/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/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin001_pso.oepc.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-b981219
[2020-04-17 22:38:13,978 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-04-17 22:38:13,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-04-17 22:38:13,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-04-17 22:38:13,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-04-17 22:38:14,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-04-17 22:38:14,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-04-17 22:38:14,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-04-17 22:38:14,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-04-17 22:38:14,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2020-04-17 22:38:14,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-04-17 22:38:14,021 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-04-17 22:38:14,024 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-04-17 22:38:14,025 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-04-17 22:38:14,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-04-17 22:38:14,030 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-04-17 22:38:14,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-04-17 22:38:14,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-04-17 22:38:14,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-04-17 22:38:14,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-04-17 22:38:14,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-04-17 22:38:14,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-04-17 22:38:14,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-04-17 22:38:14,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-04-17 22:38:14,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-04-17 22:38:14,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-04-17 22:38:14,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-04-17 22:38:14,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-04-17 22:38:14,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-04-17 22:38:14,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-04-17 22:38:14,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2020-04-17 22:38:14,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2020-04-17 22:38:14,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-04-17 22:38:14,065 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf
[2020-04-17 22:38:14,080 INFO L113 SettingsManager]: Loading preferences was successful
[2020-04-17 22:38:14,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-04-17 22:38:14,081 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-04-17 22:38:14,082 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-04-17 22:38:14,082 INFO L138 SettingsManager]: * Use SBE=true
[2020-04-17 22:38:14,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-04-17 22:38:14,082 INFO L138 SettingsManager]: * sizeof long=4
[2020-04-17 22:38:14,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-04-17 22:38:14,083 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-04-17 22:38:14,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-04-17 22:38:14,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-04-17 22:38:14,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-04-17 22:38:14,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-04-17 22:38:14,083 INFO L138 SettingsManager]: * sizeof long double=12
[2020-04-17 22:38:14,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-04-17 22:38:14,084 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-04-17 22:38:14,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-04-17 22:38:14,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-04-17 22:38:14,085 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-04-17 22:38:14,085 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-04-17 22:38:14,085 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-04-17 22:38:14,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-04-17 22:38:14,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-04-17 22:38:14,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-04-17 22:38:14,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-04-17 22:38:14,086 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-04-17 22:38:14,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-04-17 22:38:14,086 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-04-17 22:38:14,086 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2020-04-17 22:38:14,378 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-04-17 22:38:14,392 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-04-17 22:38:14,395 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-04-17 22:38:14,397 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-04-17 22:38:14,397 INFO L275 PluginConnector]: CDTParser initialized
[2020-04-17 22:38:14,398 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin001_pso.oepc.i
[2020-04-17 22:38:14,457 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fde2c3c82/eb3e9eab994141508cdf7f97f36c0d90/FLAG13fe1621e
[2020-04-17 22:38:14,994 INFO L306 CDTParser]: Found 1 translation units.
[2020-04-17 22:38:14,996 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin001_pso.oepc.i
[2020-04-17 22:38:15,021 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fde2c3c82/eb3e9eab994141508cdf7f97f36c0d90/FLAG13fe1621e
[2020-04-17 22:38:15,284 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fde2c3c82/eb3e9eab994141508cdf7f97f36c0d90
[2020-04-17 22:38:15,293 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-04-17 22:38:15,316 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2020-04-17 22:38:15,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-04-17 22:38:15,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-04-17 22:38:15,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-04-17 22:38:15,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 10:38:15" (1/1) ...
[2020-04-17 22:38:15,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1479c75e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:38:15, skipping insertion in model container
[2020-04-17 22:38:15,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 10:38:15" (1/1) ...
[2020-04-17 22:38:15,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-04-17 22:38:15,382 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-04-17 22:38:15,846 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-04-17 22:38:15,857 INFO L203 MainTranslator]: Completed pre-run
[2020-04-17 22:38:15,902 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-04-17 22:38:15,992 INFO L208 MainTranslator]: Completed translation
[2020-04-17 22:38:15,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:38:15 WrapperNode
[2020-04-17 22:38:15,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-04-17 22:38:15,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-04-17 22:38:15,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-04-17 22:38:15,995 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2020-04-17 22:38:16,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:38:15" (1/1) ...
[2020-04-17 22:38:16,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:38:15" (1/1) ...
[2020-04-17 22:38:16,044 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-04-17 22:38:16,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-04-17 22:38:16,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-04-17 22:38:16,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-04-17 22:38:16,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:38:15" (1/1) ...
[2020-04-17 22:38:16,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:38:15" (1/1) ...
[2020-04-17 22:38:16,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:38:15" (1/1) ...
[2020-04-17 22:38:16,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:38:15" (1/1) ...
[2020-04-17 22:38:16,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:38:15" (1/1) ...
[2020-04-17 22:38:16,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:38:15" (1/1) ...
[2020-04-17 22:38:16,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:38:15" (1/1) ...
[2020-04-17 22:38:16,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-04-17 22:38:16,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-04-17 22:38:16,072 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-04-17 22:38:16,072 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-04-17 22:38:16,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:38:15" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-04-17 22:38:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-04-17 22:38:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2020-04-17 22:38:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-04-17 22:38:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-04-17 22:38:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2020-04-17 22:38:16,132 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2020-04-17 22:38:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2020-04-17 22:38:16,132 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2020-04-17 22:38:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2020-04-17 22:38:16,133 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2020-04-17 22:38:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2020-04-17 22:38:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-04-17 22:38:16,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-04-17 22:38:16,135 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2020-04-17 22:38:16,601 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-04-17 22:38:16,602 INFO L295 CfgBuilder]: Removed 8 assume(true) statements.
[2020-04-17 22:38:16,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 10:38:16 BoogieIcfgContainer
[2020-04-17 22:38:16,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-04-17 22:38:16,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-04-17 22:38:16,608 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-04-17 22:38:16,613 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-04-17 22:38:16,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.04 10:38:15" (1/3) ...
[2020-04-17 22:38:16,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f38b118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 10:38:16, skipping insertion in model container
[2020-04-17 22:38:16,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:38:15" (2/3) ...
[2020-04-17 22:38:16,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f38b118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 10:38:16, skipping insertion in model container
[2020-04-17 22:38:16,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 10:38:16" (3/3) ...
[2020-04-17 22:38:16,620 INFO L109 eAbstractionObserver]: Analyzing ICFG thin001_pso.oepc.i
[2020-04-17 22:38:16,631 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-04-17 22:38:16,632 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-04-17 22:38:16,639 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-04-17 22:38:16,641 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-04-17 22:38:16,668 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:38:16,669 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:38:16,669 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:38:16,669 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:38:16,670 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:38:16,670 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:38:16,671 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:38:16,671 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:38:16,671 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:38:16,672 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:38:16,672 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:38:16,672 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:38:16,673 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:38:16,673 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:38:16,673 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:38:16,674 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:38:16,674 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:38:16,674 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:38:16,679 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:38:16,679 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:38:16,679 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:38:16,680 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:38:16,686 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:38:16,686 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:38:16,687 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:38:16,687 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:38:16,690 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:38:16,690 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:38:16,690 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:38:16,690 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:38:16,707 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2020-04-17 22:38:16,730 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-04-17 22:38:16,730 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-04-17 22:38:16,730 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-04-17 22:38:16,730 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-04-17 22:38:16,731 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-04-17 22:38:16,731 INFO L380 AbstractCegarLoop]: Difference is false
[2020-04-17 22:38:16,731 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-04-17 22:38:16,731 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-04-17 22:38:16,749 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 71 transitions, 157 flow
[2020-04-17 22:38:16,751 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow
[2020-04-17 22:38:16,805 INFO L129 PetriNetUnfolder]: 2/68 cut-off events.
[2020-04-17 22:38:16,806 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2020-04-17 22:38:16,813 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place.
[2020-04-17 22:38:16,820 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow
[2020-04-17 22:38:16,845 INFO L129 PetriNetUnfolder]: 2/68 cut-off events.
[2020-04-17 22:38:16,845 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2020-04-17 22:38:16,846 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place.
[2020-04-17 22:38:16,848 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260
[2020-04-17 22:38:16,850 INFO L170 etLargeBlockEncoding]: Semantic Check.
[2020-04-17 22:38:18,342 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51
[2020-04-17 22:38:18,462 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2463
[2020-04-17 22:38:18,462 INFO L214 etLargeBlockEncoding]: Total number of compositions: 57
[2020-04-17 22:38:18,466 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow
[2020-04-17 22:38:18,493 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states.
[2020-04-17 22:38:18,495 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states.
[2020-04-17 22:38:18,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2020-04-17 22:38:18,503 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 22:38:18,504 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 22:38:18,504 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 22:38:18,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 22:38:18,511 INFO L82 PathProgramCache]: Analyzing trace with hash -691335731, now seen corresponding path program 1 times
[2020-04-17 22:38:18,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 22:38:18,520 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511471463]
[2020-04-17 22:38:18,521 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 22:38:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 22:38:18,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-17 22:38:18,673 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511471463]
[2020-04-17 22:38:18,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 22:38:18,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-17 22:38:18,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117741983]
[2020-04-17 22:38:18,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-04-17 22:38:18,680 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 22:38:18,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-04-17 22:38:18,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-04-17 22:38:18,698 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states.
[2020-04-17 22:38:18,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 22:38:18,731 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions.
[2020-04-17 22:38:18,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2020-04-17 22:38:18,732 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8
[2020-04-17 22:38:18,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 22:38:18,754 INFO L225 Difference]: With dead ends: 362
[2020-04-17 22:38:18,755 INFO L226 Difference]: Without dead ends: 298
[2020-04-17 22:38:18,756 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-04-17 22:38:18,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states.
[2020-04-17 22:38:18,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298.
[2020-04-17 22:38:18,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states.
[2020-04-17 22:38:18,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions.
[2020-04-17 22:38:18,844 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8
[2020-04-17 22:38:18,845 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 22:38:18,845 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions.
[2020-04-17 22:38:18,845 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-04-17 22:38:18,845 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions.
[2020-04-17 22:38:18,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2020-04-17 22:38:18,850 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 22:38:18,850 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 22:38:18,850 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 22:38:18,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 22:38:18,851 INFO L82 PathProgramCache]: Analyzing trace with hash 43425274, now seen corresponding path program 1 times
[2020-04-17 22:38:18,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 22:38:18,851 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408230142]
[2020-04-17 22:38:18,851 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 22:38:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 22:38:19,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-17 22:38:19,017 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408230142]
[2020-04-17 22:38:19,017 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 22:38:19,017 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-17 22:38:19,017 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098695609]
[2020-04-17 22:38:19,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-04-17 22:38:19,021 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 22:38:19,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-17 22:38:19,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-04-17 22:38:19,022 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 4 states.
[2020-04-17 22:38:19,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 22:38:19,068 INFO L93 Difference]: Finished difference Result 330 states and 912 transitions.
[2020-04-17 22:38:19,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-04-17 22:38:19,069 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9
[2020-04-17 22:38:19,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 22:38:19,074 INFO L225 Difference]: With dead ends: 330
[2020-04-17 22:38:19,074 INFO L226 Difference]: Without dead ends: 266
[2020-04-17 22:38:19,075 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-04-17 22:38:19,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states.
[2020-04-17 22:38:19,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266.
[2020-04-17 22:38:19,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states.
[2020-04-17 22:38:19,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 752 transitions.
[2020-04-17 22:38:19,118 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 752 transitions. Word has length 9
[2020-04-17 22:38:19,119 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 22:38:19,119 INFO L479 AbstractCegarLoop]: Abstraction has 266 states and 752 transitions.
[2020-04-17 22:38:19,119 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-04-17 22:38:19,119 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 752 transitions.
[2020-04-17 22:38:19,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2020-04-17 22:38:19,121 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 22:38:19,122 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 22:38:19,122 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 22:38:19,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 22:38:19,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1226466257, now seen corresponding path program 1 times
[2020-04-17 22:38:19,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 22:38:19,125 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613579647]
[2020-04-17 22:38:19,125 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 22:38:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 22:38:19,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-17 22:38:19,258 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613579647]
[2020-04-17 22:38:19,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 22:38:19,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-04-17 22:38:19,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185974999]
[2020-04-17 22:38:19,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-04-17 22:38:19,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 22:38:19,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-04-17 22:38:19,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-04-17 22:38:19,260 INFO L87 Difference]: Start difference. First operand 266 states and 752 transitions. Second operand 6 states.
[2020-04-17 22:38:19,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 22:38:19,391 INFO L93 Difference]: Finished difference Result 350 states and 940 transitions.
[2020-04-17 22:38:19,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2020-04-17 22:38:19,392 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10
[2020-04-17 22:38:19,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 22:38:19,394 INFO L225 Difference]: With dead ends: 350
[2020-04-17 22:38:19,394 INFO L226 Difference]: Without dead ends: 182
[2020-04-17 22:38:19,394 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90
[2020-04-17 22:38:19,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states.
[2020-04-17 22:38:19,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182.
[2020-04-17 22:38:19,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states.
[2020-04-17 22:38:19,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 458 transitions.
[2020-04-17 22:38:19,406 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 458 transitions. Word has length 10
[2020-04-17 22:38:19,406 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 22:38:19,406 INFO L479 AbstractCegarLoop]: Abstraction has 182 states and 458 transitions.
[2020-04-17 22:38:19,406 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-04-17 22:38:19,406 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 458 transitions.
[2020-04-17 22:38:19,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2020-04-17 22:38:19,408 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 22:38:19,408 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 22:38:19,408 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 22:38:19,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 22:38:19,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1670897012, now seen corresponding path program 1 times
[2020-04-17 22:38:19,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 22:38:19,409 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992379793]
[2020-04-17 22:38:19,409 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 22:38:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 22:38:19,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-17 22:38:19,459 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992379793]
[2020-04-17 22:38:19,459 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 22:38:19,459 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-17 22:38:19,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367863482]
[2020-04-17 22:38:19,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-04-17 22:38:19,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 22:38:19,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-17 22:38:19,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-04-17 22:38:19,461 INFO L87 Difference]: Start difference. First operand 182 states and 458 transitions. Second operand 4 states.
[2020-04-17 22:38:19,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 22:38:19,480 INFO L93 Difference]: Finished difference Result 194 states and 472 transitions.
[2020-04-17 22:38:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-04-17 22:38:19,481 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12
[2020-04-17 22:38:19,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 22:38:19,482 INFO L225 Difference]: With dead ends: 194
[2020-04-17 22:38:19,482 INFO L226 Difference]: Without dead ends: 170
[2020-04-17 22:38:19,483 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-04-17 22:38:19,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states.
[2020-04-17 22:38:19,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170.
[2020-04-17 22:38:19,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states.
[2020-04-17 22:38:19,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 420 transitions.
[2020-04-17 22:38:19,490 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 420 transitions. Word has length 12
[2020-04-17 22:38:19,490 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 22:38:19,490 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 420 transitions.
[2020-04-17 22:38:19,490 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-04-17 22:38:19,491 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 420 transitions.
[2020-04-17 22:38:19,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2020-04-17 22:38:19,492 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 22:38:19,492 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 22:38:19,492 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 22:38:19,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 22:38:19,493 INFO L82 PathProgramCache]: Analyzing trace with hash 257080554, now seen corresponding path program 1 times
[2020-04-17 22:38:19,493 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 22:38:19,493 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071848034]
[2020-04-17 22:38:19,494 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 22:38:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 22:38:19,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-17 22:38:19,564 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071848034]
[2020-04-17 22:38:19,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 22:38:19,565 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-04-17 22:38:19,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508653233]
[2020-04-17 22:38:19,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-04-17 22:38:19,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 22:38:19,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-04-17 22:38:19,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-04-17 22:38:19,566 INFO L87 Difference]: Start difference. First operand 170 states and 420 transitions. Second operand 5 states.
[2020-04-17 22:38:19,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 22:38:19,604 INFO L93 Difference]: Finished difference Result 194 states and 469 transitions.
[2020-04-17 22:38:19,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-04-17 22:38:19,605 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13
[2020-04-17 22:38:19,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 22:38:19,606 INFO L225 Difference]: With dead ends: 194
[2020-04-17 22:38:19,606 INFO L226 Difference]: Without dead ends: 98
[2020-04-17 22:38:19,607 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2020-04-17 22:38:19,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states.
[2020-04-17 22:38:19,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98.
[2020-04-17 22:38:19,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states.
[2020-04-17 22:38:19,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 218 transitions.
[2020-04-17 22:38:19,611 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 218 transitions. Word has length 13
[2020-04-17 22:38:19,611 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 22:38:19,612 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 218 transitions.
[2020-04-17 22:38:19,612 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-04-17 22:38:19,612 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 218 transitions.
[2020-04-17 22:38:19,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2020-04-17 22:38:19,613 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 22:38:19,613 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 22:38:19,613 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 22:38:19,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 22:38:19,614 INFO L82 PathProgramCache]: Analyzing trace with hash -647415272, now seen corresponding path program 1 times
[2020-04-17 22:38:19,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 22:38:19,614 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646950108]
[2020-04-17 22:38:19,614 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 22:38:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 22:38:19,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-17 22:38:19,668 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646950108]
[2020-04-17 22:38:19,668 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 22:38:19,668 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-04-17 22:38:19,669 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254488169]
[2020-04-17 22:38:19,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-04-17 22:38:19,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 22:38:19,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-04-17 22:38:19,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-04-17 22:38:19,670 INFO L87 Difference]: Start difference. First operand 98 states and 218 transitions. Second operand 5 states.
[2020-04-17 22:38:19,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 22:38:19,706 INFO L93 Difference]: Finished difference Result 86 states and 186 transitions.
[2020-04-17 22:38:19,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-04-17 22:38:19,706 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14
[2020-04-17 22:38:19,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 22:38:19,707 INFO L225 Difference]: With dead ends: 86
[2020-04-17 22:38:19,707 INFO L226 Difference]: Without dead ends: 0
[2020-04-17 22:38:19,707 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2020-04-17 22:38:19,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-04-17 22:38:19,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-04-17 22:38:19,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-04-17 22:38:19,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-04-17 22:38:19,708 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14
[2020-04-17 22:38:19,708 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 22:38:19,708 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-04-17 22:38:19,708 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-04-17 22:38:19,709 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-04-17 22:38:19,709 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-17 22:38:19,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.04 10:38:19 BasicIcfg
[2020-04-17 22:38:19,713 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-04-17 22:38:19,715 INFO L168 Benchmark]: Toolchain (without parser) took 4419.75 ms. Allocated memory was 135.3 MB in the beginning and 254.3 MB in the end (delta: 119.0 MB). Free memory was 98.1 MB in the beginning and 92.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 124.7 MB. Max. memory is 7.1 GB.
[2020-04-17 22:38:19,716 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 135.3 MB. Free memory was 118.4 MB in the beginning and 118.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
[2020-04-17 22:38:19,717 INFO L168 Benchmark]: CACSL2BoogieTranslator took 676.83 ms. Allocated memory was 135.3 MB in the beginning and 198.7 MB in the end (delta: 63.4 MB). Free memory was 96.2 MB in the beginning and 155.3 MB in the end (delta: -59.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB.
[2020-04-17 22:38:19,718 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.83 ms. Allocated memory is still 198.7 MB. Free memory was 155.3 MB in the beginning and 153.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB.
[2020-04-17 22:38:19,718 INFO L168 Benchmark]: Boogie Preprocessor took 27.12 ms. Allocated memory is still 198.7 MB. Free memory was 153.2 MB in the beginning and 151.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB.
[2020-04-17 22:38:19,719 INFO L168 Benchmark]: RCFGBuilder took 534.81 ms. Allocated memory is still 198.7 MB. Free memory was 151.7 MB in the beginning and 129.2 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB.
[2020-04-17 22:38:19,720 INFO L168 Benchmark]: TraceAbstraction took 3105.07 ms. Allocated memory was 198.7 MB in the beginning and 254.3 MB in the end (delta: 55.6 MB). Free memory was 129.2 MB in the beginning and 92.4 MB in the end (delta: 36.8 MB). Peak memory consumption was 92.4 MB. Max. memory is 7.1 GB.
[2020-04-17 22:38:19,725 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23 ms. Allocated memory is still 135.3 MB. Free memory was 118.4 MB in the beginning and 118.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 676.83 ms. Allocated memory was 135.3 MB in the beginning and 198.7 MB in the end (delta: 63.4 MB). Free memory was 96.2 MB in the beginning and 155.3 MB in the end (delta: -59.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB.
* Boogie Procedure Inliner took 49.83 ms. Allocated memory is still 198.7 MB. Free memory was 155.3 MB in the beginning and 153.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 27.12 ms. Allocated memory is still 198.7 MB. Free memory was 153.2 MB in the beginning and 151.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 534.81 ms. Allocated memory is still 198.7 MB. Free memory was 151.7 MB in the beginning and 129.2 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 3105.07 ms. Allocated memory was 198.7 MB in the beginning and 254.3 MB in the end (delta: 55.6 MB). Free memory was 129.2 MB in the beginning and 92.4 MB in the end (delta: 36.8 MB). Peak memory consumption was 92.4 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
LbeTime: 1.7s, 79 ProgramPointsBefore, 32 ProgramPointsAfterwards, 71 TransitionsBefore, 23 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 1 ChoiceCompositions, 688 VarBasedMoverChecksPositive, 31 VarBasedMoverChecksNegative, 17 SemBasedMoverChecksPositive, 29 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 0 MoverChecksTotal, 2463 CheckedPairsTotal, 57 TotalNumberOfCompositions
- PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.7s, HoareTripleCheckerStatistics: 127 SDtfs, 160 SDslu, 180 SDs, 0 SdLazy, 68 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 2100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...