/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-NoLbe-McrStrategy.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe015_tso.oepc.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-b981219
[2020-04-18 19:34:40,708 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-04-18 19:34:40,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-04-18 19:34:40,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-04-18 19:34:40,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-04-18 19:34:40,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-04-18 19:34:40,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-04-18 19:34:40,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-04-18 19:34:40,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-04-18 19:34:40,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-04-18 19:34:40,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-04-18 19:34:40,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-04-18 19:34:40,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-04-18 19:34:40,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-04-18 19:34:40,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-04-18 19:34:40,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-04-18 19:34:40,765 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-04-18 19:34:40,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-04-18 19:34:40,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-04-18 19:34:40,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-04-18 19:34:40,779 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-04-18 19:34:40,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-04-18 19:34:40,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-04-18 19:34:40,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-04-18 19:34:40,788 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-04-18 19:34:40,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-04-18 19:34:40,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-04-18 19:34:40,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-04-18 19:34:40,792 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-04-18 19:34:40,793 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-04-18 19:34:40,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-04-18 19:34:40,794 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-04-18 19:34:40,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2020-04-18 19:34:40,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-04-18 19:34:40,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
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[2020-04-18 19:34:40,798 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-04-18 19:34:40,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2020-04-18 19:34:40,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-04-18 19:34:40,801 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-NoLbe-McrStrategy.epf
[2020-04-18 19:34:40,835 INFO L113 SettingsManager]: Loading preferences was successful
[2020-04-18 19:34:40,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-04-18 19:34:40,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-04-18 19:34:40,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-04-18 19:34:40,840 INFO L138 SettingsManager]: * Use SBE=true
[2020-04-18 19:34:40,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-04-18 19:34:40,840 INFO L138 SettingsManager]: * sizeof long=4
[2020-04-18 19:34:40,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-04-18 19:34:40,841 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-04-18 19:34:40,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-04-18 19:34:40,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-04-18 19:34:40,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-04-18 19:34:40,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-04-18 19:34:40,844 INFO L138 SettingsManager]: * sizeof long double=12
[2020-04-18 19:34:40,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-04-18 19:34:40,844 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-04-18 19:34:40,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-04-18 19:34:40,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-04-18 19:34:40,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-04-18 19:34:40,845 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-04-18 19:34:40,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-04-18 19:34:40,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-04-18 19:34:40,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-04-18 19:34:40,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-04-18 19:34:40,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-04-18 19:34:40,847 INFO L138 SettingsManager]: * Trace refinement strategy=MCR
[2020-04-18 19:34:40,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-04-18 19:34:40,847 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2020-04-18 19:34:40,847 INFO L138 SettingsManager]: * Trace refinement strategy used in MCR=CAMEL
[2020-04-18 19:34:40,848 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-04-18 19:34:40,849 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2020-04-18 19:34:41,169 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-04-18 19:34:41,182 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-04-18 19:34:41,186 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-04-18 19:34:41,187 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-04-18 19:34:41,188 INFO L275 PluginConnector]: CDTParser initialized
[2020-04-18 19:34:41,188 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe015_tso.oepc.i
[2020-04-18 19:34:41,245 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/467aa4e39/df9d92363b6d4cbbaa3c71f1e92f5dd3/FLAGf8025f422
[2020-04-18 19:34:41,824 INFO L306 CDTParser]: Found 1 translation units.
[2020-04-18 19:34:41,824 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe015_tso.oepc.i
[2020-04-18 19:34:41,849 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/467aa4e39/df9d92363b6d4cbbaa3c71f1e92f5dd3/FLAGf8025f422
[2020-04-18 19:34:42,068 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/467aa4e39/df9d92363b6d4cbbaa3c71f1e92f5dd3
[2020-04-18 19:34:42,078 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-04-18 19:34:42,095 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2020-04-18 19:34:42,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-04-18 19:34:42,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-04-18 19:34:42,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-04-18 19:34:42,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:34:42" (1/1) ...
[2020-04-18 19:34:42,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@362ef4d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:34:42, skipping insertion in model container
[2020-04-18 19:34:42,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:34:42" (1/1) ...
[2020-04-18 19:34:42,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-04-18 19:34:42,164 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-04-18 19:34:42,652 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-04-18 19:34:42,663 INFO L203 MainTranslator]: Completed pre-run
[2020-04-18 19:34:42,716 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-04-18 19:34:42,794 INFO L208 MainTranslator]: Completed translation
[2020-04-18 19:34:42,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:34:42 WrapperNode
[2020-04-18 19:34:42,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-04-18 19:34:42,795 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-04-18 19:34:42,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-04-18 19:34:42,796 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2020-04-18 19:34:42,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:34:42" (1/1) ...
[2020-04-18 19:34:42,825 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:34:42" (1/1) ...
[2020-04-18 19:34:42,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-04-18 19:34:42,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-04-18 19:34:42,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-04-18 19:34:42,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-04-18 19:34:42,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:34:42" (1/1) ...
[2020-04-18 19:34:42,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:34:42" (1/1) ...
[2020-04-18 19:34:42,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:34:42" (1/1) ...
[2020-04-18 19:34:42,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:34:42" (1/1) ...
[2020-04-18 19:34:42,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:34:42" (1/1) ...
[2020-04-18 19:34:42,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:34:42" (1/1) ...
[2020-04-18 19:34:42,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:34:42" (1/1) ...
[2020-04-18 19:34:42,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-04-18 19:34:42,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-04-18 19:34:42,876 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-04-18 19:34:42,876 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-04-18 19:34:42,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:34:42" (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 19:34:42,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-04-18 19:34:42,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2020-04-18 19:34:42,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-04-18 19:34:42,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-04-18 19:34:42,943 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2020-04-18 19:34:42,943 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2020-04-18 19:34:42,943 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2020-04-18 19:34:42,943 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2020-04-18 19:34:42,944 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2020-04-18 19:34:42,944 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2020-04-18 19:34:42,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2020-04-18 19:34:42,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-04-18 19:34:42,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-04-18 19:34:42,946 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 19:34:43,343 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-04-18 19:34:43,344 INFO L295 CfgBuilder]: Removed 8 assume(true) statements.
[2020-04-18 19:34:43,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:34:43 BoogieIcfgContainer
[2020-04-18 19:34:43,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-04-18 19:34:43,355 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-04-18 19:34:43,355 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-04-18 19:34:43,357 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-04-18 19:34:43,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 07:34:42" (1/3) ...
[2020-04-18 19:34:43,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5af94203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:34:43, skipping insertion in model container
[2020-04-18 19:34:43,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:34:42" (2/3) ...
[2020-04-18 19:34:43,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5af94203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:34:43, skipping insertion in model container
[2020-04-18 19:34:43,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:34:43" (3/3) ...
[2020-04-18 19:34:43,361 INFO L109 eAbstractionObserver]: Analyzing ICFG safe015_tso.oepc.i
[2020-04-18 19:34:43,368 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-04-18 19:34:43,369 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-04-18 19:34:43,375 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-04-18 19:34:43,376 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-04-18 19:34:43,400 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 19:34:43,400 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 19:34:43,401 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 19:34:43,402 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 19:34:43,403 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 19:34:43,403 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 19:34:43,404 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 19:34:43,404 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 19:34:43,405 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 19:34:43,405 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 19:34:43,406 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 19:34:43,406 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 19:34:43,406 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 19:34:43,406 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 19:34:43,407 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 19:34:43,407 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 19:34:43,408 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 19:34:43,408 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 19:34:43,414 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 19:34:43,415 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 19:34:43,415 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 19:34:43,415 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 19:34:43,432 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 19:34:43,432 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 19:34:43,433 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 19:34:43,433 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 19:34:43,435 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 19:34:43,436 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 19:34:43,436 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 19:34:43,436 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 19:34:43,458 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2020-04-18 19:34:43,479 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-04-18 19:34:43,480 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-04-18 19:34:43,480 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-04-18 19:34:43,480 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-04-18 19:34:43,481 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-04-18 19:34:43,481 INFO L380 AbstractCegarLoop]: Difference is false
[2020-04-18 19:34:43,482 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-04-18 19:34:43,482 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-04-18 19:34:43,500 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 77 places, 69 transitions, 153 flow
[2020-04-18 19:34:43,944 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 8471 states.
[2020-04-18 19:34:43,947 INFO L276 IsEmpty]: Start isEmpty. Operand 8471 states.
[2020-04-18 19:34:43,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2020-04-18 19:34:43,988 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 19:34:43,989 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 19:34:43,990 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 19:34:43,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 19:34:43,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1532593683, now seen corresponding path program 1 times
[2020-04-18 19:34:44,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR
[2020-04-18 19:34:44,006 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1772716462]
[2020-04-18 19:34:44,024 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 19:34:44,042 INFO L259 McrAutomatonBuilder]: Finished intersection with 36 states and 35 transitions.
[2020-04-18 19:34:44,045 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states.
[2020-04-18 19:34:44,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2020-04-18 19:34:44,046 INFO L105 Mcr]: ---- MCR iteration 0 ----
[2020-04-18 19:34:44,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 19:34:44,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1532593683, now seen corresponding path program 2 times
[2020-04-18 19:34:44,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 19:34:44,051 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864157397]
[2020-04-18 19:34:44,052 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 19:34:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 19:34:44,526 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 19:34:44,527 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864157397]
[2020-04-18 19:34:44,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 19:34:44,529 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-04-18 19:34:44,530 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 19:34:44,535 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 19:34:44,543 INFO L259 McrAutomatonBuilder]: Finished intersection with 36 states and 35 transitions.
[2020-04-18 19:34:44,544 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 19:34:44,616 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times.
[2020-04-18 19:34:44,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-04-18 19:34:44,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-04-18 19:34:44,623 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 7 states.
[2020-04-18 19:34:44,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 19:34:44,705 INFO L93 Difference]: Finished difference Result 36 states and 35 transitions.
[2020-04-18 19:34:44,705 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 35 transitions.
[2020-04-18 19:34:44,706 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 19:34:44,707 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1772716462]
[2020-04-18 19:34:44,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-04-18 19:34:44,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7
[2020-04-18 19:34:44,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1772716462]
[2020-04-18 19:34:44,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-04-18 19:34:44,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR
[2020-04-18 19:34:44,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-04-18 19:34:44,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90
[2020-04-18 19:34:44,715 INFO L87 Difference]: Start difference. First operand 8471 states. Second operand 7 states.
[2020-04-18 19:34:45,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 19:34:45,275 INFO L93 Difference]: Finished difference Result 18203 states and 62568 transitions.
[2020-04-18 19:34:45,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2020-04-18 19:34:45,277 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35
[2020-04-18 19:34:45,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 19:34:45,337 INFO L225 Difference]: With dead ends: 18203
[2020-04-18 19:34:45,337 INFO L226 Difference]: Without dead ends: 5701
[2020-04-18 19:34:45,340 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210
[2020-04-18 19:34:45,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5701 states.
[2020-04-18 19:34:45,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5701 to 4693.
[2020-04-18 19:34:45,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4693 states.
[2020-04-18 19:34:45,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4693 states to 4693 states and 15602 transitions.
[2020-04-18 19:34:45,756 INFO L78 Accepts]: Start accepts. Automaton has 4693 states and 15602 transitions. Word has length 35
[2020-04-18 19:34:45,757 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 19:34:45,758 INFO L479 AbstractCegarLoop]: Abstraction has 4693 states and 15602 transitions.
[2020-04-18 19:34:45,761 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-04-18 19:34:45,761 INFO L276 IsEmpty]: Start isEmpty. Operand 4693 states and 15602 transitions.
[2020-04-18 19:34:45,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2020-04-18 19:34:45,774 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 19:34:45,783 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 19:34:45,783 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 19:34:45,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 19:34:45,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1078623240, now seen corresponding path program 1 times
[2020-04-18 19:34:45,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR
[2020-04-18 19:34:45,784 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [351338077]
[2020-04-18 19:34:45,786 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 19:34:45,788 INFO L259 McrAutomatonBuilder]: Finished intersection with 87 states and 134 transitions.
[2020-04-18 19:34:45,791 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states.
[2020-04-18 19:34:45,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2020-04-18 19:34:45,795 INFO L105 Mcr]: ---- MCR iteration 0 ----
[2020-04-18 19:34:45,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 19:34:45,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1078623240, now seen corresponding path program 2 times
[2020-04-18 19:34:45,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 19:34:45,796 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289514081]
[2020-04-18 19:34:45,796 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 19:34:45,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 19:34:46,009 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 19:34:46,010 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289514081]
[2020-04-18 19:34:46,010 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 19:34:46,010 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-04-18 19:34:46,010 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 19:34:46,014 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 19:34:46,021 INFO L259 McrAutomatonBuilder]: Finished intersection with 69 states and 98 transitions.
[2020-04-18 19:34:46,022 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 19:34:46,154 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 5 times.
[2020-04-18 19:34:46,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-04-18 19:34:46,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2020-04-18 19:34:46,155 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 8 states.
[2020-04-18 19:34:46,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 19:34:46,250 INFO L93 Difference]: Finished difference Result 87 states and 134 transitions.
[2020-04-18 19:34:46,250 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 134 transitions.
[2020-04-18 19:34:46,250 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 19:34:46,251 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [351338077]
[2020-04-18 19:34:46,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-04-18 19:34:46,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7
[2020-04-18 19:34:46,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [351338077]
[2020-04-18 19:34:46,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-04-18 19:34:46,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR
[2020-04-18 19:34:46,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-04-18 19:34:46,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2020-04-18 19:34:46,254 INFO L87 Difference]: Start difference. First operand 4693 states and 15602 transitions. Second operand 8 states.
[2020-04-18 19:34:46,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 19:34:46,680 INFO L93 Difference]: Finished difference Result 6869 states and 22561 transitions.
[2020-04-18 19:34:46,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2020-04-18 19:34:46,681 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 38
[2020-04-18 19:34:46,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 19:34:46,721 INFO L225 Difference]: With dead ends: 6869
[2020-04-18 19:34:46,721 INFO L226 Difference]: Without dead ends: 5417
[2020-04-18 19:34:46,725 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240
[2020-04-18 19:34:46,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5417 states.
[2020-04-18 19:34:46,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5417 to 4475.
[2020-04-18 19:34:46,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4475 states.
[2020-04-18 19:34:46,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4475 states to 4475 states and 14788 transitions.
[2020-04-18 19:34:46,908 INFO L78 Accepts]: Start accepts. Automaton has 4475 states and 14788 transitions. Word has length 38
[2020-04-18 19:34:46,910 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 19:34:46,910 INFO L479 AbstractCegarLoop]: Abstraction has 4475 states and 14788 transitions.
[2020-04-18 19:34:46,910 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-04-18 19:34:46,910 INFO L276 IsEmpty]: Start isEmpty. Operand 4475 states and 14788 transitions.
[2020-04-18 19:34:46,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2020-04-18 19:34:46,921 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 19:34:46,922 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 19:34:46,922 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 19:34:46,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 19:34:46,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1457479407, now seen corresponding path program 1 times
[2020-04-18 19:34:46,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR
[2020-04-18 19:34:46,925 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [406557090]
[2020-04-18 19:34:46,926 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 19:34:46,930 INFO L259 McrAutomatonBuilder]: Finished intersection with 180 states and 383 transitions.
[2020-04-18 19:34:46,935 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states.
[2020-04-18 19:34:46,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2020-04-18 19:34:46,936 INFO L105 Mcr]: ---- MCR iteration 0 ----
[2020-04-18 19:34:46,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 19:34:46,936 INFO L82 PathProgramCache]: Analyzing trace with hash -703839437, now seen corresponding path program 2 times
[2020-04-18 19:34:46,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 19:34:46,937 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015444869]
[2020-04-18 19:34:46,937 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 19:34:46,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 19:34:47,128 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 19:34:47,128 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015444869]
[2020-04-18 19:34:47,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 19:34:47,129 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-04-18 19:34:47,129 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 19:34:47,133 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 19:34:47,148 INFO L259 McrAutomatonBuilder]: Finished intersection with 132 states and 263 transitions.
[2020-04-18 19:34:47,149 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 19:34:47,284 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 13 times.
[2020-04-18 19:34:47,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-04-18 19:34:47,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72
[2020-04-18 19:34:47,285 INFO L87 Difference]: Start difference. First operand 180 states. Second operand 9 states.
[2020-04-18 19:34:47,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 19:34:47,368 INFO L93 Difference]: Finished difference Result 180 states and 383 transitions.
[2020-04-18 19:34:47,369 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 383 transitions.
[2020-04-18 19:34:47,369 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 19:34:47,370 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [406557090]
[2020-04-18 19:34:47,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-04-18 19:34:47,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6
[2020-04-18 19:34:47,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [406557090]
[2020-04-18 19:34:47,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-04-18 19:34:47,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR
[2020-04-18 19:34:47,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-04-18 19:34:47,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132
[2020-04-18 19:34:47,372 INFO L87 Difference]: Start difference. First operand 4475 states and 14788 transitions. Second operand 9 states.
[2020-04-18 19:34:47,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 19:34:47,686 INFO L93 Difference]: Finished difference Result 7860 states and 25680 transitions.
[2020-04-18 19:34:47,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2020-04-18 19:34:47,687 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 39
[2020-04-18 19:34:47,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 19:34:47,845 INFO L225 Difference]: With dead ends: 7860
[2020-04-18 19:34:47,845 INFO L226 Difference]: Without dead ends: 6292
[2020-04-18 19:34:47,846 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272
[2020-04-18 19:34:47,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6292 states.
[2020-04-18 19:34:48,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6292 to 4467.
[2020-04-18 19:34:48,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4467 states.
[2020-04-18 19:34:48,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4467 states to 4467 states and 14758 transitions.
[2020-04-18 19:34:48,028 INFO L78 Accepts]: Start accepts. Automaton has 4467 states and 14758 transitions. Word has length 39
[2020-04-18 19:34:48,028 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 19:34:48,028 INFO L479 AbstractCegarLoop]: Abstraction has 4467 states and 14758 transitions.
[2020-04-18 19:34:48,028 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-04-18 19:34:48,028 INFO L276 IsEmpty]: Start isEmpty. Operand 4467 states and 14758 transitions.
[2020-04-18 19:34:48,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2020-04-18 19:34:48,042 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 19:34:48,042 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 19:34:48,043 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 19:34:48,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 19:34:48,046 INFO L82 PathProgramCache]: Analyzing trace with hash -900130073, now seen corresponding path program 1 times
[2020-04-18 19:34:48,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR
[2020-04-18 19:34:48,047 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1980161328]
[2020-04-18 19:34:48,048 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 19:34:48,053 INFO L259 McrAutomatonBuilder]: Finished intersection with 231 states and 516 transitions.
[2020-04-18 19:34:48,055 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states.
[2020-04-18 19:34:48,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2020-04-18 19:34:48,056 INFO L105 Mcr]: ---- MCR iteration 0 ----
[2020-04-18 19:34:48,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 19:34:48,057 INFO L82 PathProgramCache]: Analyzing trace with hash -900130073, now seen corresponding path program 2 times
[2020-04-18 19:34:48,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 19:34:48,057 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140721568]
[2020-04-18 19:34:48,057 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 19:34:48,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 19:34:48,218 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 19:34:48,218 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140721568]
[2020-04-18 19:34:48,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 19:34:48,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-04-18 19:34:48,219 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 19:34:48,222 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 19:34:48,243 INFO L259 McrAutomatonBuilder]: Finished intersection with 165 states and 348 transitions.
[2020-04-18 19:34:48,243 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 19:34:48,274 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times.
[2020-04-18 19:34:48,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-04-18 19:34:48,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-04-18 19:34:48,276 INFO L87 Difference]: Start difference. First operand 231 states. Second operand 6 states.
[2020-04-18 19:34:48,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 19:34:48,334 INFO L93 Difference]: Finished difference Result 231 states and 516 transitions.
[2020-04-18 19:34:48,335 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 516 transitions.
[2020-04-18 19:34:48,335 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 19:34:48,336 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1980161328]
[2020-04-18 19:34:48,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-04-18 19:34:48,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6
[2020-04-18 19:34:48,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1980161328]
[2020-04-18 19:34:48,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-04-18 19:34:48,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR
[2020-04-18 19:34:48,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-04-18 19:34:48,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2020-04-18 19:34:48,338 INFO L87 Difference]: Start difference. First operand 4467 states and 14758 transitions. Second operand 6 states.
[2020-04-18 19:34:48,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 19:34:48,432 INFO L93 Difference]: Finished difference Result 4787 states and 15714 transitions.
[2020-04-18 19:34:48,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-04-18 19:34:48,433 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40
[2020-04-18 19:34:48,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 19:34:48,452 INFO L225 Difference]: With dead ends: 4787
[2020-04-18 19:34:48,452 INFO L226 Difference]: Without dead ends: 4227
[2020-04-18 19:34:48,452 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2020-04-18 19:34:48,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4227 states.
[2020-04-18 19:34:48,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4227 to 3939.
[2020-04-18 19:34:48,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3939 states.
[2020-04-18 19:34:48,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3939 states to 3939 states and 12994 transitions.
[2020-04-18 19:34:48,648 INFO L78 Accepts]: Start accepts. Automaton has 3939 states and 12994 transitions. Word has length 40
[2020-04-18 19:34:48,648 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 19:34:48,648 INFO L479 AbstractCegarLoop]: Abstraction has 3939 states and 12994 transitions.
[2020-04-18 19:34:48,649 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-04-18 19:34:48,649 INFO L276 IsEmpty]: Start isEmpty. Operand 3939 states and 12994 transitions.
[2020-04-18 19:34:48,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2020-04-18 19:34:48,657 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 19:34:48,658 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 19:34:48,658 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 19:34:48,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 19:34:48,658 INFO L82 PathProgramCache]: Analyzing trace with hash -246998388, now seen corresponding path program 1 times
[2020-04-18 19:34:48,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR
[2020-04-18 19:34:48,659 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1846018879]
[2020-04-18 19:34:48,660 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 19:34:48,668 INFO L259 McrAutomatonBuilder]: Finished intersection with 414 states and 1145 transitions.
[2020-04-18 19:34:48,671 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states.
[2020-04-18 19:34:48,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2020-04-18 19:34:48,672 INFO L105 Mcr]: ---- MCR iteration 0 ----
[2020-04-18 19:34:48,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 19:34:48,673 INFO L82 PathProgramCache]: Analyzing trace with hash -1554306252, now seen corresponding path program 2 times
[2020-04-18 19:34:48,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 19:34:48,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941789974]
[2020-04-18 19:34:48,673 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 19:34:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 19:34:48,771 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 19:34:48,771 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941789974]
[2020-04-18 19:34:48,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 19:34:48,772 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-04-18 19:34:48,772 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 19:34:48,775 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 19:34:48,806 INFO L259 McrAutomatonBuilder]: Finished intersection with 216 states and 517 transitions.
[2020-04-18 19:34:48,807 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 19:34:48,871 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 15 times.
[2020-04-18 19:34:48,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-04-18 19:34:48,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-04-18 19:34:48,872 INFO L87 Difference]: Start difference. First operand 414 states. Second operand 8 states.
[2020-04-18 19:34:49,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 19:34:49,032 INFO L93 Difference]: Finished difference Result 519 states and 1344 transitions.
[2020-04-18 19:34:49,032 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 1344 transitions.
[2020-04-18 19:34:49,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2020-04-18 19:34:49,034 INFO L105 Mcr]: ---- MCR iteration 1 ----
[2020-04-18 19:34:49,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 19:34:49,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1027819708, now seen corresponding path program 3 times
[2020-04-18 19:34:49,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 19:34:49,035 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199228545]
[2020-04-18 19:34:49,035 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 19:34:49,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 19:34:49,154 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 19:34:49,154 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199228545]
[2020-04-18 19:34:49,155 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 19:34:49,155 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-04-18 19:34:49,155 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 19:34:49,159 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 19:34:49,186 INFO L259 McrAutomatonBuilder]: Finished intersection with 195 states and 455 transitions.
[2020-04-18 19:34:49,186 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 19:34:49,248 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 19 times.
[2020-04-18 19:34:49,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-04-18 19:34:49,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306
[2020-04-18 19:34:49,249 INFO L87 Difference]: Start difference. First operand 519 states and 1344 transitions. Second operand 8 states.
[2020-04-18 19:34:49,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 19:34:49,516 INFO L93 Difference]: Finished difference Result 537 states and 1371 transitions.
[2020-04-18 19:34:49,516 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 1371 transitions.
[2020-04-18 19:34:49,518 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 19:34:49,519 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1846018879]
[2020-04-18 19:34:49,519 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-04-18 19:34:49,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7
[2020-04-18 19:34:49,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1846018879]
[2020-04-18 19:34:49,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states
[2020-04-18 19:34:49,520 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR
[2020-04-18 19:34:49,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2020-04-18 19:34:49,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=465, Unknown=0, NotChecked=0, Total=650
[2020-04-18 19:34:49,521 INFO L87 Difference]: Start difference. First operand 3939 states and 12994 transitions. Second operand 11 states.
[2020-04-18 19:34:49,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 19:34:49,754 INFO L93 Difference]: Finished difference Result 7037 states and 22771 transitions.
[2020-04-18 19:34:49,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2020-04-18 19:34:49,755 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 41
[2020-04-18 19:34:49,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 19:34:49,773 INFO L225 Difference]: With dead ends: 7037
[2020-04-18 19:34:49,774 INFO L226 Difference]: Without dead ends: 4904
[2020-04-18 19:34:49,775 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=224, Invalid=588, Unknown=0, NotChecked=0, Total=812
[2020-04-18 19:34:49,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4904 states.
[2020-04-18 19:34:50,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4904 to 3656.
[2020-04-18 19:34:50,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3656 states.
[2020-04-18 19:34:50,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3656 states to 3656 states and 11936 transitions.
[2020-04-18 19:34:50,259 INFO L78 Accepts]: Start accepts. Automaton has 3656 states and 11936 transitions. Word has length 41
[2020-04-18 19:34:50,260 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 19:34:50,260 INFO L479 AbstractCegarLoop]: Abstraction has 3656 states and 11936 transitions.
[2020-04-18 19:34:50,260 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states.
[2020-04-18 19:34:50,260 INFO L276 IsEmpty]: Start isEmpty. Operand 3656 states and 11936 transitions.
[2020-04-18 19:34:50,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2020-04-18 19:34:50,268 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 19:34:50,268 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 19:34:50,268 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 19:34:50,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 19:34:50,269 INFO L82 PathProgramCache]: Analyzing trace with hash 2076386273, now seen corresponding path program 1 times
[2020-04-18 19:34:50,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR
[2020-04-18 19:34:50,269 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [2126521560]
[2020-04-18 19:34:50,271 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 19:34:50,279 INFO L259 McrAutomatonBuilder]: Finished intersection with 243 states and 551 transitions.
[2020-04-18 19:34:50,281 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states.
[2020-04-18 19:34:50,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2020-04-18 19:34:50,282 INFO L105 Mcr]: ---- MCR iteration 0 ----
[2020-04-18 19:34:50,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 19:34:50,282 INFO L82 PathProgramCache]: Analyzing trace with hash -78306353, now seen corresponding path program 2 times
[2020-04-18 19:34:50,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 19:34:50,283 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191571233]
[2020-04-18 19:34:50,284 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 19:34:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 19:34:50,408 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 19:34:50,409 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191571233]
[2020-04-18 19:34:50,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 19:34:50,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-04-18 19:34:50,409 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 19:34:50,413 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 19:34:50,425 INFO L259 McrAutomatonBuilder]: Finished intersection with 111 states and 197 transitions.
[2020-04-18 19:34:50,425 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 19:34:50,462 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 4 times.
[2020-04-18 19:34:50,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-04-18 19:34:50,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-04-18 19:34:50,464 INFO L87 Difference]: Start difference. First operand 243 states. Second operand 6 states.
[2020-04-18 19:34:50,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 19:34:50,625 INFO L93 Difference]: Finished difference Result 337 states and 739 transitions.
[2020-04-18 19:34:50,625 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 739 transitions.
[2020-04-18 19:34:50,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2020-04-18 19:34:50,626 INFO L105 Mcr]: ---- MCR iteration 1 ----
[2020-04-18 19:34:50,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 19:34:50,627 INFO L82 PathProgramCache]: Analyzing trace with hash 263203685, now seen corresponding path program 3 times
[2020-04-18 19:34:50,627 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 19:34:50,627 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966789662]
[2020-04-18 19:34:50,627 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 19:34:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 19:34:50,724 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 19:34:50,724 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966789662]
[2020-04-18 19:34:50,725 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 19:34:50,725 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-04-18 19:34:50,725 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 19:34:50,727 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 19:34:50,736 INFO L259 McrAutomatonBuilder]: Finished intersection with 110 states and 195 transitions.
[2020-04-18 19:34:50,737 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 19:34:50,753 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 7 times.
[2020-04-18 19:34:50,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-04-18 19:34:50,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132
[2020-04-18 19:34:50,754 INFO L87 Difference]: Start difference. First operand 337 states and 739 transitions. Second operand 7 states.
[2020-04-18 19:34:50,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 19:34:50,860 INFO L93 Difference]: Finished difference Result 343 states and 744 transitions.
[2020-04-18 19:34:50,860 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 744 transitions.
[2020-04-18 19:34:50,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2020-04-18 19:34:50,861 INFO L105 Mcr]: ---- MCR iteration 2 ----
[2020-04-18 19:34:50,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 19:34:50,862 INFO L82 PathProgramCache]: Analyzing trace with hash 51398341, now seen corresponding path program 4 times
[2020-04-18 19:34:50,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 19:34:50,862 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620573625]
[2020-04-18 19:34:50,862 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 19:34:50,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 19:34:50,993 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 19:34:50,993 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620573625]
[2020-04-18 19:34:50,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 19:34:50,994 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-04-18 19:34:50,994 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 19:34:50,997 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 19:34:51,010 INFO L259 McrAutomatonBuilder]: Finished intersection with 107 states and 189 transitions.
[2020-04-18 19:34:51,010 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 19:34:51,085 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 14 times.
[2020-04-18 19:34:51,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-04-18 19:34:51,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306
[2020-04-18 19:34:51,086 INFO L87 Difference]: Start difference. First operand 343 states and 744 transitions. Second operand 9 states.
[2020-04-18 19:34:51,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 19:34:51,475 INFO L93 Difference]: Finished difference Result 417 states and 847 transitions.
[2020-04-18 19:34:51,475 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 847 transitions.
[2020-04-18 19:34:51,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2020-04-18 19:34:51,476 INFO L105 Mcr]: ---- MCR iteration 3 ----
[2020-04-18 19:34:51,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 19:34:51,476 INFO L82 PathProgramCache]: Analyzing trace with hash 2076386273, now seen corresponding path program 5 times
[2020-04-18 19:34:51,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 19:34:51,477 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627125254]
[2020-04-18 19:34:51,477 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 19:34:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 19:34:51,609 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 19:34:51,610 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627125254]
[2020-04-18 19:34:51,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 19:34:51,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-04-18 19:34:51,610 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 19:34:51,613 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 19:34:51,667 INFO L259 McrAutomatonBuilder]: Finished intersection with 117 states and 221 transitions.
[2020-04-18 19:34:51,667 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 19:34:51,728 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 14 times.
[2020-04-18 19:34:51,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-04-18 19:34:51,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=208, Invalid=662, Unknown=0, NotChecked=0, Total=870
[2020-04-18 19:34:51,730 INFO L87 Difference]: Start difference. First operand 417 states and 847 transitions. Second operand 8 states.
[2020-04-18 19:34:51,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 19:34:51,984 INFO L93 Difference]: Finished difference Result 459 states and 908 transitions.
[2020-04-18 19:34:51,985 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 908 transitions.
[2020-04-18 19:34:51,986 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 19:34:51,987 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [2126521560]
[2020-04-18 19:34:51,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-04-18 19:34:51,988 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8
[2020-04-18 19:34:51,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [2126521560]
[2020-04-18 19:34:51,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states
[2020-04-18 19:34:51,988 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR
[2020-04-18 19:34:51,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2020-04-18 19:34:51,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=285, Invalid=1047, Unknown=0, NotChecked=0, Total=1332
[2020-04-18 19:34:51,989 INFO L87 Difference]: Start difference. First operand 3656 states and 11936 transitions. Second operand 12 states.
[2020-04-18 19:34:52,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 19:34:52,207 INFO L93 Difference]: Finished difference Result 4716 states and 15155 transitions.
[2020-04-18 19:34:52,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2020-04-18 19:34:52,207 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 41
[2020-04-18 19:34:52,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 19:34:52,215 INFO L225 Difference]: With dead ends: 4716
[2020-04-18 19:34:52,215 INFO L226 Difference]: Without dead ends: 2249
[2020-04-18 19:34:52,216 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 424 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=313, Invalid=1327, Unknown=0, NotChecked=0, Total=1640
[2020-04-18 19:34:52,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2249 states.
[2020-04-18 19:34:52,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2249 to 2057.
[2020-04-18 19:34:52,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2057 states.
[2020-04-18 19:34:52,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2057 states to 2057 states and 6375 transitions.
[2020-04-18 19:34:52,274 INFO L78 Accepts]: Start accepts. Automaton has 2057 states and 6375 transitions. Word has length 41
[2020-04-18 19:34:52,275 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 19:34:52,275 INFO L479 AbstractCegarLoop]: Abstraction has 2057 states and 6375 transitions.
[2020-04-18 19:34:52,275 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states.
[2020-04-18 19:34:52,275 INFO L276 IsEmpty]: Start isEmpty. Operand 2057 states and 6375 transitions.
[2020-04-18 19:34:52,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2020-04-18 19:34:52,280 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 19:34:52,280 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 19:34:52,281 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 19:34:52,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 19:34:52,281 INFO L82 PathProgramCache]: Analyzing trace with hash 96261440, now seen corresponding path program 1 times
[2020-04-18 19:34:52,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR
[2020-04-18 19:34:52,282 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1097956428]
[2020-04-18 19:34:52,283 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 19:34:52,297 INFO L259 McrAutomatonBuilder]: Finished intersection with 543 states and 1558 transitions.
[2020-04-18 19:34:52,302 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states.
[2020-04-18 19:34:52,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2020-04-18 19:34:52,304 INFO L105 Mcr]: ---- MCR iteration 0 ----
[2020-04-18 19:34:52,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 19:34:52,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1211046424, now seen corresponding path program 2 times
[2020-04-18 19:34:52,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 19:34:52,306 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447078700]
[2020-04-18 19:34:52,306 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 19:34:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 19:34:52,394 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 19:34:52,395 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447078700]
[2020-04-18 19:34:52,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 19:34:52,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-04-18 19:34:52,396 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 19:34:52,400 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 19:34:52,437 INFO L259 McrAutomatonBuilder]: Finished intersection with 270 states and 676 transitions.
[2020-04-18 19:34:52,437 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 19:34:52,471 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 24 times.
[2020-04-18 19:34:52,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-04-18 19:34:52,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-04-18 19:34:52,472 INFO L87 Difference]: Start difference. First operand 543 states. Second operand 6 states.
[2020-04-18 19:34:52,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 19:34:52,512 INFO L93 Difference]: Finished difference Result 543 states and 1558 transitions.
[2020-04-18 19:34:52,513 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 1558 transitions.
[2020-04-18 19:34:52,514 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 19:34:52,514 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1097956428]
[2020-04-18 19:34:52,514 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-04-18 19:34:52,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6
[2020-04-18 19:34:52,515 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1097956428]
[2020-04-18 19:34:52,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-04-18 19:34:52,515 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR
[2020-04-18 19:34:52,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-04-18 19:34:52,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2020-04-18 19:34:52,516 INFO L87 Difference]: Start difference. First operand 2057 states and 6375 transitions. Second operand 6 states.
[2020-04-18 19:34:52,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 19:34:52,595 INFO L93 Difference]: Finished difference Result 2534 states and 7733 transitions.
[2020-04-18 19:34:52,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-04-18 19:34:52,596 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42
[2020-04-18 19:34:52,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 19:34:52,602 INFO L225 Difference]: With dead ends: 2534
[2020-04-18 19:34:52,602 INFO L226 Difference]: Without dead ends: 1838
[2020-04-18 19:34:52,602 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2020-04-18 19:34:52,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states.
[2020-04-18 19:34:52,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1838.
[2020-04-18 19:34:52,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states.
[2020-04-18 19:34:52,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 5580 transitions.
[2020-04-18 19:34:52,646 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 5580 transitions. Word has length 42
[2020-04-18 19:34:52,647 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 19:34:52,647 INFO L479 AbstractCegarLoop]: Abstraction has 1838 states and 5580 transitions.
[2020-04-18 19:34:52,647 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-04-18 19:34:52,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 5580 transitions.
[2020-04-18 19:34:52,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2020-04-18 19:34:52,650 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 19:34:52,651 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 19:34:52,651 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 19:34:52,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 19:34:52,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1641822891, now seen corresponding path program 1 times
[2020-04-18 19:34:52,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR
[2020-04-18 19:34:52,652 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [2032396226]
[2020-04-18 19:34:52,653 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 19:34:52,674 INFO L259 McrAutomatonBuilder]: Finished intersection with 672 states and 1971 transitions.
[2020-04-18 19:34:52,679 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states.
[2020-04-18 19:34:52,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2020-04-18 19:34:52,681 INFO L105 Mcr]: ---- MCR iteration 0 ----
[2020-04-18 19:34:52,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 19:34:52,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1007181547, now seen corresponding path program 2 times
[2020-04-18 19:34:52,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 19:34:52,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802917384]
[2020-04-18 19:34:52,682 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 19:34:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 19:34:52,779 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 19:34:52,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802917384]
[2020-04-18 19:34:52,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 19:34:52,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-04-18 19:34:52,780 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 19:34:52,784 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 19:34:52,813 INFO L259 McrAutomatonBuilder]: Finished intersection with 210 states and 474 transitions.
[2020-04-18 19:34:52,814 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 19:34:52,883 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 23 times.
[2020-04-18 19:34:52,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-04-18 19:34:52,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2020-04-18 19:34:52,884 INFO L87 Difference]: Start difference. First operand 672 states. Second operand 8 states.
[2020-04-18 19:34:52,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 19:34:52,998 INFO L93 Difference]: Finished difference Result 672 states and 1971 transitions.
[2020-04-18 19:34:52,998 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1971 transitions.
[2020-04-18 19:34:52,999 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 19:34:53,000 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [2032396226]
[2020-04-18 19:34:53,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-04-18 19:34:53,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7
[2020-04-18 19:34:53,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [2032396226]
[2020-04-18 19:34:53,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-04-18 19:34:53,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR
[2020-04-18 19:34:53,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-04-18 19:34:53,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182
[2020-04-18 19:34:53,001 INFO L87 Difference]: Start difference. First operand 1838 states and 5580 transitions. Second operand 8 states.
[2020-04-18 19:34:53,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 19:34:53,110 INFO L93 Difference]: Finished difference Result 1775 states and 5214 transitions.
[2020-04-18 19:34:53,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2020-04-18 19:34:53,111 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 43
[2020-04-18 19:34:53,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 19:34:53,114 INFO L225 Difference]: With dead ends: 1775
[2020-04-18 19:34:53,114 INFO L226 Difference]: Without dead ends: 1227
[2020-04-18 19:34:53,115 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240
[2020-04-18 19:34:53,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states.
[2020-04-18 19:34:53,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 1227.
[2020-04-18 19:34:53,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1227 states.
[2020-04-18 19:34:53,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 3514 transitions.
[2020-04-18 19:34:53,173 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 3514 transitions. Word has length 43
[2020-04-18 19:34:53,174 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 19:34:53,174 INFO L479 AbstractCegarLoop]: Abstraction has 1227 states and 3514 transitions.
[2020-04-18 19:34:53,174 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-04-18 19:34:53,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 3514 transitions.
[2020-04-18 19:34:53,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2020-04-18 19:34:53,176 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 19:34:53,177 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 19:34:53,177 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 19:34:53,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 19:34:53,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1594703724, now seen corresponding path program 1 times
[2020-04-18 19:34:53,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR
[2020-04-18 19:34:53,178 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1721347612]
[2020-04-18 19:34:53,179 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 19:34:53,203 INFO L259 McrAutomatonBuilder]: Finished intersection with 1110 states and 3421 transitions.
[2020-04-18 19:34:53,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states.
[2020-04-18 19:34:53,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2020-04-18 19:34:53,214 INFO L105 Mcr]: ---- MCR iteration 0 ----
[2020-04-18 19:34:53,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 19:34:53,214 INFO L82 PathProgramCache]: Analyzing trace with hash 287395860, now seen corresponding path program 2 times
[2020-04-18 19:34:53,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 19:34:53,215 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601341835]
[2020-04-18 19:34:53,215 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 19:34:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 19:34:53,323 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 19:34:53,324 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601341835]
[2020-04-18 19:34:53,324 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 19:34:53,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-04-18 19:34:53,324 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 19:34:53,327 INFO L256 McrAutomatonBuilder]: Started intersection.
[2020-04-18 19:34:53,344 INFO L259 McrAutomatonBuilder]: Finished intersection with 182 states and 375 transitions.
[2020-04-18 19:34:53,344 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 19:34:53,399 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 9 times.
[2020-04-18 19:34:53,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-04-18 19:34:53,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2020-04-18 19:34:53,400 INFO L87 Difference]: Start difference. First operand 1110 states. Second operand 9 states.
[2020-04-18 19:34:53,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 19:34:53,650 INFO L93 Difference]: Finished difference Result 1110 states and 3421 transitions.
[2020-04-18 19:34:53,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 3421 transitions.
[2020-04-18 19:34:53,652 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 19:34:53,652 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1721347612]
[2020-04-18 19:34:53,652 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-04-18 19:34:53,652 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8
[2020-04-18 19:34:53,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1721347612]
[2020-04-18 19:34:53,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-04-18 19:34:53,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR
[2020-04-18 19:34:53,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-04-18 19:34:53,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=195, Unknown=0, NotChecked=0, Total=306
[2020-04-18 19:34:53,653 INFO L87 Difference]: Start difference. First operand 1227 states and 3514 transitions. Second operand 9 states.
[2020-04-18 19:34:53,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 19:34:53,690 INFO L93 Difference]: Finished difference Result 795 states and 2191 transitions.
[2020-04-18 19:34:53,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2020-04-18 19:34:53,691 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 45
[2020-04-18 19:34:53,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 19:34:53,691 INFO L225 Difference]: With dead ends: 795
[2020-04-18 19:34:53,691 INFO L226 Difference]: Without dead ends: 0
[2020-04-18 19:34:53,692 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=195, Unknown=0, NotChecked=0, Total=306
[2020-04-18 19:34:53,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-04-18 19:34:53,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-04-18 19:34:53,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-04-18 19:34:53,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-04-18 19:34:53,693 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45
[2020-04-18 19:34:53,693 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 19:34:53,693 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-04-18 19:34:53,693 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-04-18 19:34:53,693 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-04-18 19:34:53,693 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 19:34:53,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 07:34:53 BasicIcfg
[2020-04-18 19:34:53,699 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-04-18 19:34:53,701 INFO L168 Benchmark]: Toolchain (without parser) took 11621.20 ms. Allocated memory was 141.6 MB in the beginning and 545.3 MB in the end (delta: 403.7 MB). Free memory was 101.5 MB in the beginning and 343.5 MB in the end (delta: -242.0 MB). Peak memory consumption was 161.7 MB. Max. memory is 7.1 GB.
[2020-04-18 19:34:53,702 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 141.6 MB. Free memory is still 121.0 MB. There was no memory consumed. Max. memory is 7.1 GB.
[2020-04-18 19:34:53,702 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.24 ms. Allocated memory was 141.6 MB in the beginning and 202.9 MB in the end (delta: 61.3 MB). Free memory was 99.8 MB in the beginning and 159.6 MB in the end (delta: -59.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB.
[2020-04-18 19:34:53,703 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.47 ms. Allocated memory is still 202.9 MB. Free memory was 159.6 MB in the beginning and 157.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB.
[2020-04-18 19:34:53,704 INFO L168 Benchmark]: Boogie Preprocessor took 27.16 ms. Allocated memory is still 202.9 MB. Free memory was 157.6 MB in the beginning and 155.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB.
[2020-04-18 19:34:53,704 INFO L168 Benchmark]: RCFGBuilder took 478.05 ms. Allocated memory is still 202.9 MB. Free memory was 155.7 MB in the beginning and 133.9 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB.
[2020-04-18 19:34:53,705 INFO L168 Benchmark]: TraceAbstraction took 10344.09 ms. Allocated memory was 202.9 MB in the beginning and 545.3 MB in the end (delta: 342.4 MB). Free memory was 133.9 MB in the beginning and 343.5 MB in the end (delta: -209.6 MB). Peak memory consumption was 132.8 MB. Max. memory is 7.1 GB.
[2020-04-18 19:34:53,709 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.14 ms. Allocated memory is still 141.6 MB. Free memory is still 121.0 MB. There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 698.24 ms. Allocated memory was 141.6 MB in the beginning and 202.9 MB in the end (delta: 61.3 MB). Free memory was 99.8 MB in the beginning and 159.6 MB in the end (delta: -59.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB.
* Boogie Procedure Inliner took 52.47 ms. Allocated memory is still 202.9 MB. Free memory was 159.6 MB in the beginning and 157.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 27.16 ms. Allocated memory is still 202.9 MB. Free memory was 157.6 MB in the beginning and 155.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 478.05 ms. Allocated memory is still 202.9 MB. Free memory was 155.7 MB in the beginning and 133.9 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 10344.09 ms. Allocated memory was 202.9 MB in the beginning and 545.3 MB in the end (delta: 342.4 MB). Free memory was 133.9 MB in the beginning and 343.5 MB in the end (delta: -209.6 MB). Peak memory consumption was 132.8 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- 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, 68 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.2s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 882 SDtfs, 1688 SDslu, 3507 SDs, 0 SdLazy, 550 SolverSat, 101 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 847 GetRequests, 691 SyntacticMatches, 0 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 763 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8471occurred 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: 1.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 5503 StatesRemovedByMinimization, 6 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...