/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/pthread-divine/ring_2w1r-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 11:40:14,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 11:40:14,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 11:40:14,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 11:40:14,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 11:40:14,075 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 11:40:14,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 11:40:14,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 11:40:14,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 11:40:14,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 11:40:14,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 11:40:14,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 11:40:14,083 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 11:40:14,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 11:40:14,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 11:40:14,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 11:40:14,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 11:40:14,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 11:40:14,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 11:40:14,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 11:40:14,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 11:40:14,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 11:40:14,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 11:40:14,096 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 11:40:14,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 11:40:14,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 11:40:14,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 11:40:14,100 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 11:40:14,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 11:40:14,103 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 11:40:14,103 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 11:40:14,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 11:40:14,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 11:40:14,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 11:40:14,108 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 11:40:14,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 11:40:14,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 11:40:14,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 11:40:14,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 11:40:14,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 11:40:14,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 11:40:14,115 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 11:40:14,141 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 11:40:14,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 11:40:14,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 11:40:14,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 11:40:14,143 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 11:40:14,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 11:40:14,144 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 11:40:14,144 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 11:40:14,144 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 11:40:14,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 11:40:14,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 11:40:14,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 11:40:14,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 11:40:14,146 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 11:40:14,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 11:40:14,147 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 11:40:14,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 11:40:14,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 11:40:14,147 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 11:40:14,147 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 11:40:14,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 11:40:14,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 11:40:14,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 11:40:14,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 11:40:14,148 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 11:40:14,149 INFO L138 SettingsManager]: * Trace refinement strategy=MCR [2020-04-18 11:40:14,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 11:40:14,149 INFO L138 SettingsManager]: * Trace refinement strategy used in MCR=CAMEL [2020-04-18 11:40:14,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 11:40:14,149 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 11:40:14,437 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 11:40:14,457 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 11:40:14,460 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 11:40:14,462 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 11:40:14,462 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 11:40:14,463 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i [2020-04-18 11:40:14,537 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/403a53fd8/5129969e583a4a9395e84223b5868770/FLAGfa51d9265 [2020-04-18 11:40:15,109 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 11:40:15,109 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i [2020-04-18 11:40:15,130 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/403a53fd8/5129969e583a4a9395e84223b5868770/FLAGfa51d9265 [2020-04-18 11:40:15,336 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/403a53fd8/5129969e583a4a9395e84223b5868770 [2020-04-18 11:40:15,350 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 11:40:15,368 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 11:40:15,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 11:40:15,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 11:40:15,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 11:40:15,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 11:40:15" (1/1) ... [2020-04-18 11:40:15,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e4373a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:40:15, skipping insertion in model container [2020-04-18 11:40:15,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 11:40:15" (1/1) ... [2020-04-18 11:40:15,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 11:40:15,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 11:40:15,648 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-04-18 11:40:16,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 11:40:16,049 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 11:40:16,064 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-04-18 11:40:16,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 11:40:16,326 INFO L208 MainTranslator]: Completed translation [2020-04-18 11:40:16,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:40:16 WrapperNode [2020-04-18 11:40:16,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 11:40:16,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 11:40:16,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 11:40:16,329 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 11:40:16,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:40:16" (1/1) ... [2020-04-18 11:40:16,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:40:16" (1/1) ... [2020-04-18 11:40:16,415 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 11:40:16,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 11:40:16,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 11:40:16,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 11:40:16,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:40:16" (1/1) ... [2020-04-18 11:40:16,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:40:16" (1/1) ... [2020-04-18 11:40:16,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:40:16" (1/1) ... [2020-04-18 11:40:16,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:40:16" (1/1) ... [2020-04-18 11:40:16,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:40:16" (1/1) ... [2020-04-18 11:40:16,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:40:16" (1/1) ... [2020-04-18 11:40:16,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:40:16" (1/1) ... [2020-04-18 11:40:16,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 11:40:16,493 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 11:40:16,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 11:40:16,494 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 11:40:16,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:40:16" (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 11:40:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure reader_two [2020-04-18 11:40:16,565 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_two [2020-04-18 11:40:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure writer_fn [2020-04-18 11:40:16,565 INFO L138 BoogieDeclarations]: Found implementation of procedure writer_fn [2020-04-18 11:40:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 11:40:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 11:40:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-18 11:40:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 11:40:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-04-18 11:40:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 11:40:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 11:40:16,569 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 11:40:17,265 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 11:40:17,265 INFO L295 CfgBuilder]: Removed 22 assume(true) statements. [2020-04-18 11:40:17,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 11:40:17 BoogieIcfgContainer [2020-04-18 11:40:17,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 11:40:17,271 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 11:40:17,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 11:40:17,274 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 11:40:17,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 11:40:15" (1/3) ... [2020-04-18 11:40:17,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eda06cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 11:40:17, skipping insertion in model container [2020-04-18 11:40:17,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:40:16" (2/3) ... [2020-04-18 11:40:17,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eda06cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 11:40:17, skipping insertion in model container [2020-04-18 11:40:17,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 11:40:17" (3/3) ... [2020-04-18 11:40:17,278 INFO L109 eAbstractionObserver]: Analyzing ICFG ring_2w1r-2.i [2020-04-18 11:40:17,287 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 11:40:17,287 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 11:40:17,293 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-04-18 11:40:17,294 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 11:40:17,329 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,330 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,330 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,330 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,331 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,331 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,331 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,331 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,331 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,331 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,332 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,332 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,332 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,332 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,333 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,333 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,333 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,333 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,333 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,334 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,334 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,334 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,334 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,334 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,335 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,335 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,335 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,335 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,336 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,336 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,336 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,336 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,336 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,337 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,337 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,337 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,337 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,337 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,338 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,338 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,338 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,338 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,338 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,339 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,339 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,339 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,339 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,339 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,340 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,340 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,340 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,340 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,340 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,340 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,341 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,341 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,341 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,341 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,342 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,342 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,342 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,342 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,342 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,343 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,343 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,343 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,343 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,343 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,344 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,344 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,344 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,344 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,344 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,344 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,345 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,345 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,345 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,345 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,345 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,346 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,346 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,346 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,346 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,346 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,347 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,347 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,347 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,347 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,347 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,348 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,348 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,348 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,348 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,348 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,348 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,349 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,349 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,349 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,349 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,350 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,350 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,350 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,350 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,350 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,351 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,351 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,351 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,351 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,352 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,352 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,352 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,352 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,352 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,353 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,353 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,353 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,353 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,353 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,354 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,354 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,354 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,354 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,354 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,355 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,355 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,355 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,355 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,355 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,355 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,356 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,356 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,356 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,356 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,356 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,357 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,357 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,357 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,357 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,357 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,358 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,358 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,358 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,358 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,358 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,359 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,359 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,359 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,359 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,359 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,359 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,360 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,360 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,360 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,361 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,361 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,361 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,361 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,361 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,361 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,362 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,362 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,362 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,362 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,362 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,363 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,363 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,363 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,363 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,363 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,363 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,364 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,364 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,364 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,364 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,364 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,364 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,365 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,365 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,365 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,365 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,365 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,366 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,366 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,366 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,366 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,366 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,367 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,367 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,367 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,367 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,367 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,367 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,368 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,368 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,368 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,368 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,368 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,368 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,369 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,369 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,369 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,369 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,369 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,370 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,370 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,370 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,370 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,370 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,371 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,371 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,371 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,371 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,371 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,371 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#t~pre16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,372 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,372 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,372 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#t~pre16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,376 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,376 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,376 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,376 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#t~pre16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,377 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,377 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,377 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,377 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,377 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,378 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,378 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,378 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,378 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,378 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,379 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,379 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,379 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,379 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,385 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,385 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,385 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,386 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,386 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,386 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,386 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,386 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,387 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,387 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,387 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,387 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,387 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,388 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,388 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,388 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,388 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,388 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,388 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,389 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,389 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,389 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,389 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,389 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,390 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,390 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,390 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,390 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,390 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,391 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,391 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,391 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,391 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,391 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,392 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:40:17,416 INFO L251 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2020-04-18 11:40:17,433 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 11:40:17,433 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 11:40:17,433 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 11:40:17,433 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 11:40:17,434 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 11:40:17,434 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 11:40:17,434 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 11:40:17,434 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 11:40:17,454 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 177 places, 189 transitions, 400 flow [2020-04-18 11:40:17,456 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 177 places, 189 transitions, 400 flow [2020-04-18 11:40:17,535 INFO L129 PetriNetUnfolder]: 18/189 cut-off events. [2020-04-18 11:40:17,536 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-04-18 11:40:17,544 INFO L80 FinitePrefix]: Finished finitePrefix Result has 200 conditions, 189 events. 18/189 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 443 event pairs, 0 based on Foata normal form. 0/168 useless extension candidates. Maximal degree in co-relation 163. Up to 3 conditions per place. [2020-04-18 11:40:17,557 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 177 places, 189 transitions, 400 flow [2020-04-18 11:40:17,607 INFO L129 PetriNetUnfolder]: 18/189 cut-off events. [2020-04-18 11:40:17,607 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-04-18 11:40:17,610 INFO L80 FinitePrefix]: Finished finitePrefix Result has 200 conditions, 189 events. 18/189 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 443 event pairs, 0 based on Foata normal form. 0/168 useless extension candidates. Maximal degree in co-relation 163. Up to 3 conditions per place. [2020-04-18 11:40:17,626 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 15102 [2020-04-18 11:40:17,628 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-04-18 11:40:18,114 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 11:40:18,471 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 11:40:18,473 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 11:40:18,475 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 11:40:18,485 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 11:40:18,767 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 11:40:18,942 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 11:40:20,397 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 11:40:20,398 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 11:40:20,399 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 11:40:20,407 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 11:40:20,408 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 11:40:20,409 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 11:40:21,569 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2020-04-18 11:40:22,109 INFO L206 etLargeBlockEncoding]: Checked pairs total: 20924 [2020-04-18 11:40:22,110 INFO L214 etLargeBlockEncoding]: Total number of compositions: 153 [2020-04-18 11:40:22,114 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 59 places, 65 transitions, 152 flow [2020-04-18 11:40:22,240 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2182 states. [2020-04-18 11:40:22,242 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states. [2020-04-18 11:40:22,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-04-18 11:40:22,266 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:40:22,267 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 11:40:22,268 INFO L427 AbstractCegarLoop]: === Iteration 1 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 11:40:22,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:40:22,274 INFO L82 PathProgramCache]: Analyzing trace with hash -437483837, now seen corresponding path program 1 times [2020-04-18 11:40:22,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:40:22,282 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1333101345] [2020-04-18 11:40:22,298 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:40:22,311 INFO L259 McrAutomatonBuilder]: Finished intersection with 18 states and 17 transitions. [2020-04-18 11:40:22,313 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-04-18 11:40:22,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-04-18 11:40:22,314 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:40:22,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:40:22,314 INFO L82 PathProgramCache]: Analyzing trace with hash -437483837, now seen corresponding path program 2 times [2020-04-18 11:40:22,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:40:22,319 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701365843] [2020-04-18 11:40:22,319 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:40:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:40:22,738 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 11:40:22,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701365843] [2020-04-18 11:40:22,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:40:22,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-04-18 11:40:22,742 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:40:22,747 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:40:22,760 INFO L259 McrAutomatonBuilder]: Finished intersection with 18 states and 17 transitions. [2020-04-18 11:40:22,761 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:40:22,838 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 11:40:22,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 11:40:22,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 11:40:22,844 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 6 states. [2020-04-18 11:40:22,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:40:22,943 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2020-04-18 11:40:22,943 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2020-04-18 11:40:22,944 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:40:22,944 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1333101345] [2020-04-18 11:40:22,945 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 11:40:22,945 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-04-18 11:40:22,945 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1333101345] [2020-04-18 11:40:22,946 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 11:40:22,946 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 11:40:22,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 11:40:22,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-04-18 11:40:22,950 INFO L87 Difference]: Start difference. First operand 2182 states. Second operand 6 states. [2020-04-18 11:40:23,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:40:23,241 INFO L93 Difference]: Finished difference Result 2169 states and 6982 transitions. [2020-04-18 11:40:23,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-04-18 11:40:23,243 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-04-18 11:40:23,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 11:40:23,298 INFO L225 Difference]: With dead ends: 2169 [2020-04-18 11:40:23,298 INFO L226 Difference]: Without dead ends: 2053 [2020-04-18 11:40:23,300 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-04-18 11:40:23,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2053 states. [2020-04-18 11:40:23,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2053 to 2053. [2020-04-18 11:40:23,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2053 states. [2020-04-18 11:40:23,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2053 states to 2053 states and 6650 transitions. [2020-04-18 11:40:23,494 INFO L78 Accepts]: Start accepts. Automaton has 2053 states and 6650 transitions. Word has length 17 [2020-04-18 11:40:23,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 11:40:23,495 INFO L479 AbstractCegarLoop]: Abstraction has 2053 states and 6650 transitions. [2020-04-18 11:40:23,495 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 11:40:23,495 INFO L276 IsEmpty]: Start isEmpty. Operand 2053 states and 6650 transitions. [2020-04-18 11:40:23,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-04-18 11:40:23,501 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:40:23,501 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 11:40:23,502 INFO L427 AbstractCegarLoop]: === Iteration 2 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 11:40:23,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:40:23,502 INFO L82 PathProgramCache]: Analyzing trace with hash -357357885, now seen corresponding path program 1 times [2020-04-18 11:40:23,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:40:23,503 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1893300696] [2020-04-18 11:40:23,504 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:40:23,505 INFO L259 McrAutomatonBuilder]: Finished intersection with 34 states and 48 transitions. [2020-04-18 11:40:23,505 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2020-04-18 11:40:23,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-04-18 11:40:23,506 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:40:23,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:40:23,506 INFO L82 PathProgramCache]: Analyzing trace with hash -357357885, now seen corresponding path program 2 times [2020-04-18 11:40:23,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:40:23,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714592902] [2020-04-18 11:40:23,508 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:40:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:40:23,765 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 11:40:23,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714592902] [2020-04-18 11:40:23,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:40:23,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 11:40:23,769 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:40:23,773 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:40:23,777 INFO L259 McrAutomatonBuilder]: Finished intersection with 19 states and 18 transitions. [2020-04-18 11:40:23,777 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:40:23,845 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 11:40:23,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-18 11:40:23,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-04-18 11:40:23,846 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 7 states. [2020-04-18 11:40:24,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:40:24,043 INFO L93 Difference]: Finished difference Result 34 states and 48 transitions. [2020-04-18 11:40:24,043 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2020-04-18 11:40:24,043 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:40:24,044 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1893300696] [2020-04-18 11:40:24,044 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 11:40:24,044 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-04-18 11:40:24,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1893300696] [2020-04-18 11:40:24,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-04-18 11:40:24,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 11:40:24,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-18 11:40:24,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-04-18 11:40:24,050 INFO L87 Difference]: Start difference. First operand 2053 states and 6650 transitions. Second operand 7 states. [2020-04-18 11:40:24,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:40:24,549 INFO L93 Difference]: Finished difference Result 2588 states and 8385 transitions. [2020-04-18 11:40:24,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-04-18 11:40:24,549 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-04-18 11:40:24,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 11:40:24,572 INFO L225 Difference]: With dead ends: 2588 [2020-04-18 11:40:24,572 INFO L226 Difference]: Without dead ends: 2544 [2020-04-18 11:40:24,576 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-04-18 11:40:24,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2544 states. [2020-04-18 11:40:24,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2544 to 2544. [2020-04-18 11:40:24,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2544 states. [2020-04-18 11:40:24,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2544 states to 2544 states and 8286 transitions. [2020-04-18 11:40:24,674 INFO L78 Accepts]: Start accepts. Automaton has 2544 states and 8286 transitions. Word has length 18 [2020-04-18 11:40:24,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 11:40:24,674 INFO L479 AbstractCegarLoop]: Abstraction has 2544 states and 8286 transitions. [2020-04-18 11:40:24,675 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-04-18 11:40:24,675 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 8286 transitions. [2020-04-18 11:40:24,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-04-18 11:40:24,681 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:40:24,681 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 11:40:24,681 INFO L427 AbstractCegarLoop]: === Iteration 3 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 11:40:24,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:40:24,682 INFO L82 PathProgramCache]: Analyzing trace with hash -220223314, now seen corresponding path program 1 times [2020-04-18 11:40:24,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:40:24,683 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [2056401037] [2020-04-18 11:40:24,684 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:40:24,688 INFO L259 McrAutomatonBuilder]: Finished intersection with 146 states and 265 transitions. [2020-04-18 11:40:24,693 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2020-04-18 11:40:24,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-04-18 11:40:24,694 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:40:24,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:40:24,695 INFO L82 PathProgramCache]: Analyzing trace with hash -220223314, now seen corresponding path program 2 times [2020-04-18 11:40:24,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:40:24,695 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837284185] [2020-04-18 11:40:24,696 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:40:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:40:25,353 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 11:40:25,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837284185] [2020-04-18 11:40:25,354 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:40:25,354 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-04-18 11:40:25,354 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:40:25,360 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:40:25,380 INFO L259 McrAutomatonBuilder]: Finished intersection with 63 states and 99 transitions. [2020-04-18 11:40:25,380 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:40:26,446 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 15 times. [2020-04-18 11:40:26,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-04-18 11:40:26,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=627, Unknown=0, NotChecked=0, Total=756 [2020-04-18 11:40:26,448 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 28 states. [2020-04-18 11:40:27,770 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 45 [2020-04-18 11:40:30,141 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 53 [2020-04-18 11:40:30,545 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 63 [2020-04-18 11:40:30,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:40:30,949 INFO L93 Difference]: Finished difference Result 221 states and 399 transitions. [2020-04-18 11:40:30,949 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 399 transitions. [2020-04-18 11:40:30,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-04-18 11:40:30,950 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 11:40:30,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:40:30,950 INFO L82 PathProgramCache]: Analyzing trace with hash 907099404, now seen corresponding path program 3 times [2020-04-18 11:40:30,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:40:30,951 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530283987] [2020-04-18 11:40:30,951 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:40:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:40:31,444 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 11:40:31,444 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530283987] [2020-04-18 11:40:31,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:40:31,445 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-04-18 11:40:31,445 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:40:31,451 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:40:31,479 INFO L259 McrAutomatonBuilder]: Finished intersection with 81 states and 135 transitions. [2020-04-18 11:40:31,479 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:40:32,910 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 26 times. [2020-04-18 11:40:32,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2020-04-18 11:40:32,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=485, Invalid=2167, Unknown=0, NotChecked=0, Total=2652 [2020-04-18 11:40:32,914 INFO L87 Difference]: Start difference. First operand 221 states and 399 transitions. Second operand 39 states. [2020-04-18 11:40:34,425 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 77 [2020-04-18 11:40:35,019 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 80 [2020-04-18 11:40:35,522 WARN L192 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 119 [2020-04-18 11:40:36,506 WARN L192 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 125 [2020-04-18 11:40:37,076 WARN L192 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 115 [2020-04-18 11:40:37,735 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 125 [2020-04-18 11:40:38,363 WARN L192 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2020-04-18 11:40:38,907 WARN L192 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 111 [2020-04-18 11:40:40,068 WARN L192 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 169 [2020-04-18 11:40:41,000 WARN L192 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 117 [2020-04-18 11:40:41,467 WARN L192 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 107 [2020-04-18 11:40:42,379 WARN L192 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 165 [2020-04-18 11:40:43,336 WARN L192 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 113 [2020-04-18 11:40:43,851 WARN L192 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 103 [2020-04-18 11:40:44,756 WARN L192 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 161 [2020-04-18 11:40:45,635 WARN L192 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 109 [2020-04-18 11:40:46,090 WARN L192 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 99 [2020-04-18 11:40:47,291 WARN L192 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 159 [2020-04-18 11:40:47,995 WARN L192 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 105 [2020-04-18 11:40:48,418 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 95 [2020-04-18 11:40:49,536 WARN L192 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 153 [2020-04-18 11:40:50,157 WARN L192 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 101 [2020-04-18 11:40:51,342 WARN L192 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 149 [2020-04-18 11:40:52,516 WARN L192 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 147 [2020-04-18 11:40:53,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:40:53,652 INFO L93 Difference]: Finished difference Result 264 states and 469 transitions. [2020-04-18 11:40:53,652 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 469 transitions. [2020-04-18 11:40:53,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-04-18 11:40:53,654 INFO L105 Mcr]: ---- MCR iteration 2 ---- [2020-04-18 11:40:53,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:40:53,654 INFO L82 PathProgramCache]: Analyzing trace with hash 356628326, now seen corresponding path program 4 times [2020-04-18 11:40:53,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:40:53,655 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284158281] [2020-04-18 11:40:53,655 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:40:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:40:54,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 11:40:54,188 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284158281] [2020-04-18 11:40:54,188 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:40:54,188 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-04-18 11:40:54,188 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:40:54,193 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:40:54,251 INFO L259 McrAutomatonBuilder]: Finished intersection with 44 states and 61 transitions. [2020-04-18 11:40:54,251 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:40:55,538 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 6 times. [2020-04-18 11:40:55,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-04-18 11:40:55,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1473, Invalid=6009, Unknown=0, NotChecked=0, Total=7482 [2020-04-18 11:40:55,542 INFO L87 Difference]: Start difference. First operand 264 states and 469 transitions. Second operand 19 states. [2020-04-18 11:40:57,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:40:57,995 INFO L93 Difference]: Finished difference Result 264 states and 469 transitions. [2020-04-18 11:40:57,995 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 469 transitions. [2020-04-18 11:40:57,996 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:40:57,996 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [2056401037] [2020-04-18 11:40:57,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 11:40:57,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-04-18 11:40:57,997 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [2056401037] [2020-04-18 11:40:57,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 49 states [2020-04-18 11:40:57,997 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 11:40:57,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2020-04-18 11:40:58,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1527, Invalid=6483, Unknown=0, NotChecked=0, Total=8010 [2020-04-18 11:40:58,001 INFO L87 Difference]: Start difference. First operand 2544 states and 8286 transitions. Second operand 49 states. [2020-04-18 11:41:04,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:41:04,891 INFO L93 Difference]: Finished difference Result 2985 states and 9315 transitions. [2020-04-18 11:41:04,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-04-18 11:41:04,894 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 25 [2020-04-18 11:41:04,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 11:41:04,915 INFO L225 Difference]: With dead ends: 2985 [2020-04-18 11:41:04,915 INFO L226 Difference]: Without dead ends: 2985 [2020-04-18 11:41:04,918 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 78 SyntacticMatches, 37 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3949 ImplicationChecksByTransitivity, 17.9s TimeCoverageRelationStatistics Valid=1566, Invalid=6624, Unknown=0, NotChecked=0, Total=8190 [2020-04-18 11:41:04,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2985 states. [2020-04-18 11:41:04,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2985 to 2698. [2020-04-18 11:41:04,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2698 states. [2020-04-18 11:41:05,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2698 states to 2698 states and 8693 transitions. [2020-04-18 11:41:05,004 INFO L78 Accepts]: Start accepts. Automaton has 2698 states and 8693 transitions. Word has length 25 [2020-04-18 11:41:05,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 11:41:05,005 INFO L479 AbstractCegarLoop]: Abstraction has 2698 states and 8693 transitions. [2020-04-18 11:41:05,005 INFO L480 AbstractCegarLoop]: Interpolant automaton has 49 states. [2020-04-18 11:41:05,006 INFO L276 IsEmpty]: Start isEmpty. Operand 2698 states and 8693 transitions. [2020-04-18 11:41:05,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-04-18 11:41:05,017 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:41:05,017 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 11:41:05,017 INFO L427 AbstractCegarLoop]: === Iteration 4 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 11:41:05,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:41:05,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1041383458, now seen corresponding path program 1 times [2020-04-18 11:41:05,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:41:05,023 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [416671283] [2020-04-18 11:41:05,025 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:41:05,027 INFO L259 McrAutomatonBuilder]: Finished intersection with 146 states and 265 transitions. [2020-04-18 11:41:05,028 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2020-04-18 11:41:05,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-04-18 11:41:05,029 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:41:05,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:41:05,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1041383458, now seen corresponding path program 2 times [2020-04-18 11:41:05,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:41:05,030 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399522720] [2020-04-18 11:41:05,031 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:41:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:41:05,518 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 11:41:05,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399522720] [2020-04-18 11:41:05,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:41:05,518 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-04-18 11:41:05,519 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:41:05,521 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:41:05,529 INFO L259 McrAutomatonBuilder]: Finished intersection with 32 states and 37 transitions. [2020-04-18 11:41:05,529 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:41:05,786 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 2 times. [2020-04-18 11:41:05,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-04-18 11:41:05,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2020-04-18 11:41:05,787 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 14 states. [2020-04-18 11:41:06,338 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-04-18 11:41:07,537 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 54 [2020-04-18 11:41:07,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:41:07,705 INFO L93 Difference]: Finished difference Result 211 states and 379 transitions. [2020-04-18 11:41:07,705 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 379 transitions. [2020-04-18 11:41:07,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-04-18 11:41:07,706 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 11:41:07,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:41:07,707 INFO L82 PathProgramCache]: Analyzing trace with hash -1491389276, now seen corresponding path program 3 times [2020-04-18 11:41:07,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:41:07,707 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011458754] [2020-04-18 11:41:07,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:41:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:41:08,169 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 11:41:08,170 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011458754] [2020-04-18 11:41:08,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:41:08,170 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-04-18 11:41:08,170 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:41:08,174 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:41:08,185 INFO L259 McrAutomatonBuilder]: Finished intersection with 50 states and 73 transitions. [2020-04-18 11:41:08,186 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:41:09,120 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 12 times. [2020-04-18 11:41:09,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-04-18 11:41:09,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=321, Invalid=1161, Unknown=0, NotChecked=0, Total=1482 [2020-04-18 11:41:09,122 INFO L87 Difference]: Start difference. First operand 211 states and 379 transitions. Second operand 23 states. [2020-04-18 11:41:10,386 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2020-04-18 11:41:10,915 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 95 [2020-04-18 11:41:11,552 WARN L192 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 91 [2020-04-18 11:41:12,244 WARN L192 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 87 [2020-04-18 11:41:13,477 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2020-04-18 11:41:13,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:41:13,478 INFO L93 Difference]: Finished difference Result 224 states and 395 transitions. [2020-04-18 11:41:13,478 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 395 transitions. [2020-04-18 11:41:13,478 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:41:13,479 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [416671283] [2020-04-18 11:41:13,479 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 11:41:13,479 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-04-18 11:41:13,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [416671283] [2020-04-18 11:41:13,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-04-18 11:41:13,480 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 11:41:13,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-04-18 11:41:13,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=1999, Unknown=0, NotChecked=0, Total=2550 [2020-04-18 11:41:13,482 INFO L87 Difference]: Start difference. First operand 2698 states and 8693 transitions. Second operand 29 states. [2020-04-18 11:41:17,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:41:17,800 INFO L93 Difference]: Finished difference Result 3322 states and 10269 transitions. [2020-04-18 11:41:17,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-04-18 11:41:17,800 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 25 [2020-04-18 11:41:17,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 11:41:17,820 INFO L225 Difference]: With dead ends: 3322 [2020-04-18 11:41:17,820 INFO L226 Difference]: Without dead ends: 3322 [2020-04-18 11:41:17,821 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 37 SyntacticMatches, 30 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1358 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=570, Invalid=2082, Unknown=0, NotChecked=0, Total=2652 [2020-04-18 11:41:17,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3322 states. [2020-04-18 11:41:17,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3322 to 2852. [2020-04-18 11:41:17,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2852 states. [2020-04-18 11:41:17,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 9100 transitions. [2020-04-18 11:41:17,918 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 9100 transitions. Word has length 25 [2020-04-18 11:41:17,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 11:41:17,918 INFO L479 AbstractCegarLoop]: Abstraction has 2852 states and 9100 transitions. [2020-04-18 11:41:17,918 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-04-18 11:41:17,918 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 9100 transitions. [2020-04-18 11:41:17,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 11:41:17,923 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:41:17,923 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 11:41:17,924 INFO L427 AbstractCegarLoop]: === Iteration 5 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 11:41:17,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:41:17,924 INFO L82 PathProgramCache]: Analyzing trace with hash -2081512480, now seen corresponding path program 1 times [2020-04-18 11:41:17,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:41:17,925 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1690218814] [2020-04-18 11:41:17,925 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:41:17,928 INFO L259 McrAutomatonBuilder]: Finished intersection with 178 states and 327 transitions. [2020-04-18 11:41:17,929 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states. [2020-04-18 11:41:17,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 11:41:17,930 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:41:17,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:41:17,930 INFO L82 PathProgramCache]: Analyzing trace with hash -2081512480, now seen corresponding path program 2 times [2020-04-18 11:41:17,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:41:17,931 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138237769] [2020-04-18 11:41:17,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:41:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:41:18,623 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 11:41:18,624 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138237769] [2020-04-18 11:41:18,624 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:41:18,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-04-18 11:41:18,625 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:41:18,630 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:41:18,695 INFO L259 McrAutomatonBuilder]: Finished intersection with 67 states and 105 transitions. [2020-04-18 11:41:18,695 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:41:19,902 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 15 times. [2020-04-18 11:41:19,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-04-18 11:41:19,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=779, Unknown=0, NotChecked=0, Total=930 [2020-04-18 11:41:19,903 INFO L87 Difference]: Start difference. First operand 178 states. Second operand 31 states. [2020-04-18 11:41:22,628 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 51 [2020-04-18 11:41:23,193 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 56 [2020-04-18 11:41:26,214 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 59 [2020-04-18 11:41:26,624 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 64 [2020-04-18 11:41:26,797 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 61 [2020-04-18 11:41:27,237 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 66 [2020-04-18 11:41:27,542 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 53 [2020-04-18 11:41:28,081 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 58 [2020-04-18 11:41:28,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:41:28,840 INFO L93 Difference]: Finished difference Result 316 states and 582 transitions. [2020-04-18 11:41:28,840 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 582 transitions. [2020-04-18 11:41:28,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 11:41:28,841 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 11:41:28,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:41:28,842 INFO L82 PathProgramCache]: Analyzing trace with hash 247373206, now seen corresponding path program 3 times [2020-04-18 11:41:28,842 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:41:28,842 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954435247] [2020-04-18 11:41:28,842 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:41:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:41:29,225 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 11:41:29,225 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954435247] [2020-04-18 11:41:29,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:41:29,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-04-18 11:41:29,226 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:41:29,231 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:41:29,260 INFO L259 McrAutomatonBuilder]: Finished intersection with 88 states and 147 transitions. [2020-04-18 11:41:29,261 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:41:31,190 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 17 times. [2020-04-18 11:41:31,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-04-18 11:41:31,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=756, Invalid=4074, Unknown=0, NotChecked=0, Total=4830 [2020-04-18 11:41:31,193 INFO L87 Difference]: Start difference. First operand 316 states and 582 transitions. Second operand 25 states. [2020-04-18 11:41:34,028 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 39 [2020-04-18 11:41:34,309 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 40 [2020-04-18 11:41:34,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:41:34,881 INFO L93 Difference]: Finished difference Result 346 states and 626 transitions. [2020-04-18 11:41:34,881 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 626 transitions. [2020-04-18 11:41:34,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 11:41:34,883 INFO L105 Mcr]: ---- MCR iteration 2 ---- [2020-04-18 11:41:34,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:41:34,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1056139074, now seen corresponding path program 4 times [2020-04-18 11:41:34,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:41:34,883 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12605823] [2020-04-18 11:41:34,884 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:41:34,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:41:35,607 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 11:41:35,608 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12605823] [2020-04-18 11:41:35,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:41:35,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-04-18 11:41:35,608 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:41:35,613 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:41:35,630 INFO L259 McrAutomatonBuilder]: Finished intersection with 85 states and 141 transitions. [2020-04-18 11:41:35,631 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:41:37,777 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 26 times. [2020-04-18 11:41:37,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2020-04-18 11:41:37,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1123, Invalid=7249, Unknown=0, NotChecked=0, Total=8372 [2020-04-18 11:41:37,781 INFO L87 Difference]: Start difference. First operand 346 states and 626 transitions. Second operand 42 states. [2020-04-18 11:41:39,438 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 83 [2020-04-18 11:41:40,180 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 89 [2020-04-18 11:41:40,802 WARN L192 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 121 [2020-04-18 11:41:41,892 WARN L192 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2020-04-18 11:41:42,541 WARN L192 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 117 [2020-04-18 11:41:43,299 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 88 [2020-04-18 11:41:44,012 WARN L192 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2020-04-18 11:41:44,645 WARN L192 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 113 [2020-04-18 11:41:45,680 WARN L192 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 126 [2020-04-18 11:41:46,727 WARN L192 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 120 [2020-04-18 11:41:47,365 WARN L192 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 109 [2020-04-18 11:41:48,317 WARN L192 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 122 [2020-04-18 11:41:49,442 WARN L192 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 116 [2020-04-18 11:41:50,008 WARN L192 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 105 [2020-04-18 11:41:51,076 WARN L192 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 118 [2020-04-18 11:41:52,224 WARN L192 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 112 [2020-04-18 11:41:52,789 WARN L192 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 101 [2020-04-18 11:41:54,000 WARN L192 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 114 [2020-04-18 11:41:54,764 WARN L192 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 108 [2020-04-18 11:41:55,313 WARN L192 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 97 [2020-04-18 11:41:56,560 WARN L192 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 110 [2020-04-18 11:41:57,286 WARN L192 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 104 [2020-04-18 11:41:58,579 WARN L192 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 106 [2020-04-18 11:41:59,997 WARN L192 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 102 [2020-04-18 11:42:03,010 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 63 [2020-04-18 11:42:03,691 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 68 [2020-04-18 11:42:04,024 WARN L192 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 65 [2020-04-18 11:42:04,755 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2020-04-18 11:42:05,218 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 53 [2020-04-18 11:42:06,048 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 58 [2020-04-18 11:42:07,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:42:07,202 INFO L93 Difference]: Finished difference Result 431 states and 771 transitions. [2020-04-18 11:42:07,202 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 771 transitions. [2020-04-18 11:42:07,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 11:42:07,204 INFO L105 Mcr]: ---- MCR iteration 3 ---- [2020-04-18 11:42:07,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:42:07,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1777867624, now seen corresponding path program 5 times [2020-04-18 11:42:07,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:42:07,205 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730247983] [2020-04-18 11:42:07,205 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:42:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:42:07,954 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 11:42:07,955 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730247983] [2020-04-18 11:42:07,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:42:07,955 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-04-18 11:42:07,955 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:42:07,960 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:42:07,974 INFO L259 McrAutomatonBuilder]: Finished intersection with 53 states and 77 transitions. [2020-04-18 11:42:07,975 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:42:10,306 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 11 times. [2020-04-18 11:42:10,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-04-18 11:42:10,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2941, Invalid=17081, Unknown=0, NotChecked=0, Total=20022 [2020-04-18 11:42:10,311 INFO L87 Difference]: Start difference. First operand 431 states and 771 transitions. Second operand 27 states. [2020-04-18 11:42:16,041 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 59 [2020-04-18 11:42:16,568 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 66 [2020-04-18 11:42:16,896 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 61 [2020-04-18 11:42:17,505 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-04-18 11:42:17,904 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 53 [2020-04-18 11:42:18,556 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 60 [2020-04-18 11:42:19,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:42:19,328 INFO L93 Difference]: Finished difference Result 476 states and 843 transitions. [2020-04-18 11:42:19,328 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 843 transitions. [2020-04-18 11:42:19,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 11:42:19,330 INFO L105 Mcr]: ---- MCR iteration 4 ---- [2020-04-18 11:42:19,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:42:19,330 INFO L82 PathProgramCache]: Analyzing trace with hash 562608634, now seen corresponding path program 6 times [2020-04-18 11:42:19,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:42:19,331 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545275430] [2020-04-18 11:42:19,331 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:42:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:42:20,061 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 11:42:20,061 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545275430] [2020-04-18 11:42:20,062 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:42:20,062 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-04-18 11:42:20,062 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:42:20,065 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:42:20,076 INFO L259 McrAutomatonBuilder]: Finished intersection with 38 states and 47 transitions. [2020-04-18 11:42:20,076 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:42:21,795 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 8 times. [2020-04-18 11:42:21,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-04-18 11:42:21,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3619, Invalid=21503, Unknown=0, NotChecked=0, Total=25122 [2020-04-18 11:42:21,798 INFO L87 Difference]: Start difference. First operand 476 states and 843 transitions. Second operand 24 states. [2020-04-18 11:42:23,864 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 86 [2020-04-18 11:42:24,688 WARN L192 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 122 [2020-04-18 11:42:25,619 WARN L192 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 118 [2020-04-18 11:42:26,539 WARN L192 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 114 [2020-04-18 11:42:27,458 WARN L192 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 110 [2020-04-18 11:42:28,285 WARN L192 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 106 [2020-04-18 11:42:29,182 WARN L192 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 102 [2020-04-18 11:42:30,112 WARN L192 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 98 [2020-04-18 11:42:32,567 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 53 [2020-04-18 11:42:33,173 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 60 [2020-04-18 11:42:33,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:42:33,657 INFO L93 Difference]: Finished difference Result 498 states and 871 transitions. [2020-04-18 11:42:33,657 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 871 transitions. [2020-04-18 11:42:33,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 11:42:33,658 INFO L105 Mcr]: ---- MCR iteration 5 ---- [2020-04-18 11:42:33,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:42:33,658 INFO L82 PathProgramCache]: Analyzing trace with hash 471322490, now seen corresponding path program 7 times [2020-04-18 11:42:33,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:42:33,659 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361616493] [2020-04-18 11:42:33,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:42:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:42:34,086 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 33 [2020-04-18 11:42:34,348 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 11:42:34,348 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361616493] [2020-04-18 11:42:34,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:42:34,349 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-04-18 11:42:34,349 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:42:34,352 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:42:34,358 INFO L259 McrAutomatonBuilder]: Finished intersection with 28 states and 27 transitions. [2020-04-18 11:42:34,358 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:42:34,811 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 11:42:34,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-04-18 11:42:34,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4465, Invalid=25291, Unknown=0, NotChecked=0, Total=29756 [2020-04-18 11:42:34,815 INFO L87 Difference]: Start difference. First operand 498 states and 871 transitions. Second operand 16 states. [2020-04-18 11:42:35,728 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 53 [2020-04-18 11:42:36,293 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 60 [2020-04-18 11:42:38,097 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 61 [2020-04-18 11:42:38,454 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 68 [2020-04-18 11:42:38,703 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 63 [2020-04-18 11:42:39,168 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 70 [2020-04-18 11:42:39,455 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 55 [2020-04-18 11:42:39,913 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 62 [2020-04-18 11:42:40,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:42:40,209 INFO L93 Difference]: Finished difference Result 498 states and 871 transitions. [2020-04-18 11:42:40,209 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 871 transitions. [2020-04-18 11:42:40,210 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:42:40,211 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1690218814] [2020-04-18 11:42:40,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 11:42:40,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-04-18 11:42:40,212 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1690218814] [2020-04-18 11:42:40,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 90 states [2020-04-18 11:42:40,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 11:42:40,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2020-04-18 11:42:40,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4858, Invalid=29552, Unknown=0, NotChecked=0, Total=34410 [2020-04-18 11:42:40,214 INFO L87 Difference]: Start difference. First operand 2852 states and 9100 transitions. Second operand 90 states. [2020-04-18 11:42:47,386 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 39 [2020-04-18 11:42:48,777 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 45 [2020-04-18 11:42:50,361 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 52 [2020-04-18 11:42:51,867 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 54 [2020-04-18 11:42:54,450 WARN L192 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 54 [2020-04-18 11:42:55,480 WARN L192 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 58 [2020-04-18 11:42:56,702 WARN L192 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 65 [2020-04-18 11:42:59,370 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2020-04-18 11:43:04,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:43:04,685 INFO L93 Difference]: Finished difference Result 6716 states and 21317 transitions. [2020-04-18 11:43:04,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-04-18 11:43:04,686 INFO L78 Accepts]: Start accepts. Automaton has 90 states. Word has length 27 [2020-04-18 11:43:04,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 11:43:04,724 INFO L225 Difference]: With dead ends: 6716 [2020-04-18 11:43:04,724 INFO L226 Difference]: Without dead ends: 6716 [2020-04-18 11:43:04,726 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 140 SyntacticMatches, 61 SemanticMatches, 210 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23224 ImplicationChecksByTransitivity, 41.0s TimeCoverageRelationStatistics Valid=5735, Invalid=38997, Unknown=0, NotChecked=0, Total=44732 [2020-04-18 11:43:04,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6716 states. [2020-04-18 11:43:04,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6716 to 4211. [2020-04-18 11:43:04,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4211 states. [2020-04-18 11:43:04,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4211 states to 4211 states and 13648 transitions. [2020-04-18 11:43:04,864 INFO L78 Accepts]: Start accepts. Automaton has 4211 states and 13648 transitions. Word has length 27 [2020-04-18 11:43:04,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 11:43:04,865 INFO L479 AbstractCegarLoop]: Abstraction has 4211 states and 13648 transitions. [2020-04-18 11:43:04,865 INFO L480 AbstractCegarLoop]: Interpolant automaton has 90 states. [2020-04-18 11:43:04,865 INFO L276 IsEmpty]: Start isEmpty. Operand 4211 states and 13648 transitions. [2020-04-18 11:43:04,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 11:43:04,871 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:43:04,871 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 11:43:04,871 INFO L427 AbstractCegarLoop]: === Iteration 6 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 11:43:04,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:43:04,872 INFO L82 PathProgramCache]: Analyzing trace with hash 363501539, now seen corresponding path program 1 times [2020-04-18 11:43:04,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:43:04,872 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1167106364] [2020-04-18 11:43:04,873 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:43:04,876 INFO L259 McrAutomatonBuilder]: Finished intersection with 178 states and 327 transitions. [2020-04-18 11:43:04,877 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states. [2020-04-18 11:43:04,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 11:43:04,878 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:43:04,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:43:04,878 INFO L82 PathProgramCache]: Analyzing trace with hash 363501539, now seen corresponding path program 2 times [2020-04-18 11:43:04,878 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:43:04,878 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612482897] [2020-04-18 11:43:04,878 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:43:04,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:43:05,539 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 11:43:05,540 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612482897] [2020-04-18 11:43:05,540 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:43:05,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-04-18 11:43:05,540 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:43:05,544 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:43:05,552 INFO L259 McrAutomatonBuilder]: Finished intersection with 40 states and 51 transitions. [2020-04-18 11:43:05,552 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:43:05,906 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 2 times. [2020-04-18 11:43:05,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-04-18 11:43:05,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-04-18 11:43:05,907 INFO L87 Difference]: Start difference. First operand 178 states. Second operand 17 states. [2020-04-18 11:43:07,125 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 42 [2020-04-18 11:43:08,666 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2020-04-18 11:43:08,915 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2020-04-18 11:43:09,057 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2020-04-18 11:43:09,321 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 65 [2020-04-18 11:43:09,769 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 53 [2020-04-18 11:43:10,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:43:10,091 INFO L93 Difference]: Finished difference Result 302 states and 554 transitions. [2020-04-18 11:43:10,091 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 554 transitions. [2020-04-18 11:43:10,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 11:43:10,092 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 11:43:10,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:43:10,092 INFO L82 PathProgramCache]: Analyzing trace with hash -1520917989, now seen corresponding path program 3 times [2020-04-18 11:43:10,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:43:10,093 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156198932] [2020-04-18 11:43:10,093 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:43:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:43:10,276 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 11:43:10,276 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156198932] [2020-04-18 11:43:10,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:43:10,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-04-18 11:43:10,277 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:43:10,280 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:43:10,297 INFO L259 McrAutomatonBuilder]: Finished intersection with 82 states and 135 transitions. [2020-04-18 11:43:10,297 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:43:11,168 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 12 times. [2020-04-18 11:43:11,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-04-18 11:43:11,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=369, Invalid=1793, Unknown=0, NotChecked=0, Total=2162 [2020-04-18 11:43:11,169 INFO L87 Difference]: Start difference. First operand 302 states and 554 transitions. Second operand 17 states. [2020-04-18 11:43:12,899 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 39 [2020-04-18 11:43:13,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:43:13,230 INFO L93 Difference]: Finished difference Result 332 states and 598 transitions. [2020-04-18 11:43:13,230 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 598 transitions. [2020-04-18 11:43:13,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 11:43:13,231 INFO L105 Mcr]: ---- MCR iteration 2 ---- [2020-04-18 11:43:13,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:43:13,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1615360997, now seen corresponding path program 4 times [2020-04-18 11:43:13,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:43:13,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901634317] [2020-04-18 11:43:13,232 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:43:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:43:14,032 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 11:43:14,032 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901634317] [2020-04-18 11:43:14,032 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:43:14,032 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-04-18 11:43:14,033 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:43:14,038 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:43:14,052 INFO L259 McrAutomatonBuilder]: Finished intersection with 58 states and 87 transitions. [2020-04-18 11:43:14,052 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:43:15,393 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 12 times. [2020-04-18 11:43:15,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-04-18 11:43:15,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=630, Invalid=3660, Unknown=0, NotChecked=0, Total=4290 [2020-04-18 11:43:15,394 INFO L87 Difference]: Start difference. First operand 332 states and 598 transitions. Second operand 26 states. [2020-04-18 11:43:17,053 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 66 [2020-04-18 11:43:17,708 WARN L192 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 87 [2020-04-18 11:43:18,108 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-04-18 11:43:18,610 WARN L192 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2020-04-18 11:43:19,037 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-04-18 11:43:19,616 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2020-04-18 11:43:20,758 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2020-04-18 11:43:23,047 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 54 [2020-04-18 11:43:23,509 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 63 [2020-04-18 11:43:23,700 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 56 [2020-04-18 11:43:24,159 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 65 [2020-04-18 11:43:24,421 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 48 [2020-04-18 11:43:24,932 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 57 [2020-04-18 11:43:25,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:43:25,675 INFO L93 Difference]: Finished difference Result 392 states and 693 transitions. [2020-04-18 11:43:25,675 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 693 transitions. [2020-04-18 11:43:25,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 11:43:25,676 INFO L105 Mcr]: ---- MCR iteration 3 ---- [2020-04-18 11:43:25,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:43:25,676 INFO L82 PathProgramCache]: Analyzing trace with hash -122346011, now seen corresponding path program 5 times [2020-04-18 11:43:25,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:43:25,677 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018622842] [2020-04-18 11:43:25,677 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:43:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:43:26,377 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 11:43:26,377 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018622842] [2020-04-18 11:43:26,378 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:43:26,378 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-04-18 11:43:26,378 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:43:26,381 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:43:26,389 INFO L259 McrAutomatonBuilder]: Finished intersection with 38 states and 47 transitions. [2020-04-18 11:43:26,389 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:43:27,167 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 4 times. [2020-04-18 11:43:27,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-04-18 11:43:27,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1235, Invalid=7137, Unknown=0, NotChecked=0, Total=8372 [2020-04-18 11:43:27,168 INFO L87 Difference]: Start difference. First operand 392 states and 693 transitions. Second operand 19 states. [2020-04-18 11:43:28,517 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 67 [2020-04-18 11:43:29,066 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 87 [2020-04-18 11:43:29,677 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 83 [2020-04-18 11:43:30,271 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 79 [2020-04-18 11:43:33,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:43:33,129 INFO L93 Difference]: Finished difference Result 440 states and 771 transitions. [2020-04-18 11:43:33,129 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 771 transitions. [2020-04-18 11:43:33,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 11:43:33,130 INFO L105 Mcr]: ---- MCR iteration 4 ---- [2020-04-18 11:43:33,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:43:33,130 INFO L82 PathProgramCache]: Analyzing trace with hash -1197665119, now seen corresponding path program 6 times [2020-04-18 11:43:33,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:43:33,131 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578168292] [2020-04-18 11:43:33,131 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:43:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:43:33,543 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 33 [2020-04-18 11:43:33,767 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 11:43:33,767 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578168292] [2020-04-18 11:43:33,768 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:43:33,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-04-18 11:43:33,768 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:43:33,771 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:43:33,777 INFO L259 McrAutomatonBuilder]: Finished intersection with 28 states and 27 transitions. [2020-04-18 11:43:33,777 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:43:34,169 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 11:43:34,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-04-18 11:43:34,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1480, Invalid=8420, Unknown=0, NotChecked=0, Total=9900 [2020-04-18 11:43:34,170 INFO L87 Difference]: Start difference. First operand 440 states and 771 transitions. Second operand 15 states. [2020-04-18 11:43:36,790 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2020-04-18 11:43:37,075 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2020-04-18 11:43:37,258 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2020-04-18 11:43:37,631 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2020-04-18 11:43:38,199 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 58 [2020-04-18 11:43:38,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:43:38,456 INFO L93 Difference]: Finished difference Result 455 states and 785 transitions. [2020-04-18 11:43:38,456 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 785 transitions. [2020-04-18 11:43:38,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 11:43:38,457 INFO L105 Mcr]: ---- MCR iteration 5 ---- [2020-04-18 11:43:38,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:43:38,457 INFO L82 PathProgramCache]: Analyzing trace with hash 14057405, now seen corresponding path program 7 times [2020-04-18 11:43:38,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:43:38,457 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037196461] [2020-04-18 11:43:38,458 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:43:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:43:39,153 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 11:43:39,154 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037196461] [2020-04-18 11:43:39,154 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:43:39,154 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-04-18 11:43:39,154 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:43:39,158 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:43:39,167 INFO L259 McrAutomatonBuilder]: Finished intersection with 43 states and 57 transitions. [2020-04-18 11:43:39,167 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:43:40,387 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 9 times. [2020-04-18 11:43:40,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-04-18 11:43:40,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1963, Invalid=11843, Unknown=0, NotChecked=0, Total=13806 [2020-04-18 11:43:40,389 INFO L87 Difference]: Start difference. First operand 455 states and 785 transitions. Second operand 23 states. [2020-04-18 11:43:43,786 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 52 [2020-04-18 11:43:44,158 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 60 [2020-04-18 11:43:44,368 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 54 [2020-04-18 11:43:44,780 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 62 [2020-04-18 11:43:45,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:43:45,779 INFO L93 Difference]: Finished difference Result 455 states and 785 transitions. [2020-04-18 11:43:45,779 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 785 transitions. [2020-04-18 11:43:45,780 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:43:45,781 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1167106364] [2020-04-18 11:43:45,781 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 11:43:45,782 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-04-18 11:43:45,782 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1167106364] [2020-04-18 11:43:45,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 58 states [2020-04-18 11:43:45,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 11:43:45,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2020-04-18 11:43:45,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2236, Invalid=13016, Unknown=0, NotChecked=0, Total=15252 [2020-04-18 11:43:45,783 INFO L87 Difference]: Start difference. First operand 4211 states and 13648 transitions. Second operand 58 states. [2020-04-18 11:43:51,314 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 41 [2020-04-18 11:43:52,265 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 48 [2020-04-18 11:43:53,249 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 53 [2020-04-18 11:43:54,762 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 52 [2020-04-18 11:43:55,402 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 52 [2020-04-18 11:43:55,889 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 61 [2020-04-18 11:44:00,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:44:00,806 INFO L93 Difference]: Finished difference Result 5795 states and 18927 transitions. [2020-04-18 11:44:00,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-04-18 11:44:00,807 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 27 [2020-04-18 11:44:00,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 11:44:00,824 INFO L225 Difference]: With dead ends: 5795 [2020-04-18 11:44:00,825 INFO L226 Difference]: Without dead ends: 5795 [2020-04-18 11:44:00,826 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 124 SyntacticMatches, 74 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11515 ImplicationChecksByTransitivity, 17.3s TimeCoverageRelationStatistics Valid=2675, Invalid=16507, Unknown=0, NotChecked=0, Total=19182 [2020-04-18 11:44:00,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5795 states. [2020-04-18 11:44:00,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5795 to 4278. [2020-04-18 11:44:00,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4278 states. [2020-04-18 11:44:00,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4278 states to 4278 states and 13879 transitions. [2020-04-18 11:44:00,953 INFO L78 Accepts]: Start accepts. Automaton has 4278 states and 13879 transitions. Word has length 27 [2020-04-18 11:44:00,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 11:44:00,953 INFO L479 AbstractCegarLoop]: Abstraction has 4278 states and 13879 transitions. [2020-04-18 11:44:00,953 INFO L480 AbstractCegarLoop]: Interpolant automaton has 58 states. [2020-04-18 11:44:00,953 INFO L276 IsEmpty]: Start isEmpty. Operand 4278 states and 13879 transitions. [2020-04-18 11:44:00,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 11:44:00,959 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:44:00,959 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 11:44:00,959 INFO L427 AbstractCegarLoop]: === Iteration 7 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 11:44:00,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:44:00,960 INFO L82 PathProgramCache]: Analyzing trace with hash 471322491, now seen corresponding path program 1 times [2020-04-18 11:44:00,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:44:00,960 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [988437615] [2020-04-18 11:44:00,961 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:44:00,963 INFO L259 McrAutomatonBuilder]: Finished intersection with 178 states and 327 transitions. [2020-04-18 11:44:00,964 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states. [2020-04-18 11:44:00,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 11:44:00,965 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:44:00,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:44:00,965 INFO L82 PathProgramCache]: Analyzing trace with hash -2081512479, now seen corresponding path program 2 times [2020-04-18 11:44:00,966 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:44:00,966 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008137387] [2020-04-18 11:44:00,966 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:44:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:44:01,470 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 36 [2020-04-18 11:44:01,713 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 11:44:01,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008137387] [2020-04-18 11:44:01,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:44:01,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-04-18 11:44:01,714 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:44:01,718 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:44:01,730 INFO L259 McrAutomatonBuilder]: Finished intersection with 67 states and 105 transitions. [2020-04-18 11:44:01,730 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:44:02,898 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 15 times. [2020-04-18 11:44:02,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-04-18 11:44:02,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=779, Unknown=0, NotChecked=0, Total=930 [2020-04-18 11:44:02,899 INFO L87 Difference]: Start difference. First operand 178 states. Second operand 31 states. [2020-04-18 11:44:04,362 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 45 [2020-04-18 11:44:05,080 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 50 [2020-04-18 11:44:05,510 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 53 [2020-04-18 11:44:06,064 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 56 [2020-04-18 11:44:09,069 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 64 [2020-04-18 11:44:09,485 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 67 [2020-04-18 11:44:09,674 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 66 [2020-04-18 11:44:10,129 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 69 [2020-04-18 11:44:10,418 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-04-18 11:44:11,019 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 58 [2020-04-18 11:44:11,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:44:11,724 INFO L93 Difference]: Finished difference Result 316 states and 582 transitions. [2020-04-18 11:44:11,725 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 582 transitions. [2020-04-18 11:44:11,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 11:44:11,725 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 11:44:11,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:44:11,726 INFO L82 PathProgramCache]: Analyzing trace with hash 247374167, now seen corresponding path program 3 times [2020-04-18 11:44:11,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:44:11,726 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110480845] [2020-04-18 11:44:11,727 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:44:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:44:11,989 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 11:44:11,989 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110480845] [2020-04-18 11:44:11,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:44:11,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-04-18 11:44:11,989 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:44:11,993 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:44:12,011 INFO L259 McrAutomatonBuilder]: Finished intersection with 88 states and 147 transitions. [2020-04-18 11:44:12,011 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:44:13,494 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 17 times. [2020-04-18 11:44:13,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-04-18 11:44:13,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=687, Invalid=3603, Unknown=0, NotChecked=0, Total=4290 [2020-04-18 11:44:13,495 INFO L87 Difference]: Start difference. First operand 316 states and 582 transitions. Second operand 25 states. [2020-04-18 11:44:15,847 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 39 [2020-04-18 11:44:16,165 WARN L192 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 43 [2020-04-18 11:44:16,529 WARN L192 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 47 [2020-04-18 11:44:17,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:44:17,073 INFO L93 Difference]: Finished difference Result 346 states and 626 transitions. [2020-04-18 11:44:17,074 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 626 transitions. [2020-04-18 11:44:17,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 11:44:17,075 INFO L105 Mcr]: ---- MCR iteration 2 ---- [2020-04-18 11:44:17,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:44:17,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1056139073, now seen corresponding path program 4 times [2020-04-18 11:44:17,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:44:17,075 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561620743] [2020-04-18 11:44:17,075 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:44:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:44:17,775 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 11:44:17,775 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561620743] [2020-04-18 11:44:17,775 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:44:17,775 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-04-18 11:44:17,775 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:44:17,779 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:44:17,796 INFO L259 McrAutomatonBuilder]: Finished intersection with 85 states and 141 transitions. [2020-04-18 11:44:17,796 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:44:20,833 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 26 times. [2020-04-18 11:44:20,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2020-04-18 11:44:20,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1108, Invalid=7634, Unknown=0, NotChecked=0, Total=8742 [2020-04-18 11:44:20,834 INFO L87 Difference]: Start difference. First operand 346 states and 626 transitions. Second operand 42 states. [2020-04-18 11:44:22,515 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 83 [2020-04-18 11:44:23,216 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 89 [2020-04-18 11:44:23,832 WARN L192 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 122 [2020-04-18 11:44:24,903 WARN L192 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 128 [2020-04-18 11:44:25,555 WARN L192 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 118 [2020-04-18 11:44:26,380 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 121 [2020-04-18 11:44:27,075 WARN L192 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 124 [2020-04-18 11:44:27,705 WARN L192 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 114 [2020-04-18 11:44:29,188 WARN L192 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 159 Received shutdown request... [2020-04-18 11:44:29,766 WARN L209 SmtUtils]: Removed 17 from assertion stack [2020-04-18 11:44:29,767 WARN L544 AbstractCegarLoop]: Verification canceled [2020-04-18 11:44:29,771 WARN L228 ceAbstractionStarter]: Timeout [2020-04-18 11:44:29,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 11:44:29 BasicIcfg [2020-04-18 11:44:29,771 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 11:44:29,772 INFO L168 Benchmark]: Toolchain (without parser) took 254421.19 ms. Allocated memory was 146.3 MB in the beginning and 1.0 GB in the end (delta: 879.2 MB). Free memory was 102.4 MB in the beginning and 806.4 MB in the end (delta: -704.0 MB). Peak memory consumption was 175.2 MB. Max. memory is 7.1 GB. [2020-04-18 11:44:29,772 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-04-18 11:44:29,773 INFO L168 Benchmark]: CACSL2BoogieTranslator took 958.45 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 100.4 MB in the beginning and 124.9 MB in the end (delta: -24.6 MB). Peak memory consumption was 40.7 MB. Max. memory is 7.1 GB. [2020-04-18 11:44:29,773 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.25 ms. Allocated memory is still 203.4 MB. Free memory was 124.9 MB in the beginning and 122.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-04-18 11:44:29,774 INFO L168 Benchmark]: Boogie Preprocessor took 77.24 ms. Allocated memory is still 203.4 MB. Free memory was 122.2 MB in the beginning and 119.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-04-18 11:44:29,774 INFO L168 Benchmark]: RCFGBuilder took 776.26 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 119.5 MB in the beginning and 194.9 MB in the end (delta: -75.4 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. [2020-04-18 11:44:29,775 INFO L168 Benchmark]: TraceAbstraction took 252500.43 ms. Allocated memory was 235.9 MB in the beginning and 1.0 GB in the end (delta: 789.6 MB). Free memory was 194.9 MB in the beginning and 806.4 MB in the end (delta: -611.5 MB). Peak memory consumption was 178.1 MB. Max. memory is 7.1 GB. [2020-04-18 11:44:29,777 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 958.45 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 100.4 MB in the beginning and 124.9 MB in the end (delta: -24.6 MB). Peak memory consumption was 40.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 87.25 ms. Allocated memory is still 203.4 MB. Free memory was 124.9 MB in the beginning and 122.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 77.24 ms. Allocated memory is still 203.4 MB. Free memory was 122.2 MB in the beginning and 119.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 776.26 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 119.5 MB in the beginning and 194.9 MB in the end (delta: -75.4 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 252500.43 ms. Allocated memory was 235.9 MB in the beginning and 1.0 GB in the end (delta: 789.6 MB). Free memory was 194.9 MB in the beginning and 806.4 MB in the end (delta: -611.5 MB). Peak memory consumption was 178.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 4.6s, 177 ProgramPointsBefore, 59 ProgramPointsAfterwards, 189 TransitionsBefore, 65 TransitionsAfterwards, 15102 CoEnabledTransitionPairs, 5 FixpointIterations, 20 TrivialSequentialCompositions, 102 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 31 ConcurrentYvCompositions, 6 ChoiceCompositions, 7595 VarBasedMoverChecksPositive, 197 VarBasedMoverChecksNegative, 118 SemBasedMoverChecksPositive, 118 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.1s, 0 MoverChecksTotal, 20924 CheckedPairsTotal, 153 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 1049]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1049). Cancelled while BasicCegarLoop was analyzing trace of length 28 with TraceHistMax 1,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 154 for 135ms.. - TimeoutResultAtElement [Line: 1054]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1054). Cancelled while BasicCegarLoop was analyzing trace of length 28 with TraceHistMax 1,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 154 for 135ms.. - TimeoutResultAtElement [Line: 1053]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1053). Cancelled while BasicCegarLoop was analyzing trace of length 28 with TraceHistMax 1,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 154 for 135ms.. - TimeoutResultAtElement [Line: 1050]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1050). Cancelled while BasicCegarLoop was analyzing trace of length 28 with TraceHistMax 1,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 154 for 135ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 171 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 252.3s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 51.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.8s, HoareTripleCheckerStatistics: 460 SDtfs, 3050 SDslu, 6660 SDs, 0 SdLazy, 29541 SolverSat, 451 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 37.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1112 GetRequests, 409 SyntacticMatches, 202 SemanticMatches, 501 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40047 ImplicationChecksByTransitivity, 81.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4278occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 6 MinimizatonAttempts, 4779 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 could not prove your program: Timeout Completed graceful shutdown