/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_tso.opt.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-b981219
[2020-04-18 14:51:01,185 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-04-18 14:51:01,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-04-18 14:51:01,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-04-18 14:51:01,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-04-18 14:51:01,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-04-18 14:51:01,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-04-18 14:51:01,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-04-18 14:51:01,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-04-18 14:51:01,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-04-18 14:51:01,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-04-18 14:51:01,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-04-18 14:51:01,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-04-18 14:51:01,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-04-18 14:51:01,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-04-18 14:51:01,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-04-18 14:51:01,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-04-18 14:51:01,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-04-18 14:51:01,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-04-18 14:51:01,217 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-04-18 14:51:01,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-04-18 14:51:01,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-04-18 14:51:01,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-04-18 14:51:01,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-04-18 14:51:01,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-04-18 14:51:01,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-04-18 14:51:01,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-04-18 14:51:01,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-04-18 14:51:01,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-04-18 14:51:01,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-04-18 14:51:01,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-04-18 14:51:01,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-04-18 14:51:01,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2020-04-18 14:51:01,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-04-18 14:51:01,229 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-04-18 14:51:01,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-04-18 14:51:01,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-04-18 14:51:01,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-04-18 14:51:01,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-04-18 14:51:01,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-04-18 14:51:01,233 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 14:51:01,247 INFO L113 SettingsManager]: Loading preferences was successful
[2020-04-18 14:51:01,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-04-18 14:51:01,248 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-04-18 14:51:01,248 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-04-18 14:51:01,249 INFO L138 SettingsManager]: * Use SBE=true
[2020-04-18 14:51:01,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-04-18 14:51:01,249 INFO L138 SettingsManager]: * sizeof long=4
[2020-04-18 14:51:01,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-04-18 14:51:01,250 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-04-18 14:51:01,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-04-18 14:51:01,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-04-18 14:51:01,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-04-18 14:51:01,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-04-18 14:51:01,250 INFO L138 SettingsManager]: * sizeof long double=12
[2020-04-18 14:51:01,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-04-18 14:51:01,251 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-04-18 14:51:01,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-04-18 14:51:01,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-04-18 14:51:01,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-04-18 14:51:01,252 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-04-18 14:51:01,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-04-18 14:51:01,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-04-18 14:51:01,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-04-18 14:51:01,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-04-18 14:51:01,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-04-18 14:51:01,253 INFO L138 SettingsManager]: * Trace refinement strategy=MCR
[2020-04-18 14:51:01,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-04-18 14:51:01,253 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK
[2020-04-18 14:51:01,254 INFO L138 SettingsManager]: * Trace refinement strategy used in MCR=CAMEL
[2020-04-18 14:51:01,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-04-18 14:51:01,254 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2020-04-18 14:51:01,527 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-04-18 14:51:01,550 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-04-18 14:51:01,553 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-04-18 14:51:01,555 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-04-18 14:51:01,555 INFO L275 PluginConnector]: CDTParser initialized
[2020-04-18 14:51:01,557 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe000_tso.opt.i
[2020-04-18 14:51:01,627 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7eda05aff/7f1639391b4148efbd194ab95b6e6f17/FLAG61cd1d790
[2020-04-18 14:51:02,199 INFO L306 CDTParser]: Found 1 translation units.
[2020-04-18 14:51:02,200 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe000_tso.opt.i
[2020-04-18 14:51:02,213 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7eda05aff/7f1639391b4148efbd194ab95b6e6f17/FLAG61cd1d790
[2020-04-18 14:51:02,479 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7eda05aff/7f1639391b4148efbd194ab95b6e6f17
[2020-04-18 14:51:02,487 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-04-18 14:51:02,509 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2020-04-18 14:51:02,510 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-04-18 14:51:02,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-04-18 14:51:02,514 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-04-18 14:51:02,515 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 02:51:02" (1/1) ...
[2020-04-18 14:51:02,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af3acb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:51:02, skipping insertion in model container
[2020-04-18 14:51:02,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 02:51:02" (1/1) ...
[2020-04-18 14:51:02,525 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-04-18 14:51:02,581 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-04-18 14:51:03,009 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-04-18 14:51:03,025 INFO L203 MainTranslator]: Completed pre-run
[2020-04-18 14:51:03,094 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-04-18 14:51:03,169 INFO L208 MainTranslator]: Completed translation
[2020-04-18 14:51:03,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:51:03 WrapperNode
[2020-04-18 14:51:03,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-04-18 14:51:03,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-04-18 14:51:03,171 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-04-18 14:51:03,171 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2020-04-18 14:51:03,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:51:03" (1/1) ...
[2020-04-18 14:51:03,196 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:51:03" (1/1) ...
[2020-04-18 14:51:03,219 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-04-18 14:51:03,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-04-18 14:51:03,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-04-18 14:51:03,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-04-18 14:51:03,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:51:03" (1/1) ...
[2020-04-18 14:51:03,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:51:03" (1/1) ...
[2020-04-18 14:51:03,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:51:03" (1/1) ...
[2020-04-18 14:51:03,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:51:03" (1/1) ...
[2020-04-18 14:51:03,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:51:03" (1/1) ...
[2020-04-18 14:51:03,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:51:03" (1/1) ...
[2020-04-18 14:51:03,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:51:03" (1/1) ...
[2020-04-18 14:51:03,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-04-18 14:51:03,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-04-18 14:51:03,245 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-04-18 14:51:03,245 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-04-18 14:51:03,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:51:03" (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 14:51:03,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-04-18 14:51:03,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2020-04-18 14:51:03,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-04-18 14:51:03,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-04-18 14:51:03,318 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2020-04-18 14:51:03,318 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2020-04-18 14:51:03,318 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2020-04-18 14:51:03,318 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2020-04-18 14:51:03,319 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2020-04-18 14:51:03,319 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2020-04-18 14:51:03,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2020-04-18 14:51:03,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-04-18 14:51:03,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-04-18 14:51:03,321 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 14:51:03,699 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-04-18 14:51:03,699 INFO L295 CfgBuilder]: Removed 8 assume(true) statements.
[2020-04-18 14:51:03,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 02:51:03 BoogieIcfgContainer
[2020-04-18 14:51:03,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-04-18 14:51:03,705 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-04-18 14:51:03,706 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-04-18 14:51:03,709 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-04-18 14:51:03,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 02:51:02" (1/3) ...
[2020-04-18 14:51:03,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ed8fc19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 02:51:03, skipping insertion in model container
[2020-04-18 14:51:03,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:51:03" (2/3) ...
[2020-04-18 14:51:03,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ed8fc19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 02:51:03, skipping insertion in model container
[2020-04-18 14:51:03,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 02:51:03" (3/3) ...
[2020-04-18 14:51:03,712 INFO L109 eAbstractionObserver]: Analyzing ICFG safe000_tso.opt.i
[2020-04-18 14:51:03,723 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-04-18 14:51:03,723 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-04-18 14:51:03,731 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-04-18 14:51:03,732 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-04-18 14:51:03,759 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:51:03,759 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:51:03,760 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:51:03,760 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:51:03,761 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:51:03,761 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:51:03,761 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:51:03,762 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:51:03,762 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:51:03,762 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:51:03,763 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:51:03,763 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:51:03,763 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:51:03,764 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:51:03,764 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:51:03,764 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:51:03,764 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:51:03,765 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:51:03,769 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:51:03,769 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:51:03,770 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:51:03,770 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:51:03,776 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:51:03,776 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:51:03,777 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:51:03,777 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:51:03,779 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:51:03,779 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:51:03,780 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:51:03,780 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 14:51:03,800 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2020-04-18 14:51:03,821 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-04-18 14:51:03,821 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-04-18 14:51:03,821 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-04-18 14:51:03,822 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-04-18 14:51:03,822 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-04-18 14:51:03,822 INFO L380 AbstractCegarLoop]: Difference is false
[2020-04-18 14:51:03,822 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-04-18 14:51:03,822 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-04-18 14:51:03,838 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 70 transitions, 155 flow
[2020-04-18 14:51:03,839 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow
[2020-04-18 14:51:03,881 INFO L129 PetriNetUnfolder]: 2/67 cut-off events.
[2020-04-18 14:51:03,881 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2020-04-18 14:51:03,886 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 14:51:03,889 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow
[2020-04-18 14:51:03,912 INFO L129 PetriNetUnfolder]: 2/67 cut-off events.
[2020-04-18 14:51:03,912 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2020-04-18 14:51:03,913 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 14:51:03,915 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260
[2020-04-18 14:51:03,916 INFO L182 etLargeBlockEncoding]: Variable Check.
[2020-04-18 14:51:05,355 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49
[2020-04-18 14:51:05,535 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2700
[2020-04-18 14:51:05,536 INFO L214 etLargeBlockEncoding]: Total number of compositions: 59
[2020-04-18 14:51:05,540 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 22 transitions, 59 flow
[2020-04-18 14:51:05,578 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 298 states.
[2020-04-18 14:51:05,580 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states.
[2020-04-18 14:51:05,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2020-04-18 14:51:05,590 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 14:51:05,591 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 14:51:05,591 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 14:51:05,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 14:51:05,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1011733384, now seen corresponding path program 1 times
[2020-04-18 14:51:05,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR
[2020-04-18 14:51:05,605 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [558192796]
[2020-04-18 14:51:05,621 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 14:51:05,633 INFO L259 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions.
[2020-04-18 14:51:05,635 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states.
[2020-04-18 14:51:05,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2020-04-18 14:51:05,635 INFO L105 Mcr]: ---- MCR iteration 0 ----
[2020-04-18 14:51:05,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 14:51:05,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1011733384, now seen corresponding path program 2 times
[2020-04-18 14:51:05,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 14:51:05,640 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914435151]
[2020-04-18 14:51:05,641 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 14:51:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 14:51:05,867 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 14:51:05,868 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914435151]
[2020-04-18 14:51:05,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 14:51:05,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2020-04-18 14:51:05,870 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 14:51:05,871 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 14:51:05,874 INFO L259 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions.
[2020-04-18 14:51:05,875 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 14:51:05,883 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times.
[2020-04-18 14:51:05,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-04-18 14:51:05,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-04-18 14:51:05,892 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states.
[2020-04-18 14:51:05,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 14:51:05,897 INFO L93 Difference]: Finished difference Result 9 states and 8 transitions.
[2020-04-18 14:51:05,898 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions.
[2020-04-18 14:51:05,898 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 14:51:05,899 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [558192796]
[2020-04-18 14:51:05,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-04-18 14:51:05,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [1] total 1
[2020-04-18 14:51:05,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [558192796]
[2020-04-18 14:51:05,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-04-18 14:51:05,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR
[2020-04-18 14:51:05,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-04-18 14:51:05,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-04-18 14:51:05,908 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 3 states.
[2020-04-18 14:51:05,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 14:51:05,952 INFO L93 Difference]: Finished difference Result 282 states and 808 transitions.
[2020-04-18 14:51:05,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-04-18 14:51:05,954 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8
[2020-04-18 14:51:05,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 14:51:05,989 INFO L225 Difference]: With dead ends: 282
[2020-04-18 14:51:05,994 INFO L226 Difference]: Without dead ends: 218
[2020-04-18 14:51:05,996 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 14:51:06,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states.
[2020-04-18 14:51:06,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218.
[2020-04-18 14:51:06,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states.
[2020-04-18 14:51:06,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 600 transitions.
[2020-04-18 14:51:06,098 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 600 transitions. Word has length 8
[2020-04-18 14:51:06,099 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 14:51:06,099 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 600 transitions.
[2020-04-18 14:51:06,100 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-04-18 14:51:06,100 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 600 transitions.
[2020-04-18 14:51:06,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2020-04-18 14:51:06,102 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 14:51:06,102 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 14:51:06,103 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 14:51:06,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 14:51:06,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1035713695, now seen corresponding path program 1 times
[2020-04-18 14:51:06,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR
[2020-04-18 14:51:06,104 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [2088597973]
[2020-04-18 14:51:06,104 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 14:51:06,105 INFO L259 McrAutomatonBuilder]: Finished intersection with 16 states and 21 transitions.
[2020-04-18 14:51:06,106 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states.
[2020-04-18 14:51:06,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2020-04-18 14:51:06,106 INFO L105 Mcr]: ---- MCR iteration 0 ----
[2020-04-18 14:51:06,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 14:51:06,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1035713695, now seen corresponding path program 2 times
[2020-04-18 14:51:06,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 14:51:06,108 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082890167]
[2020-04-18 14:51:06,108 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 14:51:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 14:51:06,213 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 14:51:06,213 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082890167]
[2020-04-18 14:51:06,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 14:51:06,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-18 14:51:06,214 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 14:51:06,215 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 14:51:06,217 INFO L259 McrAutomatonBuilder]: Finished intersection with 15 states and 19 transitions.
[2020-04-18 14:51:06,217 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 14:51:06,226 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times.
[2020-04-18 14:51:06,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-18 14:51:06,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-04-18 14:51:06,227 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 4 states.
[2020-04-18 14:51:06,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 14:51:06,239 INFO L93 Difference]: Finished difference Result 16 states and 21 transitions.
[2020-04-18 14:51:06,239 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions.
[2020-04-18 14:51:06,240 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 14:51:06,240 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [2088597973]
[2020-04-18 14:51:06,240 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-04-18 14:51:06,240 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2
[2020-04-18 14:51:06,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [2088597973]
[2020-04-18 14:51:06,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-04-18 14:51:06,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR
[2020-04-18 14:51:06,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-18 14:51:06,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-04-18 14:51:06,242 INFO L87 Difference]: Start difference. First operand 218 states and 600 transitions. Second operand 4 states.
[2020-04-18 14:51:06,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 14:51:06,263 INFO L93 Difference]: Finished difference Result 290 states and 762 transitions.
[2020-04-18 14:51:06,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2020-04-18 14:51:06,263 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9
[2020-04-18 14:51:06,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 14:51:06,265 INFO L225 Difference]: With dead ends: 290
[2020-04-18 14:51:06,266 INFO L226 Difference]: Without dead ends: 164
[2020-04-18 14:51:06,267 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 14:51:06,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states.
[2020-04-18 14:51:06,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164.
[2020-04-18 14:51:06,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states.
[2020-04-18 14:51:06,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 424 transitions.
[2020-04-18 14:51:06,278 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 424 transitions. Word has length 9
[2020-04-18 14:51:06,279 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 14:51:06,279 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 424 transitions.
[2020-04-18 14:51:06,279 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-04-18 14:51:06,279 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 424 transitions.
[2020-04-18 14:51:06,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2020-04-18 14:51:06,280 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 14:51:06,280 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 14:51:06,281 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 14:51:06,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 14:51:06,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1379691760, now seen corresponding path program 1 times
[2020-04-18 14:51:06,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR
[2020-04-18 14:51:06,282 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [2110467923]
[2020-04-18 14:51:06,282 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 14:51:06,283 INFO L259 McrAutomatonBuilder]: Finished intersection with 36 states and 67 transitions.
[2020-04-18 14:51:06,283 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states.
[2020-04-18 14:51:06,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2020-04-18 14:51:06,285 INFO L105 Mcr]: ---- MCR iteration 0 ----
[2020-04-18 14:51:06,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 14:51:06,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1106664046, now seen corresponding path program 2 times
[2020-04-18 14:51:06,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 14:51:06,286 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590405241]
[2020-04-18 14:51:06,286 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 14:51:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 14:51:06,335 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 14:51:06,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590405241]
[2020-04-18 14:51:06,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 14:51:06,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-18 14:51:06,336 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 14:51:06,337 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 14:51:06,340 INFO L259 McrAutomatonBuilder]: Finished intersection with 27 states and 44 transitions.
[2020-04-18 14:51:06,340 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 14:51:06,348 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times.
[2020-04-18 14:51:06,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-18 14:51:06,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-04-18 14:51:06,349 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 4 states.
[2020-04-18 14:51:06,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 14:51:06,362 INFO L93 Difference]: Finished difference Result 41 states and 71 transitions.
[2020-04-18 14:51:06,362 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions.
[2020-04-18 14:51:06,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2020-04-18 14:51:06,363 INFO L105 Mcr]: ---- MCR iteration 1 ----
[2020-04-18 14:51:06,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 14:51:06,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1379691760, now seen corresponding path program 3 times
[2020-04-18 14:51:06,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 14:51:06,364 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240567796]
[2020-04-18 14:51:06,365 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 14:51:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 14:51:06,412 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 14:51:06,413 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240567796]
[2020-04-18 14:51:06,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 14:51:06,415 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-04-18 14:51:06,415 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 14:51:06,416 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 14:51:06,419 INFO L259 McrAutomatonBuilder]: Finished intersection with 21 states and 29 transitions.
[2020-04-18 14:51:06,419 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 14:51:06,503 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 4 times.
[2020-04-18 14:51:06,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-04-18 14:51:06,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72
[2020-04-18 14:51:06,504 INFO L87 Difference]: Start difference. First operand 41 states and 71 transitions. Second operand 6 states.
[2020-04-18 14:51:06,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 14:51:06,549 INFO L93 Difference]: Finished difference Result 44 states and 72 transitions.
[2020-04-18 14:51:06,549 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 72 transitions.
[2020-04-18 14:51:06,549 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 14:51:06,550 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [2110467923]
[2020-04-18 14:51:06,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-04-18 14:51:06,552 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3
[2020-04-18 14:51:06,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [2110467923]
[2020-04-18 14:51:06,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-04-18 14:51:06,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR
[2020-04-18 14:51:06,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-04-18 14:51:06,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90
[2020-04-18 14:51:06,554 INFO L87 Difference]: Start difference. First operand 164 states and 424 transitions. Second operand 8 states.
[2020-04-18 14:51:06,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 14:51:06,638 INFO L93 Difference]: Finished difference Result 244 states and 582 transitions.
[2020-04-18 14:51:06,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2020-04-18 14:51:06,639 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11
[2020-04-18 14:51:06,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 14:51:06,640 INFO L225 Difference]: With dead ends: 244
[2020-04-18 14:51:06,640 INFO L226 Difference]: Without dead ends: 128
[2020-04-18 14:51:06,641 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 14:51:06,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states.
[2020-04-18 14:51:06,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 116.
[2020-04-18 14:51:06,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states.
[2020-04-18 14:51:06,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 268 transitions.
[2020-04-18 14:51:06,648 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 268 transitions. Word has length 11
[2020-04-18 14:51:06,648 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 14:51:06,649 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 268 transitions.
[2020-04-18 14:51:06,649 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-04-18 14:51:06,649 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 268 transitions.
[2020-04-18 14:51:06,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2020-04-18 14:51:06,650 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 14:51:06,650 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 14:51:06,650 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 14:51:06,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 14:51:06,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1517475135, now seen corresponding path program 1 times
[2020-04-18 14:51:06,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR
[2020-04-18 14:51:06,651 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1659000135]
[2020-04-18 14:51:06,651 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 14:51:06,652 INFO L259 McrAutomatonBuilder]: Finished intersection with 28 states and 47 transitions.
[2020-04-18 14:51:06,652 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states.
[2020-04-18 14:51:06,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2020-04-18 14:51:06,653 INFO L105 Mcr]: ---- MCR iteration 0 ----
[2020-04-18 14:51:06,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 14:51:06,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1111108671, now seen corresponding path program 2 times
[2020-04-18 14:51:06,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 14:51:06,654 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938284255]
[2020-04-18 14:51:06,654 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 14:51:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 14:51:06,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-18 14:51:06,701 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938284255]
[2020-04-18 14:51:06,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 14:51:06,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-18 14:51:06,703 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 14:51:06,704 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 14:51:06,710 INFO L259 McrAutomatonBuilder]: Finished intersection with 21 states and 30 transitions.
[2020-04-18 14:51:06,711 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 14:51:06,717 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times.
[2020-04-18 14:51:06,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-18 14:51:06,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-04-18 14:51:06,718 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 4 states.
[2020-04-18 14:51:06,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 14:51:06,741 INFO L93 Difference]: Finished difference Result 31 states and 49 transitions.
[2020-04-18 14:51:06,741 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions.
[2020-04-18 14:51:06,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2020-04-18 14:51:06,742 INFO L105 Mcr]: ---- MCR iteration 1 ----
[2020-04-18 14:51:06,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 14:51:06,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1517475135, now seen corresponding path program 3 times
[2020-04-18 14:51:06,742 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 14:51:06,742 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891503233]
[2020-04-18 14:51:06,743 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 14:51:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 14:51:06,828 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 14:51:06,828 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891503233]
[2020-04-18 14:51:06,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 14:51:06,829 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-18 14:51:06,830 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 14:51:06,831 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 14:51:06,833 INFO L259 McrAutomatonBuilder]: Finished intersection with 15 states and 17 transitions.
[2020-04-18 14:51:06,833 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 14:51:06,841 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times.
[2020-04-18 14:51:06,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-18 14:51:06,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-04-18 14:51:06,842 INFO L87 Difference]: Start difference. First operand 31 states and 49 transitions. Second operand 4 states.
[2020-04-18 14:51:06,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 14:51:06,855 INFO L93 Difference]: Finished difference Result 31 states and 49 transitions.
[2020-04-18 14:51:06,855 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions.
[2020-04-18 14:51:06,855 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 14:51:06,856 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1659000135]
[2020-04-18 14:51:06,856 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-04-18 14:51:06,856 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2
[2020-04-18 14:51:06,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1659000135]
[2020-04-18 14:51:06,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-04-18 14:51:06,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR
[2020-04-18 14:51:06,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-04-18 14:51:06,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-04-18 14:51:06,858 INFO L87 Difference]: Start difference. First operand 116 states and 268 transitions. Second operand 5 states.
[2020-04-18 14:51:06,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 14:51:06,898 INFO L93 Difference]: Finished difference Result 140 states and 310 transitions.
[2020-04-18 14:51:06,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-04-18 14:51:06,899 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11
[2020-04-18 14:51:06,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 14:51:06,900 INFO L225 Difference]: With dead ends: 140
[2020-04-18 14:51:06,900 INFO L226 Difference]: Without dead ends: 68
[2020-04-18 14:51:06,900 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 14:51:06,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states.
[2020-04-18 14:51:06,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68.
[2020-04-18 14:51:06,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states.
[2020-04-18 14:51:06,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 144 transitions.
[2020-04-18 14:51:06,912 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 144 transitions. Word has length 11
[2020-04-18 14:51:06,912 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 14:51:06,912 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 144 transitions.
[2020-04-18 14:51:06,913 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-04-18 14:51:06,913 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 144 transitions.
[2020-04-18 14:51:06,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2020-04-18 14:51:06,915 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 14:51:06,916 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 14:51:06,916 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 14:51:06,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 14:51:06,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1246852910, now seen corresponding path program 1 times
[2020-04-18 14:51:06,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR
[2020-04-18 14:51:06,917 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [745342091]
[2020-04-18 14:51:06,917 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 14:51:06,919 INFO L259 McrAutomatonBuilder]: Finished intersection with 72 states and 169 transitions.
[2020-04-18 14:51:06,919 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states.
[2020-04-18 14:51:06,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2020-04-18 14:51:06,922 INFO L105 Mcr]: ---- MCR iteration 0 ----
[2020-04-18 14:51:06,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 14:51:06,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1612262128, now seen corresponding path program 2 times
[2020-04-18 14:51:06,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 14:51:06,923 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280013529]
[2020-04-18 14:51:06,923 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 14:51:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 14:51:06,984 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 14:51:06,984 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280013529]
[2020-04-18 14:51:06,985 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 14:51:06,985 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-18 14:51:06,987 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 14:51:06,988 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 14:51:06,993 INFO L259 McrAutomatonBuilder]: Finished intersection with 40 states and 73 transitions.
[2020-04-18 14:51:06,994 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 14:51:07,004 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 1 times.
[2020-04-18 14:51:07,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-18 14:51:07,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-04-18 14:51:07,006 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 4 states.
[2020-04-18 14:51:07,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 14:51:07,029 INFO L93 Difference]: Finished difference Result 89 states and 193 transitions.
[2020-04-18 14:51:07,029 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 193 transitions.
[2020-04-18 14:51:07,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2020-04-18 14:51:07,030 INFO L105 Mcr]: ---- MCR iteration 1 ----
[2020-04-18 14:51:07,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 14:51:07,031 INFO L82 PathProgramCache]: Analyzing trace with hash -132602240, now seen corresponding path program 3 times
[2020-04-18 14:51:07,031 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 14:51:07,031 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651106864]
[2020-04-18 14:51:07,031 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 14:51:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 14:51:07,073 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 14:51:07,074 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651106864]
[2020-04-18 14:51:07,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 14:51:07,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-18 14:51:07,075 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 14:51:07,077 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 14:51:07,083 INFO L259 McrAutomatonBuilder]: Finished intersection with 29 states and 45 transitions.
[2020-04-18 14:51:07,083 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 14:51:07,092 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 1 times.
[2020-04-18 14:51:07,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-18 14:51:07,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-04-18 14:51:07,093 INFO L87 Difference]: Start difference. First operand 89 states and 193 transitions. Second operand 4 states.
[2020-04-18 14:51:07,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 14:51:07,113 INFO L93 Difference]: Finished difference Result 107 states and 220 transitions.
[2020-04-18 14:51:07,114 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 220 transitions.
[2020-04-18 14:51:07,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2020-04-18 14:51:07,114 INFO L105 Mcr]: ---- MCR iteration 2 ----
[2020-04-18 14:51:07,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 14:51:07,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1261556210, now seen corresponding path program 4 times
[2020-04-18 14:51:07,115 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 14:51:07,115 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599589169]
[2020-04-18 14:51:07,115 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 14:51:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 14:51:07,159 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 14:51:07,160 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599589169]
[2020-04-18 14:51:07,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 14:51:07,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-04-18 14:51:07,160 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 14:51:07,163 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 14:51:07,167 INFO L259 McrAutomatonBuilder]: Finished intersection with 27 states and 40 transitions.
[2020-04-18 14:51:07,167 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 14:51:07,238 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 4 times.
[2020-04-18 14:51:07,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-04-18 14:51:07,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110
[2020-04-18 14:51:07,239 INFO L87 Difference]: Start difference. First operand 107 states and 220 transitions. Second operand 6 states.
[2020-04-18 14:51:07,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 14:51:07,284 INFO L93 Difference]: Finished difference Result 136 states and 245 transitions.
[2020-04-18 14:51:07,284 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 245 transitions.
[2020-04-18 14:51:07,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2020-04-18 14:51:07,285 INFO L105 Mcr]: ---- MCR iteration 3 ----
[2020-04-18 14:51:07,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 14:51:07,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1246852910, now seen corresponding path program 5 times
[2020-04-18 14:51:07,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 14:51:07,286 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603310132]
[2020-04-18 14:51:07,286 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 14:51:07,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 14:51:07,337 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 14:51:07,337 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603310132]
[2020-04-18 14:51:07,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 14:51:07,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-18 14:51:07,338 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 14:51:07,339 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 14:51:07,342 INFO L259 McrAutomatonBuilder]: Finished intersection with 23 states and 31 transitions.
[2020-04-18 14:51:07,342 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 14:51:07,369 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times.
[2020-04-18 14:51:07,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-18 14:51:07,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182
[2020-04-18 14:51:07,370 INFO L87 Difference]: Start difference. First operand 136 states and 245 transitions. Second operand 4 states.
[2020-04-18 14:51:07,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 14:51:07,383 INFO L93 Difference]: Finished difference Result 136 states and 245 transitions.
[2020-04-18 14:51:07,383 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 245 transitions.
[2020-04-18 14:51:07,383 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 14:51:07,384 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [745342091]
[2020-04-18 14:51:07,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-04-18 14:51:07,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2
[2020-04-18 14:51:07,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [745342091]
[2020-04-18 14:51:07,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states
[2020-04-18 14:51:07,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR
[2020-04-18 14:51:07,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2020-04-18 14:51:07,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210
[2020-04-18 14:51:07,386 INFO L87 Difference]: Start difference. First operand 68 states and 144 transitions. Second operand 11 states.
[2020-04-18 14:51:07,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 14:51:07,541 INFO L93 Difference]: Finished difference Result 56 states and 112 transitions.
[2020-04-18 14:51:07,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2020-04-18 14:51:07,543 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 13
[2020-04-18 14:51:07,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 14:51:07,543 INFO L225 Difference]: With dead ends: 56
[2020-04-18 14:51:07,543 INFO L226 Difference]: Without dead ends: 0
[2020-04-18 14:51:07,544 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 14:51:07,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-04-18 14:51:07,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-04-18 14:51:07,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-04-18 14:51:07,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-04-18 14:51:07,545 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13
[2020-04-18 14:51:07,545 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 14:51:07,545 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-04-18 14:51:07,545 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states.
[2020-04-18 14:51:07,545 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-04-18 14:51:07,545 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 14:51:07,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 02:51:07 BasicIcfg
[2020-04-18 14:51:07,550 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-04-18 14:51:07,551 INFO L168 Benchmark]: Toolchain (without parser) took 5063.13 ms. Allocated memory was 137.9 MB in the beginning and 249.6 MB in the end (delta: 111.7 MB). Free memory was 100.5 MB in the beginning and 122.1 MB in the end (delta: -21.6 MB). Peak memory consumption was 90.1 MB. Max. memory is 7.1 GB.
[2020-04-18 14:51:07,552 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-04-18 14:51:07,553 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.87 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 98.5 MB in the beginning and 158.2 MB in the end (delta: -59.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB.
[2020-04-18 14:51:07,554 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.11 ms. Allocated memory is still 201.9 MB. Free memory was 158.2 MB in the beginning and 156.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
[2020-04-18 14:51:07,554 INFO L168 Benchmark]: Boogie Preprocessor took 25.09 ms. Allocated memory is still 201.9 MB. Free memory was 156.2 MB in the beginning and 154.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB.
[2020-04-18 14:51:07,555 INFO L168 Benchmark]: RCFGBuilder took 459.02 ms. Allocated memory is still 201.9 MB. Free memory was 154.8 MB in the beginning and 132.5 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB.
[2020-04-18 14:51:07,556 INFO L168 Benchmark]: TraceAbstraction took 3844.41 ms. Allocated memory was 201.9 MB in the beginning and 249.6 MB in the end (delta: 47.7 MB). Free memory was 131.9 MB in the beginning and 122.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 57.5 MB. Max. memory is 7.1 GB.
[2020-04-18 14:51:07,560 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 659.87 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 98.5 MB in the beginning and 158.2 MB in the end (delta: -59.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB.
* Boogie Procedure Inliner took 49.11 ms. Allocated memory is still 201.9 MB. Free memory was 158.2 MB in the beginning and 156.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 25.09 ms. Allocated memory is still 201.9 MB. Free memory was 156.2 MB in the beginning and 154.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 459.02 ms. Allocated memory is still 201.9 MB. Free memory was 154.8 MB in the beginning and 132.5 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 3844.41 ms. Allocated memory was 201.9 MB in the beginning and 249.6 MB in the end (delta: 47.7 MB). Free memory was 131.9 MB in the beginning and 122.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 57.5 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
LbeTime: 1.6s, 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: 3.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.7s, 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: 0.1s 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...