11:38,986 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-10-16 11:11:38,987 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-10-16 11:11:38,987 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-10-16 11:11:38,987 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-10-16 11:11:38,988 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:11:38" (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 11:11:39,057 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-10-16 11:11:39,057 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2020-10-16 11:11:39,057 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-10-16 11:11:39,058 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-10-16 11:11:39,058 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2020-10-16 11:11:39,058 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2020-10-16 11:11:39,058 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2020-10-16 11:11:39,058 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2020-10-16 11:11:39,058 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2020-10-16 11:11:39,059 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2020-10-16 11:11:39,059 INFO  L130     BoogieDeclarations]: Found specification of procedure P3
[2020-10-16 11:11:39,059 INFO  L138     BoogieDeclarations]: Found implementation of procedure P3
[2020-10-16 11:11:39,059 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2020-10-16 11:11:39,059 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-10-16 11:11:39,060 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-10-16 11:11:39,062 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 11:11:40,843 INFO  L293             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-10-16 11:11:40,844 INFO  L298             CfgBuilder]: Removed 10 assume(true) statements.
[2020-10-16 11:11:40,846 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:11:40 BoogieIcfgContainer
[2020-10-16 11:11:40,846 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-10-16 11:11:40,867 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-10-16 11:11:40,868 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-10-16 11:11:40,871 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-10-16 11:11:40,871 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:11:38" (1/3) ...
[2020-10-16 11:11:40,872 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fcfa754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:11:40, skipping insertion in model container
[2020-10-16 11:11:40,872 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:11:38" (2/3) ...
[2020-10-16 11:11:40,873 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fcfa754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:11:40, skipping insertion in model container
[2020-10-16 11:11:40,873 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:11:40" (3/3) ...
[2020-10-16 11:11:40,876 INFO  L111   eAbstractionObserver]: Analyzing ICFG mix037_pso.opt.i
[2020-10-16 11:11:40,887 WARN  L153   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-10-16 11:11:40,888 INFO  L164   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-10-16 11:11:40,895 INFO  L176   ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations.
[2020-10-16 11:11:40,896 INFO  L348   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-10-16 11:11:40,929 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,929 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,930 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,931 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,932 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,932 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,932 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,932 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,933 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,933 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,933 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,933 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,935 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,935 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,935 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,936 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,936 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,936 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,936 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,936 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,937 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,937 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,937 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,937 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,938 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,938 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,938 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,938 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,938 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,938 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,939 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,939 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,939 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,939 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,940 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,940 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,940 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,941 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,942 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,942 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,942 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,943 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,943 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,943 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,943 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,943 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,943 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,944 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,944 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,944 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,944 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,944 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,945 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,945 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,947 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,947 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,947 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,948 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,948 WARN  L313   ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,948 WARN  L313   ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,948 WARN  L313   ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,948 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,949 WARN  L313   ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,949 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,952 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,953 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,953 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,953 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,953 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,953 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,953 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,954 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,954 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,961 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,961 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,961 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,962 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,963 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,964 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,964 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,964 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,964 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,965 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,965 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,965 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,965 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,965 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,965 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,966 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,966 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,966 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,967 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,967 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,967 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,967 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,967 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,968 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,968 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,968 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,969 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,969 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,970 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,970 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,970 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,973 WARN  L313   ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,973 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,974 WARN  L313   ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,974 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,974 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,974 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,974 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,974 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,975 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,975 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,975 WARN  L313   ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,975 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,977 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,977 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,977 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,977 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:11:40,979 INFO  L149    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2020-10-16 11:11:40,993 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 7 error locations.
[2020-10-16 11:11:41,016 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2020-10-16 11:11:41,016 INFO  L378      AbstractCegarLoop]: Hoare is true
[2020-10-16 11:11:41,016 INFO  L379      AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-10-16 11:11:41,016 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-10-16 11:11:41,016 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-10-16 11:11:41,017 INFO  L382      AbstractCegarLoop]: Difference is false
[2020-10-16 11:11:41,018 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-10-16 11:11:41,018 INFO  L387      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-10-16 11:11:41,039 INFO  L129   etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2020-10-16 11:11:41,043 INFO  L144   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 112 transitions, 244 flow
[2020-10-16 11:11:41,046 INFO  L111        LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 112 transitions, 244 flow
[2020-10-16 11:11:41,049 INFO  L71            FinitePrefix]: Start finitePrefix. Operand has 123 places, 112 transitions, 244 flow
[2020-10-16 11:11:41,137 INFO  L129       PetriNetUnfolder]: 2/108 cut-off events.
[2020-10-16 11:11:41,138 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2020-10-16 11:11:41,148 INFO  L80            FinitePrefix]: Finished finitePrefix Result has 121 conditions, 108 events. 2/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 76 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. 
[2020-10-16 11:11:41,156 INFO  L117        LiptonReduction]: Number of co-enabled transitions 2432
[2020-10-16 11:11:41,401 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term
[2020-10-16 11:11:41,401 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-10-16 11:11:41,403 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term
[2020-10-16 11:11:41,403 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-10-16 11:11:41,408 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term
[2020-10-16 11:11:41,408 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts
[2020-10-16 11:11:41,412 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term
[2020-10-16 11:11:41,413 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts
[2020-10-16 11:11:41,442 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term
[2020-10-16 11:11:41,442 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-10-16 11:11:41,444 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term
[2020-10-16 11:11:41,445 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-10-16 11:11:41,448 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term
[2020-10-16 11:11:41,449 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts
[2020-10-16 11:11:41,452 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term
[2020-10-16 11:11:41,453 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts
[2020-10-16 11:11:41,984 WARN  L193               SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58
[2020-10-16 11:11:42,098 WARN  L193               SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 53
[2020-10-16 11:11:42,152 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term
[2020-10-16 11:11:42,153 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts
[2020-10-16 11:11:42,156 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term
[2020-10-16 11:11:42,157 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 11:11:42,187 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term
[2020-10-16 11:11:42,188 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-10-16 11:11:42,206 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term
[2020-10-16 11:11:42,207 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2020-10-16 11:11:42,208 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term
[2020-10-16 11:11:42,209 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2020-10-16 11:11:42,211 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term
[2020-10-16 11:11:42,212 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2020-10-16 11:11:42,214 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term
[2020-10-16 11:11:42,214 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 11:11:42,216 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term
[2020-10-16 11:11:42,216 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 11:11:42,217 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term
[2020-10-16 11:11:42,218 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 11:11:42,469 WARN  L193               SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44
[2020-10-16 11:11:42,498 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term
[2020-10-16 11:11:42,499 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-10-16 11:11:42,507 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term
[2020-10-16 11:11:42,507 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2020-10-16 11:11:42,509 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term
[2020-10-16 11:11:42,510 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2020-10-16 11:11:42,511 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term
[2020-10-16 11:11:42,512 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2020-10-16 11:11:42,513 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term
[2020-10-16 11:11:42,514 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 11:11:42,515 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term
[2020-10-16 11:11:42,516 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 11:11:42,518 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term
[2020-10-16 11:11:42,518 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 11:11:42,554 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term
[2020-10-16 11:11:42,555 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts
[2020-10-16 11:11:42,558 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term
[2020-10-16 11:11:42,558 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 11:11:42,603 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term
[2020-10-16 11:11:42,604 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-10-16 11:11:42,604 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term
[2020-10-16 11:11:42,605 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-10-16 11:11:42,607 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term
[2020-10-16 11:11:42,607 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts
[2020-10-16 11:11:42,609 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term
[2020-10-16 11:11:42,609 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts
[2020-10-16 11:11:42,624 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term
[2020-10-16 11:11:42,625 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-10-16 11:11:42,626 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term
[2020-10-16 11:11:42,626 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-10-16 11:11:42,628 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term
[2020-10-16 11:11:42,629 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts
[2020-10-16 11:11:42,631 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term
[2020-10-16 11:11:42,631 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts
[2020-10-16 11:11:42,846 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term
[2020-10-16 11:11:42,847 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts
[2020-10-16 11:11:42,853 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term
[2020-10-16 11:11:42,854 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 11:11:42,918 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term
[2020-10-16 11:11:42,919 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-10-16 11:11:42,925 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term
[2020-10-16 11:11:42,926 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2020-10-16 11:11:42,928 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term
[2020-10-16 11:11:42,928 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2020-10-16 11:11:42,929 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term
[2020-10-16 11:11:42,930 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2020-10-16 11:11:42,933 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term
[2020-10-16 11:11:42,933 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 11:11:42,936 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term
[2020-10-16 11:11:42,937 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 11:11:42,939 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term
[2020-10-16 11:11:42,941 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 11:11:43,458 WARN  L193               SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 55
[2020-10-16 11:11:43,506 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term
[2020-10-16 11:11:43,507 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 11:11:43,508 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 4, 4, 3, 3, 2, 1] term
[2020-10-16 11:11:43,508 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 11:11:43,509 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 4, 4, 3, 3, 2, 1] term
[2020-10-16 11:11:43,509 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 11:11:43,558 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term
[2020-10-16 11:11:43,558 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-10-16 11:11:43,565 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term
[2020-10-16 11:11:43,566 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2020-10-16 11:11:43,567 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term
[2020-10-16 11:11:43,567 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2020-10-16 11:11:43,568 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term
[2020-10-16 11:11:43,568 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2020-10-16 11:11:43,571 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term
[2020-10-16 11:11:43,571 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 11:11:43,573 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term
[2020-10-16 11:11:43,573 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 11:11:43,574 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term
[2020-10-16 11:11:43,575 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 11:11:43,619 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term
[2020-10-16 11:11:43,620 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts
[2020-10-16 11:11:43,622 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term
[2020-10-16 11:11:43,623 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 11:11:45,201 WARN  L193               SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99
[2020-10-16 11:11:45,382 WARN  L193               SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 97
[2020-10-16 11:11:45,601 INFO  L132        LiptonReduction]: Checked pairs total: 5891
[2020-10-16 11:11:45,601 INFO  L134        LiptonReduction]: Total number of compositions: 91
[2020-10-16 11:11:45,608 INFO  L100   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 44 places, 31 transitions, 82 flow
[2020-10-16 11:11:45,752 INFO  L122   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2410 states.
[2020-10-16 11:11:45,755 INFO  L276                IsEmpty]: Start isEmpty. Operand 2410 states.
[2020-10-16 11:11:45,764 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2020-10-16 11:11:45,764 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 11:11:45,765 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 11:11:45,766 INFO  L429      AbstractCegarLoop]: === Iteration 1 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 11:11:45,771 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 11:11:45,772 INFO  L82        PathProgramCache]: Analyzing trace with hash -1749114566, now seen corresponding path program 1 times
[2020-10-16 11:11:45,782 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 11:11:45,783 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754616717]
[2020-10-16 11:11:45,783 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 11:11:45,935 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 11:11:46,035 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 11:11:46,036 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754616717]
[2020-10-16 11:11:46,037 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 11:11:46,037 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2020-10-16 11:11:46,038 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514106059]
[2020-10-16 11:11:46,043 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-10-16 11:11:46,043 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 11:11:46,058 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-10-16 11:11:46,059 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 11:11:46,062 INFO  L87              Difference]: Start difference. First operand 2410 states. Second operand 3 states.
[2020-10-16 11:11:46,162 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 11:11:46,163 INFO  L93              Difference]: Finished difference Result 2090 states and 7968 transitions.
[2020-10-16 11:11:46,164 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-10-16 11:11:46,165 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 9
[2020-10-16 11:11:46,166 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 11:11:46,266 INFO  L225             Difference]: With dead ends: 2090
[2020-10-16 11:11:46,266 INFO  L226             Difference]: Without dead ends: 1706
[2020-10-16 11:11:46,268 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 11:11:46,298 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1706 states.
[2020-10-16 11:11:46,414 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1706.
[2020-10-16 11:11:46,416 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1706 states.
[2020-10-16 11:11:46,431 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1706 states and 6400 transitions.
[2020-10-16 11:11:46,433 INFO  L78                 Accepts]: Start accepts. Automaton has 1706 states and 6400 transitions. Word has length 9
[2020-10-16 11:11:46,434 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 11:11:46,434 INFO  L481      AbstractCegarLoop]: Abstraction has 1706 states and 6400 transitions.
[2020-10-16 11:11:46,434 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-10-16 11:11:46,435 INFO  L276                IsEmpty]: Start isEmpty. Operand 1706 states and 6400 transitions.
[2020-10-16 11:11:46,439 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2020-10-16 11:11:46,440 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 11:11:46,440 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 11:11:46,440 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-10-16 11:11:46,440 INFO  L429      AbstractCegarLoop]: === Iteration 2 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 11:11:46,441 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 11:11:46,441 INFO  L82        PathProgramCache]: Analyzing trace with hash -1566846539, now seen corresponding path program 1 times
[2020-10-16 11:11:46,441 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 11:11:46,442 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497444559]
[2020-10-16 11:11:46,442 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 11:11:46,508 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 11:11:46,592 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 11:11:46,592 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497444559]
[2020-10-16 11:11:46,593 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 11:11:46,593 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2020-10-16 11:11:46,593 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342781881]
[2020-10-16 11:11:46,595 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-10-16 11:11:46,595 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 11:11:46,595 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-10-16 11:11:46,596 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 11:11:46,596 INFO  L87              Difference]: Start difference. First operand 1706 states and 6400 transitions. Second operand 3 states.
[2020-10-16 11:11:46,620 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 11:11:46,620 INFO  L93              Difference]: Finished difference Result 1578 states and 5856 transitions.
[2020-10-16 11:11:46,621 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-10-16 11:11:46,621 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 11
[2020-10-16 11:11:46,621 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 11:11:46,635 INFO  L225             Difference]: With dead ends: 1578
[2020-10-16 11:11:46,636 INFO  L226             Difference]: Without dead ends: 1578
[2020-10-16 11:11:46,637 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 11:11:46,645 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1578 states.
[2020-10-16 11:11:46,689 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1578 to 1578.
[2020-10-16 11:11:46,690 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1578 states.
[2020-10-16 11:11:46,698 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1578 states to 1578 states and 5856 transitions.
[2020-10-16 11:11:46,699 INFO  L78                 Accepts]: Start accepts. Automaton has 1578 states and 5856 transitions. Word has length 11
[2020-10-16 11:11:46,699 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 11:11:46,699 INFO  L481      AbstractCegarLoop]: Abstraction has 1578 states and 5856 transitions.
[2020-10-16 11:11:46,699 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-10-16 11:11:46,700 INFO  L276                IsEmpty]: Start isEmpty. Operand 1578 states and 5856 transitions.
[2020-10-16 11:11:46,703 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2020-10-16 11:11:46,704 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 11:11:46,704 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 11:11:46,704 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-10-16 11:11:46,704 INFO  L429      AbstractCegarLoop]: === Iteration 3 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 11:11:46,704 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 11:11:46,705 INFO  L82        PathProgramCache]: Analyzing trace with hash 1793977970, now seen corresponding path program 1 times
[2020-10-16 11:11:46,705 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 11:11:46,705 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054913756]
[2020-10-16 11:11:46,705 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 11:11:46,733 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 11:11:46,822 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 11:11:46,823 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054913756]
[2020-10-16 11:11:46,823 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 11:11:46,823 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2020-10-16 11:11:46,823 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336719718]
[2020-10-16 11:11:46,824 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-10-16 11:11:46,824 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 11:11:46,824 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-10-16 11:11:46,825 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 11:11:46,825 INFO  L87              Difference]: Start difference. First operand 1578 states and 5856 transitions. Second operand 3 states.
[2020-10-16 11:11:46,870 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 11:11:46,870 INFO  L93              Difference]: Finished difference Result 1546 states and 5712 transitions.
[2020-10-16 11:11:46,871 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-10-16 11:11:46,871 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 13
[2020-10-16 11:11:46,871 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 11:11:46,884 INFO  L225             Difference]: With dead ends: 1546
[2020-10-16 11:11:46,885 INFO  L226             Difference]: Without dead ends: 1546
[2020-10-16 11:11:46,885 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 11:11:46,893 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1546 states.
[2020-10-16 11:11:46,934 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1546 to 1546.
[2020-10-16 11:11:46,934 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1546 states.
[2020-10-16 11:11:46,944 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1546 states and 5712 transitions.
[2020-10-16 11:11:46,944 INFO  L78                 Accepts]: Start accepts. Automaton has 1546 states and 5712 transitions. Word has length 13
[2020-10-16 11:11:46,944 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 11:11:46,945 INFO  L481      AbstractCegarLoop]: Abstraction has 1546 states and 5712 transitions.
[2020-10-16 11:11:46,945 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-10-16 11:11:46,945 INFO  L276                IsEmpty]: Start isEmpty. Operand 1546 states and 5712 transitions.
[2020-10-16 11:11:46,947 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2020-10-16 11:11:46,948 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 11:11:46,948 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 11:11:46,948 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-10-16 11:11:46,948 INFO  L429      AbstractCegarLoop]: === Iteration 4 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 11:11:46,948 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 11:11:46,949 INFO  L82        PathProgramCache]: Analyzing trace with hash -1439826351, now seen corresponding path program 1 times
[2020-10-16 11:11:46,949 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 11:11:46,949 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550937104]
[2020-10-16 11:11:46,950 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 11:11:46,987 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 11:11:47,048 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 11:11:47,049 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550937104]
[2020-10-16 11:11:47,049 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 11:11:47,050 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-10-16 11:11:47,050 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178858576]
[2020-10-16 11:11:47,050 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-10-16 11:11:47,050 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 11:11:47,051 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-10-16 11:11:47,051 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-10-16 11:11:47,051 INFO  L87              Difference]: Start difference. First operand 1546 states and 5712 transitions. Second operand 4 states.
[2020-10-16 11:11:47,111 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 11:11:47,112 INFO  L93              Difference]: Finished difference Result 1597 states and 5366 transitions.
[2020-10-16 11:11:47,112 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-10-16 11:11:47,112 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 14
[2020-10-16 11:11:47,113 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 11:11:47,122 INFO  L225             Difference]: With dead ends: 1597
[2020-10-16 11:11:47,122 INFO  L226             Difference]: Without dead ends: 1213
[2020-10-16 11:11:47,123 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 11:11:47,129 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1213 states.
[2020-10-16 11:11:47,158 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 1213.
[2020-10-16 11:11:47,158 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1213 states.
[2020-10-16 11:11:47,164 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 1213 states and 4047 transitions.
[2020-10-16 11:11:47,165 INFO  L78                 Accepts]: Start accepts. Automaton has 1213 states and 4047 transitions. Word has length 14
[2020-10-16 11:11:47,165 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 11:11:47,165 INFO  L481      AbstractCegarLoop]: Abstraction has 1213 states and 4047 transitions.
[2020-10-16 11:11:47,165 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-10-16 11:11:47,165 INFO  L276                IsEmpty]: Start isEmpty. Operand 1213 states and 4047 transitions.
[2020-10-16 11:11:47,168 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2020-10-16 11:11:47,168 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 11:11:47,168 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 11:11:47,168 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-10-16 11:11:47,168 INFO  L429      AbstractCegarLoop]: === Iteration 5 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 11:11:47,169 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 11:11:47,169 INFO  L82        PathProgramCache]: Analyzing trace with hash -1866357709, now seen corresponding path program 1 times
[2020-10-16 11:11:47,169 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 11:11:47,169 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24228768]
[2020-10-16 11:11:47,169 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 11:11:47,193 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 11:11:47,254 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 11:11:47,255 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24228768]
[2020-10-16 11:11:47,255 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 11:11:47,255 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-10-16 11:11:47,255 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794858071]
[2020-10-16 11:11:47,256 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-10-16 11:11:47,256 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 11:11:47,256 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-10-16 11:11:47,256 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-10-16 11:11:47,257 INFO  L87              Difference]: Start difference. First operand 1213 states and 4047 transitions. Second operand 5 states.
[2020-10-16 11:11:47,319 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 11:11:47,319 INFO  L93              Difference]: Finished difference Result 1042 states and 3173 transitions.
[2020-10-16 11:11:47,320 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-10-16 11:11:47,320 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 16
[2020-10-16 11:11:47,320 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 11:11:47,326 INFO  L225             Difference]: With dead ends: 1042
[2020-10-16 11:11:47,326 INFO  L226             Difference]: Without dead ends: 793
[2020-10-16 11:11:47,327 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 11:11:47,331 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 793 states.
[2020-10-16 11:11:47,347 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 793.
[2020-10-16 11:11:47,348 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 793 states.
[2020-10-16 11:11:47,351 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 2367 transitions.
[2020-10-16 11:11:47,351 INFO  L78                 Accepts]: Start accepts. Automaton has 793 states and 2367 transitions. Word has length 16
[2020-10-16 11:11:47,351 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 11:11:47,352 INFO  L481      AbstractCegarLoop]: Abstraction has 793 states and 2367 transitions.
[2020-10-16 11:11:47,352 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-10-16 11:11:47,352 INFO  L276                IsEmpty]: Start isEmpty. Operand 793 states and 2367 transitions.
[2020-10-16 11:11:47,354 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2020-10-16 11:11:47,354 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 11:11:47,354 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 11:11:47,354 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-10-16 11:11:47,355 INFO  L429      AbstractCegarLoop]: === Iteration 6 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 11:11:47,355 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 11:11:47,355 INFO  L82        PathProgramCache]: Analyzing trace with hash 54611181, now seen corresponding path program 1 times
[2020-10-16 11:11:47,355 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 11:11:47,356 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994356338]
[2020-10-16 11:11:47,356 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 11:11:47,379 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 11:11:47,419 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 11:11:47,419 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994356338]
[2020-10-16 11:11:47,420 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 11:11:47,420 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-10-16 11:11:47,420 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154681012]
[2020-10-16 11:11:47,421 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-10-16 11:11:47,421 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 11:11:47,421 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-10-16 11:11:47,421 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-10-16 11:11:47,422 INFO  L87              Difference]: Start difference. First operand 793 states and 2367 transitions. Second operand 4 states.
[2020-10-16 11:11:47,442 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 11:11:47,443 INFO  L93              Difference]: Finished difference Result 1109 states and 3220 transitions.
[2020-10-16 11:11:47,443 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-10-16 11:11:47,443 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 19
[2020-10-16 11:11:47,444 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 11:11:47,449 INFO  L225             Difference]: With dead ends: 1109
[2020-10-16 11:11:47,449 INFO  L226             Difference]: Without dead ends: 811
[2020-10-16 11:11:47,450 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 11:11:47,454 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 811 states.
[2020-10-16 11:11:47,470 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 793.
[2020-10-16 11:11:47,470 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 793 states.
[2020-10-16 11:11:47,474 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 2249 transitions.
[2020-10-16 11:11:47,474 INFO  L78                 Accepts]: Start accepts. Automaton has 793 states and 2249 transitions. Word has length 19
[2020-10-16 11:11:47,474 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 11:11:47,474 INFO  L481      AbstractCegarLoop]: Abstraction has 793 states and 2249 transitions.
[2020-10-16 11:11:47,474 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-10-16 11:11:47,475 INFO  L276                IsEmpty]: Start isEmpty. Operand 793 states and 2249 transitions.
[2020-10-16 11:11:47,512 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2020-10-16 11:11:47,512 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 11:11:47,512 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 11:11:47,512 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-10-16 11:11:47,513 INFO  L429      AbstractCegarLoop]: === Iteration 7 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 11:11:47,513 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 11:11:47,513 INFO  L82        PathProgramCache]: Analyzing trace with hash -1687033143, now seen corresponding path program 1 times
[2020-10-16 11:11:47,513 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 11:11:47,513 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433913099]
[2020-10-16 11:11:47,514 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 11:11:47,548 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 11:11:47,609 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 11:11:47,609 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433913099]
[2020-10-16 11:11:47,609 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 11:11:47,610 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-10-16 11:11:47,610 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126034183]
[2020-10-16 11:11:47,610 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-10-16 11:11:47,610 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 11:11:47,611 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-10-16 11:11:47,611 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 11:11:47,611 INFO  L87              Difference]: Start difference. First operand 793 states and 2249 transitions. Second operand 3 states.
[2020-10-16 11:11:47,626 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 11:11:47,626 INFO  L93              Difference]: Finished difference Result 1113 states and 3039 transitions.
[2020-10-16 11:11:47,627 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-10-16 11:11:47,627 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 19
[2020-10-16 11:11:47,627 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 11:11:47,632 INFO  L225             Difference]: With dead ends: 1113
[2020-10-16 11:11:47,633 INFO  L226             Difference]: Without dead ends: 803
[2020-10-16 11:11:47,634 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 11:11:47,638 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 803 states.
[2020-10-16 11:11:47,654 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 785.
[2020-10-16 11:11:47,654 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 785 states.
[2020-10-16 11:11:47,657 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 2102 transitions.
[2020-10-16 11:11:47,657 INFO  L78                 Accepts]: Start accepts. Automaton has 785 states and 2102 transitions. Word has length 19
[2020-10-16 11:11:47,657 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 11:11:47,658 INFO  L481      AbstractCegarLoop]: Abstraction has 785 states and 2102 transitions.
[2020-10-16 11:11:47,658 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-10-16 11:11:47,658 INFO  L276                IsEmpty]: Start isEmpty. Operand 785 states and 2102 transitions.
[2020-10-16 11:11:47,660 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2020-10-16 11:11:47,660 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 11:11:47,660 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 11:11:47,660 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-10-16 11:11:47,660 INFO  L429      AbstractCegarLoop]: === Iteration 8 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 11:11:47,661 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 11:11:47,661 INFO  L82        PathProgramCache]: Analyzing trace with hash 1063520327, now seen corresponding path program 1 times
[2020-10-16 11:11:47,661 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 11:11:47,661 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077870754]
[2020-10-16 11:11:47,661 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 11:11:47,716 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 11:11:47,790 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 11:11:47,791 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077870754]
[2020-10-16 11:11:47,791 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 11:11:47,791 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-10-16 11:11:47,791 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768511494]
[2020-10-16 11:11:47,792 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-10-16 11:11:47,792 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 11:11:47,792 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-10-16 11:11:47,793 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-10-16 11:11:47,793 INFO  L87              Difference]: Start difference. First operand 785 states and 2102 transitions. Second operand 6 states.
[2020-10-16 11:11:47,864 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 11:11:47,864 INFO  L93              Difference]: Finished difference Result 683 states and 1783 transitions.
[2020-10-16 11:11:47,865 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-10-16 11:11:47,865 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 19
[2020-10-16 11:11:47,865 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 11:11:47,868 INFO  L225             Difference]: With dead ends: 683
[2020-10-16 11:11:47,869 INFO  L226             Difference]: Without dead ends: 548
[2020-10-16 11:11:47,869 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 11:11:47,872 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 548 states.
[2020-10-16 11:11:47,881 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 548.
[2020-10-16 11:11:47,882 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 548 states.
[2020-10-16 11:11:47,884 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 1413 transitions.
[2020-10-16 11:11:47,884 INFO  L78                 Accepts]: Start accepts. Automaton has 548 states and 1413 transitions. Word has length 19
[2020-10-16 11:11:47,884 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 11:11:47,884 INFO  L481      AbstractCegarLoop]: Abstraction has 548 states and 1413 transitions.
[2020-10-16 11:11:47,884 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-10-16 11:11:47,885 INFO  L276                IsEmpty]: Start isEmpty. Operand 548 states and 1413 transitions.
[2020-10-16 11:11:47,886 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2020-10-16 11:11:47,886 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 11:11:47,886 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, 1, 1]
[2020-10-16 11:11:47,887 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2020-10-16 11:11:47,887 INFO  L429      AbstractCegarLoop]: === Iteration 9 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 11:11:47,887 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 11:11:47,887 INFO  L82        PathProgramCache]: Analyzing trace with hash 672001859, now seen corresponding path program 1 times
[2020-10-16 11:11:47,887 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 11:11:47,888 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010501931]
[2020-10-16 11:11:47,888 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 11:11:47,931 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 11:11:48,006 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 11:11:48,006 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010501931]
[2020-10-16 11:11:48,007 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 11:11:48,007 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-10-16 11:11:48,007 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568453414]
[2020-10-16 11:11:48,007 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-10-16 11:11:48,008 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 11:11:48,008 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-10-16 11:11:48,008 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2020-10-16 11:11:48,008 INFO  L87              Difference]: Start difference. First operand 548 states and 1413 transitions. Second operand 7 states.
[2020-10-16 11:11:48,077 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 11:11:48,078 INFO  L93              Difference]: Finished difference Result 524 states and 1365 transitions.
[2020-10-16 11:11:48,078 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-10-16 11:11:48,079 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 22
[2020-10-16 11:11:48,079 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 11:11:48,080 INFO  L225             Difference]: With dead ends: 524
[2020-10-16 11:11:48,080 INFO  L226             Difference]: Without dead ends: 209
[2020-10-16 11:11:48,081 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56
[2020-10-16 11:11:48,082 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 209 states.
[2020-10-16 11:11:48,085 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209.
[2020-10-16 11:11:48,086 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 209 states.
[2020-10-16 11:11:48,087 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 505 transitions.
[2020-10-16 11:11:48,087 INFO  L78                 Accepts]: Start accepts. Automaton has 209 states and 505 transitions. Word has length 22
[2020-10-16 11:11:48,087 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 11:11:48,087 INFO  L481      AbstractCegarLoop]: Abstraction has 209 states and 505 transitions.
[2020-10-16 11:11:48,087 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-10-16 11:11:48,087 INFO  L276                IsEmpty]: Start isEmpty. Operand 209 states and 505 transitions.
[2020-10-16 11:11:48,088 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2020-10-16 11:11:48,088 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 11:11:48,089 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, 1, 1, 1, 1, 1]
[2020-10-16 11:11:48,089 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2020-10-16 11:11:48,089 INFO  L429      AbstractCegarLoop]: === Iteration 10 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 11:11:48,089 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 11:11:48,090 INFO  L82        PathProgramCache]: Analyzing trace with hash 1863618656, now seen corresponding path program 1 times
[2020-10-16 11:11:48,090 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 11:11:48,090 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464037427]
[2020-10-16 11:11:48,090 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 11:11:48,109 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 11:11:48,140 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 11:11:48,141 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464037427]
[2020-10-16 11:11:48,141 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 11:11:48,141 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-10-16 11:11:48,141 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20466940]
[2020-10-16 11:11:48,142 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-10-16 11:11:48,142 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 11:11:48,142 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-10-16 11:11:48,142 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-10-16 11:11:48,142 INFO  L87              Difference]: Start difference. First operand 209 states and 505 transitions. Second operand 4 states.
[2020-10-16 11:11:48,156 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 11:11:48,157 INFO  L93              Difference]: Finished difference Result 274 states and 654 transitions.
[2020-10-16 11:11:48,157 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-10-16 11:11:48,157 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 25
[2020-10-16 11:11:48,157 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 11:11:48,158 INFO  L225             Difference]: With dead ends: 274
[2020-10-16 11:11:48,158 INFO  L226             Difference]: Without dead ends: 80
[2020-10-16 11:11:48,159 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 11:11:48,159 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 80 states.
[2020-10-16 11:11:48,161 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80.
[2020-10-16 11:11:48,161 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 80 states.
[2020-10-16 11:11:48,161 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 166 transitions.
[2020-10-16 11:11:48,161 INFO  L78                 Accepts]: Start accepts. Automaton has 80 states and 166 transitions. Word has length 25
[2020-10-16 11:11:48,162 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 11:11:48,162 INFO  L481      AbstractCegarLoop]: Abstraction has 80 states and 166 transitions.
[2020-10-16 11:11:48,162 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-10-16 11:11:48,162 INFO  L276                IsEmpty]: Start isEmpty. Operand 80 states and 166 transitions.
[2020-10-16 11:11:48,163 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2020-10-16 11:11:48,163 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 11:11:48,163 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, 1, 1, 1, 1, 1]
[2020-10-16 11:11:48,163 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2020-10-16 11:11:48,163 INFO  L429      AbstractCegarLoop]: === Iteration 11 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 11:11:48,163 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 11:11:48,164 INFO  L82        PathProgramCache]: Analyzing trace with hash 1080705768, now seen corresponding path program 2 times
[2020-10-16 11:11:48,164 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 11:11:48,164 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278163686]
[2020-10-16 11:11:48,164 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 11:11:48,197 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-10-16 11:11:48,197 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-10-16 11:11:48,234 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-10-16 11:11:48,235 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-10-16 11:11:48,275 INFO  L173   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2020-10-16 11:11:48,276 INFO  L523         BasicCegarLoop]: Counterexample might be feasible
[2020-10-16 11:11:48,276 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2020-10-16 11:11:48,277 WARN  L264   etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available.
[2020-10-16 11:11:48,294 WARN  L124   codingBacktranslator]: Skipped backtranslation of ATE [877] [877] L2-->L863: Formula: (let ((.cse6 (= (mod ~z$w_buff0_used~0_In-1748714094 256) 0)) (.cse7 (= (mod ~z$r_buff0_thd0~0_In-1748714094 256) 0)) (.cse9 (= (mod ~z$w_buff1_used~0_In-1748714094 256) 0)) (.cse8 (= (mod ~z$r_buff1_thd0~0_In-1748714094 256) 0))) (let ((.cse3 (not .cse8)) (.cse4 (not .cse9)) (.cse5 (or .cse8 .cse9)) (.cse2 (or .cse6 .cse7)) (.cse0 (not .cse7)) (.cse1 (not .cse6))) (and (or (and .cse0 .cse1 (= ~z$w_buff0~0_In-1748714094 ~z~0_Out-1748714094)) (and .cse2 (or (and .cse3 .cse4 (= ~z$w_buff1~0_In-1748714094 ~z~0_Out-1748714094)) (and (= ~z~0_In-1748714094 ~z~0_Out-1748714094) .cse5)))) (or (and .cse3 (= ~z$w_buff1_used~0_Out-1748714094 0) .cse4) (and (= ~z$w_buff1_used~0_Out-1748714094 ~z$w_buff1_used~0_In-1748714094) .cse5)) (= ~z$r_buff1_thd0~0_In-1748714094 ~z$r_buff1_thd0~0_Out-1748714094) (= |ULTIMATE.start_assume_abort_if_not_#in~cond_In-1748714094| ULTIMATE.start_assume_abort_if_not_~cond_Out-1748714094) (= ~z$r_buff0_thd0~0_Out-1748714094 ~z$r_buff0_thd0~0_In-1748714094) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out-1748714094 0)) (or (and .cse2 (= ~z$w_buff0_used~0_In-1748714094 ~z$w_buff0_used~0_Out-1748714094)) (and .cse0 .cse1 (= 0 ~z$w_buff0_used~0_Out-1748714094))))))  InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In-1748714094|, ~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In-1748714094, ~z$w_buff0_used~0=~z$w_buff0_used~0_In-1748714094, ~z$w_buff0~0=~z$w_buff0~0_In-1748714094, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In-1748714094, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-1748714094, ~z$w_buff1~0=~z$w_buff1~0_In-1748714094, ~z~0=~z~0_In-1748714094}  OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_Out-1748714094, ULTIMATE.start_main_#t~ite39=|ULTIMATE.start_main_#t~ite39_Out-1748714094|, ~z$w_buff0~0=~z$w_buff0~0_In-1748714094, ~z$w_buff1_used~0=~z$w_buff1_used~0_Out-1748714094, ULTIMATE.start_main_#t~ite35=|ULTIMATE.start_main_#t~ite35_Out-1748714094|, ULTIMATE.start_main_#t~ite36=|ULTIMATE.start_main_#t~ite36_Out-1748714094|, ~z$w_buff1~0=~z$w_buff1~0_In-1748714094, ULTIMATE.start_main_#t~ite38=|ULTIMATE.start_main_#t~ite38_Out-1748714094|, ULTIMATE.start_main_#t~ite37=|ULTIMATE.start_main_#t~ite37_Out-1748714094|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In-1748714094|, ~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_Out-1748714094, ULTIMATE.start_main_#t~ite40=|ULTIMATE.start_main_#t~ite40_Out-1748714094|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out-1748714094, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_Out-1748714094, ~z~0=~z~0_Out-1748714094}  AuxVars[]  AssignedVars[~z$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite40, ULTIMATE.start_assume_abort_if_not_~cond, ~z$w_buff0_used~0, ULTIMATE.start_main_#t~ite39, ~z$r_buff1_thd0~0, ~z$w_buff1_used~0, ULTIMATE.start_main_#t~ite35, ULTIMATE.start_main_#t~ite36, ULTIMATE.start_main_#t~ite38, ULTIMATE.start_main_#t~ite37, ~z~0] because there is no mapped edge
[2020-10-16 11:11:48,301 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 11:11:48,302 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 11:11:48,304 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 11:11:48,304 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 11:11:48,304 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 11:11:48,305 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 11:11:48,305 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 11:11:48,307 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 11:11:48,307 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 11:11:48,307 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 11:11:48,308 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 11:11:48,308 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 11:11:48,308 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 11:11:48,308 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 11:11:48,308 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 11:11:48,308 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 11:11:48,309 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 11:11:48,309 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 11:11:48,309 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 11:11:48,309 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 11:11:48,309 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 11:11:48,310 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 11:11:48,310 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 11:11:48,311 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 11:11:48,312 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 11:11:48,312 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 11:11:48,312 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 11:11:48,312 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 11:11:48,313 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 11:11:48,313 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 11:11:48,313 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 11:11:48,313 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 11:11:48,313 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 11:11:48,313 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 11:11:48,418 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:11:48 BasicIcfg
[2020-10-16 11:11:48,419 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-10-16 11:11:48,420 INFO  L168              Benchmark]: Toolchain (without parser) took 10358.04 ms. Allocated memory was 141.0 MB in the beginning and 364.9 MB in the end (delta: 223.9 MB). Free memory was 101.0 MB in the beginning and 169.3 MB in the end (delta: -68.4 MB). Peak memory consumption was 155.5 MB. Max. memory is 7.1 GB.
[2020-10-16 11:11:48,421 INFO  L168              Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 141.0 MB. Free memory was 121.4 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-10-16 11:11:48,422 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 819.75 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 100.8 MB in the beginning and 157.0 MB in the end (delta: -56.2 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB.
[2020-10-16 11:11:48,423 INFO  L168              Benchmark]: Boogie Procedure Inliner took 63.35 ms. Allocated memory is still 203.4 MB. Free memory was 157.0 MB in the beginning and 154.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB.
[2020-10-16 11:11:48,423 INFO  L168              Benchmark]: Boogie Preprocessor took 39.07 ms. Allocated memory is still 203.4 MB. Free memory was 154.4 MB in the beginning and 151.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB.
[2020-10-16 11:11:48,424 INFO  L168              Benchmark]: RCFGBuilder took 1859.78 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 151.7 MB in the beginning and 83.9 MB in the end (delta: 67.9 MB). Peak memory consumption was 100.4 MB. Max. memory is 7.1 GB.
[2020-10-16 11:11:48,425 INFO  L168              Benchmark]: TraceAbstraction took 7551.39 ms. Allocated memory was 246.4 MB in the beginning and 364.9 MB in the end (delta: 118.5 MB). Free memory was 214.4 MB in the beginning and 169.3 MB in the end (delta: 45.1 MB). Peak memory consumption was 163.5 MB. Max. memory is 7.1 GB.
[2020-10-16 11:11:48,429 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.24 ms. Allocated memory is still 141.0 MB. Free memory was 121.4 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 819.75 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 100.8 MB in the beginning and 157.0 MB in the end (delta: -56.2 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB.
 * Boogie Procedure Inliner took 63.35 ms. Allocated memory is still 203.4 MB. Free memory was 157.0 MB in the beginning and 154.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 39.07 ms. Allocated memory is still 203.4 MB. Free memory was 154.4 MB in the beginning and 151.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1859.78 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 151.7 MB in the beginning and 83.9 MB in the end (delta: 67.9 MB). Peak memory consumption was 100.4 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 7551.39 ms. Allocated memory was 246.4 MB in the beginning and 364.9 MB in the end (delta: 118.5 MB). Free memory was 214.4 MB in the beginning and 169.3 MB in the end (delta: 45.1 MB). Peak memory consumption was 163.5 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    1542 VarBasedMoverChecksPositive, 79 VarBasedMoverChecksNegative, 15 SemBasedMoverChecksPositive, 64 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.3s, 171 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.5s, 123 PlacesBefore, 44 PlacesAfterwards, 112 TransitionsBefore, 31 TransitionsAfterwards, 2432 CoEnabledTransitionPairs, 6 FixpointIterations, 38 TrivialSequentialCompositions, 44 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 2 ChoiceCompositions, 91 TotalNumberOfCompositions, 5891 MoverChecksTotal
  - CounterExampleResult [Line: 7]: 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_p1_EAX = 0;
[L703]               0  int __unbuffered_p2_EAX = 0;
[L705]               0  int __unbuffered_p3_EAX = 0;
[L707]               0  int __unbuffered_p3_EBX = 0;
[L709]               0  int a = 0;
[L711]               0  int b = 0;
[L712]               0  _Bool main$tmp_guard0;
[L713]               0  _Bool main$tmp_guard1;
[L715]               0  int x = 0;
[L717]               0  int y = 0;
[L719]               0  int z = 0;
[L720]               0  _Bool z$flush_delayed;
[L721]               0  int z$mem_tmp;
[L722]               0  _Bool z$r_buff0_thd0;
[L723]               0  _Bool z$r_buff0_thd1;
[L724]               0  _Bool z$r_buff0_thd2;
[L725]               0  _Bool z$r_buff0_thd3;
[L726]               0  _Bool z$r_buff0_thd4;
[L727]               0  _Bool z$r_buff1_thd0;
[L728]               0  _Bool z$r_buff1_thd1;
[L729]               0  _Bool z$r_buff1_thd2;
[L730]               0  _Bool z$r_buff1_thd3;
[L731]               0  _Bool z$r_buff1_thd4;
[L732]               0  _Bool z$read_delayed;
[L733]               0  int *z$read_delayed_var;
[L734]               0  int z$w_buff0;
[L735]               0  _Bool z$w_buff0_used;
[L736]               0  int z$w_buff1;
[L737]               0  _Bool z$w_buff1_used;
[L738]               0  _Bool weak$$choice0;
[L739]               0  _Bool weak$$choice2;
[L845]               0  pthread_t t981;
[L846]  FCALL, FORK  0  pthread_create(&t981, ((void *)0), P0, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0]
[L847]               0  pthread_t t982;
[L848]  FCALL, FORK  0  pthread_create(&t982, ((void *)0), P1, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0]
[L849]               0  pthread_t t983;
[L850]  FCALL, FORK  0  pthread_create(&t983, ((void *)0), P2, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0]
[L851]               0  pthread_t t984;
[L852]  FCALL, FORK  0  pthread_create(&t984, ((void *)0), P3, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0]
[L801]               4  z$w_buff1 = z$w_buff0
[L802]               4  z$w_buff0 = 1
[L803]               4  z$w_buff1_used = z$w_buff0_used
[L804]               4  z$w_buff0_used = (_Bool)1
[L7]    COND TRUE    4  !expression
[L7]                 4  __VERIFIER_error()
[L806]               4  z$r_buff1_thd0 = z$r_buff0_thd0
[L807]               4  z$r_buff1_thd1 = z$r_buff0_thd1
[L808]               4  z$r_buff1_thd2 = z$r_buff0_thd2
[L809]               4  z$r_buff1_thd3 = z$r_buff0_thd3
[L810]               4  z$r_buff1_thd4 = z$r_buff0_thd4
[L811]               4  z$r_buff0_thd4 = (_Bool)1
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0]
[L814]               4  a = 1
[L817]               4  __unbuffered_p3_EAX = a
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0]
[L820]               4  __unbuffered_p3_EBX = b
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0]
[L743]               1  b = 1
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0]
[L746]               1  x = 1
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0]
[L751]               1  __unbuffered_cnt = __unbuffered_cnt + 1
[L753]               1  return 0;
[L758]               2  x = 2
        VAL             [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0]
[L761]               2  __unbuffered_p1_EAX = y
        VAL             [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0]
[L773]               3  y = 1
        VAL             [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0]
[L776]               3  weak$$choice0 = __VERIFIER_nondet_bool()
[L777]               3  weak$$choice2 = __VERIFIER_nondet_bool()
[L778]               3  z$flush_delayed = weak$$choice2
[L779]               3  z$mem_tmp = z
[L780]  EXPR         3  !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1)
[L780]               3  z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1)
[L781]  EXPR         3  weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0))
[L781]  EXPR         3  !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)
[L781]  EXPR         3  z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0
[L781]  EXPR         3  !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)
[L781]  EXPR         3  weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0))
[L781]               3  z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0))
[L782]  EXPR         3  weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1))
[L782]  EXPR         3  !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)
[L782]  EXPR         3  weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1))
[L782]               3  z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1))
[L783]  EXPR         3  weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used))
[L783]               3  z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used))
[L784]  EXPR         3  weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))
[L784]               3  z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))
[L785]  EXPR         3  weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3))
[L785]               3  z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3))
[L786]  EXPR         3  weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))
[L786]               3  z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))
[L787]               3  __unbuffered_p2_EAX = z
[L788]  EXPR         3  z$flush_delayed ? z$mem_tmp : z
[L788]               3  z = z$flush_delayed ? z$mem_tmp : z
[L789]               3  z$flush_delayed = (_Bool)0
        VAL             [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0]
[L794]               3  __unbuffered_cnt = __unbuffered_cnt + 1
[L796]               3  return 0;
[L766]               2  __unbuffered_cnt = __unbuffered_cnt + 1
[L768]               2  return 0;
[L823]  EXPR         4  z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z)
[L823]               4  z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z)
[L824]  EXPR         4  z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used
[L824]               4  z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used
[L825]  EXPR         4  z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used
[L825]               4  z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used
[L826]  EXPR         4  z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4
[L826]               4  z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4
[L827]  EXPR         4  z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4
[L827]               4  z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4
[L830]               4  __unbuffered_cnt = __unbuffered_cnt + 1
[L832]               4  return 0;
[L854]               0  main$tmp_guard0 = __unbuffered_cnt == 4
[L865]               0  main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0)
[L7]    COND TRUE    0  !expression
[L7]                 0  __VERIFIER_error()
        VAL             [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 5 procedures, 111 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 7.2s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.7s, HoareTripleCheckerStatistics: 325 SDtfs, 319 SDslu, 472 SDs, 0 SdLazy, 178 SolverSat, 42 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2410occurred 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: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 36 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 157 ConstructedInterpolants, 0 QuantifiedInterpolants, 7107 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...