/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe-McrStrategy.epf -i ../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 11:33:52,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 11:33:52,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 11:33:52,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 11:33:52,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 11:33:52,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 11:33:52,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 11:33:52,084 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 11:33:52,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 11:33:52,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 11:33:52,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 11:33:52,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 11:33:52,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 11:33:52,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 11:33:52,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 11:33:52,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 11:33:52,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 11:33:52,103 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 11:33:52,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 11:33:52,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 11:33:52,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 11:33:52,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 11:33:52,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 11:33:52,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 11:33:52,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 11:33:52,122 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 11:33:52,122 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 11:33:52,123 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 11:33:52,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 11:33:52,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 11:33:52,127 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 11:33:52,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 11:33:52,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 11:33:52,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 11:33:52,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 11:33:52,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 11:33:52,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 11:33:52,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 11:33:52,133 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 11:33:52,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 11:33:52,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 11:33:52,136 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe-McrStrategy.epf [2020-04-18 11:33:52,174 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 11:33:52,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 11:33:52,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 11:33:52,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 11:33:52,177 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 11:33:52,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 11:33:52,177 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 11:33:52,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 11:33:52,177 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 11:33:52,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 11:33:52,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 11:33:52,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 11:33:52,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 11:33:52,178 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 11:33:52,179 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 11:33:52,179 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 11:33:52,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 11:33:52,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 11:33:52,180 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 11:33:52,180 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 11:33:52,180 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 11:33:52,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 11:33:52,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 11:33:52,181 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 11:33:52,181 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 11:33:52,181 INFO L138 SettingsManager]: * Trace refinement strategy=MCR [2020-04-18 11:33:52,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 11:33:52,181 INFO L138 SettingsManager]: * Trace refinement strategy used in MCR=CAMEL [2020-04-18 11:33:52,182 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 11:33:52,182 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 11:33:52,496 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 11:33:52,508 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 11:33:52,511 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 11:33:52,512 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 11:33:52,512 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 11:33:52,513 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2020-04-18 11:33:52,584 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cc0f65e2/2bf865fafc7945e4bb57546a895dbe4c/FLAGc55a6e4ac [2020-04-18 11:33:53,275 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 11:33:53,276 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2020-04-18 11:33:53,294 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cc0f65e2/2bf865fafc7945e4bb57546a895dbe4c/FLAGc55a6e4ac [2020-04-18 11:33:53,410 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cc0f65e2/2bf865fafc7945e4bb57546a895dbe4c [2020-04-18 11:33:53,418 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 11:33:53,441 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 11:33:53,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 11:33:53,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 11:33:53,447 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 11:33:53,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 11:33:53" (1/1) ... [2020-04-18 11:33:53,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b8c4942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:33:53, skipping insertion in model container [2020-04-18 11:33:53,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 11:33:53" (1/1) ... [2020-04-18 11:33:53,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 11:33:53,527 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 11:33:54,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 11:33:54,242 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 11:33:54,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 11:33:54,839 INFO L208 MainTranslator]: Completed translation [2020-04-18 11:33:54,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:33:54 WrapperNode [2020-04-18 11:33:54,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 11:33:54,840 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 11:33:54,840 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 11:33:54,841 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 11:33:54,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:33:54" (1/1) ... [2020-04-18 11:33:54,911 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:33:54" (1/1) ... [2020-04-18 11:33:54,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 11:33:54,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 11:33:54,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 11:33:54,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 11:33:54,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:33:54" (1/1) ... [2020-04-18 11:33:54,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:33:54" (1/1) ... [2020-04-18 11:33:54,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:33:54" (1/1) ... [2020-04-18 11:33:54,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:33:54" (1/1) ... [2020-04-18 11:33:54,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:33:54" (1/1) ... [2020-04-18 11:33:54,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:33:54" (1/1) ... [2020-04-18 11:33:55,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:33:54" (1/1) ... [2020-04-18 11:33:55,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 11:33:55,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 11:33:55,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 11:33:55,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 11:33:55,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:33:54" (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 11:33:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 11:33:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-18 11:33:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-04-18 11:33:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-04-18 11:33:55,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 11:33:55,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 11:33:55,111 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-04-18 11:33:55,111 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-04-18 11:33:55,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 11:33:55,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 11:33:55,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-04-18 11:33:55,114 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 11:33:55,874 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 11:33:55,874 INFO L295 CfgBuilder]: Removed 24 assume(true) statements. [2020-04-18 11:33:55,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 11:33:55 BoogieIcfgContainer [2020-04-18 11:33:55,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 11:33:55,882 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 11:33:55,882 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 11:33:55,885 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 11:33:55,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 11:33:53" (1/3) ... [2020-04-18 11:33:55,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dea438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 11:33:55, skipping insertion in model container [2020-04-18 11:33:55,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:33:54" (2/3) ... [2020-04-18 11:33:55,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dea438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 11:33:55, skipping insertion in model container [2020-04-18 11:33:55,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 11:33:55" (3/3) ... [2020-04-18 11:33:55,890 INFO L109 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2020-04-18 11:33:55,901 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 11:33:55,901 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 11:33:55,911 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-04-18 11:33:55,912 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 11:33:55,944 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,945 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,945 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,945 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,946 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,946 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,946 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,946 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,947 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,947 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,947 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,947 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,947 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,948 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,948 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,948 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,948 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,949 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,949 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,949 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,949 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,950 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,950 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,950 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,950 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,951 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,951 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,951 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,951 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,952 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,952 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,952 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,952 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,953 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,953 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,953 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,953 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,954 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,954 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,954 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,954 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,954 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,955 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,955 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,956 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,956 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,956 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,956 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,957 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,957 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,957 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,957 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,957 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,958 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,958 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,958 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,959 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,959 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,963 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,964 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,964 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,964 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,964 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,965 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,965 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,965 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,965 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,966 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,973 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,973 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,974 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,974 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,974 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,974 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,975 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,975 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,975 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:55,975 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:33:56,011 INFO L251 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-04-18 11:33:56,035 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 11:33:56,036 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 11:33:56,036 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 11:33:56,037 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 11:33:56,037 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 11:33:56,037 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 11:33:56,037 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 11:33:56,038 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 11:33:56,068 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 150 places, 154 transitions, 330 flow [2020-04-18 11:33:56,070 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 150 places, 154 transitions, 330 flow [2020-04-18 11:33:56,156 INFO L129 PetriNetUnfolder]: 11/192 cut-off events. [2020-04-18 11:33:56,156 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-04-18 11:33:56,165 INFO L80 FinitePrefix]: Finished finitePrefix Result has 203 conditions, 192 events. 11/192 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 370 event pairs, 0 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 107. Up to 4 conditions per place. [2020-04-18 11:33:56,174 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 150 places, 154 transitions, 330 flow [2020-04-18 11:33:56,256 INFO L129 PetriNetUnfolder]: 11/192 cut-off events. [2020-04-18 11:33:56,256 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-04-18 11:33:56,257 INFO L80 FinitePrefix]: Finished finitePrefix Result has 203 conditions, 192 events. 11/192 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 370 event pairs, 0 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 107. Up to 4 conditions per place. [2020-04-18 11:33:56,261 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2652 [2020-04-18 11:33:56,262 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-04-18 11:33:56,528 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:33:56,568 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:33:56,575 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:33:56,605 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:33:56,607 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:33:56,608 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-04-18 11:33:56,626 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:33:56,666 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:33:56,673 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:33:56,710 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:33:56,712 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:33:56,712 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-04-18 11:33:59,146 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:33:59,190 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:33:59,196 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:33:59,241 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:33:59,243 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:33:59,243 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-04-18 11:33:59,266 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:33:59,313 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:33:59,320 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:33:59,354 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:33:59,355 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:33:59,356 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-04-18 11:34:01,410 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:01,455 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:01,461 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:01,497 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:01,498 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:01,499 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-04-18 11:34:01,514 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:01,555 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:01,561 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:01,595 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:01,596 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:01,597 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-04-18 11:34:04,018 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:04,060 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:04,073 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:04,108 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:04,109 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:04,109 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-04-18 11:34:04,134 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:04,182 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:04,188 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:04,223 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:04,225 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:04,225 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-04-18 11:34:06,831 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:06,865 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:06,872 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:06,902 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:06,903 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:06,904 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-04-18 11:34:06,928 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:06,969 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:06,974 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:07,004 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:07,005 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:07,005 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-04-18 11:34:09,284 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:09,325 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:09,330 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:09,359 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:09,360 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:09,360 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:106, output treesize:78 [2020-04-18 11:34:09,422 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:09,459 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:09,469 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:09,508 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:09,509 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:09,509 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:116, output treesize:118 [2020-04-18 11:34:09,531 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:09,571 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:09,577 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:09,616 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:09,617 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:09,617 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:120 [2020-04-18 11:34:11,761 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:11,801 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:11,807 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:11,844 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:11,845 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:11,846 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:120 [2020-04-18 11:34:11,872 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:11,918 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:11,924 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:11,962 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:11,963 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:11,964 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:116, output treesize:118 [2020-04-18 11:34:13,992 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:14,031 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:14,037 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:14,072 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:14,073 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:14,073 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-04-18 11:34:14,088 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:14,129 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:14,133 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:14,167 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:14,168 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:14,168 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-04-18 11:34:16,216 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:16,265 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:16,271 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:16,314 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:16,315 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:16,315 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:116, output treesize:118 [2020-04-18 11:34:16,331 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:16,377 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:16,382 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:16,414 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:16,416 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:16,416 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:120 [2020-04-18 11:34:18,441 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:18,527 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:18,533 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:18,578 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:18,579 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:18,579 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-04-18 11:34:18,595 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:18,654 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:18,665 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:18,706 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:18,707 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:18,707 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-04-18 11:34:21,386 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:21,440 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:21,446 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:21,486 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:21,487 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:21,488 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-04-18 11:34:21,508 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:21,551 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:21,558 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:21,596 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:21,597 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:21,598 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-04-18 11:34:24,066 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:24,105 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:24,110 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:24,148 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:24,149 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:24,149 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-04-18 11:34:24,177 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:24,215 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:24,221 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:24,260 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:24,261 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:24,262 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-04-18 11:34:26,613 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-04-18 11:34:26,793 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:26,833 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:26,839 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:26,867 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:26,868 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:26,868 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:116, output treesize:118 [2020-04-18 11:34:26,882 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:26,916 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:26,925 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:26,954 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:26,955 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:26,956 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:116, output treesize:118 [2020-04-18 11:34:29,178 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:29,208 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:29,212 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:29,235 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:29,236 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:29,236 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:104, output treesize:106 [2020-04-18 11:34:29,250 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:29,293 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:29,298 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:29,328 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:29,328 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:29,329 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:100, output treesize:102 [2020-04-18 11:34:31,358 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:31,394 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:31,399 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:31,428 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:31,429 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:31,429 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:116, output treesize:118 [2020-04-18 11:34:31,440 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:31,471 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:31,475 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:31,501 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:31,502 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:31,502 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:116, output treesize:118 [2020-04-18 11:34:33,709 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:33,749 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:33,755 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:33,783 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:33,784 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:33,784 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-04-18 11:34:33,798 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:33,831 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:33,835 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:33,863 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:33,863 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:33,864 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-04-18 11:34:35,936 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:35,969 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:35,974 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:36,000 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:36,000 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:36,001 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-04-18 11:34:36,017 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:36,056 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:36,060 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:36,086 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:36,087 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:36,088 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-04-18 11:34:38,237 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:38,285 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:38,290 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:38,332 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:38,333 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:38,333 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:100, output treesize:102 [2020-04-18 11:34:38,348 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:38,391 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:38,397 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:38,440 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:38,441 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:38,442 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:104, output treesize:106 [2020-04-18 11:34:40,488 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:40,535 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:40,539 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:40,566 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:40,567 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:40,567 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:100, output treesize:102 [2020-04-18 11:34:40,580 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:40,634 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:40,640 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:40,688 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:40,689 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:40,690 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:98, output treesize:100 [2020-04-18 11:34:41,146 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:41,184 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:41,189 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:41,222 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:41,223 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:41,223 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:98, output treesize:100 [2020-04-18 11:34:41,237 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:41,275 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:41,279 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:41,308 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:41,309 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:41,309 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:100, output treesize:102 [2020-04-18 11:34:41,324 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:41,360 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:41,365 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:41,394 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:41,395 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:41,395 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-04-18 11:34:41,406 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:41,438 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:41,442 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:41,471 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:41,472 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:41,472 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-04-18 11:34:43,698 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:43,729 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:43,734 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:43,759 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:43,760 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:43,760 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:99, output treesize:71 [2020-04-18 11:34:43,792 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:43,839 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:43,845 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:43,881 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:43,882 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:43,882 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:116, output treesize:118 [2020-04-18 11:34:43,896 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:43,945 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:43,950 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:43,984 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:43,985 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:43,985 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:120 [2020-04-18 11:34:46,000 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:46,031 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:46,037 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:46,062 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:46,063 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:46,064 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-04-18 11:34:46,074 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:46,112 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:46,116 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:46,144 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:46,145 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:46,145 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-04-18 11:34:48,160 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:48,190 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:48,194 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:48,222 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:48,223 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:48,223 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-04-18 11:34:48,249 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:48,295 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:48,301 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:48,340 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:48,341 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:48,341 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-04-18 11:34:50,491 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:50,537 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:50,541 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:50,578 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:50,578 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:50,579 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-04-18 11:34:50,590 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:50,626 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:50,630 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:50,666 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:50,667 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:50,667 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-04-18 11:34:53,157 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:53,199 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:53,204 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:53,237 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:53,238 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:53,238 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-04-18 11:34:53,249 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:53,286 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:53,289 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:53,321 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:53,322 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:53,322 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-04-18 11:34:55,513 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2020-04-18 11:34:56,163 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2020-04-18 11:34:56,362 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2020-04-18 11:34:57,216 WARN L192 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2020-04-18 11:34:57,364 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-04-18 11:34:57,856 WARN L192 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-04-18 11:34:57,865 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:58,071 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-04-18 11:34:58,071 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:58,077 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:58,267 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-04-18 11:34:58,267 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:34:58,268 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-04-18 11:34:58,268 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:187, output treesize:199 [2020-04-18 11:34:58,451 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-04-18 11:34:58,762 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2020-04-18 11:34:59,825 WARN L192 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2020-04-18 11:35:00,284 WARN L192 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-04-18 11:35:00,954 WARN L192 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2020-04-18 11:35:01,264 WARN L192 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-04-18 11:35:01,279 INFO L206 etLargeBlockEncoding]: Checked pairs total: 5194 [2020-04-18 11:35:01,279 INFO L214 etLargeBlockEncoding]: Total number of compositions: 168 [2020-04-18 11:35:01,282 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 38 transitions, 98 flow [2020-04-18 11:35:01,311 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 388 states. [2020-04-18 11:35:01,313 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states. [2020-04-18 11:35:01,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-04-18 11:35:01,319 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:35:01,320 INFO L425 BasicCegarLoop]: trace histogram [1] [2020-04-18 11:35:01,320 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 11:35:01,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:35:01,326 INFO L82 PathProgramCache]: Analyzing trace with hash 560, now seen corresponding path program 1 times [2020-04-18 11:35:01,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:35:01,333 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [827751231] [2020-04-18 11:35:01,347 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:35:01,355 INFO L259 McrAutomatonBuilder]: Finished intersection with 2 states and 1 transitions. [2020-04-18 11:35:01,357 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. [2020-04-18 11:35:01,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-04-18 11:35:01,358 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:35:01,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:35:01,358 INFO L82 PathProgramCache]: Analyzing trace with hash 560, now seen corresponding path program 2 times [2020-04-18 11:35:01,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:35:01,363 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937779750] [2020-04-18 11:35:01,363 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:35:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:35:01,624 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 11:35:01,625 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937779750] [2020-04-18 11:35:01,626 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:35:01,626 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-04-18 11:35:01,628 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:35:01,628 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:35:01,629 INFO L259 McrAutomatonBuilder]: Finished intersection with 2 states and 1 transitions. [2020-04-18 11:35:01,629 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:35:01,638 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 11:35:01,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 11:35:01,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 11:35:01,655 INFO L87 Difference]: Start difference. First operand 2 states. Second operand 2 states. [2020-04-18 11:35:01,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:35:01,663 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2020-04-18 11:35:01,664 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states and 1 transitions. [2020-04-18 11:35:01,664 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:35:01,665 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [827751231] [2020-04-18 11:35:01,665 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 11:35:01,665 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [0] total 0 [2020-04-18 11:35:01,666 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [827751231] [2020-04-18 11:35:01,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-18 11:35:01,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 11:35:01,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 11:35:01,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 11:35:01,674 INFO L87 Difference]: Start difference. First operand 388 states. Second operand 2 states. [2020-04-18 11:35:01,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:35:01,712 INFO L93 Difference]: Finished difference Result 386 states and 932 transitions. [2020-04-18 11:35:01,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-18 11:35:01,716 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-04-18 11:35:01,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 11:35:01,739 INFO L225 Difference]: With dead ends: 386 [2020-04-18 11:35:01,739 INFO L226 Difference]: Without dead ends: 348 [2020-04-18 11:35:01,741 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 11:35:01,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2020-04-18 11:35:01,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2020-04-18 11:35:01,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2020-04-18 11:35:01,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 834 transitions. [2020-04-18 11:35:01,825 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 834 transitions. Word has length 1 [2020-04-18 11:35:01,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 11:35:01,826 INFO L479 AbstractCegarLoop]: Abstraction has 348 states and 834 transitions. [2020-04-18 11:35:01,826 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-18 11:35:01,826 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 834 transitions. [2020-04-18 11:35:01,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-04-18 11:35:01,826 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:35:01,827 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-04-18 11:35:01,827 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 11:35:01,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:35:01,827 INFO L82 PathProgramCache]: Analyzing trace with hash 17264254, now seen corresponding path program 1 times [2020-04-18 11:35:01,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:35:01,828 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1934827781] [2020-04-18 11:35:01,828 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:35:01,828 INFO L259 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-04-18 11:35:01,828 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2020-04-18 11:35:01,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-04-18 11:35:01,829 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:35:01,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:35:01,829 INFO L82 PathProgramCache]: Analyzing trace with hash 17264254, now seen corresponding path program 2 times [2020-04-18 11:35:01,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:35:01,829 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677923676] [2020-04-18 11:35:01,829 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:35:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:35:02,113 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 11:35:02,114 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677923676] [2020-04-18 11:35:02,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:35:02,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 11:35:02,115 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:35:02,115 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:35:02,116 INFO L259 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-04-18 11:35:02,117 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:35:02,153 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 11:35:02,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 11:35:02,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:35:02,154 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2020-04-18 11:35:02,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:35:02,165 INFO L93 Difference]: Finished difference Result 5 states and 4 transitions. [2020-04-18 11:35:02,165 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 4 transitions. [2020-04-18 11:35:02,165 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:35:02,166 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1934827781] [2020-04-18 11:35:02,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 11:35:02,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2020-04-18 11:35:02,166 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1934827781] [2020-04-18 11:35:02,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 11:35:02,167 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 11:35:02,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 11:35:02,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:35:02,168 INFO L87 Difference]: Start difference. First operand 348 states and 834 transitions. Second operand 3 states. [2020-04-18 11:35:02,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:35:02,300 INFO L93 Difference]: Finished difference Result 471 states and 1125 transitions. [2020-04-18 11:35:02,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 11:35:02,300 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-04-18 11:35:02,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 11:35:02,306 INFO L225 Difference]: With dead ends: 471 [2020-04-18 11:35:02,306 INFO L226 Difference]: Without dead ends: 471 [2020-04-18 11:35:02,307 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:35:02,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2020-04-18 11:35:02,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 407. [2020-04-18 11:35:02,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2020-04-18 11:35:02,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 989 transitions. [2020-04-18 11:35:02,355 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 989 transitions. Word has length 4 [2020-04-18 11:35:02,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 11:35:02,356 INFO L479 AbstractCegarLoop]: Abstraction has 407 states and 989 transitions. [2020-04-18 11:35:02,356 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 11:35:02,356 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 989 transitions. [2020-04-18 11:35:02,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-04-18 11:35:02,357 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:35:02,357 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-04-18 11:35:02,359 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 11:35:02,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:35:02,359 INFO L82 PathProgramCache]: Analyzing trace with hash 535191473, now seen corresponding path program 1 times [2020-04-18 11:35:02,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:35:02,360 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [2086550826] [2020-04-18 11:35:02,360 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:35:02,360 INFO L259 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-04-18 11:35:02,360 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2020-04-18 11:35:02,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-04-18 11:35:02,361 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:35:02,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:35:02,361 INFO L82 PathProgramCache]: Analyzing trace with hash 535191473, now seen corresponding path program 2 times [2020-04-18 11:35:02,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:35:02,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120734670] [2020-04-18 11:35:02,362 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:35:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:35:02,476 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 11:35:02,477 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120734670] [2020-04-18 11:35:02,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:35:02,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 11:35:02,477 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:35:02,478 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:35:02,479 INFO L259 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-04-18 11:35:02,479 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:35:02,485 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 11:35:02,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 11:35:02,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:35:02,486 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2020-04-18 11:35:02,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:35:02,496 INFO L93 Difference]: Finished difference Result 6 states and 5 transitions. [2020-04-18 11:35:02,496 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2020-04-18 11:35:02,496 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:35:02,497 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [2086550826] [2020-04-18 11:35:02,497 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 11:35:02,497 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2020-04-18 11:35:02,497 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [2086550826] [2020-04-18 11:35:02,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 11:35:02,497 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 11:35:02,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 11:35:02,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:35:02,498 INFO L87 Difference]: Start difference. First operand 407 states and 989 transitions. Second operand 3 states. [2020-04-18 11:35:02,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:35:02,604 INFO L93 Difference]: Finished difference Result 498 states and 1196 transitions. [2020-04-18 11:35:02,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 11:35:02,605 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-04-18 11:35:02,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 11:35:02,609 INFO L225 Difference]: With dead ends: 498 [2020-04-18 11:35:02,609 INFO L226 Difference]: Without dead ends: 482 [2020-04-18 11:35:02,609 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:35:02,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2020-04-18 11:35:02,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 450. [2020-04-18 11:35:02,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2020-04-18 11:35:02,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 1111 transitions. [2020-04-18 11:35:02,627 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 1111 transitions. Word has length 5 [2020-04-18 11:35:02,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 11:35:02,627 INFO L479 AbstractCegarLoop]: Abstraction has 450 states and 1111 transitions. [2020-04-18 11:35:02,627 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 11:35:02,627 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 1111 transitions. [2020-04-18 11:35:02,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-04-18 11:35:02,629 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:35:02,629 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 11:35:02,629 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 11:35:02,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:35:02,630 INFO L82 PathProgramCache]: Analyzing trace with hash -40110202, now seen corresponding path program 1 times [2020-04-18 11:35:02,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:35:02,630 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [912490156] [2020-04-18 11:35:02,630 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:35:02,631 INFO L259 McrAutomatonBuilder]: Finished intersection with 19 states and 26 transitions. [2020-04-18 11:35:02,631 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-04-18 11:35:02,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-04-18 11:35:02,632 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:35:02,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:35:02,632 INFO L82 PathProgramCache]: Analyzing trace with hash -40110202, now seen corresponding path program 2 times [2020-04-18 11:35:02,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:35:02,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816716282] [2020-04-18 11:35:02,633 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:35:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:35:02,695 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 11:35:02,695 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816716282] [2020-04-18 11:35:02,696 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:35:02,696 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 11:35:02,696 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:35:02,697 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:35:02,699 INFO L259 McrAutomatonBuilder]: Finished intersection with 14 states and 16 transitions. [2020-04-18 11:35:02,699 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:35:02,721 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 1 times. [2020-04-18 11:35:02,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 11:35:02,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 11:35:02,722 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 4 states. [2020-04-18 11:35:02,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:35:02,772 INFO L93 Difference]: Finished difference Result 19 states and 26 transitions. [2020-04-18 11:35:02,772 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2020-04-18 11:35:02,772 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:35:02,773 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [912490156] [2020-04-18 11:35:02,773 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 11:35:02,773 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2020-04-18 11:35:02,773 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [912490156] [2020-04-18 11:35:02,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 11:35:02,774 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 11:35:02,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 11:35:02,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-18 11:35:02,774 INFO L87 Difference]: Start difference. First operand 450 states and 1111 transitions. Second operand 4 states. [2020-04-18 11:35:02,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:35:02,841 INFO L93 Difference]: Finished difference Result 114 states and 195 transitions. [2020-04-18 11:35:02,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-18 11:35:02,841 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-04-18 11:35:02,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 11:35:02,842 INFO L225 Difference]: With dead ends: 114 [2020-04-18 11:35:02,843 INFO L226 Difference]: Without dead ends: 114 [2020-04-18 11:35:02,843 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-18 11:35:02,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-04-18 11:35:02,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2020-04-18 11:35:02,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-04-18 11:35:02,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 195 transitions. [2020-04-18 11:35:02,848 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 195 transitions. Word has length 10 [2020-04-18 11:35:02,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 11:35:02,848 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 195 transitions. [2020-04-18 11:35:02,848 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 11:35:02,849 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 195 transitions. [2020-04-18 11:35:02,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-04-18 11:35:02,850 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:35:02,850 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] [2020-04-18 11:35:02,850 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 11:35:02,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:35:02,851 INFO L82 PathProgramCache]: Analyzing trace with hash 52394444, now seen corresponding path program 1 times [2020-04-18 11:35:02,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:35:02,851 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1948581571] [2020-04-18 11:35:02,853 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:35:02,856 INFO L259 McrAutomatonBuilder]: Finished intersection with 143 states and 312 transitions. [2020-04-18 11:35:02,858 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2020-04-18 11:35:02,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-04-18 11:35:02,860 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:35:02,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:35:02,860 INFO L82 PathProgramCache]: Analyzing trace with hash 52394444, now seen corresponding path program 2 times [2020-04-18 11:35:02,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:35:02,861 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551341504] [2020-04-18 11:35:02,861 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:35:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:35:03,020 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 11:35:03,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551341504] [2020-04-18 11:35:03,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:35:03,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-04-18 11:35:03,021 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:35:03,028 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:35:03,039 INFO L259 McrAutomatonBuilder]: Finished intersection with 28 states and 32 transitions. [2020-04-18 11:35:03,039 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:35:03,136 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 1 times. [2020-04-18 11:35:03,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 11:35:03,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-04-18 11:35:03,137 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 6 states. [2020-04-18 11:35:03,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:35:03,821 INFO L93 Difference]: Finished difference Result 305 states and 648 transitions. [2020-04-18 11:35:03,821 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 648 transitions. [2020-04-18 11:35:03,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-04-18 11:35:03,823 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 11:35:03,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:35:03,824 INFO L82 PathProgramCache]: Analyzing trace with hash 721639498, now seen corresponding path program 3 times [2020-04-18 11:35:03,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:35:03,824 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279611417] [2020-04-18 11:35:03,825 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:35:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:35:04,343 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 11:35:04,345 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279611417] [2020-04-18 11:35:04,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:35:04,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 11:35:04,345 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:35:04,353 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:35:04,414 INFO L259 McrAutomatonBuilder]: Finished intersection with 30 states and 36 transitions. [2020-04-18 11:35:04,415 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:35:04,598 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 2 times. [2020-04-18 11:35:04,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-18 11:35:04,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2020-04-18 11:35:04,599 INFO L87 Difference]: Start difference. First operand 305 states and 648 transitions. Second operand 7 states. [2020-04-18 11:35:05,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:35:05,394 INFO L93 Difference]: Finished difference Result 372 states and 762 transitions. [2020-04-18 11:35:05,394 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 762 transitions. [2020-04-18 11:35:05,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-04-18 11:35:05,396 INFO L105 Mcr]: ---- MCR iteration 2 ---- [2020-04-18 11:35:05,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:35:05,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1716865024, now seen corresponding path program 4 times [2020-04-18 11:35:05,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:35:05,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865184236] [2020-04-18 11:35:05,397 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:35:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:35:05,874 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2020-04-18 11:35:05,959 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 11:35:05,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865184236] [2020-04-18 11:35:05,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:35:05,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 11:35:05,960 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:35:05,965 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:35:05,977 INFO L259 McrAutomatonBuilder]: Finished intersection with 34 states and 44 transitions. [2020-04-18 11:35:05,977 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:35:06,165 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 3 times. [2020-04-18 11:35:06,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-18 11:35:06,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2020-04-18 11:35:06,166 INFO L87 Difference]: Start difference. First operand 372 states and 762 transitions. Second operand 7 states. [2020-04-18 11:35:06,405 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-04-18 11:35:06,674 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-04-18 11:35:06,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:35:06,931 INFO L93 Difference]: Finished difference Result 398 states and 802 transitions. [2020-04-18 11:35:06,931 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 802 transitions. [2020-04-18 11:35:06,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-04-18 11:35:06,933 INFO L105 Mcr]: ---- MCR iteration 3 ---- [2020-04-18 11:35:06,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:35:06,933 INFO L82 PathProgramCache]: Analyzing trace with hash -1064317376, now seen corresponding path program 5 times [2020-04-18 11:35:06,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:35:06,934 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249199542] [2020-04-18 11:35:06,934 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:35:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:35:07,322 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2020-04-18 11:35:07,478 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2020-04-18 11:35:07,620 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2020-04-18 11:35:07,765 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2020-04-18 11:35:07,907 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-04-18 11:35:08,259 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 11:35:08,259 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249199542] [2020-04-18 11:35:08,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:35:08,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-04-18 11:35:08,260 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:35:08,263 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:35:08,276 INFO L259 McrAutomatonBuilder]: Finished intersection with 31 states and 38 transitions. [2020-04-18 11:35:08,276 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:35:09,309 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 4 times. [2020-04-18 11:35:09,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-04-18 11:35:09,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=236, Invalid=1096, Unknown=0, NotChecked=0, Total=1332 [2020-04-18 11:35:09,311 INFO L87 Difference]: Start difference. First operand 398 states and 802 transitions. Second operand 14 states. [2020-04-18 11:35:09,606 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2020-04-18 11:35:09,830 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2020-04-18 11:35:10,126 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 45 [2020-04-18 11:35:10,351 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 54 [2020-04-18 11:35:10,628 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-04-18 11:35:10,958 WARN L192 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 62 [2020-04-18 11:35:11,341 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 48 [2020-04-18 11:35:11,611 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2020-04-18 11:35:11,910 WARN L192 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 61 [2020-04-18 11:35:12,419 WARN L192 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2020-04-18 11:35:12,809 WARN L192 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 69 [2020-04-18 11:35:12,993 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-04-18 11:35:13,186 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-04-18 11:35:13,546 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2020-04-18 11:35:14,113 WARN L192 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 55 [2020-04-18 11:35:14,543 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2020-04-18 11:35:15,798 WARN L192 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 85 [2020-04-18 11:35:16,645 WARN L192 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-04-18 11:35:17,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:35:17,724 INFO L93 Difference]: Finished difference Result 620 states and 1210 transitions. [2020-04-18 11:35:17,724 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 1210 transitions. [2020-04-18 11:35:17,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-04-18 11:35:17,726 INFO L105 Mcr]: ---- MCR iteration 4 ---- [2020-04-18 11:35:17,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:35:17,726 INFO L82 PathProgramCache]: Analyzing trace with hash -2116312114, now seen corresponding path program 6 times [2020-04-18 11:35:17,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:35:17,726 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274434830] [2020-04-18 11:35:17,727 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:35:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:35:17,973 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2020-04-18 11:35:18,137 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2020-04-18 11:35:18,287 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2020-04-18 11:35:18,410 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2020-04-18 11:35:18,550 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-04-18 11:35:18,725 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-04-18 11:35:19,056 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 11:35:19,057 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274434830] [2020-04-18 11:35:19,057 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:35:19,057 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-04-18 11:35:19,057 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:35:19,061 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:35:19,073 INFO L259 McrAutomatonBuilder]: Finished intersection with 40 states and 60 transitions. [2020-04-18 11:35:19,074 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:35:19,467 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:19,472 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:19,477 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:19,482 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:19,487 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:19,493 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:19,497 INFO L539 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:19,624 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-04-18 11:35:19,624 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:35:19,628 INFO L539 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:19,633 INFO L539 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:19,643 INFO L539 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:19,647 INFO L539 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:19,652 INFO L539 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:19,656 INFO L539 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:19,660 INFO L539 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:19,740 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:35:19,740 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 7 xjuncts. [2020-04-18 11:35:19,741 INFO L239 ElimStorePlain]: Needed 15 recursive calls to eliminate 2 variables, input treesize:383, output treesize:103 [2020-04-18 11:35:19,850 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 8 times. [2020-04-18 11:35:19,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-04-18 11:35:19,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=523, Invalid=3137, Unknown=0, NotChecked=0, Total=3660 [2020-04-18 11:35:19,852 INFO L87 Difference]: Start difference. First operand 620 states and 1210 transitions. Second operand 14 states. [2020-04-18 11:35:20,582 WARN L192 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 52 [2020-04-18 11:35:21,061 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2020-04-18 11:35:21,607 WARN L192 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 55 [2020-04-18 11:35:22,044 WARN L192 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 63 [2020-04-18 11:35:22,771 WARN L192 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 54 [2020-04-18 11:35:23,079 WARN L192 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2020-04-18 11:35:23,373 WARN L192 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 63 [2020-04-18 11:35:23,939 WARN L192 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 62 [2020-04-18 11:35:25,315 WARN L192 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 73 [2020-04-18 11:35:26,458 WARN L192 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 60 [2020-04-18 11:35:26,918 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 53 [2020-04-18 11:35:27,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:35:27,627 INFO L93 Difference]: Finished difference Result 835 states and 1618 transitions. [2020-04-18 11:35:27,628 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1618 transitions. [2020-04-18 11:35:27,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-04-18 11:35:27,629 INFO L105 Mcr]: ---- MCR iteration 5 ---- [2020-04-18 11:35:27,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:35:27,630 INFO L82 PathProgramCache]: Analyzing trace with hash 851400846, now seen corresponding path program 7 times [2020-04-18 11:35:27,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:35:27,630 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720789479] [2020-04-18 11:35:27,630 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:35:27,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:35:28,287 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 11:35:28,287 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720789479] [2020-04-18 11:35:28,288 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:35:28,288 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-04-18 11:35:28,288 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:35:28,291 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:35:28,299 INFO L259 McrAutomatonBuilder]: Finished intersection with 33 states and 44 transitions. [2020-04-18 11:35:28,299 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:35:29,589 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:29,595 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:29,600 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:29,606 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:29,610 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:29,614 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:29,618 INFO L539 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:29,745 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-04-18 11:35:29,746 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:35:29,752 INFO L539 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:29,755 INFO L539 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:29,759 INFO L539 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:29,762 INFO L539 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:29,767 INFO L539 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:29,771 INFO L539 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:29,774 INFO L539 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:29,843 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:35:29,844 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 7 xjuncts. [2020-04-18 11:35:29,844 INFO L239 ElimStorePlain]: Needed 15 recursive calls to eliminate 2 variables, input treesize:407, output treesize:126 [2020-04-18 11:35:29,995 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 4 times. [2020-04-18 11:35:29,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-04-18 11:35:29,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=844, Invalid=5798, Unknown=0, NotChecked=0, Total=6642 [2020-04-18 11:35:29,998 INFO L87 Difference]: Start difference. First operand 835 states and 1618 transitions. Second operand 13 states. [2020-04-18 11:35:30,505 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 42 [2020-04-18 11:35:30,767 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2020-04-18 11:35:30,946 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-04-18 11:35:31,189 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2020-04-18 11:35:31,513 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 49 [2020-04-18 11:35:31,714 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 49 [2020-04-18 11:35:31,983 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 47 [2020-04-18 11:35:32,468 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 53 [2020-04-18 11:35:32,821 WARN L192 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 53 [2020-04-18 11:35:33,056 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2020-04-18 11:35:33,883 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 57 [2020-04-18 11:35:34,134 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 53 [2020-04-18 11:35:34,664 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 48 [2020-04-18 11:35:35,057 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 54 [2020-04-18 11:35:36,100 WARN L192 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-04-18 11:35:36,605 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 52 [2020-04-18 11:35:37,553 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 56 [2020-04-18 11:35:38,072 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 52 [2020-04-18 11:35:38,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:35:38,805 INFO L93 Difference]: Finished difference Result 996 states and 1894 transitions. [2020-04-18 11:35:38,805 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1894 transitions. [2020-04-18 11:35:38,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-04-18 11:35:38,808 INFO L105 Mcr]: ---- MCR iteration 6 ---- [2020-04-18 11:35:38,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:35:38,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1177654432, now seen corresponding path program 8 times [2020-04-18 11:35:38,808 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:35:38,808 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945883202] [2020-04-18 11:35:38,809 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:35:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:35:39,006 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2020-04-18 11:35:39,121 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2020-04-18 11:35:39,236 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2020-04-18 11:35:39,495 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2020-04-18 11:35:39,639 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-04-18 11:35:39,947 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 11:35:39,947 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945883202] [2020-04-18 11:35:39,948 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:35:39,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-04-18 11:35:39,948 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:35:39,951 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:35:39,960 INFO L259 McrAutomatonBuilder]: Finished intersection with 36 states and 49 transitions. [2020-04-18 11:35:39,961 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:35:40,913 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:40,919 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:40,923 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:40,927 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:40,931 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:40,935 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:40,940 INFO L539 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:40,944 INFO L539 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:41,202 WARN L192 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2020-04-18 11:35:41,203 INFO L619 ElimStorePlain]: treesize reduction 25, result has 87.8 percent of original size [2020-04-18 11:35:41,208 INFO L539 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:41,212 INFO L539 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:41,218 INFO L539 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:41,221 INFO L539 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:41,226 INFO L539 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:41,231 INFO L539 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:41,234 INFO L539 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:41,308 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:35:41,309 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 7 xjuncts. [2020-04-18 11:35:41,309 INFO L239 ElimStorePlain]: Needed 16 recursive calls to eliminate 2 variables, input treesize:333, output treesize:66 [2020-04-18 11:35:41,543 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 8 times. [2020-04-18 11:35:41,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-04-18 11:35:41,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1332, Invalid=11100, Unknown=0, NotChecked=0, Total=12432 [2020-04-18 11:35:41,547 INFO L87 Difference]: Start difference. First operand 996 states and 1894 transitions. Second operand 16 states. [2020-04-18 11:35:41,955 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2020-04-18 11:35:42,198 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 42 [2020-04-18 11:35:42,577 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 49 [2020-04-18 11:35:43,107 WARN L192 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 69 [2020-04-18 11:35:43,520 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 52 [2020-04-18 11:35:43,874 WARN L192 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 56 [2020-04-18 11:35:44,434 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 43 [2020-04-18 11:35:44,982 WARN L192 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 72 [2020-04-18 11:35:45,484 WARN L192 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2020-04-18 11:35:46,025 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 50 [2020-04-18 11:35:46,468 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-04-18 11:35:46,766 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2020-04-18 11:35:47,513 WARN L192 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 70 [2020-04-18 11:35:48,334 WARN L192 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 58 [2020-04-18 11:35:49,441 WARN L192 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 78 [2020-04-18 11:35:50,363 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2020-04-18 11:35:50,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:35:50,977 INFO L93 Difference]: Finished difference Result 1070 states and 2014 transitions. [2020-04-18 11:35:50,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 2014 transitions. [2020-04-18 11:35:50,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-04-18 11:35:50,979 INFO L105 Mcr]: ---- MCR iteration 7 ---- [2020-04-18 11:35:50,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:35:50,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1790058528, now seen corresponding path program 9 times [2020-04-18 11:35:50,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:35:50,980 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801661460] [2020-04-18 11:35:50,980 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:35:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:35:51,359 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-04-18 11:35:51,492 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-04-18 11:35:51,829 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 11:35:51,829 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801661460] [2020-04-18 11:35:51,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:35:51,830 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-04-18 11:35:51,830 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:35:51,833 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:35:51,841 INFO L259 McrAutomatonBuilder]: Finished intersection with 31 states and 38 transitions. [2020-04-18 11:35:51,842 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:35:52,121 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-04-18 11:35:53,146 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:53,152 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:53,157 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:53,163 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:53,168 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:53,173 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:53,178 INFO L539 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:53,480 WARN L192 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-04-18 11:35:53,481 INFO L619 ElimStorePlain]: treesize reduction 27, result has 85.1 percent of original size [2020-04-18 11:35:53,486 INFO L539 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:53,490 INFO L539 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:53,496 INFO L539 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:53,500 INFO L539 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:53,505 INFO L539 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:53,508 INFO L539 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2020-04-18 11:35:53,563 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:35:53,564 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 6 xjuncts. [2020-04-18 11:35:53,564 INFO L239 ElimStorePlain]: Needed 14 recursive calls to eliminate 2 variables, input treesize:293, output treesize:56 [2020-04-18 11:35:53,874 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 5 times. [2020-04-18 11:35:53,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-04-18 11:35:53,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1691, Invalid=15865, Unknown=0, NotChecked=0, Total=17556 [2020-04-18 11:35:53,880 INFO L87 Difference]: Start difference. First operand 1070 states and 2014 transitions. Second operand 16 states. [2020-04-18 11:35:54,821 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2020-04-18 11:35:55,012 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2020-04-18 11:35:55,340 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 40 [2020-04-18 11:35:55,570 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2020-04-18 11:35:55,806 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2020-04-18 11:35:56,291 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 44 [2020-04-18 11:35:56,659 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 48 [2020-04-18 11:35:57,047 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 48 [2020-04-18 11:35:57,595 WARN L192 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 50 [2020-04-18 11:35:57,905 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 54 [2020-04-18 11:35:58,165 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2020-04-18 11:35:58,713 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2020-04-18 11:35:59,277 WARN L192 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 58 [2020-04-18 11:35:59,980 WARN L192 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 70 [2020-04-18 11:36:00,653 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2020-04-18 11:36:02,179 WARN L192 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 57 [2020-04-18 11:36:02,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:36:02,923 INFO L93 Difference]: Finished difference Result 1111 states and 2073 transitions. [2020-04-18 11:36:02,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 2073 transitions. [2020-04-18 11:36:02,925 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:36:02,926 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1948581571] [2020-04-18 11:36:02,926 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 11:36:02,926 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-04-18 11:36:02,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1948581571] [2020-04-18 11:36:02,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 43 states [2020-04-18 11:36:02,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 11:36:02,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2020-04-18 11:36:02,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2159, Invalid=21097, Unknown=0, NotChecked=0, Total=23256 [2020-04-18 11:36:02,933 INFO L87 Difference]: Start difference. First operand 114 states and 195 transitions. Second operand 43 states. [2020-04-18 11:36:03,677 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 46 [2020-04-18 11:36:04,095 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 47 [2020-04-18 11:36:04,374 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 42 [2020-04-18 11:36:04,679 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 61 [2020-04-18 11:36:05,070 WARN L192 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 53 [2020-04-18 11:36:05,416 WARN L192 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 42 [2020-04-18 11:36:05,721 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 45 [2020-04-18 11:36:06,489 WARN L192 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 54 [2020-04-18 11:36:06,835 WARN L192 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 42 [2020-04-18 11:36:07,245 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 56 [2020-04-18 11:36:07,635 WARN L192 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 48 [2020-04-18 11:36:08,070 WARN L192 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 47 [2020-04-18 11:36:08,260 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 29 [2020-04-18 11:36:08,688 WARN L192 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 48 [2020-04-18 11:36:09,126 WARN L192 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 51 [2020-04-18 11:36:09,543 WARN L192 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 66 [2020-04-18 11:36:09,963 WARN L192 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 56 [2020-04-18 11:36:10,352 WARN L192 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 44 [2020-04-18 11:36:10,654 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 34 [2020-04-18 11:36:10,903 WARN L192 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 32 [2020-04-18 11:36:11,368 WARN L192 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 55 [2020-04-18 11:36:11,820 WARN L192 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 58 [2020-04-18 11:36:12,230 WARN L192 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 47 [2020-04-18 11:36:12,660 WARN L192 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 53 [2020-04-18 11:36:13,281 WARN L192 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 68 [2020-04-18 11:36:13,844 WARN L192 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 65 [2020-04-18 11:36:14,372 WARN L192 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 56 [2020-04-18 11:36:15,183 WARN L192 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 60 [2020-04-18 11:36:15,739 WARN L192 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 56 [2020-04-18 11:36:16,418 WARN L192 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 72 [2020-04-18 11:36:17,064 WARN L192 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 63 [2020-04-18 11:36:17,731 WARN L192 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 53 [2020-04-18 11:36:18,418 WARN L192 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 62 [2020-04-18 11:36:19,441 WARN L192 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 56 [2020-04-18 11:36:19,760 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2020-04-18 11:36:20,526 WARN L192 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 53 [2020-04-18 11:36:20,965 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-04-18 11:36:21,565 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2020-04-18 11:36:22,365 WARN L192 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 56 [2020-04-18 11:36:23,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:36:23,483 INFO L93 Difference]: Finished difference Result 210 states and 357 transitions. [2020-04-18 11:36:23,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2020-04-18 11:36:23,483 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 22 [2020-04-18 11:36:23,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 11:36:23,486 INFO L225 Difference]: With dead ends: 210 [2020-04-18 11:36:23,486 INFO L226 Difference]: Without dead ends: 198 [2020-04-18 11:36:23,488 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 398 GetRequests, 186 SyntacticMatches, 10 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16993 ImplicationChecksByTransitivity, 44.6s TimeCoverageRelationStatistics Valid=4200, Invalid=37212, Unknown=0, NotChecked=0, Total=41412 [2020-04-18 11:36:23,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2020-04-18 11:36:23,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 96. [2020-04-18 11:36:23,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-04-18 11:36:23,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 161 transitions. [2020-04-18 11:36:23,493 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 161 transitions. Word has length 22 [2020-04-18 11:36:23,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 11:36:23,493 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 161 transitions. [2020-04-18 11:36:23,493 INFO L480 AbstractCegarLoop]: Interpolant automaton has 43 states. [2020-04-18 11:36:23,493 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 161 transitions. [2020-04-18 11:36:23,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-04-18 11:36:23,494 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:36:23,494 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] [2020-04-18 11:36:23,494 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 11:36:23,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:36:23,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1309120554, now seen corresponding path program 1 times [2020-04-18 11:36:23,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:36:23,495 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [2020671962] [2020-04-18 11:36:23,496 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:36:23,498 INFO L259 McrAutomatonBuilder]: Finished intersection with 143 states and 312 transitions. [2020-04-18 11:36:23,499 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2020-04-18 11:36:23,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-04-18 11:36:23,500 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:36:23,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:36:23,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1309120554, now seen corresponding path program 2 times [2020-04-18 11:36:23,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:36:23,501 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570714653] [2020-04-18 11:36:23,501 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:36:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:36:23,900 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2020-04-18 11:36:24,064 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 33 [2020-04-18 11:36:24,247 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 27 [2020-04-18 11:36:24,421 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2020-04-18 11:36:24,915 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 11:36:24,916 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570714653] [2020-04-18 11:36:24,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:36:24,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-04-18 11:36:24,916 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:36:24,919 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:36:24,926 INFO L259 McrAutomatonBuilder]: Finished intersection with 25 states and 26 transitions. [2020-04-18 11:36:24,926 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:36:25,434 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 2 times. [2020-04-18 11:36:25,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-04-18 11:36:25,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-04-18 11:36:25,434 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 14 states. [2020-04-18 11:36:25,970 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2020-04-18 11:36:27,449 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 45 [2020-04-18 11:36:27,761 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 43 [2020-04-18 11:36:28,241 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 47 [2020-04-18 11:36:28,521 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 45 [2020-04-18 11:36:28,845 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 43 [2020-04-18 11:36:29,320 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-04-18 11:36:29,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:36:29,818 INFO L93 Difference]: Finished difference Result 255 states and 527 transitions. [2020-04-18 11:36:29,818 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 527 transitions. [2020-04-18 11:36:29,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-04-18 11:36:29,819 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 11:36:29,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:36:29,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1413732572, now seen corresponding path program 3 times [2020-04-18 11:36:29,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:36:29,820 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194261634] [2020-04-18 11:36:29,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:36:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:36:30,006 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 11:36:30,007 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194261634] [2020-04-18 11:36:30,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:36:30,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 11:36:30,007 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:36:30,012 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:36:30,022 INFO L259 McrAutomatonBuilder]: Finished intersection with 33 states and 42 transitions. [2020-04-18 11:36:30,022 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:36:30,218 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 11:36:30,225 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:36:30,228 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 11:36:30,231 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:36:30,232 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-18 11:36:30,232 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:1 [2020-04-18 11:36:30,462 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 5 times. [2020-04-18 11:36:30,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 11:36:30,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=819, Unknown=0, NotChecked=0, Total=992 [2020-04-18 11:36:30,463 INFO L87 Difference]: Start difference. First operand 255 states and 527 transitions. Second operand 6 states. [2020-04-18 11:36:30,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:36:30,611 INFO L93 Difference]: Finished difference Result 435 states and 888 transitions. [2020-04-18 11:36:30,611 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 888 transitions. [2020-04-18 11:36:30,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-04-18 11:36:30,613 INFO L105 Mcr]: ---- MCR iteration 2 ---- [2020-04-18 11:36:30,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:36:30,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1729521388, now seen corresponding path program 4 times [2020-04-18 11:36:30,613 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:36:30,613 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068294592] [2020-04-18 11:36:30,614 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:36:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:36:31,926 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 11:36:31,927 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068294592] [2020-04-18 11:36:31,927 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:36:31,927 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-04-18 11:36:31,927 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:36:31,931 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:36:31,974 INFO L259 McrAutomatonBuilder]: Finished intersection with 27 states and 30 transitions. [2020-04-18 11:36:31,974 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:36:32,629 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 3 times. [2020-04-18 11:36:32,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-04-18 11:36:32,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=1267, Unknown=0, NotChecked=0, Total=1482 [2020-04-18 11:36:32,630 INFO L87 Difference]: Start difference. First operand 435 states and 888 transitions. Second operand 15 states. [2020-04-18 11:36:36,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:36:36,289 INFO L93 Difference]: Finished difference Result 646 states and 1219 transitions. [2020-04-18 11:36:36,289 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 1219 transitions. [2020-04-18 11:36:36,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-04-18 11:36:36,290 INFO L105 Mcr]: ---- MCR iteration 3 ---- [2020-04-18 11:36:36,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:36:36,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1321376162, now seen corresponding path program 5 times [2020-04-18 11:36:36,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:36:36,291 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688528824] [2020-04-18 11:36:36,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:36:36,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:36:37,346 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 11:36:37,346 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688528824] [2020-04-18 11:36:37,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:36:37,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-04-18 11:36:37,347 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:36:37,352 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:36:37,358 INFO L259 McrAutomatonBuilder]: Finished intersection with 31 states and 38 transitions. [2020-04-18 11:36:37,358 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:36:37,560 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2020-04-18 11:36:37,847 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-04-18 11:36:38,048 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 7 times. [2020-04-18 11:36:38,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-04-18 11:36:38,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=345, Invalid=2517, Unknown=0, NotChecked=0, Total=2862 [2020-04-18 11:36:38,050 INFO L87 Difference]: Start difference. First operand 646 states and 1219 transitions. Second operand 16 states. [2020-04-18 11:36:39,225 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 51 [2020-04-18 11:36:39,646 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 49 [2020-04-18 11:36:40,570 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 35 [2020-04-18 11:36:41,389 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 37 [2020-04-18 11:36:42,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:36:42,531 INFO L93 Difference]: Finished difference Result 765 states and 1386 transitions. [2020-04-18 11:36:42,531 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1386 transitions. [2020-04-18 11:36:42,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-04-18 11:36:42,533 INFO L105 Mcr]: ---- MCR iteration 4 ---- [2020-04-18 11:36:42,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:36:42,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1314893868, now seen corresponding path program 6 times [2020-04-18 11:36:42,534 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:36:42,534 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226291985] [2020-04-18 11:36:42,534 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:36:42,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:36:43,577 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 11:36:43,577 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226291985] [2020-04-18 11:36:43,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:36:43,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-04-18 11:36:43,578 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:36:43,581 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:36:43,589 INFO L259 McrAutomatonBuilder]: Finished intersection with 32 states and 40 transitions. [2020-04-18 11:36:43,589 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:36:43,818 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 7 times. [2020-04-18 11:36:43,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-04-18 11:36:43,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=429, Invalid=3353, Unknown=0, NotChecked=0, Total=3782 [2020-04-18 11:36:43,818 INFO L87 Difference]: Start difference. First operand 765 states and 1386 transitions. Second operand 15 states. [2020-04-18 11:36:47,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:36:47,330 INFO L93 Difference]: Finished difference Result 844 states and 1485 transitions. [2020-04-18 11:36:47,330 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1485 transitions. [2020-04-18 11:36:47,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-04-18 11:36:47,333 INFO L105 Mcr]: ---- MCR iteration 5 ---- [2020-04-18 11:36:47,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:36:47,333 INFO L82 PathProgramCache]: Analyzing trace with hash -761551564, now seen corresponding path program 7 times [2020-04-18 11:36:47,334 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:36:47,334 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876902825] [2020-04-18 11:36:47,334 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:36:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:36:48,368 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 11:36:48,368 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876902825] [2020-04-18 11:36:48,368 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:36:48,368 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-04-18 11:36:48,369 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:36:48,372 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:36:48,380 INFO L259 McrAutomatonBuilder]: Finished intersection with 34 states and 44 transitions. [2020-04-18 11:36:48,381 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:36:48,483 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-18 11:36:48,799 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 9 times. [2020-04-18 11:36:48,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-04-18 11:36:48,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=523, Invalid=4447, Unknown=0, NotChecked=0, Total=4970 [2020-04-18 11:36:48,800 INFO L87 Difference]: Start difference. First operand 844 states and 1485 transitions. Second operand 16 states. [2020-04-18 11:36:51,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:36:51,480 INFO L93 Difference]: Finished difference Result 855 states and 1493 transitions. [2020-04-18 11:36:51,480 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1493 transitions. [2020-04-18 11:36:51,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-04-18 11:36:51,482 INFO L105 Mcr]: ---- MCR iteration 6 ---- [2020-04-18 11:36:51,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:36:51,483 INFO L82 PathProgramCache]: Analyzing trace with hash 2063652278, now seen corresponding path program 8 times [2020-04-18 11:36:51,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:36:51,483 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404883405] [2020-04-18 11:36:51,483 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:36:51,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:36:51,602 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 11:36:51,603 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404883405] [2020-04-18 11:36:51,603 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:36:51,603 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 11:36:51,603 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:36:51,608 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:36:51,617 INFO L259 McrAutomatonBuilder]: Finished intersection with 32 states and 40 transitions. [2020-04-18 11:36:51,617 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:36:52,039 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-04-18 11:36:52,451 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 11:36:52,455 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 11:36:52,459 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 11:36:52,464 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 11:36:52,470 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 11:36:52,593 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-04-18 11:36:52,594 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:36:52,599 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 11:36:52,603 INFO L539 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-04-18 11:36:52,608 INFO L539 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-04-18 11:36:52,612 INFO L539 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-04-18 11:36:52,616 INFO L539 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-04-18 11:36:52,707 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:36:52,708 INFO L539 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 5 dim-0 vars, and 5 xjuncts. [2020-04-18 11:36:52,709 INFO L239 ElimStorePlain]: Needed 11 recursive calls to eliminate 7 variables, input treesize:246, output treesize:86 [2020-04-18 11:36:52,709 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 6 times. [2020-04-18 11:36:52,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-04-18 11:36:52,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=571, Invalid=5129, Unknown=0, NotChecked=0, Total=5700 [2020-04-18 11:36:52,710 INFO L87 Difference]: Start difference. First operand 855 states and 1493 transitions. Second operand 8 states. [2020-04-18 11:36:52,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:36:52,906 INFO L93 Difference]: Finished difference Result 864 states and 1501 transitions. [2020-04-18 11:36:52,906 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1501 transitions. [2020-04-18 11:36:52,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-04-18 11:36:52,908 INFO L105 Mcr]: ---- MCR iteration 7 ---- [2020-04-18 11:36:52,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:36:52,908 INFO L82 PathProgramCache]: Analyzing trace with hash -552633476, now seen corresponding path program 9 times [2020-04-18 11:36:52,908 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:36:52,908 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33966] [2020-04-18 11:36:52,909 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:36:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:36:53,369 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-04-18 11:36:53,518 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 22 [2020-04-18 11:36:53,668 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-04-18 11:36:54,137 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 11:36:54,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33966] [2020-04-18 11:36:54,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:36:54,138 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-04-18 11:36:54,138 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:36:54,145 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:36:54,151 INFO L259 McrAutomatonBuilder]: Finished intersection with 30 states and 36 transitions. [2020-04-18 11:36:54,152 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:36:54,971 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 8 terms [2020-04-18 11:36:55,351 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-04-18 11:36:55,622 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-04-18 11:36:55,640 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 11:36:55,646 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 11:36:55,659 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 11:36:55,664 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 11:36:55,670 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 11:36:55,675 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 11:36:55,680 INFO L539 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-04-18 11:36:55,685 INFO L539 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-04-18 11:36:55,887 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-04-18 11:36:55,887 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:36:55,892 INFO L539 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-04-18 11:36:55,899 INFO L539 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-04-18 11:36:55,904 INFO L539 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-04-18 11:36:55,908 INFO L539 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-04-18 11:36:55,914 INFO L539 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2020-04-18 11:36:55,921 INFO L539 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2020-04-18 11:36:55,926 INFO L539 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2020-04-18 11:36:55,931 INFO L539 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2020-04-18 11:36:56,083 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-04-18 11:36:56,084 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:36:56,086 INFO L539 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-2 vars, End of recursive call: 7 dim-0 vars, and 8 xjuncts. [2020-04-18 11:36:56,087 INFO L239 ElimStorePlain]: Needed 17 recursive calls to eliminate 9 variables, input treesize:405, output treesize:149 [2020-04-18 11:36:56,554 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-04-18 11:36:56,555 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 4 times. [2020-04-18 11:36:56,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-04-18 11:36:56,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=646, Invalid=6664, Unknown=0, NotChecked=0, Total=7310 [2020-04-18 11:36:56,556 INFO L87 Difference]: Start difference. First operand 864 states and 1501 transitions. Second operand 17 states. [2020-04-18 11:36:57,360 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 49 [2020-04-18 11:36:58,205 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 33 [2020-04-18 11:36:58,979 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 53 [2020-04-18 11:36:59,435 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 35 [2020-04-18 11:36:59,763 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 55 [2020-04-18 11:37:01,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:37:01,675 INFO L93 Difference]: Finished difference Result 994 states and 1711 transitions. [2020-04-18 11:37:01,675 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1711 transitions. [2020-04-18 11:37:01,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-04-18 11:37:01,676 INFO L105 Mcr]: ---- MCR iteration 8 ---- [2020-04-18 11:37:01,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:37:01,677 INFO L82 PathProgramCache]: Analyzing trace with hash 779226054, now seen corresponding path program 10 times [2020-04-18 11:37:01,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:37:01,677 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945229188] [2020-04-18 11:37:01,677 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:37:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:37:02,399 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2020-04-18 11:37:03,065 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 11:37:03,065 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945229188] [2020-04-18 11:37:03,065 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:37:03,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-04-18 11:37:03,066 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:37:03,070 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:37:03,080 INFO L259 McrAutomatonBuilder]: Finished intersection with 34 states and 44 transitions. [2020-04-18 11:37:03,080 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:37:03,714 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:03,720 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:03,724 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:03,728 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:03,733 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:03,744 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:03,748 INFO L539 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:03,838 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:37:03,842 INFO L539 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:03,845 INFO L539 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:03,849 INFO L539 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:03,860 INFO L539 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:03,865 INFO L539 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:03,870 INFO L539 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:03,874 INFO L539 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:03,909 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:37:03,910 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 7 xjuncts. [2020-04-18 11:37:03,910 INFO L239 ElimStorePlain]: Needed 15 recursive calls to eliminate 2 variables, input treesize:278, output treesize:47 [2020-04-18 11:37:04,167 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 6 times. [2020-04-18 11:37:04,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-04-18 11:37:04,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=749, Invalid=8563, Unknown=0, NotChecked=0, Total=9312 [2020-04-18 11:37:04,169 INFO L87 Difference]: Start difference. First operand 994 states and 1711 transitions. Second operand 16 states. [2020-04-18 11:37:06,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:37:06,827 INFO L93 Difference]: Finished difference Result 1257 states and 2149 transitions. [2020-04-18 11:37:06,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 2149 transitions. [2020-04-18 11:37:06,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-04-18 11:37:06,829 INFO L105 Mcr]: ---- MCR iteration 9 ---- [2020-04-18 11:37:06,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:37:06,829 INFO L82 PathProgramCache]: Analyzing trace with hash 571806310, now seen corresponding path program 11 times [2020-04-18 11:37:06,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:37:06,830 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969444143] [2020-04-18 11:37:06,830 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:37:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:37:07,221 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 27 [2020-04-18 11:37:07,564 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2020-04-18 11:37:08,042 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 11:37:08,043 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969444143] [2020-04-18 11:37:08,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:37:08,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-04-18 11:37:08,043 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:37:08,046 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:37:08,055 INFO L259 McrAutomatonBuilder]: Finished intersection with 40 states and 56 transitions. [2020-04-18 11:37:08,055 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:37:08,320 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2020-04-18 11:37:08,552 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2020-04-18 11:37:09,456 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-04-18 11:37:09,466 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:09,472 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:09,477 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:09,483 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:09,489 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:09,495 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:09,499 INFO L539 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:09,608 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-04-18 11:37:09,609 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:37:09,613 INFO L539 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:09,617 INFO L539 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:09,622 INFO L539 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:09,627 INFO L539 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:09,632 INFO L539 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:09,636 INFO L539 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:09,640 INFO L539 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:09,674 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:37:09,674 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 7 xjuncts. [2020-04-18 11:37:09,675 INFO L239 ElimStorePlain]: Needed 15 recursive calls to eliminate 2 variables, input treesize:278, output treesize:47 [2020-04-18 11:37:09,677 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 12 times. [2020-04-18 11:37:09,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-04-18 11:37:09,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=859, Invalid=9853, Unknown=0, NotChecked=0, Total=10712 [2020-04-18 11:37:09,679 INFO L87 Difference]: Start difference. First operand 1257 states and 2149 transitions. Second operand 19 states. [2020-04-18 11:37:11,200 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 49 [2020-04-18 11:37:12,473 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 34 [2020-04-18 11:37:13,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:37:13,494 INFO L93 Difference]: Finished difference Result 1393 states and 2385 transitions. [2020-04-18 11:37:13,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 2385 transitions. [2020-04-18 11:37:13,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-04-18 11:37:13,496 INFO L105 Mcr]: ---- MCR iteration 10 ---- [2020-04-18 11:37:13,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:37:13,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1877323498, now seen corresponding path program 12 times [2020-04-18 11:37:13,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:37:13,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504569946] [2020-04-18 11:37:13,497 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:37:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:37:14,705 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 11:37:14,705 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504569946] [2020-04-18 11:37:14,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:37:14,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-04-18 11:37:14,706 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:37:14,709 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:37:14,718 INFO L259 McrAutomatonBuilder]: Finished intersection with 39 states and 54 transitions. [2020-04-18 11:37:14,718 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:37:15,507 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:15,511 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:15,516 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:15,525 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:15,534 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:15,538 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:15,542 INFO L539 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:15,632 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:37:15,637 INFO L539 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:15,640 INFO L539 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:15,645 INFO L539 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:15,648 INFO L539 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:15,653 INFO L539 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:15,657 INFO L539 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:15,660 INFO L539 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:15,691 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:37:15,691 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 7 xjuncts. [2020-04-18 11:37:15,691 INFO L239 ElimStorePlain]: Needed 15 recursive calls to eliminate 2 variables, input treesize:278, output treesize:47 [2020-04-18 11:37:15,691 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 12 times. [2020-04-18 11:37:15,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-04-18 11:37:15,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=945, Invalid=10827, Unknown=0, NotChecked=0, Total=11772 [2020-04-18 11:37:15,693 INFO L87 Difference]: Start difference. First operand 1393 states and 2385 transitions. Second operand 16 states. [2020-04-18 11:37:18,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:37:18,733 INFO L93 Difference]: Finished difference Result 1542 states and 2590 transitions. [2020-04-18 11:37:18,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2590 transitions. [2020-04-18 11:37:18,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-04-18 11:37:18,736 INFO L105 Mcr]: ---- MCR iteration 11 ---- [2020-04-18 11:37:18,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:37:18,736 INFO L82 PathProgramCache]: Analyzing trace with hash 280732566, now seen corresponding path program 13 times [2020-04-18 11:37:18,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:37:18,737 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098236522] [2020-04-18 11:37:18,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:37:18,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:37:19,904 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 11:37:19,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098236522] [2020-04-18 11:37:19,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:37:19,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-04-18 11:37:19,905 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:37:19,908 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:37:19,918 INFO L259 McrAutomatonBuilder]: Finished intersection with 43 states and 62 transitions. [2020-04-18 11:37:19,918 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:37:21,436 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:21,441 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:21,444 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:21,448 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:21,451 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:21,457 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:21,462 INFO L539 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:21,468 INFO L539 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:21,471 INFO L539 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:21,585 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-04-18 11:37:21,585 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:37:21,590 INFO L539 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:21,596 INFO L539 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:21,601 INFO L539 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:21,605 INFO L539 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:21,608 INFO L539 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:21,611 INFO L539 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:21,616 INFO L539 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:21,619 INFO L539 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:21,623 INFO L539 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:21,660 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:37:21,660 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 9 xjuncts. [2020-04-18 11:37:21,660 INFO L239 ElimStorePlain]: Needed 19 recursive calls to eliminate 2 variables, input treesize:351, output treesize:54 [2020-04-18 11:37:21,851 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 14 times. [2020-04-18 11:37:21,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-04-18 11:37:21,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1053, Invalid=13953, Unknown=0, NotChecked=0, Total=15006 [2020-04-18 11:37:21,853 INFO L87 Difference]: Start difference. First operand 1542 states and 2590 transitions. Second operand 15 states. [2020-04-18 11:37:23,539 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-04-18 11:37:24,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:37:24,720 INFO L93 Difference]: Finished difference Result 1599 states and 2659 transitions. [2020-04-18 11:37:24,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 2659 transitions. [2020-04-18 11:37:24,723 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:37:24,724 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [2020671962] [2020-04-18 11:37:24,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 11:37:24,724 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-04-18 11:37:24,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [2020671962] [2020-04-18 11:37:24,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 68 states [2020-04-18 11:37:24,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 11:37:24,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2020-04-18 11:37:24,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1151, Invalid=15361, Unknown=0, NotChecked=0, Total=16512 [2020-04-18 11:37:24,726 INFO L87 Difference]: Start difference. First operand 96 states and 161 transitions. Second operand 68 states. [2020-04-18 11:37:26,135 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 43 [2020-04-18 11:37:27,318 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 44 [2020-04-18 11:37:28,145 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2020-04-18 11:37:28,416 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2020-04-18 11:37:28,721 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 46 [2020-04-18 11:37:29,228 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2020-04-18 11:37:29,455 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2020-04-18 11:37:29,960 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 45 [2020-04-18 11:37:30,954 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 44 [2020-04-18 11:37:31,151 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 42 [2020-04-18 11:37:31,482 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 42 [2020-04-18 11:37:31,732 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 43 [2020-04-18 11:37:32,382 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 42 [2020-04-18 11:37:32,631 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 46 [2020-04-18 11:37:32,844 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 44 [2020-04-18 11:37:33,192 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 44 [2020-04-18 11:37:33,816 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 42 [2020-04-18 11:37:34,158 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 44 [2020-04-18 11:37:34,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:37:34,844 INFO L93 Difference]: Finished difference Result 100 states and 165 transitions. [2020-04-18 11:37:34,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-04-18 11:37:34,844 INFO L78 Accepts]: Start accepts. Automaton has 68 states. Word has length 22 [2020-04-18 11:37:34,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 11:37:34,845 INFO L225 Difference]: With dead ends: 100 [2020-04-18 11:37:34,845 INFO L226 Difference]: Without dead ends: 100 [2020-04-18 11:37:34,846 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 468 GetRequests, 281 SyntacticMatches, 27 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12898 ImplicationChecksByTransitivity, 24.1s TimeCoverageRelationStatistics Valid=2007, Invalid=24075, Unknown=0, NotChecked=0, Total=26082 [2020-04-18 11:37:34,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-04-18 11:37:34,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 95. [2020-04-18 11:37:34,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-04-18 11:37:34,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 160 transitions. [2020-04-18 11:37:34,849 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 160 transitions. Word has length 22 [2020-04-18 11:37:34,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 11:37:34,849 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 160 transitions. [2020-04-18 11:37:34,849 INFO L480 AbstractCegarLoop]: Interpolant automaton has 68 states. [2020-04-18 11:37:34,849 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 160 transitions. [2020-04-18 11:37:34,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-04-18 11:37:34,850 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:37:34,850 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] [2020-04-18 11:37:34,850 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 11:37:34,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:37:34,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1309120544, now seen corresponding path program 1 times [2020-04-18 11:37:34,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:37:34,850 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1087952886] [2020-04-18 11:37:34,851 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:37:34,852 INFO L259 McrAutomatonBuilder]: Finished intersection with 143 states and 312 transitions. [2020-04-18 11:37:34,853 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2020-04-18 11:37:34,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-04-18 11:37:34,854 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:37:34,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:37:34,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1309120544, now seen corresponding path program 2 times [2020-04-18 11:37:34,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:37:34,854 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133840134] [2020-04-18 11:37:34,854 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:37:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:37:35,401 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 11:37:35,402 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133840134] [2020-04-18 11:37:35,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:37:35,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-04-18 11:37:35,403 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:37:35,406 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:37:35,411 INFO L259 McrAutomatonBuilder]: Finished intersection with 25 states and 26 transitions. [2020-04-18 11:37:35,412 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:37:35,662 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 2 times. [2020-04-18 11:37:35,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-04-18 11:37:35,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-04-18 11:37:35,662 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 11 states. [2020-04-18 11:37:37,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:37:37,133 INFO L93 Difference]: Finished difference Result 262 states and 561 transitions. [2020-04-18 11:37:37,133 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 561 transitions. [2020-04-18 11:37:37,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-04-18 11:37:37,134 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 11:37:37,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:37:37,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1455400276, now seen corresponding path program 3 times [2020-04-18 11:37:37,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:37:37,135 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483807883] [2020-04-18 11:37:37,135 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:37:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:37:37,520 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 11:37:37,520 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483807883] [2020-04-18 11:37:37,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:37:37,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 11:37:37,521 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:37:37,525 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:37:37,532 INFO L259 McrAutomatonBuilder]: Finished intersection with 31 states and 38 transitions. [2020-04-18 11:37:37,532 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:37:37,652 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 3 times. [2020-04-18 11:37:37,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-04-18 11:37:37,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-04-18 11:37:37,653 INFO L87 Difference]: Start difference. First operand 262 states and 561 transitions. Second operand 10 states. [2020-04-18 11:37:38,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:37:38,780 INFO L93 Difference]: Finished difference Result 330 states and 679 transitions. [2020-04-18 11:37:38,781 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 679 transitions. [2020-04-18 11:37:38,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-04-18 11:37:38,782 INFO L105 Mcr]: ---- MCR iteration 2 ---- [2020-04-18 11:37:38,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:37:38,782 INFO L82 PathProgramCache]: Analyzing trace with hash -2036296306, now seen corresponding path program 4 times [2020-04-18 11:37:38,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:37:38,783 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935660632] [2020-04-18 11:37:38,783 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:37:38,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:37:39,370 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2020-04-18 11:37:39,575 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 11:37:39,575 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935660632] [2020-04-18 11:37:39,575 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:37:39,575 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-04-18 11:37:39,576 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:37:39,579 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:37:39,614 INFO L259 McrAutomatonBuilder]: Finished intersection with 31 states and 38 transitions. [2020-04-18 11:37:39,614 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:37:39,903 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:39,916 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:39,920 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:39,924 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:39,928 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:39,932 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:40,002 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:37:40,007 INFO L539 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:40,010 INFO L539 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:40,013 INFO L539 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:40,015 INFO L539 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:40,024 INFO L539 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:40,027 INFO L539 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-04-18 11:37:40,049 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:37:40,049 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 6 xjuncts. [2020-04-18 11:37:40,049 INFO L239 ElimStorePlain]: Needed 13 recursive calls to eliminate 2 variables, input treesize:221, output treesize:23 [2020-04-18 11:37:40,050 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 6 times. [2020-04-18 11:37:40,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-04-18 11:37:40,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=676, Unknown=0, NotChecked=0, Total=870 [2020-04-18 11:37:40,050 INFO L87 Difference]: Start difference. First operand 330 states and 679 transitions. Second operand 11 states. [2020-04-18 11:37:40,815 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 38 [2020-04-18 11:37:41,352 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2020-04-18 11:37:42,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:37:42,510 INFO L93 Difference]: Finished difference Result 534 states and 976 transitions. [2020-04-18 11:37:42,510 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 976 transitions. [2020-04-18 11:37:42,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-04-18 11:37:42,511 INFO L105 Mcr]: ---- MCR iteration 3 ---- [2020-04-18 11:37:42,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:37:42,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1930461670, now seen corresponding path program 5 times [2020-04-18 11:37:42,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:37:42,511 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746725574] [2020-04-18 11:37:42,511 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:37:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:37:42,936 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 11:37:42,936 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746725574] [2020-04-18 11:37:42,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:37:42,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 11:37:42,937 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:37:42,941 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:37:42,947 INFO L259 McrAutomatonBuilder]: Finished intersection with 30 states and 36 transitions. [2020-04-18 11:37:42,948 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:37:43,049 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 1 times. [2020-04-18 11:37:43,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-04-18 11:37:43,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=330, Invalid=1152, Unknown=0, NotChecked=0, Total=1482 [2020-04-18 11:37:43,050 INFO L87 Difference]: Start difference. First operand 534 states and 976 transitions. Second operand 9 states. [2020-04-18 11:37:43,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:37:43,732 INFO L93 Difference]: Finished difference Result 708 states and 1253 transitions. [2020-04-18 11:37:43,732 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 1253 transitions. [2020-04-18 11:37:43,733 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:37:43,733 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1087952886] [2020-04-18 11:37:43,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 11:37:43,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-04-18 11:37:43,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1087952886] [2020-04-18 11:37:43,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-04-18 11:37:43,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 11:37:43,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-04-18 11:37:43,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=365, Invalid=1275, Unknown=0, NotChecked=0, Total=1640 [2020-04-18 11:37:43,735 INFO L87 Difference]: Start difference. First operand 95 states and 160 transitions. Second operand 20 states. [2020-04-18 11:37:44,460 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-04-18 11:37:44,733 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2020-04-18 11:37:45,298 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-04-18 11:37:45,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:37:45,776 INFO L93 Difference]: Finished difference Result 111 states and 175 transitions. [2020-04-18 11:37:45,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-04-18 11:37:45,777 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 22 [2020-04-18 11:37:45,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 11:37:45,777 INFO L225 Difference]: With dead ends: 111 [2020-04-18 11:37:45,778 INFO L226 Difference]: Without dead ends: 0 [2020-04-18 11:37:45,778 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 89 SyntacticMatches, 24 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1164 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=498, Invalid=1758, Unknown=0, NotChecked=0, Total=2256 [2020-04-18 11:37:45,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-04-18 11:37:45,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-04-18 11:37:45,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-04-18 11:37:45,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-04-18 11:37:45,779 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2020-04-18 11:37:45,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 11:37:45,779 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-04-18 11:37:45,779 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-04-18 11:37:45,780 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-04-18 11:37:45,780 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:37:45,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 11:37:45 BasicIcfg [2020-04-18 11:37:45,783 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 11:37:45,784 INFO L168 Benchmark]: Toolchain (without parser) took 232365.68 ms. Allocated memory was 137.4 MB in the beginning and 413.1 MB in the end (delta: 275.8 MB). Free memory was 98.3 MB in the beginning and 70.0 MB in the end (delta: 28.4 MB). Peak memory consumption was 304.1 MB. Max. memory is 7.1 GB. [2020-04-18 11:37:45,785 INFO L168 Benchmark]: CDTParser took 1.46 ms. Allocated memory is still 137.4 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-04-18 11:37:45,785 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1398.02 ms. Allocated memory was 137.4 MB in the beginning and 232.8 MB in the end (delta: 95.4 MB). Free memory was 96.5 MB in the beginning and 169.5 MB in the end (delta: -72.9 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. [2020-04-18 11:37:45,785 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.26 ms. Allocated memory is still 232.8 MB. Free memory was 169.5 MB in the beginning and 165.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-04-18 11:37:45,786 INFO L168 Benchmark]: Boogie Preprocessor took 83.46 ms. Allocated memory is still 232.8 MB. Free memory was 165.0 MB in the beginning and 162.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-04-18 11:37:45,786 INFO L168 Benchmark]: RCFGBuilder took 853.74 ms. Allocated memory is still 232.8 MB. Free memory was 162.0 MB in the beginning and 114.6 MB in the end (delta: 47.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 7.1 GB. [2020-04-18 11:37:45,786 INFO L168 Benchmark]: TraceAbstraction took 229901.50 ms. Allocated memory was 232.8 MB in the beginning and 413.1 MB in the end (delta: 180.4 MB). Free memory was 114.6 MB in the beginning and 70.0 MB in the end (delta: 44.7 MB). Peak memory consumption was 225.0 MB. Max. memory is 7.1 GB. [2020-04-18 11:37:45,788 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.46 ms. Allocated memory is still 137.4 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1398.02 ms. Allocated memory was 137.4 MB in the beginning and 232.8 MB in the end (delta: 95.4 MB). Free memory was 96.5 MB in the beginning and 169.5 MB in the end (delta: -72.9 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 101.26 ms. Allocated memory is still 232.8 MB. Free memory was 169.5 MB in the beginning and 165.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.46 ms. Allocated memory is still 232.8 MB. Free memory was 165.0 MB in the beginning and 162.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 853.74 ms. Allocated memory is still 232.8 MB. Free memory was 162.0 MB in the beginning and 114.6 MB in the end (delta: 47.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 229901.50 ms. Allocated memory was 232.8 MB in the beginning and 413.1 MB in the end (delta: 180.4 MB). Free memory was 114.6 MB in the beginning and 70.0 MB in the end (delta: 44.7 MB). Peak memory consumption was 225.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 65.2s, 150 ProgramPointsBefore, 40 ProgramPointsAfterwards, 154 TransitionsBefore, 38 TransitionsAfterwards, 2652 CoEnabledTransitionPairs, 8 FixpointIterations, 90 TrivialSequentialCompositions, 51 ConcurrentSequentialCompositions, 11 TrivialYvCompositions, 16 ConcurrentYvCompositions, 6 ChoiceCompositions, 1406 VarBasedMoverChecksPositive, 43 VarBasedMoverChecksNegative, 10 SemBasedMoverChecksPositive, 32 SemBasedMoverChecksNegative, 24 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 53.8s, 0 MoverChecksTotal, 5194 CheckedPairsTotal, 168 TotalNumberOfCompositions - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 130 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 229.7s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 33.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 65.2s, HoareTripleCheckerStatistics: 201 SDtfs, 700 SDslu, 848 SDs, 0 SdLazy, 4350 SolverSat, 707 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1046 GetRequests, 572 SyntacticMatches, 61 SemanticMatches, 413 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31055 ImplicationChecksByTransitivity, 72.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=450occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 203 StatesRemovedByMinimization, 4 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...