/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-VariableLbe-McrStrategy.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe000_pso.oepc.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-b981219
[2020-04-18 14:50:19,959 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-04-18 14:50:19,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-04-18 14:50:19,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-04-18 14:50:19,974 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-04-18 14:50:19,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-04-18 14:50:19,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-04-18 14:50:19,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-04-18 14:50:19,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-04-18 14:50:19,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-04-18 14:50:19,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-04-18 14:50:19,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-04-18 14:50:19,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-04-18 14:50:19,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-04-18 14:50:19,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-04-18 14:50:19,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-04-18 14:50:19,987 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-04-18 14:50:19,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-04-18 14:50:19,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-04-18 14:50:19,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-04-18 14:50:19,993 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-04-18 14:50:19,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-04-18 14:50:19,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-04-18 14:50:19,996 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-04-18 14:50:19,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-04-18 14:50:19,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-04-18 14:50:19,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-04-18 14:50:20,000 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
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[2020-04-18 14:50:20,002 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-04-18 14:50:20,002 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-04-18 14:50:20,003 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2020-04-18 14:50:20,005 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-04-18 14:50:20,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-04-18 14:50:20,006 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2020-04-18 14:50:20,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2020-04-18 14:50:20,007 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-04-18 14:50:20,008 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-VariableLbe-McrStrategy.epf
[2020-04-18 14:50:20,025 INFO L113 SettingsManager]: Loading preferences was successful
[2020-04-18 14:50:20,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-04-18 14:50:20,026 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-04-18 14:50:20,026 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-04-18 14:50:20,027 INFO L138 SettingsManager]: * Use SBE=true
[2020-04-18 14:50:20,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-04-18 14:50:20,027 INFO L138 SettingsManager]: * sizeof long=4
[2020-04-18 14:50:20,027 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-04-18 14:50:20,027 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-04-18 14:50:20,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-04-18 14:50:20,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-04-18 14:50:20,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-04-18 14:50:20,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-04-18 14:50:20,029 INFO L138 SettingsManager]: * sizeof long double=12
[2020-04-18 14:50:20,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-04-18 14:50:20,029 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-04-18 14:50:20,029 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-04-18 14:50:20,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-04-18 14:50:20,030 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-04-18 14:50:20,030 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-04-18 14:50:20,030 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-04-18 14:50:20,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-04-18 14:50:20,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-04-18 14:50:20,031 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-04-18 14:50:20,031 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-04-18 14:50:20,031 INFO L138 SettingsManager]: * Trace refinement strategy=MCR
[2020-04-18 14:50:20,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-04-18 14:50:20,031 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK
[2020-04-18 14:50:20,031 INFO L138 SettingsManager]: * Trace refinement strategy used in MCR=CAMEL
[2020-04-18 14:50:20,032 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-04-18 14:50:20,032 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2020-04-18 14:50:20,336 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-04-18 14:50:20,360 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-04-18 14:50:20,364 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-04-18 14:50:20,366 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-04-18 14:50:20,367 INFO L275 PluginConnector]: CDTParser initialized
[2020-04-18 14:50:20,368 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe000_pso.oepc.i
[2020-04-18 14:50:20,453 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3148cdcf/66b2968c17004a0195e645912484af06/FLAG4b767516d
[2020-04-18 14:50:21,005 INFO L306 CDTParser]: Found 1 translation units.
[2020-04-18 14:50:21,006 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe000_pso.oepc.i
[2020-04-18 14:50:21,022 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3148cdcf/66b2968c17004a0195e645912484af06/FLAG4b767516d
[2020-04-18 14:50:21,334 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3148cdcf/66b2968c17004a0195e645912484af06
[2020-04-18 14:50:21,344 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-04-18 14:50:21,368 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2020-04-18 14:50:21,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-04-18 14:50:21,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-04-18 14:50:21,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-04-18 14:50:21,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 02:50:21" (1/1) ...
[2020-04-18 14:50:21,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@131f8aa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:50:21, skipping insertion in model container
[2020-04-18 14:50:21,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 02:50:21" (1/1) ...
[2020-04-18 14:50:21,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-04-18 14:50:21,449 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-04-18 14:50:22,050 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-04-18 14:50:22,065 INFO L203 MainTranslator]: Completed pre-run
[2020-04-18 14:50:22,132 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-04-18 14:50:22,219 INFO L208 MainTranslator]: Completed translation
[2020-04-18 14:50:22,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:50:22 WrapperNode
[2020-04-18 14:50:22,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-04-18 14:50:22,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-04-18 14:50:22,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-04-18 14:50:22,221 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2020-04-18 14:50:22,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:50:22" (1/1) ...
[2020-04-18 14:50:22,247 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:50:22" (1/1) ...
[2020-04-18 14:50:22,271 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-04-18 14:50:22,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-04-18 14:50:22,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-04-18 14:50:22,272 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-04-18 14:50:22,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:50:22" (1/1) ...
[2020-04-18 14:50:22,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:50:22" (1/1) ...
[2020-04-18 14:50:22,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:50:22" (1/1) ...
[2020-04-18 14:50:22,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:50:22" (1/1) ...
[2020-04-18 14:50:22,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:50:22" (1/1) ...
[2020-04-18 14:50:22,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:50:22" (1/1) ...
[2020-04-18 14:50:22,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:50:22" (1/1) ...
[2020-04-18 14:50:22,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-04-18 14:50:22,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-04-18 14:50:22,301 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-04-18 14:50:22,301 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-04-18 14:50:22,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:50:22" (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
[2020-04-18 14:50:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-04-18 14:50:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2020-04-18 14:50:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-04-18 14:50:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-04-18 14:50:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2020-04-18 14:50:22,364 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2020-04-18 14:50:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2020-04-18 14:50:22,365 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2020-04-18 14:50:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2020-04-18 14:50:22,366 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2020-04-18 14:50:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2020-04-18 14:50:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-04-18 14:50:22,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-04-18 14:50:22,368 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2020-04-18 14:50:22,773 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-04-18 14:50:22,774 INFO L295 CfgBuilder]: Removed 8 assume(true) statements.
[2020-04-18 14:50:22,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 02:50:22 BoogieIcfgContainer
[2020-04-18 14:50:22,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-04-18 14:50:22,784 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-04-18 14:50:22,784 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-04-18 14:50:22,788 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-04-18 14:50:22,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 02:50:21" (1/3) ...
[2020-04-18 14:50:22,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59e48a74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 02:50:22, skipping insertion in model container
[2020-04-18 14:50:22,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:50:22" (2/3) ...
[2020-04-18 14:50:22,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59e48a74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 02:50:22, skipping insertion in model container
[2020-04-18 14:50:22,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 02:50:22" (3/3) ...
[2020-04-18 14:50:22,794 INFO L109 eAbstractionObserver]: Analyzing ICFG safe000_pso.oepc.i
[2020-04-18 14:50:22,803 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-04-18 14:50:22,803 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-04-18 14:50:22,809 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-04-18 14:50:22,811 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-04-18 14:50:22,840 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:50:22,840 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:50:22,841 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:50:22,841 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:50:22,841 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:50:22,842 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:50:22,842 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:50:22,842 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:50:22,843 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:50:22,843 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:50:22,843 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:50:22,844 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:50:22,844 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:50:22,844 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:50:22,844 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:50:22,845 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:50:22,845 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:50:22,845 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:50:22,849 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:50:22,850 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:50:22,850 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:50:22,850 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:50:22,856 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:50:22,856 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:50:22,856 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:50:22,857 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:50:22,865 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:50:22,865 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:50:22,866 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:50:22,867 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:50:22,886 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2020-04-18 14:50:22,907 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-04-18 14:50:22,908 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-04-18 14:50:22,908 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-04-18 14:50:22,908 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-04-18 14:50:22,909 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-04-18 14:50:22,909 INFO L380 AbstractCegarLoop]: Difference is false
[2020-04-18 14:50:22,909 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-04-18 14:50:22,910 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-04-18 14:50:22,926 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 70 transitions, 155 flow
[2020-04-18 14:50:22,929 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow
[2020-04-18 14:50:22,973 INFO L129 PetriNetUnfolder]: 2/67 cut-off events.
[2020-04-18 14:50:22,973 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2020-04-18 14:50:22,978 INFO L80 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 67 events. 2/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place.
[2020-04-18 14:50:22,981 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow
[2020-04-18 14:50:23,002 INFO L129 PetriNetUnfolder]: 2/67 cut-off events.
[2020-04-18 14:50:23,002 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2020-04-18 14:50:23,003 INFO L80 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 67 events. 2/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place.
[2020-04-18 14:50:23,005 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260
[2020-04-18 14:50:23,006 INFO L182 etLargeBlockEncoding]: Variable Check.
[2020-04-18 14:50:24,427 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49
[2020-04-18 14:50:24,588 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44
[2020-04-18 14:50:24,654 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2700
[2020-04-18 14:50:24,654 INFO L214 etLargeBlockEncoding]: Total number of compositions: 59
[2020-04-18 14:50:24,658 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 22 transitions, 59 flow
[2020-04-18 14:50:24,711 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 298 states.
[2020-04-18 14:50:24,713 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states.
[2020-04-18 14:50:24,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2020-04-18 14:50:24,728 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 14:50:24,729 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 14:50:24,729 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 14:50:24,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 14:50:24,737 INFO L82 PathProgramCache]: Analyzing trace with hash -1011733384, now seen corresponding path program 1 times
[2020-04-18 14:50:24,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR
[2020-04-18 14:50:24,747 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [724634996]
[2020-04-18 14:50:24,766 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 14:50:24,778 INFO L259 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions.
[2020-04-18 14:50:24,781 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states.
[2020-04-18 14:50:24,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2020-04-18 14:50:24,783 INFO L105 Mcr]: ---- MCR iteration 0 ----
[2020-04-18 14:50:24,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 14:50:24,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1011733384, now seen corresponding path program 2 times
[2020-04-18 14:50:24,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 14:50:24,790 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361998800]
[2020-04-18 14:50:24,790 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 14:50:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 14:50:25,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-18 14:50:25,044 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361998800]
[2020-04-18 14:50:25,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 14:50:25,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2020-04-18 14:50:25,047 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 14:50:25,049 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 14:50:25,055 INFO L259 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions.
[2020-04-18 14:50:25,055 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 14:50:25,063 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times.
[2020-04-18 14:50:25,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-04-18 14:50:25,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-04-18 14:50:25,070 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states.
[2020-04-18 14:50:25,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 14:50:25,075 INFO L93 Difference]: Finished difference Result 9 states and 8 transitions.
[2020-04-18 14:50:25,075 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions.
[2020-04-18 14:50:25,075 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 14:50:25,076 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [724634996]
[2020-04-18 14:50:25,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-04-18 14:50:25,077 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [1] total 1
[2020-04-18 14:50:25,077 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [724634996]
[2020-04-18 14:50:25,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-04-18 14:50:25,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR
[2020-04-18 14:50:25,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-04-18 14:50:25,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-04-18 14:50:25,084 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 3 states.
[2020-04-18 14:50:25,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 14:50:25,117 INFO L93 Difference]: Finished difference Result 282 states and 808 transitions.
[2020-04-18 14:50:25,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-04-18 14:50:25,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8
[2020-04-18 14:50:25,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 14:50:25,135 INFO L225 Difference]: With dead ends: 282
[2020-04-18 14:50:25,135 INFO L226 Difference]: Without dead ends: 218
[2020-04-18 14:50:25,137 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-04-18 14:50:25,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states.
[2020-04-18 14:50:25,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218.
[2020-04-18 14:50:25,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states.
[2020-04-18 14:50:25,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 600 transitions.
[2020-04-18 14:50:25,206 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 600 transitions. Word has length 8
[2020-04-18 14:50:25,207 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 14:50:25,207 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 600 transitions.
[2020-04-18 14:50:25,207 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-04-18 14:50:25,208 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 600 transitions.
[2020-04-18 14:50:25,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2020-04-18 14:50:25,209 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 14:50:25,209 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 14:50:25,210 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 14:50:25,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 14:50:25,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1035713695, now seen corresponding path program 1 times
[2020-04-18 14:50:25,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR
[2020-04-18 14:50:25,211 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [852322814]
[2020-04-18 14:50:25,211 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 14:50:25,213 INFO L259 McrAutomatonBuilder]: Finished intersection with 16 states and 21 transitions.
[2020-04-18 14:50:25,213 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states.
[2020-04-18 14:50:25,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2020-04-18 14:50:25,214 INFO L105 Mcr]: ---- MCR iteration 0 ----
[2020-04-18 14:50:25,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 14:50:25,214 INFO L82 PathProgramCache]: Analyzing trace with hash -1035713695, now seen corresponding path program 2 times
[2020-04-18 14:50:25,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 14:50:25,215 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113437561]
[2020-04-18 14:50:25,215 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 14:50:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 14:50:25,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-18 14:50:25,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113437561]
[2020-04-18 14:50:25,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 14:50:25,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-18 14:50:25,340 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 14:50:25,341 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 14:50:25,343 INFO L259 McrAutomatonBuilder]: Finished intersection with 15 states and 19 transitions.
[2020-04-18 14:50:25,343 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 14:50:25,353 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times.
[2020-04-18 14:50:25,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-18 14:50:25,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-04-18 14:50:25,354 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 4 states.
[2020-04-18 14:50:25,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 14:50:25,371 INFO L93 Difference]: Finished difference Result 16 states and 21 transitions.
[2020-04-18 14:50:25,371 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions.
[2020-04-18 14:50:25,372 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 14:50:25,373 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [852322814]
[2020-04-18 14:50:25,373 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-04-18 14:50:25,374 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2
[2020-04-18 14:50:25,374 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [852322814]
[2020-04-18 14:50:25,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-04-18 14:50:25,375 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR
[2020-04-18 14:50:25,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-18 14:50:25,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-04-18 14:50:25,375 INFO L87 Difference]: Start difference. First operand 218 states and 600 transitions. Second operand 4 states.
[2020-04-18 14:50:25,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 14:50:25,401 INFO L93 Difference]: Finished difference Result 290 states and 762 transitions.
[2020-04-18 14:50:25,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2020-04-18 14:50:25,401 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9
[2020-04-18 14:50:25,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 14:50:25,404 INFO L225 Difference]: With dead ends: 290
[2020-04-18 14:50:25,404 INFO L226 Difference]: Without dead ends: 164
[2020-04-18 14:50:25,405 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-04-18 14:50:25,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states.
[2020-04-18 14:50:25,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164.
[2020-04-18 14:50:25,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states.
[2020-04-18 14:50:25,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 424 transitions.
[2020-04-18 14:50:25,423 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 424 transitions. Word has length 9
[2020-04-18 14:50:25,423 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 14:50:25,424 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 424 transitions.
[2020-04-18 14:50:25,424 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-04-18 14:50:25,424 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 424 transitions.
[2020-04-18 14:50:25,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2020-04-18 14:50:25,425 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 14:50:25,425 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 14:50:25,426 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 14:50:25,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 14:50:25,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1379691760, now seen corresponding path program 1 times
[2020-04-18 14:50:25,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR
[2020-04-18 14:50:25,427 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1766995330]
[2020-04-18 14:50:25,427 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 14:50:25,428 INFO L259 McrAutomatonBuilder]: Finished intersection with 36 states and 67 transitions.
[2020-04-18 14:50:25,429 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states.
[2020-04-18 14:50:25,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2020-04-18 14:50:25,430 INFO L105 Mcr]: ---- MCR iteration 0 ----
[2020-04-18 14:50:25,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 14:50:25,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1106664046, now seen corresponding path program 2 times
[2020-04-18 14:50:25,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 14:50:25,431 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959705099]
[2020-04-18 14:50:25,431 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 14:50:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 14:50:25,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-18 14:50:25,495 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959705099]
[2020-04-18 14:50:25,496 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 14:50:25,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-18 14:50:25,497 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 14:50:25,498 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 14:50:25,501 INFO L259 McrAutomatonBuilder]: Finished intersection with 27 states and 44 transitions.
[2020-04-18 14:50:25,502 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 14:50:25,511 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times.
[2020-04-18 14:50:25,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-18 14:50:25,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-04-18 14:50:25,512 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 4 states.
[2020-04-18 14:50:25,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 14:50:25,527 INFO L93 Difference]: Finished difference Result 41 states and 71 transitions.
[2020-04-18 14:50:25,527 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions.
[2020-04-18 14:50:25,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2020-04-18 14:50:25,528 INFO L105 Mcr]: ---- MCR iteration 1 ----
[2020-04-18 14:50:25,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 14:50:25,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1379691760, now seen corresponding path program 3 times
[2020-04-18 14:50:25,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 14:50:25,531 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304323857]
[2020-04-18 14:50:25,531 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 14:50:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 14:50:25,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-18 14:50:25,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304323857]
[2020-04-18 14:50:25,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 14:50:25,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-04-18 14:50:25,591 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 14:50:25,592 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 14:50:25,595 INFO L259 McrAutomatonBuilder]: Finished intersection with 21 states and 29 transitions.
[2020-04-18 14:50:25,595 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 14:50:25,687 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 4 times.
[2020-04-18 14:50:25,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-04-18 14:50:25,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72
[2020-04-18 14:50:25,688 INFO L87 Difference]: Start difference. First operand 41 states and 71 transitions. Second operand 6 states.
[2020-04-18 14:50:25,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 14:50:25,734 INFO L93 Difference]: Finished difference Result 44 states and 72 transitions.
[2020-04-18 14:50:25,734 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 72 transitions.
[2020-04-18 14:50:25,736 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 14:50:25,736 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1766995330]
[2020-04-18 14:50:25,736 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-04-18 14:50:25,736 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3
[2020-04-18 14:50:25,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1766995330]
[2020-04-18 14:50:25,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-04-18 14:50:25,738 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR
[2020-04-18 14:50:25,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-04-18 14:50:25,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90
[2020-04-18 14:50:25,738 INFO L87 Difference]: Start difference. First operand 164 states and 424 transitions. Second operand 8 states.
[2020-04-18 14:50:25,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 14:50:25,814 INFO L93 Difference]: Finished difference Result 244 states and 582 transitions.
[2020-04-18 14:50:25,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2020-04-18 14:50:25,816 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11
[2020-04-18 14:50:25,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 14:50:25,817 INFO L225 Difference]: With dead ends: 244
[2020-04-18 14:50:25,817 INFO L226 Difference]: Without dead ends: 128
[2020-04-18 14:50:25,818 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110
[2020-04-18 14:50:25,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states.
[2020-04-18 14:50:25,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 116.
[2020-04-18 14:50:25,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states.
[2020-04-18 14:50:25,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 268 transitions.
[2020-04-18 14:50:25,830 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 268 transitions. Word has length 11
[2020-04-18 14:50:25,830 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 14:50:25,830 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 268 transitions.
[2020-04-18 14:50:25,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-04-18 14:50:25,831 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 268 transitions.
[2020-04-18 14:50:25,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2020-04-18 14:50:25,831 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 14:50:25,832 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 14:50:25,832 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 14:50:25,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 14:50:25,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1517475135, now seen corresponding path program 1 times
[2020-04-18 14:50:25,833 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR
[2020-04-18 14:50:25,833 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1655198417]
[2020-04-18 14:50:25,835 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 14:50:25,835 INFO L259 McrAutomatonBuilder]: Finished intersection with 28 states and 47 transitions.
[2020-04-18 14:50:25,836 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states.
[2020-04-18 14:50:25,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2020-04-18 14:50:25,837 INFO L105 Mcr]: ---- MCR iteration 0 ----
[2020-04-18 14:50:25,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 14:50:25,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1111108671, now seen corresponding path program 2 times
[2020-04-18 14:50:25,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 14:50:25,839 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969665726]
[2020-04-18 14:50:25,840 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 14:50:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 14:50:25,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-18 14:50:25,918 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969665726]
[2020-04-18 14:50:25,918 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 14:50:25,918 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-18 14:50:25,918 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 14:50:25,919 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 14:50:25,922 INFO L259 McrAutomatonBuilder]: Finished intersection with 21 states and 30 transitions.
[2020-04-18 14:50:25,922 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 14:50:25,933 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times.
[2020-04-18 14:50:25,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-18 14:50:25,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-04-18 14:50:25,934 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 4 states.
[2020-04-18 14:50:25,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 14:50:25,949 INFO L93 Difference]: Finished difference Result 31 states and 49 transitions.
[2020-04-18 14:50:25,949 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions.
[2020-04-18 14:50:25,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2020-04-18 14:50:25,950 INFO L105 Mcr]: ---- MCR iteration 1 ----
[2020-04-18 14:50:25,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 14:50:25,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1517475135, now seen corresponding path program 3 times
[2020-04-18 14:50:25,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 14:50:25,952 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658736699]
[2020-04-18 14:50:25,952 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 14:50:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 14:50:26,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-18 14:50:26,026 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658736699]
[2020-04-18 14:50:26,026 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 14:50:26,027 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-18 14:50:26,027 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 14:50:26,029 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 14:50:26,031 INFO L259 McrAutomatonBuilder]: Finished intersection with 15 states and 17 transitions.
[2020-04-18 14:50:26,031 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 14:50:26,039 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times.
[2020-04-18 14:50:26,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-18 14:50:26,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-04-18 14:50:26,040 INFO L87 Difference]: Start difference. First operand 31 states and 49 transitions. Second operand 4 states.
[2020-04-18 14:50:26,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 14:50:26,054 INFO L93 Difference]: Finished difference Result 31 states and 49 transitions.
[2020-04-18 14:50:26,054 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions.
[2020-04-18 14:50:26,055 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 14:50:26,055 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1655198417]
[2020-04-18 14:50:26,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-04-18 14:50:26,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2
[2020-04-18 14:50:26,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1655198417]
[2020-04-18 14:50:26,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-04-18 14:50:26,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR
[2020-04-18 14:50:26,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-04-18 14:50:26,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-04-18 14:50:26,057 INFO L87 Difference]: Start difference. First operand 116 states and 268 transitions. Second operand 5 states.
[2020-04-18 14:50:26,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 14:50:26,105 INFO L93 Difference]: Finished difference Result 140 states and 310 transitions.
[2020-04-18 14:50:26,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-04-18 14:50:26,106 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11
[2020-04-18 14:50:26,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 14:50:26,107 INFO L225 Difference]: With dead ends: 140
[2020-04-18 14:50:26,107 INFO L226 Difference]: Without dead ends: 68
[2020-04-18 14:50:26,107 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2020-04-18 14:50:26,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states.
[2020-04-18 14:50:26,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68.
[2020-04-18 14:50:26,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states.
[2020-04-18 14:50:26,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 144 transitions.
[2020-04-18 14:50:26,123 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 144 transitions. Word has length 11
[2020-04-18 14:50:26,123 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 14:50:26,124 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 144 transitions.
[2020-04-18 14:50:26,124 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-04-18 14:50:26,124 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 144 transitions.
[2020-04-18 14:50:26,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2020-04-18 14:50:26,125 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 14:50:26,125 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 14:50:26,125 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 14:50:26,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 14:50:26,126 INFO L82 PathProgramCache]: Analyzing trace with hash -1246852910, now seen corresponding path program 1 times
[2020-04-18 14:50:26,126 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR
[2020-04-18 14:50:26,129 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1496245148]
[2020-04-18 14:50:26,130 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 14:50:26,132 INFO L259 McrAutomatonBuilder]: Finished intersection with 72 states and 169 transitions.
[2020-04-18 14:50:26,137 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states.
[2020-04-18 14:50:26,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2020-04-18 14:50:26,138 INFO L105 Mcr]: ---- MCR iteration 0 ----
[2020-04-18 14:50:26,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 14:50:26,139 INFO L82 PathProgramCache]: Analyzing trace with hash -1612262128, now seen corresponding path program 2 times
[2020-04-18 14:50:26,139 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 14:50:26,139 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427689123]
[2020-04-18 14:50:26,139 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 14:50:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 14:50:26,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-18 14:50:26,188 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427689123]
[2020-04-18 14:50:26,188 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 14:50:26,188 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-18 14:50:26,189 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 14:50:26,193 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 14:50:26,199 INFO L259 McrAutomatonBuilder]: Finished intersection with 40 states and 73 transitions.
[2020-04-18 14:50:26,199 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 14:50:26,208 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 1 times.
[2020-04-18 14:50:26,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-18 14:50:26,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-04-18 14:50:26,209 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 4 states.
[2020-04-18 14:50:26,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 14:50:26,236 INFO L93 Difference]: Finished difference Result 89 states and 193 transitions.
[2020-04-18 14:50:26,236 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 193 transitions.
[2020-04-18 14:50:26,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2020-04-18 14:50:26,236 INFO L105 Mcr]: ---- MCR iteration 1 ----
[2020-04-18 14:50:26,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 14:50:26,237 INFO L82 PathProgramCache]: Analyzing trace with hash -132602240, now seen corresponding path program 3 times
[2020-04-18 14:50:26,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 14:50:26,239 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911145113]
[2020-04-18 14:50:26,239 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 14:50:26,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 14:50:26,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-18 14:50:26,286 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911145113]
[2020-04-18 14:50:26,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 14:50:26,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-18 14:50:26,286 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 14:50:26,287 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 14:50:26,291 INFO L259 McrAutomatonBuilder]: Finished intersection with 29 states and 45 transitions.
[2020-04-18 14:50:26,291 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 14:50:26,302 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 1 times.
[2020-04-18 14:50:26,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-18 14:50:26,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-04-18 14:50:26,302 INFO L87 Difference]: Start difference. First operand 89 states and 193 transitions. Second operand 4 states.
[2020-04-18 14:50:26,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 14:50:26,326 INFO L93 Difference]: Finished difference Result 107 states and 220 transitions.
[2020-04-18 14:50:26,326 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 220 transitions.
[2020-04-18 14:50:26,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2020-04-18 14:50:26,327 INFO L105 Mcr]: ---- MCR iteration 2 ----
[2020-04-18 14:50:26,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 14:50:26,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1261556210, now seen corresponding path program 4 times
[2020-04-18 14:50:26,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 14:50:26,328 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736344412]
[2020-04-18 14:50:26,328 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 14:50:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 14:50:26,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-18 14:50:26,374 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736344412]
[2020-04-18 14:50:26,374 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 14:50:26,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-04-18 14:50:26,375 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 14:50:26,376 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 14:50:26,381 INFO L259 McrAutomatonBuilder]: Finished intersection with 27 states and 40 transitions.
[2020-04-18 14:50:26,381 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 14:50:26,466 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 4 times.
[2020-04-18 14:50:26,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-04-18 14:50:26,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110
[2020-04-18 14:50:26,467 INFO L87 Difference]: Start difference. First operand 107 states and 220 transitions. Second operand 6 states.
[2020-04-18 14:50:26,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 14:50:26,524 INFO L93 Difference]: Finished difference Result 136 states and 245 transitions.
[2020-04-18 14:50:26,524 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 245 transitions.
[2020-04-18 14:50:26,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2020-04-18 14:50:26,525 INFO L105 Mcr]: ---- MCR iteration 3 ----
[2020-04-18 14:50:26,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 14:50:26,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1246852910, now seen corresponding path program 5 times
[2020-04-18 14:50:26,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 14:50:26,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957452770]
[2020-04-18 14:50:26,526 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 14:50:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 14:50:26,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-18 14:50:26,558 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957452770]
[2020-04-18 14:50:26,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 14:50:26,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-18 14:50:26,560 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 14:50:26,561 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 14:50:26,563 INFO L259 McrAutomatonBuilder]: Finished intersection with 23 states and 31 transitions.
[2020-04-18 14:50:26,564 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 14:50:26,600 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times.
[2020-04-18 14:50:26,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-18 14:50:26,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182
[2020-04-18 14:50:26,601 INFO L87 Difference]: Start difference. First operand 136 states and 245 transitions. Second operand 4 states.
[2020-04-18 14:50:26,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 14:50:26,615 INFO L93 Difference]: Finished difference Result 136 states and 245 transitions.
[2020-04-18 14:50:26,615 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 245 transitions.
[2020-04-18 14:50:26,616 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 14:50:26,616 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1496245148]
[2020-04-18 14:50:26,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-04-18 14:50:26,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2
[2020-04-18 14:50:26,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1496245148]
[2020-04-18 14:50:26,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states
[2020-04-18 14:50:26,617 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR
[2020-04-18 14:50:26,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2020-04-18 14:50:26,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210
[2020-04-18 14:50:26,618 INFO L87 Difference]: Start difference. First operand 68 states and 144 transitions. Second operand 11 states.
[2020-04-18 14:50:26,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 14:50:26,723 INFO L93 Difference]: Finished difference Result 56 states and 112 transitions.
[2020-04-18 14:50:26,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2020-04-18 14:50:26,724 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 13
[2020-04-18 14:50:26,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 14:50:26,724 INFO L225 Difference]: With dead ends: 56
[2020-04-18 14:50:26,724 INFO L226 Difference]: Without dead ends: 0
[2020-04-18 14:50:26,725 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342
[2020-04-18 14:50:26,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-04-18 14:50:26,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-04-18 14:50:26,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-04-18 14:50:26,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-04-18 14:50:26,726 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13
[2020-04-18 14:50:26,726 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 14:50:26,726 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-04-18 14:50:26,726 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states.
[2020-04-18 14:50:26,726 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-04-18 14:50:26,726 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 14:50:26,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 02:50:26 BasicIcfg
[2020-04-18 14:50:26,731 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-04-18 14:50:26,733 INFO L168 Benchmark]: Toolchain (without parser) took 5386.84 ms. Allocated memory was 144.7 MB in the beginning and 247.5 MB in the end (delta: 102.8 MB). Free memory was 100.6 MB in the beginning and 119.4 MB in the end (delta: -18.9 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB.
[2020-04-18 14:50:26,738 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 144.7 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB.
[2020-04-18 14:50:26,740 INFO L168 Benchmark]: CACSL2BoogieTranslator took 850.49 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 98.6 MB in the beginning and 158.3 MB in the end (delta: -59.7 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB.
[2020-04-18 14:50:26,740 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.15 ms. Allocated memory is still 201.9 MB. Free memory was 158.3 MB in the beginning and 156.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
[2020-04-18 14:50:26,741 INFO L168 Benchmark]: Boogie Preprocessor took 28.38 ms. Allocated memory is still 201.9 MB. Free memory was 156.3 MB in the beginning and 154.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
[2020-04-18 14:50:26,747 INFO L168 Benchmark]: RCFGBuilder took 481.11 ms. Allocated memory is still 201.9 MB. Free memory was 154.3 MB in the beginning and 132.4 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB.
[2020-04-18 14:50:26,748 INFO L168 Benchmark]: TraceAbstraction took 3946.78 ms. Allocated memory was 201.9 MB in the beginning and 247.5 MB in the end (delta: 45.6 MB). Free memory was 132.4 MB in the beginning and 119.4 MB in the end (delta: 13.0 MB). Peak memory consumption was 58.6 MB. Max. memory is 7.1 GB.
[2020-04-18 14:50:26,751 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.26 ms. Allocated memory is still 144.7 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 850.49 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 98.6 MB in the beginning and 158.3 MB in the end (delta: -59.7 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB.
* Boogie Procedure Inliner took 51.15 ms. Allocated memory is still 201.9 MB. Free memory was 158.3 MB in the beginning and 156.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 28.38 ms. Allocated memory is still 201.9 MB. Free memory was 156.3 MB in the beginning and 154.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 481.11 ms. Allocated memory is still 201.9 MB. Free memory was 154.3 MB in the beginning and 132.4 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 3946.78 ms. Allocated memory was 201.9 MB in the beginning and 247.5 MB in the end (delta: 45.6 MB). Free memory was 132.4 MB in the beginning and 119.4 MB in the end (delta: 13.0 MB). Peak memory consumption was 58.6 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
LbeTime: 1.7s, 78 ProgramPointsBefore, 31 ProgramPointsAfterwards, 70 TransitionsBefore, 22 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 7 FixpointIterations, 14 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 653 VarBasedMoverChecksPositive, 26 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 2700 CheckedPairsTotal, 59 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, 69 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.8s, HoareTripleCheckerStatistics: 91 SDtfs, 134 SDslu, 214 SDs, 0 SdLazy, 97 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 142 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=298occurred 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, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...