/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/thin000_pso.oepc.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-b981219
[2020-04-18 15:45:21,213 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-04-18 15:45:21,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-04-18 15:45:21,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-04-18 15:45:21,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-04-18 15:45:21,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-04-18 15:45:21,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-04-18 15:45:21,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-04-18 15:45:21,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-04-18 15:45:21,252 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-04-18 15:45:21,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-04-18 15:45:21,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-04-18 15:45:21,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-04-18 15:45:21,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-04-18 15:45:21,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-04-18 15:45:21,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-04-18 15:45:21,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-04-18 15:45:21,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-04-18 15:45:21,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-04-18 15:45:21,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-04-18 15:45:21,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-04-18 15:45:21,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-04-18 15:45:21,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-04-18 15:45:21,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-04-18 15:45:21,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-04-18 15:45:21,286 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-04-18 15:45:21,287 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-04-18 15:45:21,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-04-18 15:45:21,289 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-04-18 15:45:21,290 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-04-18 15:45:21,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-04-18 15:45:21,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-04-18 15:45:21,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-04-18 15:45:21,292 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-04-18 15:45:21,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-04-18 15:45:21,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-04-18 15:45:21,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-04-18 15:45:21,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-04-18 15:45:21,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-04-18 15:45:21,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-04-18 15:45:21,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-04-18 15:45:21,297 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 15:45:21,312 INFO L113 SettingsManager]: Loading preferences was successful
[2020-04-18 15:45:21,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-04-18 15:45:21,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-04-18 15:45:21,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-04-18 15:45:21,317 INFO L138 SettingsManager]: * Use SBE=true
[2020-04-18 15:45:21,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-04-18 15:45:21,317 INFO L138 SettingsManager]: * sizeof long=4
[2020-04-18 15:45:21,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-04-18 15:45:21,318 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-04-18 15:45:21,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-04-18 15:45:21,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-04-18 15:45:21,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-04-18 15:45:21,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-04-18 15:45:21,319 INFO L138 SettingsManager]: * sizeof long double=12
[2020-04-18 15:45:21,319 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-04-18 15:45:21,319 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-04-18 15:45:21,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-04-18 15:45:21,320 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-04-18 15:45:21,320 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-04-18 15:45:21,320 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-04-18 15:45:21,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-04-18 15:45:21,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-04-18 15:45:21,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-04-18 15:45:21,321 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-04-18 15:45:21,321 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-04-18 15:45:21,321 INFO L138 SettingsManager]: * Trace refinement strategy=MCR
[2020-04-18 15:45:21,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-04-18 15:45:21,321 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK
[2020-04-18 15:45:21,322 INFO L138 SettingsManager]: * Trace refinement strategy used in MCR=CAMEL
[2020-04-18 15:45:21,322 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-04-18 15:45:21,322 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2020-04-18 15:45:21,608 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-04-18 15:45:21,621 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-04-18 15:45:21,625 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-04-18 15:45:21,626 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-04-18 15:45:21,626 INFO L275 PluginConnector]: CDTParser initialized
[2020-04-18 15:45:21,627 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin000_pso.oepc.i
[2020-04-18 15:45:21,691 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ef2fbcc9/89316c286b764e76bafbfdc8ebb9b707/FLAG7bd89b2e5
[2020-04-18 15:45:22,238 INFO L306 CDTParser]: Found 1 translation units.
[2020-04-18 15:45:22,239 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin000_pso.oepc.i
[2020-04-18 15:45:22,264 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ef2fbcc9/89316c286b764e76bafbfdc8ebb9b707/FLAG7bd89b2e5
[2020-04-18 15:45:22,542 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ef2fbcc9/89316c286b764e76bafbfdc8ebb9b707
[2020-04-18 15:45:22,553 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-04-18 15:45:22,575 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2020-04-18 15:45:22,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-04-18 15:45:22,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-04-18 15:45:22,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-04-18 15:45:22,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 03:45:22" (1/1) ...
[2020-04-18 15:45:22,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ac59883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:45:22, skipping insertion in model container
[2020-04-18 15:45:22,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 03:45:22" (1/1) ...
[2020-04-18 15:45:22,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-04-18 15:45:22,656 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-04-18 15:45:23,114 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-04-18 15:45:23,129 INFO L203 MainTranslator]: Completed pre-run
[2020-04-18 15:45:23,202 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-04-18 15:45:23,288 INFO L208 MainTranslator]: Completed translation
[2020-04-18 15:45:23,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:45:23 WrapperNode
[2020-04-18 15:45:23,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-04-18 15:45:23,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-04-18 15:45:23,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-04-18 15:45:23,290 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2020-04-18 15:45:23,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:45:23" (1/1) ...
[2020-04-18 15:45:23,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:45:23" (1/1) ...
[2020-04-18 15:45:23,337 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-04-18 15:45:23,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-04-18 15:45:23,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-04-18 15:45:23,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-04-18 15:45:23,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:45:23" (1/1) ...
[2020-04-18 15:45:23,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:45:23" (1/1) ...
[2020-04-18 15:45:23,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:45:23" (1/1) ...
[2020-04-18 15:45:23,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:45:23" (1/1) ...
[2020-04-18 15:45:23,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:45:23" (1/1) ...
[2020-04-18 15:45:23,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:45:23" (1/1) ...
[2020-04-18 15:45:23,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:45:23" (1/1) ...
[2020-04-18 15:45:23,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-04-18 15:45:23,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-04-18 15:45:23,364 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-04-18 15:45:23,365 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-04-18 15:45:23,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:45:23" (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 15:45:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-04-18 15:45:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2020-04-18 15:45:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-04-18 15:45:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-04-18 15:45:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2020-04-18 15:45:23,436 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2020-04-18 15:45:23,437 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2020-04-18 15:45:23,437 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2020-04-18 15:45:23,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2020-04-18 15:45:23,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-04-18 15:45:23,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-04-18 15:45:23,439 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 15:45:23,796 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-04-18 15:45:23,797 INFO L295 CfgBuilder]: Removed 8 assume(true) statements.
[2020-04-18 15:45:23,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 03:45:23 BoogieIcfgContainer
[2020-04-18 15:45:23,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-04-18 15:45:23,804 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-04-18 15:45:23,805 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-04-18 15:45:23,807 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-04-18 15:45:23,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 03:45:22" (1/3) ...
[2020-04-18 15:45:23,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7677c537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 03:45:23, skipping insertion in model container
[2020-04-18 15:45:23,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:45:23" (2/3) ...
[2020-04-18 15:45:23,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7677c537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 03:45:23, skipping insertion in model container
[2020-04-18 15:45:23,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 03:45:23" (3/3) ...
[2020-04-18 15:45:23,811 INFO L109 eAbstractionObserver]: Analyzing ICFG thin000_pso.oepc.i
[2020-04-18 15:45:23,819 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-04-18 15:45:23,819 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-04-18 15:45:23,826 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-04-18 15:45:23,827 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-04-18 15:45:23,850 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 15:45:23,850 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 15:45:23,850 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 15:45:23,853 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 15:45:23,854 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 15:45:23,854 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 15:45:23,855 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 15:45:23,855 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 15:45:23,856 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 15:45:23,856 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 15:45:23,857 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 15:45:23,857 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 15:45:23,862 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 15:45:23,863 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 15:45:23,865 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 15:45:23,865 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 15:45:23,872 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 15:45:23,873 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 15:45:23,873 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 15:45:23,873 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 15:45:23,888 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2020-04-18 15:45:23,905 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-04-18 15:45:23,905 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-04-18 15:45:23,905 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-04-18 15:45:23,906 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-04-18 15:45:23,906 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-04-18 15:45:23,906 INFO L380 AbstractCegarLoop]: Difference is false
[2020-04-18 15:45:23,906 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-04-18 15:45:23,906 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-04-18 15:45:23,924 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 56 transitions, 122 flow
[2020-04-18 15:45:23,926 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 61 places, 56 transitions, 122 flow
[2020-04-18 15:45:23,967 INFO L129 PetriNetUnfolder]: 2/54 cut-off events.
[2020-04-18 15:45:23,967 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2020-04-18 15:45:23,972 INFO L80 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 54 events. 2/54 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 32 event pairs, 0 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 41. Up to 2 conditions per place.
[2020-04-18 15:45:23,974 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 61 places, 56 transitions, 122 flow
[2020-04-18 15:45:23,993 INFO L129 PetriNetUnfolder]: 2/54 cut-off events.
[2020-04-18 15:45:23,994 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2020-04-18 15:45:23,995 INFO L80 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 54 events. 2/54 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 32 event pairs, 0 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 41. Up to 2 conditions per place.
[2020-04-18 15:45:23,997 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 672
[2020-04-18 15:45:23,998 INFO L182 etLargeBlockEncoding]: Variable Check.
[2020-04-18 15:45:25,334 INFO L206 etLargeBlockEncoding]: Checked pairs total: 1165
[2020-04-18 15:45:25,335 INFO L214 etLargeBlockEncoding]: Total number of compositions: 48
[2020-04-18 15:45:25,339 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 22 places, 15 transitions, 40 flow
[2020-04-18 15:45:25,356 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 74 states.
[2020-04-18 15:45:25,359 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states.
[2020-04-18 15:45:25,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2020-04-18 15:45:25,368 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 15:45:25,369 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2020-04-18 15:45:25,369 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 15:45:25,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 15:45:25,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1988358065, now seen corresponding path program 1 times
[2020-04-18 15:45:25,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR
[2020-04-18 15:45:25,385 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1119263406]
[2020-04-18 15:45:25,399 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 15:45:25,408 INFO L259 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions.
[2020-04-18 15:45:25,410 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states.
[2020-04-18 15:45:25,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2020-04-18 15:45:25,410 INFO L105 Mcr]: ---- MCR iteration 0 ----
[2020-04-18 15:45:25,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 15:45:25,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1988358065, now seen corresponding path program 2 times
[2020-04-18 15:45:25,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 15:45:25,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955891371]
[2020-04-18 15:45:25,416 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 15:45:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 15:45:25,625 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 15:45:25,625 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955891371]
[2020-04-18 15:45:25,626 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 15:45:25,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2020-04-18 15:45:25,628 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 15:45:25,629 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 15:45:25,631 INFO L259 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions.
[2020-04-18 15:45:25,631 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 15:45:25,644 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times.
[2020-04-18 15:45:25,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-04-18 15:45:25,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-04-18 15:45:25,651 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 3 states.
[2020-04-18 15:45:25,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 15:45:25,669 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions.
[2020-04-18 15:45:25,669 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions.
[2020-04-18 15:45:25,670 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 15:45:25,671 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1119263406]
[2020-04-18 15:45:25,672 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-04-18 15:45:25,672 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [1] total 1
[2020-04-18 15:45:25,672 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1119263406]
[2020-04-18 15:45:25,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-04-18 15:45:25,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR
[2020-04-18 15:45:25,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-04-18 15:45:25,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-04-18 15:45:25,681 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 3 states.
[2020-04-18 15:45:25,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 15:45:25,708 INFO L93 Difference]: Finished difference Result 70 states and 149 transitions.
[2020-04-18 15:45:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-04-18 15:45:25,710 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6
[2020-04-18 15:45:25,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 15:45:25,739 INFO L225 Difference]: With dead ends: 70
[2020-04-18 15:45:25,739 INFO L226 Difference]: Without dead ends: 54
[2020-04-18 15:45:25,744 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 15:45:25,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states.
[2020-04-18 15:45:25,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54.
[2020-04-18 15:45:25,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states.
[2020-04-18 15:45:25,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 109 transitions.
[2020-04-18 15:45:25,798 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 109 transitions. Word has length 6
[2020-04-18 15:45:25,798 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 15:45:25,798 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 109 transitions.
[2020-04-18 15:45:25,798 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-04-18 15:45:25,799 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 109 transitions.
[2020-04-18 15:45:25,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2020-04-18 15:45:25,800 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 15:45:25,800 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2020-04-18 15:45:25,800 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 15:45:25,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 15:45:25,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1509525162, now seen corresponding path program 1 times
[2020-04-18 15:45:25,801 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR
[2020-04-18 15:45:25,801 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [62005144]
[2020-04-18 15:45:25,801 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 15:45:25,802 INFO L259 McrAutomatonBuilder]: Finished intersection with 10 states and 11 transitions.
[2020-04-18 15:45:25,802 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states.
[2020-04-18 15:45:25,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2020-04-18 15:45:25,803 INFO L105 Mcr]: ---- MCR iteration 0 ----
[2020-04-18 15:45:25,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 15:45:25,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1509525162, now seen corresponding path program 2 times
[2020-04-18 15:45:25,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 15:45:25,804 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865457572]
[2020-04-18 15:45:25,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 15:45:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 15:45:25,893 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 15:45:25,893 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865457572]
[2020-04-18 15:45:25,893 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 15:45:25,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2020-04-18 15:45:25,894 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 15:45:25,894 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 15:45:25,896 INFO L259 McrAutomatonBuilder]: Finished intersection with 9 states and 9 transitions.
[2020-04-18 15:45:25,896 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 15:45:25,901 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times.
[2020-04-18 15:45:25,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-04-18 15:45:25,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-04-18 15:45:25,902 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 3 states.
[2020-04-18 15:45:25,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 15:45:25,903 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions.
[2020-04-18 15:45:25,903 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions.
[2020-04-18 15:45:25,904 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 15:45:25,905 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [62005144]
[2020-04-18 15:45:25,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-04-18 15:45:25,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [1] total 1
[2020-04-18 15:45:25,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [62005144]
[2020-04-18 15:45:25,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-04-18 15:45:25,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR
[2020-04-18 15:45:25,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-04-18 15:45:25,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-04-18 15:45:25,907 INFO L87 Difference]: Start difference. First operand 54 states and 109 transitions. Second operand 3 states.
[2020-04-18 15:45:25,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 15:45:25,913 INFO L93 Difference]: Finished difference Result 51 states and 101 transitions.
[2020-04-18 15:45:25,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-04-18 15:45:25,914 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7
[2020-04-18 15:45:25,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 15:45:25,915 INFO L225 Difference]: With dead ends: 51
[2020-04-18 15:45:25,915 INFO L226 Difference]: Without dead ends: 51
[2020-04-18 15:45:25,917 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 15:45:25,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2020-04-18 15:45:25,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51.
[2020-04-18 15:45:25,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states.
[2020-04-18 15:45:25,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 101 transitions.
[2020-04-18 15:45:25,925 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 101 transitions. Word has length 7
[2020-04-18 15:45:25,925 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 15:45:25,925 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 101 transitions.
[2020-04-18 15:45:25,925 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-04-18 15:45:25,925 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 101 transitions.
[2020-04-18 15:45:25,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2020-04-18 15:45:25,926 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 15:45:25,926 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 15:45:25,927 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 15:45:25,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 15:45:25,927 INFO L82 PathProgramCache]: Analyzing trace with hash -449361261, now seen corresponding path program 1 times
[2020-04-18 15:45:25,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR
[2020-04-18 15:45:25,928 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1019914003]
[2020-04-18 15:45:25,928 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 15:45:25,929 INFO L259 McrAutomatonBuilder]: Finished intersection with 18 states and 28 transitions.
[2020-04-18 15:45:25,929 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states.
[2020-04-18 15:45:25,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2020-04-18 15:45:25,930 INFO L105 Mcr]: ---- MCR iteration 0 ----
[2020-04-18 15:45:25,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 15:45:25,930 INFO L82 PathProgramCache]: Analyzing trace with hash -449360091, now seen corresponding path program 2 times
[2020-04-18 15:45:25,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 15:45:25,931 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864157014]
[2020-04-18 15:45:25,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 15:45:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 15:45:25,992 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 15:45:25,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864157014]
[2020-04-18 15:45:25,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 15:45:25,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-18 15:45:25,993 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 15:45:25,994 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 15:45:25,996 INFO L259 McrAutomatonBuilder]: Finished intersection with 10 states and 10 transitions.
[2020-04-18 15:45:25,996 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 15:45:26,000 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times.
[2020-04-18 15:45:26,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-04-18 15:45:26,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-04-18 15:45:26,001 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 3 states.
[2020-04-18 15:45:26,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 15:45:26,005 INFO L93 Difference]: Finished difference Result 20 states and 29 transitions.
[2020-04-18 15:45:26,005 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions.
[2020-04-18 15:45:26,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2020-04-18 15:45:26,006 INFO L105 Mcr]: ---- MCR iteration 1 ----
[2020-04-18 15:45:26,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 15:45:26,006 INFO L82 PathProgramCache]: Analyzing trace with hash -449361261, now seen corresponding path program 3 times
[2020-04-18 15:45:26,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 15:45:26,007 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249803999]
[2020-04-18 15:45:26,007 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 15:45:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 15:45:26,070 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 15:45:26,071 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249803999]
[2020-04-18 15:45:26,072 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 15:45:26,072 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-18 15:45:26,072 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 15:45:26,073 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 15:45:26,075 INFO L259 McrAutomatonBuilder]: Finished intersection with 15 states and 21 transitions.
[2020-04-18 15:45:26,075 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 15:45:26,086 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times.
[2020-04-18 15:45:26,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-18 15:45:26,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-04-18 15:45:26,087 INFO L87 Difference]: Start difference. First operand 20 states and 29 transitions. Second operand 4 states.
[2020-04-18 15:45:26,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 15:45:26,105 INFO L93 Difference]: Finished difference Result 20 states and 29 transitions.
[2020-04-18 15:45:26,105 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions.
[2020-04-18 15:45:26,105 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 15:45:26,106 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1019914003]
[2020-04-18 15:45:26,106 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-04-18 15:45:26,106 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2
[2020-04-18 15:45:26,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1019914003]
[2020-04-18 15:45:26,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-04-18 15:45:26,107 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR
[2020-04-18 15:45:26,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-04-18 15:45:26,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-04-18 15:45:26,108 INFO L87 Difference]: Start difference. First operand 51 states and 101 transitions. Second operand 5 states.
[2020-04-18 15:45:26,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 15:45:26,136 INFO L93 Difference]: Finished difference Result 60 states and 113 transitions.
[2020-04-18 15:45:26,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-04-18 15:45:26,138 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8
[2020-04-18 15:45:26,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 15:45:26,139 INFO L225 Difference]: With dead ends: 60
[2020-04-18 15:45:26,139 INFO L226 Difference]: Without dead ends: 36
[2020-04-18 15:45:26,140 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2020-04-18 15:45:26,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states.
[2020-04-18 15:45:26,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36.
[2020-04-18 15:45:26,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states.
[2020-04-18 15:45:26,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 63 transitions.
[2020-04-18 15:45:26,145 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 63 transitions. Word has length 8
[2020-04-18 15:45:26,145 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 15:45:26,145 INFO L479 AbstractCegarLoop]: Abstraction has 36 states and 63 transitions.
[2020-04-18 15:45:26,145 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-04-18 15:45:26,146 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 63 transitions.
[2020-04-18 15:45:26,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2020-04-18 15:45:26,146 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 15:45:26,146 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 15:45:26,147 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 15:45:26,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 15:45:26,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1014872071, now seen corresponding path program 1 times
[2020-04-18 15:45:26,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR
[2020-04-18 15:45:26,148 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [265841335]
[2020-04-18 15:45:26,148 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 15:45:26,149 INFO L259 McrAutomatonBuilder]: Finished intersection with 26 states and 45 transitions.
[2020-04-18 15:45:26,150 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states.
[2020-04-18 15:45:26,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2020-04-18 15:45:26,151 INFO L105 Mcr]: ---- MCR iteration 0 ----
[2020-04-18 15:45:26,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 15:45:26,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1045260811, now seen corresponding path program 2 times
[2020-04-18 15:45:26,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 15:45:26,152 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070702664]
[2020-04-18 15:45:26,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 15:45:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 15:45:26,205 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 15:45:26,206 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070702664]
[2020-04-18 15:45:26,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 15:45:26,206 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-18 15:45:26,206 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 15:45:26,207 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 15:45:26,209 INFO L259 McrAutomatonBuilder]: Finished intersection with 11 states and 11 transitions.
[2020-04-18 15:45:26,209 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 15:45:26,214 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times.
[2020-04-18 15:45:26,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-04-18 15:45:26,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-04-18 15:45:26,215 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 3 states.
[2020-04-18 15:45:26,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 15:45:26,221 INFO L93 Difference]: Finished difference Result 30 states and 49 transitions.
[2020-04-18 15:45:26,222 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions.
[2020-04-18 15:45:26,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2020-04-18 15:45:26,222 INFO L105 Mcr]: ---- MCR iteration 1 ----
[2020-04-18 15:45:26,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 15:45:26,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1045297081, now seen corresponding path program 3 times
[2020-04-18 15:45:26,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 15:45:26,227 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462638813]
[2020-04-18 15:45:26,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 15:45:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 15:45:26,303 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 15:45:26,304 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462638813]
[2020-04-18 15:45:26,304 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 15:45:26,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-04-18 15:45:26,306 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 15:45:26,307 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 15:45:26,310 INFO L259 McrAutomatonBuilder]: Finished intersection with 18 states and 26 transitions.
[2020-04-18 15:45:26,310 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 15:45:26,321 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times.
[2020-04-18 15:45:26,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-18 15:45:26,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-04-18 15:45:26,322 INFO L87 Difference]: Start difference. First operand 30 states and 49 transitions. Second operand 4 states.
[2020-04-18 15:45:26,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 15:45:26,339 INFO L93 Difference]: Finished difference Result 33 states and 51 transitions.
[2020-04-18 15:45:26,340 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions.
[2020-04-18 15:45:26,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2020-04-18 15:45:26,340 INFO L105 Mcr]: ---- MCR iteration 2 ----
[2020-04-18 15:45:26,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 15:45:26,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1014872071, now seen corresponding path program 4 times
[2020-04-18 15:45:26,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 15:45:26,342 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581904764]
[2020-04-18 15:45:26,342 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 15:45:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 15:45:26,397 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 15:45:26,398 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581904764]
[2020-04-18 15:45:26,398 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 15:45:26,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-18 15:45:26,398 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 15:45:26,399 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 15:45:26,400 INFO L259 McrAutomatonBuilder]: Finished intersection with 17 states and 23 transitions.
[2020-04-18 15:45:26,401 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 15:45:26,485 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 3 times.
[2020-04-18 15:45:26,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-04-18 15:45:26,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72
[2020-04-18 15:45:26,486 INFO L87 Difference]: Start difference. First operand 33 states and 51 transitions. Second operand 5 states.
[2020-04-18 15:45:26,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 15:45:26,499 INFO L93 Difference]: Finished difference Result 33 states and 51 transitions.
[2020-04-18 15:45:26,499 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions.
[2020-04-18 15:45:26,499 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 15:45:26,500 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [265841335]
[2020-04-18 15:45:26,500 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-04-18 15:45:26,500 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2
[2020-04-18 15:45:26,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [265841335]
[2020-04-18 15:45:26,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-04-18 15:45:26,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR
[2020-04-18 15:45:26,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-04-18 15:45:26,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90
[2020-04-18 15:45:26,501 INFO L87 Difference]: Start difference. First operand 36 states and 63 transitions. Second operand 8 states.
[2020-04-18 15:45:26,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 15:45:26,564 INFO L93 Difference]: Finished difference Result 30 states and 50 transitions.
[2020-04-18 15:45:26,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-04-18 15:45:26,567 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 9
[2020-04-18 15:45:26,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 15:45:26,568 INFO L225 Difference]: With dead ends: 30
[2020-04-18 15:45:26,568 INFO L226 Difference]: Without dead ends: 0
[2020-04-18 15:45:26,568 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156
[2020-04-18 15:45:26,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-04-18 15:45:26,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-04-18 15:45:26,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-04-18 15:45:26,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-04-18 15:45:26,569 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9
[2020-04-18 15:45:26,569 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 15:45:26,570 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-04-18 15:45:26,570 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-04-18 15:45:26,570 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-04-18 15:45:26,570 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 15:45:26,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 03:45:26 BasicIcfg
[2020-04-18 15:45:26,574 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-04-18 15:45:26,577 INFO L168 Benchmark]: Toolchain (without parser) took 4021.64 ms. Allocated memory was 142.6 MB in the beginning and 254.3 MB in the end (delta: 111.7 MB). Free memory was 98.9 MB in the beginning and 146.9 MB in the end (delta: -48.0 MB). Peak memory consumption was 63.7 MB. Max. memory is 7.1 GB.
[2020-04-18 15:45:26,578 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 142.6 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
[2020-04-18 15:45:26,579 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.84 ms. Allocated memory was 142.6 MB in the beginning and 199.8 MB in the end (delta: 57.1 MB). Free memory was 96.9 MB in the beginning and 156.6 MB in the end (delta: -59.7 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB.
[2020-04-18 15:45:26,580 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.23 ms. Allocated memory is still 199.8 MB. Free memory was 156.6 MB in the beginning and 154.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB.
[2020-04-18 15:45:26,582 INFO L168 Benchmark]: Boogie Preprocessor took 26.21 ms. Allocated memory is still 199.8 MB. Free memory was 154.5 MB in the beginning and 153.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB.
[2020-04-18 15:45:26,583 INFO L168 Benchmark]: RCFGBuilder took 438.77 ms. Allocated memory is still 199.8 MB. Free memory was 153.1 MB in the beginning and 133.7 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 7.1 GB.
[2020-04-18 15:45:26,585 INFO L168 Benchmark]: TraceAbstraction took 2769.87 ms. Allocated memory was 199.8 MB in the beginning and 254.3 MB in the end (delta: 54.5 MB). Free memory was 133.0 MB in the beginning and 146.9 MB in the end (delta: -14.0 MB). Peak memory consumption was 40.6 MB. Max. memory is 7.1 GB.
[2020-04-18 15:45:26,593 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.19 ms. Allocated memory is still 142.6 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 712.84 ms. Allocated memory was 142.6 MB in the beginning and 199.8 MB in the end (delta: 57.1 MB). Free memory was 96.9 MB in the beginning and 156.6 MB in the end (delta: -59.7 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB.
* Boogie Procedure Inliner took 48.23 ms. Allocated memory is still 199.8 MB. Free memory was 156.6 MB in the beginning and 154.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 26.21 ms. Allocated memory is still 199.8 MB. Free memory was 154.5 MB in the beginning and 153.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 438.77 ms. Allocated memory is still 199.8 MB. Free memory was 153.1 MB in the beginning and 133.7 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 2769.87 ms. Allocated memory was 199.8 MB in the beginning and 254.3 MB in the end (delta: 54.5 MB). Free memory was 133.0 MB in the beginning and 146.9 MB in the end (delta: -14.0 MB). Peak memory consumption was 40.6 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
LbeTime: 1.4s, 61 ProgramPointsBefore, 22 ProgramPointsAfterwards, 56 TransitionsBefore, 15 TransitionsAfterwards, 672 CoEnabledTransitionPairs, 6 FixpointIterations, 13 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 361 VarBasedMoverChecksPositive, 17 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 1165 CheckedPairsTotal, 48 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 3 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.6s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.4s, HoareTripleCheckerStatistics: 45 SDtfs, 57 SDslu, 53 SDs, 0 SdLazy, 20 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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...