/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe006_rmo.oepc.i


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


This is Ultimate 0.1.25-b09bf87
[2020-10-16 13:35:56,862 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-10-16 13:35:56,865 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-10-16 13:35:56,904 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-10-16 13:35:56,904 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-10-16 13:35:56,912 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-10-16 13:35:56,914 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2020-10-16 13:35:56,934 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-10-16 13:35:56,935 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-10-16 13:35:56,937 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-10-16 13:35:56,946 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-10-16 13:35:56,948 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-10-16 13:35:56,949 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-10-16 13:35:56,950 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-10-16 13:35:56,951 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
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[2020-10-16 13:35:56,963 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2020-10-16 13:35:56,979 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2020-10-16 13:35:56,981 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-10-16 13:35:56,981 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf
[2020-10-16 13:35:57,018 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-10-16 13:35:57,018 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-10-16 13:35:57,019 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-10-16 13:35:57,019 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-10-16 13:35:57,019 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-10-16 13:35:57,020 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-10-16 13:35:57,020 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-10-16 13:35:57,020 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-10-16 13:35:57,020 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-10-16 13:35:57,020 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-10-16 13:35:57,021 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-10-16 13:35:57,021 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-10-16 13:35:57,021 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-10-16 13:35:57,021 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-10-16 13:35:57,021 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-10-16 13:35:57,022 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-10-16 13:35:57,022 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-10-16 13:35:57,022 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-10-16 13:35:57,022 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-10-16 13:35:57,022 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-10-16 13:35:57,023 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-10-16 13:35:57,023 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-10-16 13:35:57,023 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-10-16 13:35:57,023 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=Craig_NestedInterpolation
[2020-10-16 13:35:57,024 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-10-16 13:35:57,024 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-10-16 13:35:57,024 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-10-16 13:35:57,024 INFO  L138        SettingsManager]:  * Override the interpolant automaton setting of the refinement strategy=true
[2020-10-16 13:35:57,024 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK
[2020-10-16 13:35:57,024 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-10-16 13:35:57,025 INFO  L138        SettingsManager]:  * Interpolant automaton=MCR
[2020-10-16 13:35:57,337 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-10-16 13:35:57,349 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-10-16 13:35:57,352 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-10-16 13:35:57,354 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-10-16 13:35:57,354 INFO  L275        PluginConnector]: CDTParser initialized
[2020-10-16 13:35:57,355 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe006_rmo.oepc.i
[2020-10-16 13:35:57,430 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/43197cae5/286e8ae618ba4eefa05fa4248fa56789/FLAGb8786f7d7
[2020-10-16 13:35:57,968 INFO  L306              CDTParser]: Found 1 translation units.
[2020-10-16 13:35:57,969 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/safe006_rmo.oepc.i
[2020-10-16 13:35:57,994 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/43197cae5/286e8ae618ba4eefa05fa4248fa56789/FLAGb8786f7d7
[2020-10-16 13:35:58,251 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/43197cae5/286e8ae618ba4eefa05fa4248fa56789
[2020-10-16 13:35:58,260 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-10-16 13:35:58,262 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2020-10-16 13:35:58,263 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-10-16 13:35:58,264 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-10-16 13:35:58,267 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-10-16 13:35:58,268 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:35:58" (1/1) ...
[2020-10-16 13:35:58,271 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64bcd645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:58, skipping insertion in model container
[2020-10-16 13:35:58,271 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:35:58" (1/1) ...
[2020-10-16 13:35:58,278 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-10-16 13:35:58,320 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-10-16 13:35:58,881 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-10-16 13:35:58,905 INFO  L203         MainTranslator]: Completed pre-run
[2020-10-16 13:35:58,995 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-10-16 13:35:59,076 INFO  L208         MainTranslator]: Completed translation
[2020-10-16 13:35:59,076 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:59 WrapperNode
[2020-10-16 13:35:59,076 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-10-16 13:35:59,077 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-10-16 13:35:59,077 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-10-16 13:35:59,078 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2020-10-16 13:35:59,086 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:59" (1/1) ...
[2020-10-16 13:35:59,106 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:59" (1/1) ...
[2020-10-16 13:35:59,135 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-10-16 13:35:59,135 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-10-16 13:35:59,136 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-10-16 13:35:59,136 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-10-16 13:35:59,146 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:59" (1/1) ...
[2020-10-16 13:35:59,146 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:59" (1/1) ...
[2020-10-16 13:35:59,151 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:59" (1/1) ...
[2020-10-16 13:35:59,151 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:59" (1/1) ...
[2020-10-16 13:35:59,164 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:59" (1/1) ...
[2020-10-16 13:35:59,169 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:59" (1/1) ...
[2020-10-16 13:35:59,173 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:59" (1/1) ...
[2020-10-16 13:35:59,178 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-10-16 13:35:59,179 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-10-16 13:35:59,179 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-10-16 13:35:59,179 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-10-16 13:35:59,180 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:59" (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 13:35:59,256 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-10-16 13:35:59,256 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-10-16 13:35:59,257 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2020-10-16 13:35:59,257 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-10-16 13:35:59,257 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-10-16 13:35:59,257 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2020-10-16 13:35:59,257 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2020-10-16 13:35:59,258 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2020-10-16 13:35:59,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2020-10-16 13:35:59,258 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-10-16 13:35:59,258 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2020-10-16 13:35:59,259 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-10-16 13:35:59,259 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-10-16 13:35:59,261 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 13:36:01,068 INFO  L293             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-10-16 13:36:01,068 INFO  L298             CfgBuilder]: Removed 8 assume(true) statements.
[2020-10-16 13:36:01,070 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:36:01 BoogieIcfgContainer
[2020-10-16 13:36:01,070 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-10-16 13:36:01,071 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-10-16 13:36:01,071 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-10-16 13:36:01,076 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-10-16 13:36:01,076 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:35:58" (1/3) ...
[2020-10-16 13:36:01,077 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42d10ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:36:01, skipping insertion in model container
[2020-10-16 13:36:01,077 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:59" (2/3) ...
[2020-10-16 13:36:01,078 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42d10ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:36:01, skipping insertion in model container
[2020-10-16 13:36:01,078 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:36:01" (3/3) ...
[2020-10-16 13:36:01,080 INFO  L111   eAbstractionObserver]: Analyzing ICFG safe006_rmo.oepc.i
[2020-10-16 13:36:01,091 WARN  L153   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-10-16 13:36:01,092 INFO  L164   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-10-16 13:36:01,099 INFO  L176   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-10-16 13:36:01,100 INFO  L348   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-10-16 13:36:01,129 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,130 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,130 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,130 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,131 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,131 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,131 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,131 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,131 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,132 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,132 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,132 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,132 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,132 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,132 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,133 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,133 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,133 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,133 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,133 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,133 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,133 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,134 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,134 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,134 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,134 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,134 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,134 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,135 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,135 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,135 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,135 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,135 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,136 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,136 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,136 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,136 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,136 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,136 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,137 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,137 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,137 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,137 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,137 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,137 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,138 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,138 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,138 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,140 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,140 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,141 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,141 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,141 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,141 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,142 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,142 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,142 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,142 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,142 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,142 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,143 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,143 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,143 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,144 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,144 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,148 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,148 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,148 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,148 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,148 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,149 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,149 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,149 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,149 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,149 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,150 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,152 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,152 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,152 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,152 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,152 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,153 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,153 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,153 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,153 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,153 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,154 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,154 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,154 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,154 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,154 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,154 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,154 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,154 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,155 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,155 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,155 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,155 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,155 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,155 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,156 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,156 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,156 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,156 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,156 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,157 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,157 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:01,158 INFO  L149    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2020-10-16 13:36:01,171 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2020-10-16 13:36:01,192 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2020-10-16 13:36:01,193 INFO  L378      AbstractCegarLoop]: Hoare is true
[2020-10-16 13:36:01,193 INFO  L379      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-10-16 13:36:01,193 INFO  L380      AbstractCegarLoop]: Backedges is MCR
[2020-10-16 13:36:01,193 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-10-16 13:36:01,193 INFO  L382      AbstractCegarLoop]: Difference is false
[2020-10-16 13:36:01,193 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-10-16 13:36:01,194 INFO  L387      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-10-16 13:36:01,207 INFO  L137   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2020-10-16 13:36:01,208 INFO  L144   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 90 transitions, 190 flow
[2020-10-16 13:36:01,210 INFO  L111        LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 90 transitions, 190 flow
[2020-10-16 13:36:01,212 INFO  L71            FinitePrefix]: Start finitePrefix. Operand has 95 places, 90 transitions, 190 flow
[2020-10-16 13:36:01,257 INFO  L129       PetriNetUnfolder]: 2/88 cut-off events.
[2020-10-16 13:36:01,257 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2020-10-16 13:36:01,262 INFO  L80            FinitePrefix]: Finished finitePrefix Result has 95 conditions, 88 events. 2/88 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 39 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 43. Up to 2 conditions per place. 
[2020-10-16 13:36:01,264 INFO  L117        LiptonReduction]: Number of co-enabled transitions 756
[2020-10-16 13:36:02,567 WARN  L193               SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 238 DAG size of output: 198
[2020-10-16 13:36:02,595 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term
[2020-10-16 13:36:02,596 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-10-16 13:36:03,217 WARN  L193               SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111
[2020-10-16 13:36:03,994 WARN  L193               SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70
[2020-10-16 13:36:04,001 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 2, 4, 2, 1] term
[2020-10-16 13:36:04,001 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-10-16 13:36:04,002 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term
[2020-10-16 13:36:04,003 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-10-16 13:36:04,107 WARN  L193               SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 63
[2020-10-16 13:36:04,300 WARN  L193               SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 65
[2020-10-16 13:36:04,406 WARN  L193               SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 65
[2020-10-16 13:36:05,698 WARN  L193               SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 108
[2020-10-16 13:36:05,850 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 104
[2020-10-16 13:36:06,031 WARN  L193               SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54
[2020-10-16 13:36:06,484 WARN  L193               SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 122
[2020-10-16 13:36:06,678 WARN  L193               SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 120
[2020-10-16 13:36:06,684 INFO  L132        LiptonReduction]: Checked pairs total: 1862
[2020-10-16 13:36:06,684 INFO  L134        LiptonReduction]: Total number of compositions: 81
[2020-10-16 13:36:06,691 INFO  L100   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 24 places, 17 transitions, 44 flow
[2020-10-16 13:36:06,705 INFO  L122   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 110 states.
[2020-10-16 13:36:06,707 INFO  L276                IsEmpty]: Start isEmpty. Operand 110 states.
[2020-10-16 13:36:06,714 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2020-10-16 13:36:06,714 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 13:36:06,715 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2020-10-16 13:36:06,715 INFO  L429      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 13:36:06,724 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 13:36:06,724 INFO  L82        PathProgramCache]: Analyzing trace with hash 1198020176, now seen corresponding path program 1 times
[2020-10-16 13:36:06,753 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 13:36:06,753 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639402254]
[2020-10-16 13:36:06,754 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 13:36:06,892 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 13:36:06,989 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 13:36:06,990 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639402254]
[2020-10-16 13:36:06,990 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 13:36:06,991 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2020-10-16 13:36:06,991 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [627908614]
[2020-10-16 13:36:06,992 INFO  L200    McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-10-16 13:36:06,996 INFO  L255    McrAutomatonBuilder]: Started intersection.
[2020-10-16 13:36:07,013 INFO  L258    McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions.
[2020-10-16 13:36:07,014 INFO  L282    McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider
[2020-10-16 13:36:07,019 INFO  L313    McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: []
[2020-10-16 13:36:07,020 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-10-16 13:36:07,020 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 13:36:07,039 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-10-16 13:36:07,040 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 13:36:07,042 INFO  L87              Difference]: Start difference. First operand 110 states. Second operand 3 states.
[2020-10-16 13:36:07,071 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 13:36:07,071 INFO  L93              Difference]: Finished difference Result 106 states and 240 transitions.
[2020-10-16 13:36:07,072 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-10-16 13:36:07,074 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 7
[2020-10-16 13:36:07,074 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 13:36:07,086 INFO  L225             Difference]: With dead ends: 106
[2020-10-16 13:36:07,086 INFO  L226             Difference]: Without dead ends: 86
[2020-10-16 13:36:07,088 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 13:36:07,110 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 86 states.
[2020-10-16 13:36:07,130 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86.
[2020-10-16 13:36:07,132 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 86 states.
[2020-10-16 13:36:07,134 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 189 transitions.
[2020-10-16 13:36:07,136 INFO  L78                 Accepts]: Start accepts. Automaton has 86 states and 189 transitions. Word has length 7
[2020-10-16 13:36:07,136 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 13:36:07,136 INFO  L481      AbstractCegarLoop]: Abstraction has 86 states and 189 transitions.
[2020-10-16 13:36:07,136 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-10-16 13:36:07,136 INFO  L276                IsEmpty]: Start isEmpty. Operand 86 states and 189 transitions.
[2020-10-16 13:36:07,137 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2020-10-16 13:36:07,137 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 13:36:07,137 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 13:36:07,138 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-10-16 13:36:07,138 INFO  L429      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 13:36:07,138 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 13:36:07,138 INFO  L82        PathProgramCache]: Analyzing trace with hash -1516839692, now seen corresponding path program 1 times
[2020-10-16 13:36:07,140 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 13:36:07,140 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409843803]
[2020-10-16 13:36:07,140 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 13:36:07,169 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 13:36:07,237 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 13:36:07,238 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409843803]
[2020-10-16 13:36:07,238 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 13:36:07,238 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-10-16 13:36:07,239 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [673426524]
[2020-10-16 13:36:07,239 INFO  L200    McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-10-16 13:36:07,240 INFO  L255    McrAutomatonBuilder]: Started intersection.
[2020-10-16 13:36:07,246 INFO  L258    McrAutomatonBuilder]: Finished intersection with 11 states and 12 transitions.
[2020-10-16 13:36:07,247 INFO  L282    McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider
[2020-10-16 13:36:07,285 INFO  L313    McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: []
[2020-10-16 13:36:07,286 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-10-16 13:36:07,286 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 13:36:07,287 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-10-16 13:36:07,287 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-10-16 13:36:07,291 INFO  L87              Difference]: Start difference. First operand 86 states and 189 transitions. Second operand 4 states.
[2020-10-16 13:36:07,325 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 13:36:07,325 INFO  L93              Difference]: Finished difference Result 102 states and 213 transitions.
[2020-10-16 13:36:07,326 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-10-16 13:36:07,327 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 8
[2020-10-16 13:36:07,327 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 13:36:07,328 INFO  L225             Difference]: With dead ends: 102
[2020-10-16 13:36:07,328 INFO  L226             Difference]: Without dead ends: 54
[2020-10-16 13:36:07,329 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 13:36:07,330 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 54 states.
[2020-10-16 13:36:07,339 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54.
[2020-10-16 13:36:07,339 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 54 states.
[2020-10-16 13:36:07,341 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 103 transitions.
[2020-10-16 13:36:07,342 INFO  L78                 Accepts]: Start accepts. Automaton has 54 states and 103 transitions. Word has length 8
[2020-10-16 13:36:07,342 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 13:36:07,342 INFO  L481      AbstractCegarLoop]: Abstraction has 54 states and 103 transitions.
[2020-10-16 13:36:07,342 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-10-16 13:36:07,342 INFO  L276                IsEmpty]: Start isEmpty. Operand 54 states and 103 transitions.
[2020-10-16 13:36:07,346 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2020-10-16 13:36:07,346 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 13:36:07,346 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 13:36:07,346 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-10-16 13:36:07,346 INFO  L429      AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 13:36:07,347 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 13:36:07,347 INFO  L82        PathProgramCache]: Analyzing trace with hash 1265909525, now seen corresponding path program 1 times
[2020-10-16 13:36:07,354 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 13:36:07,354 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643617778]
[2020-10-16 13:36:07,354 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 13:36:07,454 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 13:36:07,612 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 13:36:07,612 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643617778]
[2020-10-16 13:36:07,613 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 13:36:07,613 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-10-16 13:36:07,618 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2114119342]
[2020-10-16 13:36:07,618 INFO  L200    McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-10-16 13:36:07,620 INFO  L255    McrAutomatonBuilder]: Started intersection.
[2020-10-16 13:36:07,622 INFO  L258    McrAutomatonBuilder]: Finished intersection with 17 states and 22 transitions.
[2020-10-16 13:36:07,623 INFO  L282    McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider
[2020-10-16 13:36:07,652 INFO  L603       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-10-16 13:36:07,659 INFO  L603       QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts
[2020-10-16 13:36:07,668 INFO  L603       QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts
[2020-10-16 13:36:07,671 INFO  L603       QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts
[2020-10-16 13:36:07,690 INFO  L603       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-10-16 13:36:07,692 INFO  L603       QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts
[2020-10-16 13:36:07,693 INFO  L603       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-10-16 13:36:07,696 INFO  L603       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-10-16 13:36:07,743 INFO  L603       QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts
[2020-10-16 13:36:07,750 INFO  L603       QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts
[2020-10-16 13:36:07,782 INFO  L603       QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts
[2020-10-16 13:36:07,796 INFO  L603       QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts
[2020-10-16 13:36:07,814 INFO  L603       QuantifierPusher]: Distributing 4 disjuncts over 2 conjuncts
[2020-10-16 13:36:07,815 INFO  L603       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-10-16 13:36:07,816 INFO  L603       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-10-16 13:36:07,817 INFO  L603       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-10-16 13:36:07,822 INFO  L603       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-10-16 13:36:07,830 INFO  L603       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-10-16 13:36:07,831 INFO  L603       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-10-16 13:36:07,857 INFO  L603       QuantifierPusher]: Distributing 6 disjuncts over 3 conjuncts
[2020-10-16 13:36:07,864 INFO  L313    McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: []
[2020-10-16 13:36:07,865 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-10-16 13:36:07,865 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 13:36:07,865 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-10-16 13:36:07,866 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-10-16 13:36:07,866 INFO  L87              Difference]: Start difference. First operand 54 states and 103 transitions. Second operand 6 states.
[2020-10-16 13:36:07,957 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 13:36:07,957 INFO  L93              Difference]: Finished difference Result 52 states and 98 transitions.
[2020-10-16 13:36:07,960 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-10-16 13:36:07,961 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 10
[2020-10-16 13:36:07,961 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 13:36:07,962 INFO  L225             Difference]: With dead ends: 52
[2020-10-16 13:36:07,962 INFO  L226             Difference]: Without dead ends: 52
[2020-10-16 13:36:07,962 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-10-16 13:36:07,963 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 52 states.
[2020-10-16 13:36:07,971 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52.
[2020-10-16 13:36:07,971 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 52 states.
[2020-10-16 13:36:07,973 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 98 transitions.
[2020-10-16 13:36:07,974 INFO  L78                 Accepts]: Start accepts. Automaton has 52 states and 98 transitions. Word has length 10
[2020-10-16 13:36:07,974 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 13:36:07,974 INFO  L481      AbstractCegarLoop]: Abstraction has 52 states and 98 transitions.
[2020-10-16 13:36:07,974 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-10-16 13:36:07,974 INFO  L276                IsEmpty]: Start isEmpty. Operand 52 states and 98 transitions.
[2020-10-16 13:36:07,976 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2020-10-16 13:36:07,976 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 13:36:07,976 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 13:36:07,976 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-10-16 13:36:07,977 INFO  L429      AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 13:36:07,977 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 13:36:07,977 INFO  L82        PathProgramCache]: Analyzing trace with hash 586657651, now seen corresponding path program 1 times
[2020-10-16 13:36:07,980 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 13:36:07,980 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207929942]
[2020-10-16 13:36:07,980 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 13:36:08,056 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 13:36:08,123 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 13:36:08,123 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207929942]
[2020-10-16 13:36:08,124 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 13:36:08,124 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-10-16 13:36:08,124 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1902743233]
[2020-10-16 13:36:08,124 INFO  L200    McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-10-16 13:36:08,126 INFO  L255    McrAutomatonBuilder]: Started intersection.
[2020-10-16 13:36:08,129 INFO  L258    McrAutomatonBuilder]: Finished intersection with 17 states and 21 transitions.
[2020-10-16 13:36:08,130 INFO  L282    McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider
[2020-10-16 13:36:08,145 INFO  L313    McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: []
[2020-10-16 13:36:08,146 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-10-16 13:36:08,146 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 13:36:08,146 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-10-16 13:36:08,146 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-10-16 13:36:08,146 INFO  L87              Difference]: Start difference. First operand 52 states and 98 transitions. Second operand 4 states.
[2020-10-16 13:36:08,180 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 13:36:08,180 INFO  L93              Difference]: Finished difference Result 50 states and 81 transitions.
[2020-10-16 13:36:08,181 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-10-16 13:36:08,182 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 11
[2020-10-16 13:36:08,182 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 13:36:08,182 INFO  L225             Difference]: With dead ends: 50
[2020-10-16 13:36:08,182 INFO  L226             Difference]: Without dead ends: 38
[2020-10-16 13:36:08,183 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 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 13:36:08,183 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 38 states.
[2020-10-16 13:36:08,186 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38.
[2020-10-16 13:36:08,186 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 38 states.
[2020-10-16 13:36:08,186 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 60 transitions.
[2020-10-16 13:36:08,187 INFO  L78                 Accepts]: Start accepts. Automaton has 38 states and 60 transitions. Word has length 11
[2020-10-16 13:36:08,187 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 13:36:08,187 INFO  L481      AbstractCegarLoop]: Abstraction has 38 states and 60 transitions.
[2020-10-16 13:36:08,188 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-10-16 13:36:08,188 INFO  L276                IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions.
[2020-10-16 13:36:08,189 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2020-10-16 13:36:08,189 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 13:36:08,189 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 13:36:08,190 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-10-16 13:36:08,190 INFO  L429      AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 13:36:08,190 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 13:36:08,190 INFO  L82        PathProgramCache]: Analyzing trace with hash 1006413915, now seen corresponding path program 1 times
[2020-10-16 13:36:08,192 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 13:36:08,192 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464352415]
[2020-10-16 13:36:08,192 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 13:36:08,246 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 13:36:08,299 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 13:36:08,299 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464352415]
[2020-10-16 13:36:08,299 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 13:36:08,300 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-10-16 13:36:08,300 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [161497126]
[2020-10-16 13:36:08,300 INFO  L200    McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-10-16 13:36:08,302 INFO  L255    McrAutomatonBuilder]: Started intersection.
[2020-10-16 13:36:08,305 INFO  L258    McrAutomatonBuilder]: Finished intersection with 21 states and 28 transitions.
[2020-10-16 13:36:08,306 INFO  L282    McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider
[2020-10-16 13:36:08,313 INFO  L603       QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts
[2020-10-16 13:36:08,329 INFO  L603       QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts
[2020-10-16 13:36:08,355 INFO  L313    McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: []
[2020-10-16 13:36:08,356 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-10-16 13:36:08,356 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 13:36:08,356 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-10-16 13:36:08,357 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-10-16 13:36:08,357 INFO  L87              Difference]: Start difference. First operand 38 states and 60 transitions. Second operand 5 states.
[2020-10-16 13:36:08,392 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 13:36:08,393 INFO  L93              Difference]: Finished difference Result 31 states and 44 transitions.
[2020-10-16 13:36:08,393 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-10-16 13:36:08,394 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 12
[2020-10-16 13:36:08,394 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 13:36:08,394 INFO  L225             Difference]: With dead ends: 31
[2020-10-16 13:36:08,394 INFO  L226             Difference]: Without dead ends: 25
[2020-10-16 13:36:08,395 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 4 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-10-16 13:36:08,395 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 25 states.
[2020-10-16 13:36:08,397 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25.
[2020-10-16 13:36:08,397 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 25 states.
[2020-10-16 13:36:08,397 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 34 transitions.
[2020-10-16 13:36:08,397 INFO  L78                 Accepts]: Start accepts. Automaton has 25 states and 34 transitions. Word has length 12
[2020-10-16 13:36:08,398 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 13:36:08,398 INFO  L481      AbstractCegarLoop]: Abstraction has 25 states and 34 transitions.
[2020-10-16 13:36:08,398 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-10-16 13:36:08,398 INFO  L276                IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions.
[2020-10-16 13:36:08,398 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2020-10-16 13:36:08,398 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 13:36:08,399 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 13:36:08,399 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-10-16 13:36:08,399 INFO  L429      AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 13:36:08,399 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 13:36:08,399 INFO  L82        PathProgramCache]: Analyzing trace with hash -839001934, now seen corresponding path program 1 times
[2020-10-16 13:36:08,401 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 13:36:08,401 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76823723]
[2020-10-16 13:36:08,401 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 13:36:08,453 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-10-16 13:36:08,454 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-10-16 13:36:08,530 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-10-16 13:36:08,531 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-10-16 13:36:08,574 INFO  L173   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2020-10-16 13:36:08,574 INFO  L523         BasicCegarLoop]: Counterexample might be feasible
[2020-10-16 13:36:08,574 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-10-16 13:36:08,575 WARN  L264   etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available.
[2020-10-16 13:36:08,589 WARN  L124   codingBacktranslator]: Skipped backtranslation of ATE [847] [847] L808-->L815: Formula: (let ((.cse7 (= (mod ~y$w_buff1_used~0_In292738375 256) 0)) (.cse8 (= (mod ~y$r_buff1_thd0~0_In292738375 256) 0)) (.cse10 (= (mod ~y$r_buff0_thd0~0_In292738375 256) 0)) (.cse9 (= (mod ~y$w_buff0_used~0_In292738375 256) 0))) (let ((.cse1 (not .cse9)) (.cse2 (not .cse10)) (.cse0 (or .cse9 .cse10)) (.cse4 (or .cse7 .cse8)) (.cse5 (not .cse8)) (.cse6 (not .cse7))) (and (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out292738375 0)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond_In292738375| ULTIMATE.start_assume_abort_if_not_~cond_Out292738375) (or (and .cse0 (= ~y$w_buff0_used~0_Out292738375 ~y$w_buff0_used~0_In292738375)) (and .cse1 (= ~y$w_buff0_used~0_Out292738375 0) .cse2)) (let ((.cse3 (select |#memory_int_In292738375| |~#y~0.base_In292738375|))) (or (and .cse1 (= |#memory_int_Out292738375| (store |#memory_int_In292738375| |~#y~0.base_In292738375| (store .cse3 |~#y~0.offset_In292738375| ~y$w_buff0~0_In292738375))) .cse2) (and .cse0 (or (and .cse4 (= (store |#memory_int_In292738375| |~#y~0.base_In292738375| (store .cse3 |~#y~0.offset_In292738375| (select .cse3 |~#y~0.offset_In292738375|))) |#memory_int_Out292738375|)) (and (= (store |#memory_int_In292738375| |~#y~0.base_In292738375| (store .cse3 |~#y~0.offset_In292738375| ~y$w_buff1~0_In292738375)) |#memory_int_Out292738375|) .cse5 .cse6))))) (= ~y$r_buff1_thd0~0_In292738375 ~y$r_buff1_thd0~0_Out292738375) (= ~y$r_buff0_thd0~0_In292738375 ~y$r_buff0_thd0~0_Out292738375) (or (and .cse4 (= ~y$w_buff1_used~0_Out292738375 ~y$w_buff1_used~0_In292738375)) (and .cse5 .cse6 (= ~y$w_buff1_used~0_Out292738375 0))))))  InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In292738375|, ~#y~0.offset=|~#y~0.offset_In292738375|, ~y$w_buff0_used~0=~y$w_buff0_used~0_In292738375, ~y$w_buff1~0=~y$w_buff1~0_In292738375, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In292738375, ~y$w_buff0~0=~y$w_buff0~0_In292738375, #memory_int=|#memory_int_In292738375|, ~#y~0.base=|~#y~0.base_In292738375|, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In292738375, ~y$w_buff1_used~0=~y$w_buff1_used~0_In292738375}  OutVars{~#y~0.offset=|~#y~0.offset_In292738375|, ~y$w_buff0_used~0=~y$w_buff0_used~0_Out292738375, ULTIMATE.start_main_#t~ite39=|ULTIMATE.start_main_#t~ite39_Out292738375|, ~#y~0.base=|~#y~0.base_In292738375|, ULTIMATE.start_main_#t~ite43=|ULTIMATE.start_main_#t~ite43_Out292738375|, ULTIMATE.start_main_#t~ite42=|ULTIMATE.start_main_#t~ite42_Out292738375|, ULTIMATE.start_main_#t~ite44=|ULTIMATE.start_main_#t~ite44_Out292738375|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In292738375|, ULTIMATE.start_main_#t~ite41=|ULTIMATE.start_main_#t~ite41_Out292738375|, ULTIMATE.start_main_#t~ite40=|ULTIMATE.start_main_#t~ite40_Out292738375|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out292738375, ~y$w_buff1~0=~y$w_buff1~0_In292738375, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_Out292738375, ~y$w_buff0~0=~y$w_buff0~0_In292738375, #memory_int=|#memory_int_Out292738375|, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_Out292738375, ~y$w_buff1_used~0=~y$w_buff1_used~0_Out292738375, ULTIMATE.start_main_#t~mem38=|ULTIMATE.start_main_#t~mem38_Out292738375|}  AuxVars[]  AssignedVars[~y$w_buff0_used~0, ULTIMATE.start_main_#t~ite39, ULTIMATE.start_main_#t~ite43, ULTIMATE.start_main_#t~ite42, ULTIMATE.start_main_#t~ite44, ULTIMATE.start_main_#t~ite41, ULTIMATE.start_main_#t~ite40, ULTIMATE.start_assume_abort_if_not_~cond, ~y$r_buff0_thd0~0, #memory_int, ~y$r_buff1_thd0~0, ~y$w_buff1_used~0, ULTIMATE.start_main_#t~mem38] because there is no mapped edge
[2020-10-16 13:36:08,594 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 13:36:08,595 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:36:08,595 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 13:36:08,595 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:36:08,595 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 13:36:08,595 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:36:08,596 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 13:36:08,596 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:36:08,596 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 13:36:08,596 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:36:08,596 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 13:36:08,596 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:36:08,597 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 13:36:08,597 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:36:08,597 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 13:36:08,597 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:36:08,597 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 13:36:08,597 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:36:08,598 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 13:36:08,598 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:36:08,598 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 13:36:08,598 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:36:08,600 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 13:36:08,600 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:36:08,600 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 13:36:08,600 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:36:08,601 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 13:36:08,601 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:36:08,601 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 13:36:08,601 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:36:08,601 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 13:36:08,602 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:36:08,602 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 13:36:08,603 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:36:08,651 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:36:08 BasicIcfg
[2020-10-16 13:36:08,651 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-10-16 13:36:08,653 INFO  L168              Benchmark]: Toolchain (without parser) took 10391.24 ms. Allocated memory was 138.9 MB in the beginning and 326.6 MB in the end (delta: 187.7 MB). Free memory was 100.5 MB in the beginning and 187.0 MB in the end (delta: -86.5 MB). Peak memory consumption was 101.2 MB. Max. memory is 7.1 GB.
[2020-10-16 13:36:08,654 INFO  L168              Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
[2020-10-16 13:36:08,655 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 813.49 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 100.1 MB in the beginning and 153.2 MB in the end (delta: -53.0 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB.
[2020-10-16 13:36:08,656 INFO  L168              Benchmark]: Boogie Procedure Inliner took 57.94 ms. Allocated memory is still 200.8 MB. Free memory was 153.2 MB in the beginning and 150.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB.
[2020-10-16 13:36:08,656 INFO  L168              Benchmark]: Boogie Preprocessor took 42.87 ms. Allocated memory is still 200.8 MB. Free memory was 150.4 MB in the beginning and 148.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB.
[2020-10-16 13:36:08,657 INFO  L168              Benchmark]: RCFGBuilder took 1891.31 ms. Allocated memory was 200.8 MB in the beginning and 249.6 MB in the end (delta: 48.8 MB). Free memory was 148.4 MB in the beginning and 202.5 MB in the end (delta: -54.1 MB). Peak memory consumption was 103.2 MB. Max. memory is 7.1 GB.
[2020-10-16 13:36:08,658 INFO  L168              Benchmark]: TraceAbstraction took 7580.10 ms. Allocated memory was 249.6 MB in the beginning and 326.6 MB in the end (delta: 77.1 MB). Free memory was 202.5 MB in the beginning and 187.0 MB in the end (delta: 15.5 MB). Peak memory consumption was 92.5 MB. Max. memory is 7.1 GB.
[2020-10-16 13:36:08,662 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 813.49 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 100.1 MB in the beginning and 153.2 MB in the end (delta: -53.0 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB.
 * Boogie Procedure Inliner took 57.94 ms. Allocated memory is still 200.8 MB. Free memory was 153.2 MB in the beginning and 150.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 42.87 ms. Allocated memory is still 200.8 MB. Free memory was 150.4 MB in the beginning and 148.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1891.31 ms. Allocated memory was 200.8 MB in the beginning and 249.6 MB in the end (delta: 48.8 MB). Free memory was 148.4 MB in the beginning and 202.5 MB in the end (delta: -54.1 MB). Peak memory consumption was 103.2 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 7580.10 ms. Allocated memory was 249.6 MB in the beginning and 326.6 MB in the end (delta: 77.1 MB). Free memory was 202.5 MB in the beginning and 187.0 MB in the end (delta: 15.5 MB). Peak memory consumption was 92.5 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    390 VarBasedMoverChecksPositive, 25 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 36 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 5.4s, 95 PlacesBefore, 24 PlacesAfterwards, 90 TransitionsBefore, 17 TransitionsAfterwards, 756 CoEnabledTransitionPairs, 7 FixpointIterations, 45 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 2 ChoiceCompositions, 81 TotalNumberOfCompositions, 1862 MoverChecksTotal
  - CounterExampleResult [Line: 8]: a call of __VERIFIER_error() is reachable
    a call of __VERIFIER_error() is reachable
We found a FailurePath: 
[L698]               0  int __unbuffered_cnt = 0;
[L700]               0  int __unbuffered_p0_EAX = 0;
[L701]               0  _Bool __unbuffered_p0_EAX$flush_delayed;
[L702]               0  int __unbuffered_p0_EAX$mem_tmp;
[L703]               0  _Bool __unbuffered_p0_EAX$r_buff0_thd0;
[L704]               0  _Bool __unbuffered_p0_EAX$r_buff0_thd1;
[L705]               0  _Bool __unbuffered_p0_EAX$r_buff0_thd2;
[L706]               0  _Bool __unbuffered_p0_EAX$r_buff1_thd0;
[L707]               0  _Bool __unbuffered_p0_EAX$r_buff1_thd1;
[L708]               0  _Bool __unbuffered_p0_EAX$r_buff1_thd2;
[L709]               0  _Bool __unbuffered_p0_EAX$read_delayed;
[L710]               0  int *__unbuffered_p0_EAX$read_delayed_var;
[L711]               0  int __unbuffered_p0_EAX$w_buff0;
[L712]               0  _Bool __unbuffered_p0_EAX$w_buff0_used;
[L713]               0  int __unbuffered_p0_EAX$w_buff1;
[L714]               0  _Bool __unbuffered_p0_EAX$w_buff1_used;
[L716]               0  int __unbuffered_p1_EAX = 0;
[L717]               0  _Bool main$tmp_guard0;
[L718]               0  _Bool main$tmp_guard1;
[L720]               0  int x = 0;
[L722]               0  int y = 0;
[L723]               0  _Bool y$flush_delayed;
[L724]               0  int y$mem_tmp;
[L725]               0  _Bool y$r_buff0_thd0;
[L726]               0  _Bool y$r_buff0_thd1;
[L727]               0  _Bool y$r_buff0_thd2;
[L728]               0  _Bool y$r_buff1_thd0;
[L729]               0  _Bool y$r_buff1_thd1;
[L730]               0  _Bool y$r_buff1_thd2;
[L731]               0  _Bool y$read_delayed;
[L732]               0  int *y$read_delayed_var;
[L733]               0  int y$w_buff0;
[L734]               0  _Bool y$w_buff0_used;
[L735]               0  int y$w_buff1;
[L736]               0  _Bool y$w_buff1_used;
[L737]               0  _Bool weak$$choice0;
[L738]               0  _Bool weak$$choice1;
[L739]               0  _Bool weak$$choice2;
[L801]               0  pthread_t t1929;
[L802]  FCALL, FORK  0  pthread_create(&t1929, ((void *)0), P0, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L743]               1  weak$$choice0 = __VERIFIER_nondet_bool()
[L744]               1  weak$$choice2 = __VERIFIER_nondet_bool()
[L745]               1  y$flush_delayed = weak$$choice2
[L746]  EXPR         1  \read(y)
[L746]               1  y$mem_tmp = y
[L747]  EXPR         1  !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1)
[L747]  EXPR         1  \read(y)
[L747]  EXPR         1  !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1)
[L747]               1  y = !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1)
[L748]  EXPR         1  weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0))
[L748]  EXPR         1  !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)
[L748]  EXPR         1  weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0))
[L748]               1  y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0))
[L749]  EXPR         1  weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1))
[L749]  EXPR         1  !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)
[L749]  EXPR         1  y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1
[L749]  EXPR         1  !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)
[L749]  EXPR         1  weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1))
[L749]               1  y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1))
[L750]  EXPR         1  weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used))
[L750]               1  y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used))
[L751]  EXPR         1  weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))
[L751]               1  y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))
[L752]  EXPR         1  weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1))
[L752]               1  y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1))
[L753]  EXPR         1  weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))
[L753]               1  y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))
[L754]               1  __unbuffered_p0_EAX$read_delayed = (_Bool)1
[L755]               1  __unbuffered_p0_EAX$read_delayed_var = &y
[L756]  EXPR         1  \read(y)
[L756]               1  __unbuffered_p0_EAX = y
[L757]  EXPR         1  y$flush_delayed ? y$mem_tmp : y
[L757]               1  y = y$flush_delayed ? y$mem_tmp : y
[L758]               1  y$flush_delayed = (_Bool)0
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=255, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L803]               0  pthread_t t1930;
[L804]  FCALL, FORK  0  pthread_create(&t1930, ((void *)0), P1, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=255, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L761]               1  x = 1
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=255, x=1, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L773]               2  __unbuffered_p1_EAX = x
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=255, x=1, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L776]               2  y = 1
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=255, x=1, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L779]  EXPR         2  y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y)
[L779]               2  y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y)
[L780]  EXPR         2  y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used
[L780]               2  y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used
[L781]  EXPR         2  y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used
[L781]               2  y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used
[L782]  EXPR         2  y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2
[L782]               2  y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2
[L783]  EXPR         2  y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2
[L783]               2  y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2
[L766]               1  __unbuffered_cnt = __unbuffered_cnt + 1
[L768]               1  return 0;
[L786]               2  __unbuffered_cnt = __unbuffered_cnt + 1
[L788]               2  return 0;
[L806]               0  main$tmp_guard0 = __unbuffered_cnt == 2
[L817]               0  weak$$choice1 = __VERIFIER_nondet_bool()
[L818]  EXPR         0  __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX
[L818]               0  __unbuffered_p0_EAX = __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX
[L819]               0  main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p1_EAX == 1)
[L8]    COND TRUE    0  !expression
[L8]                 0  __VERIFIER_error()
        VAL             [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=1, weak$$choice2=255, x=1, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 3 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 7.3s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.5s, HoareTripleCheckerStatistics: 69 SDtfs, 46 SDslu, 83 SDs, 0 SdLazy, 70 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 16 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=110occurred 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 3075 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...