/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe-McrStrategy.epf -i ../../../trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 15:57:06,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 15:57:06,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 15:57:06,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 15:57:06,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 15:57:06,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 15:57:06,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 15:57:06,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 15:57:06,042 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 15:57:06,044 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 15:57:06,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 15:57:06,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 15:57:06,046 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 15:57:06,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 15:57:06,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 15:57:06,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 15:57:06,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 15:57:06,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 15:57:06,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 15:57:06,062 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 15:57:06,066 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 15:57:06,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 15:57:06,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 15:57:06,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 15:57:06,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 15:57:06,071 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 15:57:06,071 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 15:57:06,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 15:57:06,075 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 15:57:06,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 15:57:06,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 15:57:06,077 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 15:57:06,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 15:57:06,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 15:57:06,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 15:57:06,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 15:57:06,085 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 15:57:06,085 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 15:57:06,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 15:57:06,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 15:57:06,089 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 15:57:06,090 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe-McrStrategy.epf [2020-04-18 15:57:06,112 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 15:57:06,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 15:57:06,115 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 15:57:06,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 15:57:06,115 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 15:57:06,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 15:57:06,115 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 15:57:06,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 15:57:06,116 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 15:57:06,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 15:57:06,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 15:57:06,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 15:57:06,118 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 15:57:06,118 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 15:57:06,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 15:57:06,118 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 15:57:06,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 15:57:06,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 15:57:06,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 15:57:06,119 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 15:57:06,119 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 15:57:06,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 15:57:06,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 15:57:06,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 15:57:06,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 15:57:06,120 INFO L138 SettingsManager]: * Trace refinement strategy=MCR [2020-04-18 15:57:06,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 15:57:06,121 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-04-18 15:57:06,121 INFO L138 SettingsManager]: * Trace refinement strategy used in MCR=CAMEL [2020-04-18 15:57:06,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 15:57:06,122 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 15:57:06,388 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 15:57:06,407 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 15:57:06,410 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 15:57:06,412 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 15:57:06,412 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 15:57:06,413 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i [2020-04-18 15:57:06,490 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/199c82c67/5d18b220f3344c76897cf5261d04928e/FLAG8c36ce3d4 [2020-04-18 15:57:07,086 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 15:57:07,087 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i [2020-04-18 15:57:07,113 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/199c82c67/5d18b220f3344c76897cf5261d04928e/FLAG8c36ce3d4 [2020-04-18 15:57:07,307 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/199c82c67/5d18b220f3344c76897cf5261d04928e [2020-04-18 15:57:07,319 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 15:57:07,339 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 15:57:07,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 15:57:07,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 15:57:07,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 15:57:07,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 03:57:07" (1/1) ... [2020-04-18 15:57:07,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3640cf9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:57:07, skipping insertion in model container [2020-04-18 15:57:07,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 03:57:07" (1/1) ... [2020-04-18 15:57:07,355 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 15:57:07,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 15:57:07,603 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-04-18 15:57:08,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 15:57:08,055 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 15:57:08,068 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-04-18 15:57:08,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 15:57:08,296 INFO L208 MainTranslator]: Completed translation [2020-04-18 15:57:08,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:57:08 WrapperNode [2020-04-18 15:57:08,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 15:57:08,298 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 15:57:08,298 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 15:57:08,298 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 15:57:08,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:57:08" (1/1) ... [2020-04-18 15:57:08,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:57:08" (1/1) ... [2020-04-18 15:57:08,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 15:57:08,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 15:57:08,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 15:57:08,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 15:57:08,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:57:08" (1/1) ... [2020-04-18 15:57:08,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:57:08" (1/1) ... [2020-04-18 15:57:08,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:57:08" (1/1) ... [2020-04-18 15:57:08,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:57:08" (1/1) ... [2020-04-18 15:57:08,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:57:08" (1/1) ... [2020-04-18 15:57:08,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:57:08" (1/1) ... [2020-04-18 15:57:08,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:57:08" (1/1) ... [2020-04-18 15:57:08,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 15:57:08,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 15:57:08,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 15:57:08,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 15:57:08,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:57:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 15:57:08,491 INFO L130 BoogieDeclarations]: Found specification of procedure reader_two [2020-04-18 15:57:08,492 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_two [2020-04-18 15:57:08,493 INFO L130 BoogieDeclarations]: Found specification of procedure writer_fn [2020-04-18 15:57:08,493 INFO L138 BoogieDeclarations]: Found implementation of procedure writer_fn [2020-04-18 15:57:08,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 15:57:08,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 15:57:08,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-18 15:57:08,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 15:57:08,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-04-18 15:57:08,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 15:57:08,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 15:57:08,500 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 15:57:09,104 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 15:57:09,104 INFO L295 CfgBuilder]: Removed 22 assume(true) statements. [2020-04-18 15:57:09,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 03:57:09 BoogieIcfgContainer [2020-04-18 15:57:09,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 15:57:09,111 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 15:57:09,111 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 15:57:09,115 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 15:57:09,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 03:57:07" (1/3) ... [2020-04-18 15:57:09,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3265b14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 03:57:09, skipping insertion in model container [2020-04-18 15:57:09,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:57:08" (2/3) ... [2020-04-18 15:57:09,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3265b14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 03:57:09, skipping insertion in model container [2020-04-18 15:57:09,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 03:57:09" (3/3) ... [2020-04-18 15:57:09,120 INFO L109 eAbstractionObserver]: Analyzing ICFG ring_2w1r-2.i [2020-04-18 15:57:09,131 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 15:57:09,131 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 15:57:09,140 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-04-18 15:57:09,141 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 15:57:09,191 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,191 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,192 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,192 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,192 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,192 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,193 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,193 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,193 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,193 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,193 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,194 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,194 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,194 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,194 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,194 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,195 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,195 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,195 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,195 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,196 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,196 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,196 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,196 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,196 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,197 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,197 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,197 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,197 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,198 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,198 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,198 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,199 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,199 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,200 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,200 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,200 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,200 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,200 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,201 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,201 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,201 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,201 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,201 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,201 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,202 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,202 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,205 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,206 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,206 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,206 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,206 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,207 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,207 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,207 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,207 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,207 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,208 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,208 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,208 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,208 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,208 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,208 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,209 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,209 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,209 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,209 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,209 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,210 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,210 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,210 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,210 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,210 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,211 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,211 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,211 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,211 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,211 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,211 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,212 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,212 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,212 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,212 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,212 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,213 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,213 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,213 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,213 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,213 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,214 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,214 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,214 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,214 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,214 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,215 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,215 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,215 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,215 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,216 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,216 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,216 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,216 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,216 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,217 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,217 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,217 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,217 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,217 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,218 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,218 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,218 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,219 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,219 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,219 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,219 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,219 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,219 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,220 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,220 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,220 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,220 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,220 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,221 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,221 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,221 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,221 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,221 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,221 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,222 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,222 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,222 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,222 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,222 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,223 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,223 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,223 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,223 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,223 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,224 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,224 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,224 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,224 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,224 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,225 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,225 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,225 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,225 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,226 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,226 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,226 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,226 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,227 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,227 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,227 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,227 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,227 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,228 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,228 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,228 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,228 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,228 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,229 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,229 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,229 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,229 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,229 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,230 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,230 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,230 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,230 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,230 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,230 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,231 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,231 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,231 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,231 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,231 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,231 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,232 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,232 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,232 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,232 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,232 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,232 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,233 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,233 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,233 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,233 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,233 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,234 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,234 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,234 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,234 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,234 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,234 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,235 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,235 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,235 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,235 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,235 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,236 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,236 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,236 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,236 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,236 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,236 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,237 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,237 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,237 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,237 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,237 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,238 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,238 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,238 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#t~pre16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,238 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,238 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,239 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#t~pre16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,242 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,242 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,243 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,243 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#t~pre16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,243 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,243 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,243 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,244 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,244 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,244 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,244 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,244 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,245 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,245 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,245 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,245 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,246 WARN L315 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,246 WARN L315 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,255 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,255 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,256 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,256 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,256 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,256 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,256 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,256 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,257 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,257 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,257 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,257 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,257 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,258 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,258 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,258 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,258 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,259 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,259 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,259 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,259 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,260 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,260 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,260 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,260 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,261 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,261 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,261 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,261 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,261 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,262 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,262 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,262 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,262 WARN L315 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,262 WARN L315 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:57:09,283 INFO L251 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2020-04-18 15:57:09,306 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 15:57:09,306 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 15:57:09,306 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 15:57:09,306 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 15:57:09,307 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 15:57:09,307 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 15:57:09,307 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 15:57:09,307 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 15:57:09,331 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 177 places, 189 transitions, 400 flow [2020-04-18 15:57:09,333 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 177 places, 189 transitions, 400 flow [2020-04-18 15:57:09,428 INFO L129 PetriNetUnfolder]: 18/189 cut-off events. [2020-04-18 15:57:09,428 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-04-18 15:57:09,443 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 15:57:09,456 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 177 places, 189 transitions, 400 flow [2020-04-18 15:57:09,501 INFO L129 PetriNetUnfolder]: 18/189 cut-off events. [2020-04-18 15:57:09,501 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-04-18 15:57:09,504 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 15:57:09,514 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 15102 [2020-04-18 15:57:09,516 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-04-18 15:57:12,690 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2020-04-18 15:57:13,113 INFO L206 etLargeBlockEncoding]: Checked pairs total: 20948 [2020-04-18 15:57:13,113 INFO L214 etLargeBlockEncoding]: Total number of compositions: 149 [2020-04-18 15:57:13,116 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 59 places, 65 transitions, 152 flow [2020-04-18 15:57:13,243 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2182 states. [2020-04-18 15:57:13,245 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states. [2020-04-18 15:57:13,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-04-18 15:57:13,267 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 15:57:13,268 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 15:57:13,268 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 15:57:13,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:57:13,277 INFO L82 PathProgramCache]: Analyzing trace with hash -335056581, now seen corresponding path program 1 times [2020-04-18 15:57:13,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 15:57:13,285 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [432432513] [2020-04-18 15:57:13,301 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:57:13,314 INFO L259 McrAutomatonBuilder]: Finished intersection with 18 states and 17 transitions. [2020-04-18 15:57:13,318 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-04-18 15:57:13,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-04-18 15:57:13,319 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 15:57:13,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:57:13,320 INFO L82 PathProgramCache]: Analyzing trace with hash -335056581, now seen corresponding path program 2 times [2020-04-18 15:57:13,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:57:13,326 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336339770] [2020-04-18 15:57:13,327 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:57:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 15:57:13,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 15:57:13,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336339770] [2020-04-18 15:57:13,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 15:57:13,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-04-18 15:57:13,845 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 15:57:13,849 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:57:13,862 INFO L259 McrAutomatonBuilder]: Finished intersection with 18 states and 17 transitions. [2020-04-18 15:57:13,862 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 15:57:13,908 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 15:57:13,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 15:57:13,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 15:57:13,912 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 6 states. [2020-04-18 15:57:14,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:57:14,024 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2020-04-18 15:57:14,025 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2020-04-18 15:57:14,025 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 15:57:14,026 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [432432513] [2020-04-18 15:57:14,027 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 15:57:14,027 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-04-18 15:57:14,027 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [432432513] [2020-04-18 15:57:14,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 15:57:14,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 15:57:14,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 15:57:14,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-04-18 15:57:14,033 INFO L87 Difference]: Start difference. First operand 2182 states. Second operand 6 states. [2020-04-18 15:57:14,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:57:14,400 INFO L93 Difference]: Finished difference Result 2169 states and 6982 transitions. [2020-04-18 15:57:14,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-04-18 15:57:14,401 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-04-18 15:57:14,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 15:57:14,434 INFO L225 Difference]: With dead ends: 2169 [2020-04-18 15:57:14,434 INFO L226 Difference]: Without dead ends: 2053 [2020-04-18 15:57:14,436 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 15:57:14,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2053 states. [2020-04-18 15:57:14,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2053 to 2053. [2020-04-18 15:57:14,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2053 states. [2020-04-18 15:57:14,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2053 states to 2053 states and 6650 transitions. [2020-04-18 15:57:14,577 INFO L78 Accepts]: Start accepts. Automaton has 2053 states and 6650 transitions. Word has length 17 [2020-04-18 15:57:14,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 15:57:14,578 INFO L479 AbstractCegarLoop]: Abstraction has 2053 states and 6650 transitions. [2020-04-18 15:57:14,578 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 15:57:14,578 INFO L276 IsEmpty]: Start isEmpty. Operand 2053 states and 6650 transitions. [2020-04-18 15:57:14,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-04-18 15:57:14,581 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 15:57:14,581 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 15:57:14,582 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 15:57:14,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:57:14,582 INFO L82 PathProgramCache]: Analyzing trace with hash 297867655, now seen corresponding path program 1 times [2020-04-18 15:57:14,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 15:57:14,583 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [901154460] [2020-04-18 15:57:14,583 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:57:14,584 INFO L259 McrAutomatonBuilder]: Finished intersection with 34 states and 48 transitions. [2020-04-18 15:57:14,585 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2020-04-18 15:57:14,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-04-18 15:57:14,585 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 15:57:14,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:57:14,586 INFO L82 PathProgramCache]: Analyzing trace with hash 297867655, now seen corresponding path program 2 times [2020-04-18 15:57:14,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:57:14,586 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782248928] [2020-04-18 15:57:14,586 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:57:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 15:57:14,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 15:57:14,770 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782248928] [2020-04-18 15:57:14,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 15:57:14,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 15:57:14,771 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 15:57:14,776 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:57:14,782 INFO L259 McrAutomatonBuilder]: Finished intersection with 19 states and 18 transitions. [2020-04-18 15:57:14,782 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 15:57:14,846 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 15:57:14,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-18 15:57:14,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-04-18 15:57:14,847 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 7 states. [2020-04-18 15:57:15,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:57:15,083 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2020-04-18 15:57:15,083 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2020-04-18 15:57:15,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-04-18 15:57:15,084 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 15:57:15,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:57:15,084 INFO L82 PathProgramCache]: Analyzing trace with hash -1796818801, now seen corresponding path program 3 times [2020-04-18 15:57:15,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:57:15,085 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966851251] [2020-04-18 15:57:15,085 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:57:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 15:57:15,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 15:57:15,194 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966851251] [2020-04-18 15:57:15,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 15:57:15,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-04-18 15:57:15,195 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 15:57:15,198 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:57:15,201 INFO L259 McrAutomatonBuilder]: Finished intersection with 19 states and 18 transitions. [2020-04-18 15:57:15,202 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 15:57:15,266 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 15:57:15,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 15:57:15,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2020-04-18 15:57:15,267 INFO L87 Difference]: Start difference. First operand 54 states and 67 transitions. Second operand 6 states. [2020-04-18 15:57:15,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:57:15,429 INFO L93 Difference]: Finished difference Result 59 states and 71 transitions. [2020-04-18 15:57:15,429 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2020-04-18 15:57:15,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-04-18 15:57:15,430 INFO L105 Mcr]: ---- MCR iteration 2 ---- [2020-04-18 15:57:15,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:57:15,430 INFO L82 PathProgramCache]: Analyzing trace with hash -100749885, now seen corresponding path program 4 times [2020-04-18 15:57:15,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:57:15,431 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868678095] [2020-04-18 15:57:15,431 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:57:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 15:57:15,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 15:57:15,720 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868678095] [2020-04-18 15:57:15,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 15:57:15,721 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 15:57:15,721 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 15:57:15,724 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:57:15,728 INFO L259 McrAutomatonBuilder]: Finished intersection with 19 states and 18 transitions. [2020-04-18 15:57:15,728 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 15:57:15,915 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 15:57:15,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-18 15:57:15,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=372, Unknown=0, NotChecked=0, Total=462 [2020-04-18 15:57:15,917 INFO L87 Difference]: Start difference. First operand 59 states and 71 transitions. Second operand 7 states. [2020-04-18 15:57:16,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:57:16,115 INFO L93 Difference]: Finished difference Result 59 states and 71 transitions. [2020-04-18 15:57:16,115 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2020-04-18 15:57:16,115 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 15:57:16,116 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [901154460] [2020-04-18 15:57:16,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 15:57:16,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-04-18 15:57:16,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [901154460] [2020-04-18 15:57:16,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-04-18 15:57:16,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 15:57:16,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-04-18 15:57:16,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=459, Unknown=0, NotChecked=0, Total=600 [2020-04-18 15:57:16,119 INFO L87 Difference]: Start difference. First operand 2053 states and 6650 transitions. Second operand 15 states. [2020-04-18 15:57:16,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:57:16,595 INFO L93 Difference]: Finished difference Result 2588 states and 8385 transitions. [2020-04-18 15:57:16,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-04-18 15:57:16,595 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 18 [2020-04-18 15:57:16,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 15:57:16,614 INFO L225 Difference]: With dead ends: 2588 [2020-04-18 15:57:16,614 INFO L226 Difference]: Without dead ends: 2544 [2020-04-18 15:57:16,616 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=141, Invalid=459, Unknown=0, NotChecked=0, Total=600 [2020-04-18 15:57:16,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2544 states. [2020-04-18 15:57:16,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2544 to 2544. [2020-04-18 15:57:16,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2544 states. [2020-04-18 15:57:16,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2544 states to 2544 states and 8286 transitions. [2020-04-18 15:57:16,700 INFO L78 Accepts]: Start accepts. Automaton has 2544 states and 8286 transitions. Word has length 18 [2020-04-18 15:57:16,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 15:57:16,701 INFO L479 AbstractCegarLoop]: Abstraction has 2544 states and 8286 transitions. [2020-04-18 15:57:16,701 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-04-18 15:57:16,701 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 8286 transitions. [2020-04-18 15:57:16,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-04-18 15:57:16,707 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 15:57:16,707 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 15:57:16,708 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 15:57:16,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:57:16,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1794084954, now seen corresponding path program 1 times [2020-04-18 15:57:16,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 15:57:16,709 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1560565235] [2020-04-18 15:57:16,709 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:57:16,712 INFO L259 McrAutomatonBuilder]: Finished intersection with 146 states and 265 transitions. [2020-04-18 15:57:16,714 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2020-04-18 15:57:16,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-04-18 15:57:16,715 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 15:57:16,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:57:16,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1794084954, now seen corresponding path program 2 times [2020-04-18 15:57:16,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:57:16,716 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78496430] [2020-04-18 15:57:16,716 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:57:16,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 15:57:17,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 15:57:17,230 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78496430] [2020-04-18 15:57:17,230 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 15:57:17,230 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-04-18 15:57:17,231 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 15:57:17,235 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:57:17,255 INFO L259 McrAutomatonBuilder]: Finished intersection with 32 states and 37 transitions. [2020-04-18 15:57:17,255 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 15:57:17,502 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 2 times. [2020-04-18 15:57:17,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-04-18 15:57:17,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-04-18 15:57:17,503 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 14 states. [2020-04-18 15:57:18,350 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-04-18 15:57:19,296 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2020-04-18 15:57:19,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:57:19,445 INFO L93 Difference]: Finished difference Result 211 states and 379 transitions. [2020-04-18 15:57:19,445 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 379 transitions. [2020-04-18 15:57:19,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-04-18 15:57:19,447 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 15:57:19,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:57:19,447 INFO L82 PathProgramCache]: Analyzing trace with hash 557439904, now seen corresponding path program 3 times [2020-04-18 15:57:19,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:57:19,448 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449249734] [2020-04-18 15:57:19,448 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:57:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 15:57:19,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 15:57:19,971 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449249734] [2020-04-18 15:57:19,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 15:57:19,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-04-18 15:57:19,971 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 15:57:19,976 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:57:20,022 INFO L259 McrAutomatonBuilder]: Finished intersection with 50 states and 73 transitions. [2020-04-18 15:57:20,022 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 15:57:20,973 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 12 times. [2020-04-18 15:57:20,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-04-18 15:57:20,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=311, Invalid=1171, Unknown=0, NotChecked=0, Total=1482 [2020-04-18 15:57:20,975 INFO L87 Difference]: Start difference. First operand 211 states and 379 transitions. Second operand 24 states. [2020-04-18 15:57:22,310 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2020-04-18 15:57:22,553 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 49 [2020-04-18 15:57:22,929 WARN L192 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 93 [2020-04-18 15:57:23,239 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-04-18 15:57:23,599 WARN L192 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 89 [2020-04-18 15:57:23,914 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-04-18 15:57:24,264 WARN L192 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 85 [2020-04-18 15:57:24,606 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-04-18 15:57:24,943 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2020-04-18 15:57:25,573 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 57 [2020-04-18 15:57:25,870 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2020-04-18 15:57:25,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:57:25,872 INFO L93 Difference]: Finished difference Result 224 states and 395 transitions. [2020-04-18 15:57:25,872 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 395 transitions. [2020-04-18 15:57:25,873 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 15:57:25,873 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1560565235] [2020-04-18 15:57:25,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 15:57:25,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-04-18 15:57:25,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1560565235] [2020-04-18 15:57:25,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-04-18 15:57:25,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 15:57:25,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-04-18 15:57:25,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=623, Invalid=2133, Unknown=0, NotChecked=0, Total=2756 [2020-04-18 15:57:25,876 INFO L87 Difference]: Start difference. First operand 2544 states and 8286 transitions. Second operand 29 states. [2020-04-18 15:57:26,388 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2020-04-18 15:57:30,820 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 60 [2020-04-18 15:57:31,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:57:31,862 INFO L93 Difference]: Finished difference Result 3307 states and 10327 transitions. [2020-04-18 15:57:31,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-04-18 15:57:31,863 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 25 [2020-04-18 15:57:31,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 15:57:31,885 INFO L225 Difference]: With dead ends: 3307 [2020-04-18 15:57:31,886 INFO L226 Difference]: Without dead ends: 3307 [2020-04-18 15:57:31,887 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 39 SyntacticMatches, 28 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1415 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=713, Invalid=2479, Unknown=0, NotChecked=0, Total=3192 [2020-04-18 15:57:31,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3307 states. [2020-04-18 15:57:31,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3307 to 2698. [2020-04-18 15:57:31,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2698 states. [2020-04-18 15:57:31,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2698 states to 2698 states and 8693 transitions. [2020-04-18 15:57:31,972 INFO L78 Accepts]: Start accepts. Automaton has 2698 states and 8693 transitions. Word has length 25 [2020-04-18 15:57:31,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 15:57:31,974 INFO L479 AbstractCegarLoop]: Abstraction has 2698 states and 8693 transitions. [2020-04-18 15:57:31,974 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-04-18 15:57:31,974 INFO L276 IsEmpty]: Start isEmpty. Operand 2698 states and 8693 transitions. [2020-04-18 15:57:31,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-04-18 15:57:31,980 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 15:57:31,980 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 15:57:31,980 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 15:57:31,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:57:31,981 INFO L82 PathProgramCache]: Analyzing trace with hash 683365392, now seen corresponding path program 1 times [2020-04-18 15:57:31,981 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 15:57:31,981 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [337544461] [2020-04-18 15:57:31,982 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:57:31,984 INFO L259 McrAutomatonBuilder]: Finished intersection with 146 states and 265 transitions. [2020-04-18 15:57:31,985 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2020-04-18 15:57:31,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-04-18 15:57:31,986 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 15:57:31,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:57:31,987 INFO L82 PathProgramCache]: Analyzing trace with hash 683365392, now seen corresponding path program 2 times [2020-04-18 15:57:31,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:57:31,987 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121002447] [2020-04-18 15:57:31,988 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:57:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 15:57:32,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 15:57:32,489 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121002447] [2020-04-18 15:57:32,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 15:57:32,489 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-04-18 15:57:32,490 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 15:57:32,495 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:57:32,507 INFO L259 McrAutomatonBuilder]: Finished intersection with 50 states and 73 transitions. [2020-04-18 15:57:32,508 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 15:57:33,583 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 16 times. [2020-04-18 15:57:33,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-04-18 15:57:33,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2020-04-18 15:57:33,585 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 30 states. [2020-04-18 15:57:37,070 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 47 [2020-04-18 15:57:37,351 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 52 [2020-04-18 15:57:37,748 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 57 [2020-04-18 15:57:38,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:57:38,142 INFO L93 Difference]: Finished difference Result 221 states and 399 transitions. [2020-04-18 15:57:38,142 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 399 transitions. [2020-04-18 15:57:38,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-04-18 15:57:38,143 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 15:57:38,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:57:38,144 INFO L82 PathProgramCache]: Analyzing trace with hash -2139201454, now seen corresponding path program 3 times [2020-04-18 15:57:38,144 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:57:38,145 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880929127] [2020-04-18 15:57:38,145 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:57:38,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 15:57:38,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 15:57:38,592 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880929127] [2020-04-18 15:57:38,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 15:57:38,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-04-18 15:57:38,592 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 15:57:38,596 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:57:38,607 INFO L259 McrAutomatonBuilder]: Finished intersection with 68 states and 109 transitions. [2020-04-18 15:57:38,608 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 15:57:40,346 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 23 times. [2020-04-18 15:57:40,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2020-04-18 15:57:40,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=550, Invalid=2872, Unknown=0, NotChecked=0, Total=3422 [2020-04-18 15:57:40,348 INFO L87 Difference]: Start difference. First operand 221 states and 399 transitions. Second operand 36 states. [2020-04-18 15:57:41,984 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 88 [2020-04-18 15:57:42,649 WARN L192 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 94 [2020-04-18 15:57:43,201 WARN L192 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 107 [2020-04-18 15:57:44,141 WARN L192 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 113 [2020-04-18 15:57:44,680 WARN L192 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 103 [2020-04-18 15:57:45,470 WARN L192 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 132 [2020-04-18 15:57:46,121 WARN L192 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 109 [2020-04-18 15:57:46,666 WARN L192 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 99 [2020-04-18 15:57:47,156 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 51 [2020-04-18 15:57:48,125 WARN L192 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 155 [2020-04-18 15:57:48,983 WARN L192 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 105 [2020-04-18 15:57:49,472 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 95 [2020-04-18 15:57:50,546 WARN L192 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 151 [2020-04-18 15:57:51,450 WARN L192 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 101 [2020-04-18 15:57:51,895 WARN L192 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 91 [2020-04-18 15:57:52,848 WARN L192 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 145 [2020-04-18 15:57:53,672 WARN L192 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 97 [2020-04-18 15:57:54,129 WARN L192 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 87 [2020-04-18 15:57:55,268 WARN L192 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 143 [2020-04-18 15:57:55,913 WARN L192 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 93 [2020-04-18 15:57:57,089 WARN L192 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 139 [2020-04-18 15:57:58,280 WARN L192 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 135 [2020-04-18 15:57:59,357 WARN L192 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 59 [2020-04-18 15:57:59,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:57:59,771 INFO L93 Difference]: Finished difference Result 260 states and 461 transitions. [2020-04-18 15:57:59,772 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 461 transitions. [2020-04-18 15:57:59,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-04-18 15:57:59,773 INFO L105 Mcr]: ---- MCR iteration 2 ---- [2020-04-18 15:57:59,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:57:59,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1855082980, now seen corresponding path program 4 times [2020-04-18 15:57:59,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:57:59,774 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526790560] [2020-04-18 15:57:59,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:57:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 15:58:00,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 15:58:00,263 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526790560] [2020-04-18 15:58:00,263 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 15:58:00,263 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-04-18 15:58:00,264 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 15:58:00,266 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:58:00,274 INFO L259 McrAutomatonBuilder]: Finished intersection with 44 states and 61 transitions. [2020-04-18 15:58:00,274 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 15:58:02,121 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 6 times. [2020-04-18 15:58:02,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-04-18 15:58:02,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1590, Invalid=7152, Unknown=0, NotChecked=0, Total=8742 [2020-04-18 15:58:02,124 INFO L87 Difference]: Start difference. First operand 260 states and 461 transitions. Second operand 19 states. [2020-04-18 15:58:04,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:58:04,721 INFO L93 Difference]: Finished difference Result 260 states and 461 transitions. [2020-04-18 15:58:04,722 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 461 transitions. [2020-04-18 15:58:04,722 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 15:58:04,723 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [337544461] [2020-04-18 15:58:04,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 15:58:04,724 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-04-18 15:58:04,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [337544461] [2020-04-18 15:58:04,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 57 states [2020-04-18 15:58:04,725 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 15:58:04,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2020-04-18 15:58:04,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1690, Invalid=7816, Unknown=0, NotChecked=0, Total=9506 [2020-04-18 15:58:04,728 INFO L87 Difference]: Start difference. First operand 2698 states and 8693 transitions. Second operand 57 states. [2020-04-18 15:58:14,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:58:14,511 INFO L93 Difference]: Finished difference Result 3161 states and 9766 transitions. [2020-04-18 15:58:14,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-04-18 15:58:14,512 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 25 [2020-04-18 15:58:14,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 15:58:14,531 INFO L225 Difference]: With dead ends: 3161 [2020-04-18 15:58:14,532 INFO L226 Difference]: Without dead ends: 3161 [2020-04-18 15:58:14,534 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 50 SyntacticMatches, 52 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5486 ImplicationChecksByTransitivity, 19.0s TimeCoverageRelationStatistics Valid=1730, Invalid=7972, Unknown=0, NotChecked=0, Total=9702 [2020-04-18 15:58:14,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3161 states. [2020-04-18 15:58:14,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3161 to 2852. [2020-04-18 15:58:14,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2852 states. [2020-04-18 15:58:14,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 9100 transitions. [2020-04-18 15:58:14,642 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 9100 transitions. Word has length 25 [2020-04-18 15:58:14,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 15:58:14,644 INFO L479 AbstractCegarLoop]: Abstraction has 2852 states and 9100 transitions. [2020-04-18 15:58:14,645 INFO L480 AbstractCegarLoop]: Interpolant automaton has 57 states. [2020-04-18 15:58:14,645 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 9100 transitions. [2020-04-18 15:58:14,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 15:58:14,650 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 15:58:14,650 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 15:58:14,650 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 15:58:14,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:58:14,651 INFO L82 PathProgramCache]: Analyzing trace with hash -753361541, now seen corresponding path program 1 times [2020-04-18 15:58:14,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 15:58:14,651 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1731422156] [2020-04-18 15:58:14,652 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:58:14,655 INFO L259 McrAutomatonBuilder]: Finished intersection with 178 states and 327 transitions. [2020-04-18 15:58:14,656 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states. [2020-04-18 15:58:14,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 15:58:14,657 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 15:58:14,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:58:14,658 INFO L82 PathProgramCache]: Analyzing trace with hash -753361541, now seen corresponding path program 2 times [2020-04-18 15:58:14,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:58:14,658 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700796998] [2020-04-18 15:58:14,658 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:58:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 15:58:15,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 15:58:15,383 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700796998] [2020-04-18 15:58:15,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 15:58:15,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-04-18 15:58:15,384 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 15:58:15,388 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:58:15,395 INFO L259 McrAutomatonBuilder]: Finished intersection with 36 states and 43 transitions. [2020-04-18 15:58:15,395 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 15:58:15,756 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 2 times. [2020-04-18 15:58:15,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-04-18 15:58:15,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2020-04-18 15:58:15,757 INFO L87 Difference]: Start difference. First operand 178 states. Second operand 17 states. [2020-04-18 15:58:16,503 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2020-04-18 15:58:18,876 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 53 [2020-04-18 15:58:19,012 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 53 [2020-04-18 15:58:19,265 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 55 [2020-04-18 15:58:20,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:58:20,059 INFO L93 Difference]: Finished difference Result 302 states and 554 transitions. [2020-04-18 15:58:20,059 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 554 transitions. [2020-04-18 15:58:20,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 15:58:20,060 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 15:58:20,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:58:20,060 INFO L82 PathProgramCache]: Analyzing trace with hash -352086131, now seen corresponding path program 3 times [2020-04-18 15:58:20,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:58:20,061 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900294336] [2020-04-18 15:58:20,061 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:58:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 15:58:20,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 15:58:20,278 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900294336] [2020-04-18 15:58:20,279 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 15:58:20,279 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-04-18 15:58:20,279 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 15:58:20,284 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:58:20,310 INFO L259 McrAutomatonBuilder]: Finished intersection with 82 states and 135 transitions. [2020-04-18 15:58:20,310 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 15:58:21,364 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 13 times. [2020-04-18 15:58:21,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-04-18 15:58:21,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=362, Invalid=1990, Unknown=0, NotChecked=0, Total=2352 [2020-04-18 15:58:21,366 INFO L87 Difference]: Start difference. First operand 302 states and 554 transitions. Second operand 19 states. [2020-04-18 15:58:23,260 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 46 [2020-04-18 15:58:23,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:58:23,643 INFO L93 Difference]: Finished difference Result 332 states and 598 transitions. [2020-04-18 15:58:23,643 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 598 transitions. [2020-04-18 15:58:23,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 15:58:23,644 INFO L105 Mcr]: ---- MCR iteration 2 ---- [2020-04-18 15:58:23,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:58:23,645 INFO L82 PathProgramCache]: Analyzing trace with hash 536686401, now seen corresponding path program 4 times [2020-04-18 15:58:23,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:58:23,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896941668] [2020-04-18 15:58:23,646 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:58:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 15:58:24,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 15:58:24,402 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896941668] [2020-04-18 15:58:24,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 15:58:24,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-04-18 15:58:24,403 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 15:58:24,408 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:58:24,421 INFO L259 McrAutomatonBuilder]: Finished intersection with 54 states and 79 transitions. [2020-04-18 15:58:24,422 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 15:58:26,027 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 12 times. [2020-04-18 15:58:26,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-04-18 15:58:26,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=633, Invalid=4479, Unknown=0, NotChecked=0, Total=5112 [2020-04-18 15:58:26,029 INFO L87 Difference]: Start difference. First operand 332 states and 598 transitions. Second operand 26 states. [2020-04-18 15:58:27,651 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 66 [2020-04-18 15:58:28,223 WARN L192 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 87 [2020-04-18 15:58:28,621 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-04-18 15:58:29,127 WARN L192 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2020-04-18 15:58:29,453 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 46 [2020-04-18 15:58:29,692 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-04-18 15:58:30,272 WARN L192 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2020-04-18 15:58:30,702 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-04-18 15:58:31,375 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2020-04-18 15:58:33,739 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 54 [2020-04-18 15:58:34,195 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 56 [2020-04-18 15:58:34,398 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 56 [2020-04-18 15:58:34,873 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 58 [2020-04-18 15:58:35,139 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 48 [2020-04-18 15:58:35,673 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 50 [2020-04-18 15:58:36,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:58:36,468 INFO L93 Difference]: Finished difference Result 392 states and 693 transitions. [2020-04-18 15:58:36,468 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 693 transitions. [2020-04-18 15:58:36,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 15:58:36,469 INFO L105 Mcr]: ---- MCR iteration 3 ---- [2020-04-18 15:58:36,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:58:36,470 INFO L82 PathProgramCache]: Analyzing trace with hash -430321155, now seen corresponding path program 5 times [2020-04-18 15:58:36,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:58:36,471 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991746820] [2020-04-18 15:58:36,471 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:58:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 15:58:37,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 15:58:37,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991746820] [2020-04-18 15:58:37,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 15:58:37,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-04-18 15:58:37,245 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 15:58:37,249 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:58:37,255 INFO L259 McrAutomatonBuilder]: Finished intersection with 34 states and 39 transitions. [2020-04-18 15:58:37,255 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 15:58:39,277 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 4 times. [2020-04-18 15:58:39,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-04-18 15:58:39,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1272, Invalid=8628, Unknown=0, NotChecked=0, Total=9900 [2020-04-18 15:58:39,281 INFO L87 Difference]: Start difference. First operand 392 states and 693 transitions. Second operand 19 states. [2020-04-18 15:58:40,756 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2020-04-18 15:58:41,179 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 47 [2020-04-18 15:58:41,625 WARN L192 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 91 [2020-04-18 15:58:42,306 WARN L192 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 87 [2020-04-18 15:58:42,999 WARN L192 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 83 [2020-04-18 15:58:45,318 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 55 [2020-04-18 15:58:45,856 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 57 [2020-04-18 15:58:46,415 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 49 [2020-04-18 15:58:46,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:58:46,719 INFO L93 Difference]: Finished difference Result 440 states and 771 transitions. [2020-04-18 15:58:46,719 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 771 transitions. [2020-04-18 15:58:46,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 15:58:46,720 INFO L105 Mcr]: ---- MCR iteration 4 ---- [2020-04-18 15:58:46,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:58:46,721 INFO L82 PathProgramCache]: Analyzing trace with hash -1215770469, now seen corresponding path program 6 times [2020-04-18 15:58:46,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:58:46,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80563510] [2020-04-18 15:58:46,721 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:58:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 15:58:47,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 15:58:47,409 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80563510] [2020-04-18 15:58:47,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 15:58:47,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-04-18 15:58:47,409 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 15:58:47,414 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:58:47,421 INFO L259 McrAutomatonBuilder]: Finished intersection with 28 states and 27 transitions. [2020-04-18 15:58:47,421 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 15:58:48,301 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 15:58:48,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-04-18 15:58:48,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1723, Invalid=10933, Unknown=0, NotChecked=0, Total=12656 [2020-04-18 15:58:48,304 INFO L87 Difference]: Start difference. First operand 440 states and 771 transitions. Second operand 15 states. [2020-04-18 15:58:49,430 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 49 [2020-04-18 15:58:50,960 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2020-04-18 15:58:51,237 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 58 [2020-04-18 15:58:51,422 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 58 [2020-04-18 15:58:51,803 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 60 [2020-04-18 15:58:52,029 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2020-04-18 15:58:52,413 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 53 [2020-04-18 15:58:52,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:58:52,661 INFO L93 Difference]: Finished difference Result 455 states and 785 transitions. [2020-04-18 15:58:52,661 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 785 transitions. [2020-04-18 15:58:52,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 15:58:52,662 INFO L105 Mcr]: ---- MCR iteration 5 ---- [2020-04-18 15:58:52,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:58:52,662 INFO L82 PathProgramCache]: Analyzing trace with hash 111879065, now seen corresponding path program 7 times [2020-04-18 15:58:52,662 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:58:52,662 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434948822] [2020-04-18 15:58:52,663 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:58:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 15:58:53,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 15:58:53,437 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434948822] [2020-04-18 15:58:53,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 15:58:53,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-04-18 15:58:53,437 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 15:58:53,441 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:58:53,449 INFO L259 McrAutomatonBuilder]: Finished intersection with 39 states and 49 transitions. [2020-04-18 15:58:53,450 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 15:58:54,972 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 9 times. [2020-04-18 15:58:54,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-04-18 15:58:54,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2233, Invalid=15589, Unknown=0, NotChecked=0, Total=17822 [2020-04-18 15:58:54,974 INFO L87 Difference]: Start difference. First operand 455 states and 785 transitions. Second operand 23 states. [2020-04-18 15:58:58,697 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 55 [2020-04-18 15:58:59,103 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 56 [2020-04-18 15:58:59,349 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 56 [2020-04-18 15:58:59,789 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 58 [2020-04-18 15:59:00,394 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 47 [2020-04-18 15:59:00,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:59:00,944 INFO L93 Difference]: Finished difference Result 455 states and 785 transitions. [2020-04-18 15:59:00,944 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 785 transitions. [2020-04-18 15:59:00,944 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 15:59:00,945 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1731422156] [2020-04-18 15:59:00,946 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 15:59:00,946 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-04-18 15:59:00,946 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1731422156] [2020-04-18 15:59:00,946 INFO L459 AbstractCegarLoop]: Interpolant automaton has 68 states [2020-04-18 15:59:00,946 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 15:59:00,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2020-04-18 15:59:00,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2590, Invalid=17150, Unknown=0, NotChecked=0, Total=19740 [2020-04-18 15:59:00,948 INFO L87 Difference]: Start difference. First operand 2852 states and 9100 transitions. Second operand 68 states. [2020-04-18 15:59:06,191 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 43 [2020-04-18 15:59:09,153 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 44 [2020-04-18 15:59:10,283 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 47 [2020-04-18 15:59:11,407 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 52 [2020-04-18 15:59:13,259 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 52 [2020-04-18 15:59:14,045 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 51 [2020-04-18 15:59:14,807 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 53 [2020-04-18 15:59:20,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:59:20,827 INFO L93 Difference]: Finished difference Result 4511 states and 14663 transitions. [2020-04-18 15:59:20,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-04-18 15:59:20,828 INFO L78 Accepts]: Start accepts. Automaton has 68 states. Word has length 27 [2020-04-18 15:59:20,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 15:59:20,905 INFO L225 Difference]: With dead ends: 4511 [2020-04-18 15:59:20,905 INFO L226 Difference]: Without dead ends: 4511 [2020-04-18 15:59:20,907 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 117 SyntacticMatches, 51 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14396 ImplicationChecksByTransitivity, 23.1s TimeCoverageRelationStatistics Valid=3501, Invalid=24891, Unknown=0, NotChecked=0, Total=28392 [2020-04-18 15:59:20,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4511 states. [2020-04-18 15:59:20,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4511 to 3521. [2020-04-18 15:59:20,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3521 states. [2020-04-18 15:59:21,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3521 states to 3521 states and 11385 transitions. [2020-04-18 15:59:21,008 INFO L78 Accepts]: Start accepts. Automaton has 3521 states and 11385 transitions. Word has length 27 [2020-04-18 15:59:21,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 15:59:21,009 INFO L479 AbstractCegarLoop]: Abstraction has 3521 states and 11385 transitions. [2020-04-18 15:59:21,009 INFO L480 AbstractCegarLoop]: Interpolant automaton has 68 states. [2020-04-18 15:59:21,009 INFO L276 IsEmpty]: Start isEmpty. Operand 3521 states and 11385 transitions. [2020-04-18 15:59:21,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 15:59:21,014 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 15:59:21,014 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 15:59:21,014 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 15:59:21,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:59:21,015 INFO L82 PathProgramCache]: Analyzing trace with hash -753361540, now seen corresponding path program 1 times [2020-04-18 15:59:21,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 15:59:21,015 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [390420588] [2020-04-18 15:59:21,016 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:59:21,019 INFO L259 McrAutomatonBuilder]: Finished intersection with 178 states and 327 transitions. [2020-04-18 15:59:21,019 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states. [2020-04-18 15:59:21,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 15:59:21,020 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 15:59:21,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:59:21,021 INFO L82 PathProgramCache]: Analyzing trace with hash -753361540, now seen corresponding path program 2 times [2020-04-18 15:59:21,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:59:21,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841134668] [2020-04-18 15:59:21,021 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:59:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 15:59:21,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 15:59:21,598 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841134668] [2020-04-18 15:59:21,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 15:59:21,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-04-18 15:59:21,598 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 15:59:21,603 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:59:21,610 INFO L259 McrAutomatonBuilder]: Finished intersection with 36 states and 43 transitions. [2020-04-18 15:59:21,610 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 15:59:21,893 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 1 times. [2020-04-18 15:59:21,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-04-18 15:59:21,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-04-18 15:59:21,894 INFO L87 Difference]: Start difference. First operand 178 states. Second operand 15 states. [2020-04-18 15:59:24,183 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 55 [2020-04-18 15:59:24,381 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 57 [2020-04-18 15:59:24,518 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2020-04-18 15:59:24,769 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 59 [2020-04-18 15:59:25,207 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 49 [2020-04-18 15:59:25,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:59:25,483 INFO L93 Difference]: Finished difference Result 302 states and 554 transitions. [2020-04-18 15:59:25,483 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 554 transitions. [2020-04-18 15:59:25,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 15:59:25,484 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 15:59:25,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:59:25,485 INFO L82 PathProgramCache]: Analyzing trace with hash -352085170, now seen corresponding path program 3 times [2020-04-18 15:59:25,485 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:59:25,485 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430239560] [2020-04-18 15:59:25,486 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:59:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 15:59:25,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 15:59:25,652 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430239560] [2020-04-18 15:59:25,653 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 15:59:25,653 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-04-18 15:59:25,653 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 15:59:25,710 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:59:25,733 INFO L259 McrAutomatonBuilder]: Finished intersection with 82 states and 135 transitions. [2020-04-18 15:59:25,733 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 15:59:26,767 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 12 times. [2020-04-18 15:59:26,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-04-18 15:59:26,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=1673, Unknown=0, NotChecked=0, Total=1980 [2020-04-18 15:59:26,768 INFO L87 Difference]: Start difference. First operand 302 states and 554 transitions. Second operand 17 states. [2020-04-18 15:59:28,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:59:28,832 INFO L93 Difference]: Finished difference Result 332 states and 598 transitions. [2020-04-18 15:59:28,832 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 598 transitions. [2020-04-18 15:59:28,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 15:59:28,833 INFO L105 Mcr]: ---- MCR iteration 2 ---- [2020-04-18 15:59:28,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:59:28,834 INFO L82 PathProgramCache]: Analyzing trace with hash 536686402, now seen corresponding path program 4 times [2020-04-18 15:59:28,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:59:28,834 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397759501] [2020-04-18 15:59:28,834 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:59:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 15:59:29,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 15:59:29,564 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397759501] [2020-04-18 15:59:29,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 15:59:29,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-04-18 15:59:29,564 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 15:59:29,568 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:59:29,580 INFO L259 McrAutomatonBuilder]: Finished intersection with 54 states and 79 transitions. [2020-04-18 15:59:29,580 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 15:59:31,176 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 12 times. [2020-04-18 15:59:31,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-04-18 15:59:31,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=541, Invalid=3881, Unknown=0, NotChecked=0, Total=4422 [2020-04-18 15:59:31,177 INFO L87 Difference]: Start difference. First operand 332 states and 598 transitions. Second operand 26 states. [2020-04-18 15:59:32,845 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 64 [2020-04-18 15:59:33,397 WARN L192 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 85 [2020-04-18 15:59:34,221 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 81 [2020-04-18 15:59:34,652 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-04-18 15:59:35,173 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2020-04-18 15:59:35,578 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-04-18 15:59:38,538 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-04-18 15:59:38,952 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 57 [2020-04-18 15:59:39,142 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 57 [2020-04-18 15:59:39,617 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 59 [2020-04-18 15:59:39,869 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 46 [2020-04-18 15:59:40,377 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 48 [2020-04-18 15:59:41,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:59:41,101 INFO L93 Difference]: Finished difference Result 392 states and 693 transitions. [2020-04-18 15:59:41,101 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 693 transitions. [2020-04-18 15:59:41,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 15:59:41,102 INFO L105 Mcr]: ---- MCR iteration 3 ---- [2020-04-18 15:59:41,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:59:41,103 INFO L82 PathProgramCache]: Analyzing trace with hash -430321154, now seen corresponding path program 5 times [2020-04-18 15:59:41,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:59:41,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674994167] [2020-04-18 15:59:41,103 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:59:41,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 15:59:41,529 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 36 [2020-04-18 15:59:41,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 15:59:41,829 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674994167] [2020-04-18 15:59:41,830 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 15:59:41,830 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-04-18 15:59:41,830 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 15:59:41,833 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:59:41,840 INFO L259 McrAutomatonBuilder]: Finished intersection with 34 states and 39 transitions. [2020-04-18 15:59:41,841 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 15:59:43,144 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 4 times. [2020-04-18 15:59:43,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-04-18 15:59:43,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1175, Invalid=8137, Unknown=0, NotChecked=0, Total=9312 [2020-04-18 15:59:43,145 INFO L87 Difference]: Start difference. First operand 392 states and 693 transitions. Second operand 19 states. [2020-04-18 15:59:44,585 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2020-04-18 15:59:44,967 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 45 [2020-04-18 15:59:45,346 WARN L192 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 87 [2020-04-18 15:59:45,990 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 83 [2020-04-18 15:59:46,614 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 79 [2020-04-18 15:59:49,020 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 53 [2020-04-18 15:59:49,212 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 53 [2020-04-18 15:59:49,705 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 55 [2020-04-18 15:59:50,302 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 47 [2020-04-18 15:59:50,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:59:50,709 INFO L93 Difference]: Finished difference Result 444 states and 775 transitions. [2020-04-18 15:59:50,709 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 775 transitions. [2020-04-18 15:59:50,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 15:59:50,710 INFO L105 Mcr]: ---- MCR iteration 4 ---- [2020-04-18 15:59:50,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:59:50,711 INFO L82 PathProgramCache]: Analyzing trace with hash -636761298, now seen corresponding path program 6 times [2020-04-18 15:59:50,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:59:50,711 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448007492] [2020-04-18 15:59:50,712 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:59:50,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 15:59:51,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 15:59:51,151 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448007492] [2020-04-18 15:59:51,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 15:59:51,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-04-18 15:59:51,152 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 15:59:51,155 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:59:51,164 INFO L259 McrAutomatonBuilder]: Finished intersection with 40 states and 51 transitions. [2020-04-18 15:59:51,164 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 15:59:51,888 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 2 times. [2020-04-18 15:59:51,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-04-18 15:59:51,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1872, Invalid=11934, Unknown=0, NotChecked=0, Total=13806 [2020-04-18 15:59:51,890 INFO L87 Difference]: Start difference. First operand 444 states and 775 transitions. Second operand 12 states. [2020-04-18 15:59:54,181 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2020-04-18 15:59:54,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:59:54,581 INFO L93 Difference]: Finished difference Result 576 states and 1000 transitions. [2020-04-18 15:59:54,581 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 1000 transitions. [2020-04-18 15:59:54,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 15:59:54,583 INFO L105 Mcr]: ---- MCR iteration 5 ---- [2020-04-18 15:59:54,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:59:54,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1215770468, now seen corresponding path program 7 times [2020-04-18 15:59:54,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:59:54,584 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204646457] [2020-04-18 15:59:54,584 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:59:54,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 15:59:55,042 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 38 [2020-04-18 15:59:55,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 15:59:55,301 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204646457] [2020-04-18 15:59:55,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 15:59:55,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-04-18 15:59:55,301 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 15:59:55,306 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:59:55,312 INFO L259 McrAutomatonBuilder]: Finished intersection with 28 states and 27 transitions. [2020-04-18 15:59:55,313 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 15:59:55,910 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 15:59:55,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-04-18 15:59:55,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2234, Invalid=15058, Unknown=0, NotChecked=0, Total=17292 [2020-04-18 15:59:55,911 INFO L87 Difference]: Start difference. First operand 576 states and 1000 transitions. Second operand 15 states. [2020-04-18 15:59:57,188 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 49 [2020-04-18 15:59:58,852 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 58 [2020-04-18 15:59:59,194 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2020-04-18 15:59:59,396 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2020-04-18 15:59:59,813 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 62 [2020-04-18 16:00:00,049 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 49 [2020-04-18 16:00:00,462 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 51 [2020-04-18 16:00:00,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:00:00,733 INFO L93 Difference]: Finished difference Result 592 states and 1014 transitions. [2020-04-18 16:00:00,734 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 1014 transitions. [2020-04-18 16:00:00,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 16:00:00,734 INFO L105 Mcr]: ---- MCR iteration 6 ---- [2020-04-18 16:00:00,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:00:00,735 INFO L82 PathProgramCache]: Analyzing trace with hash 111879066, now seen corresponding path program 8 times [2020-04-18 16:00:00,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:00:00,735 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114197118] [2020-04-18 16:00:00,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:00:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:00:01,441 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 16:00:01,442 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114197118] [2020-04-18 16:00:01,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:00:01,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-04-18 16:00:01,442 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:00:01,446 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:00:01,454 INFO L259 McrAutomatonBuilder]: Finished intersection with 39 states and 49 transitions. [2020-04-18 16:00:01,455 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:00:03,261 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 9 times. [2020-04-18 16:00:03,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-04-18 16:00:03,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2836, Invalid=20116, Unknown=0, NotChecked=0, Total=22952 [2020-04-18 16:00:03,263 INFO L87 Difference]: Start difference. First operand 592 states and 1014 transitions. Second operand 22 states. [2020-04-18 16:00:07,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:00:07,785 INFO L93 Difference]: Finished difference Result 592 states and 1014 transitions. [2020-04-18 16:00:07,786 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 1014 transitions. [2020-04-18 16:00:07,787 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 16:00:07,788 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [390420588] [2020-04-18 16:00:07,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 16:00:07,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-04-18 16:00:07,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [390420588] [2020-04-18 16:00:07,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 72 states [2020-04-18 16:00:07,789 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 16:00:07,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2020-04-18 16:00:07,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2836, Invalid=20116, Unknown=0, NotChecked=0, Total=22952 [2020-04-18 16:00:07,790 INFO L87 Difference]: Start difference. First operand 3521 states and 11385 transitions. Second operand 72 states. [2020-04-18 16:00:11,014 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 48 [2020-04-18 16:00:13,015 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 43 [2020-04-18 16:00:15,677 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 46 [2020-04-18 16:00:16,690 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 46 [2020-04-18 16:00:17,769 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 50 [2020-04-18 16:00:19,504 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 56 [2020-04-18 16:00:20,237 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 49 [2020-04-18 16:00:20,960 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 51 [2020-04-18 16:00:26,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:00:26,612 INFO L93 Difference]: Finished difference Result 4436 states and 14379 transitions. [2020-04-18 16:00:26,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-04-18 16:00:26,613 INFO L78 Accepts]: Start accepts. Automaton has 72 states. Word has length 27 [2020-04-18 16:00:26,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 16:00:26,630 INFO L225 Difference]: With dead ends: 4436 [2020-04-18 16:00:26,630 INFO L226 Difference]: Without dead ends: 4436 [2020-04-18 16:00:26,631 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 105 SyntacticMatches, 83 SemanticMatches, 183 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19229 ImplicationChecksByTransitivity, 24.8s TimeCoverageRelationStatistics Valid=4004, Invalid=30036, Unknown=0, NotChecked=0, Total=34040 [2020-04-18 16:00:26,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4436 states. [2020-04-18 16:00:26,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4436 to 3521. [2020-04-18 16:00:26,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3521 states. [2020-04-18 16:00:26,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3521 states to 3521 states and 11310 transitions. [2020-04-18 16:00:26,742 INFO L78 Accepts]: Start accepts. Automaton has 3521 states and 11310 transitions. Word has length 27 [2020-04-18 16:00:26,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 16:00:26,742 INFO L479 AbstractCegarLoop]: Abstraction has 3521 states and 11310 transitions. [2020-04-18 16:00:26,742 INFO L480 AbstractCegarLoop]: Interpolant automaton has 72 states. [2020-04-18 16:00:26,743 INFO L276 IsEmpty]: Start isEmpty. Operand 3521 states and 11310 transitions. [2020-04-18 16:00:26,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 16:00:26,748 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:00:26,748 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 16:00:26,749 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 16:00:26,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:00:26,749 INFO L82 PathProgramCache]: Analyzing trace with hash -798819684, now seen corresponding path program 1 times [2020-04-18 16:00:26,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:00:26,749 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [702553612] [2020-04-18 16:00:26,750 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:00:26,753 INFO L259 McrAutomatonBuilder]: Finished intersection with 178 states and 327 transitions. [2020-04-18 16:00:26,754 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states. [2020-04-18 16:00:26,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 16:00:26,755 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:00:26,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:00:26,755 INFO L82 PathProgramCache]: Analyzing trace with hash -798819684, now seen corresponding path program 2 times [2020-04-18 16:00:26,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:00:26,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305152262] [2020-04-18 16:00:26,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:00:26,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:00:27,457 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 16:00:27,457 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305152262] [2020-04-18 16:00:27,457 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:00:27,457 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-04-18 16:00:27,457 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:00:27,461 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:00:27,471 INFO L259 McrAutomatonBuilder]: Finished intersection with 52 states and 75 transitions. [2020-04-18 16:00:27,472 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:00:28,449 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 12 times. [2020-04-18 16:00:28,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-04-18 16:00:28,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=638, Unknown=0, NotChecked=0, Total=756 [2020-04-18 16:00:28,450 INFO L87 Difference]: Start difference. First operand 178 states. Second operand 28 states. [2020-04-18 16:00:29,782 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 45 [2020-04-18 16:00:30,544 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 48 [2020-04-18 16:00:30,964 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 51 [2020-04-18 16:00:31,460 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 56 [2020-04-18 16:00:34,191 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 59 [2020-04-18 16:00:34,583 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 64 [2020-04-18 16:00:34,750 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 61 [2020-04-18 16:00:35,213 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 66 [2020-04-18 16:00:35,474 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 53 [2020-04-18 16:00:35,960 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 58 [2020-04-18 16:00:36,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:00:36,605 INFO L93 Difference]: Finished difference Result 316 states and 582 transitions. [2020-04-18 16:00:36,606 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 582 transitions. [2020-04-18 16:00:36,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 16:00:36,607 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 16:00:36,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:00:36,607 INFO L82 PathProgramCache]: Analyzing trace with hash 882460, now seen corresponding path program 3 times [2020-04-18 16:00:36,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:00:36,608 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330789602] [2020-04-18 16:00:36,608 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:00:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:00:36,785 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 16:00:36,785 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330789602] [2020-04-18 16:00:36,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:00:36,786 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-04-18 16:00:36,786 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:00:36,793 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:00:36,821 INFO L259 McrAutomatonBuilder]: Finished intersection with 88 states and 147 transitions. [2020-04-18 16:00:36,822 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:00:38,254 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 16 times. [2020-04-18 16:00:38,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-04-18 16:00:38,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=681, Invalid=3741, Unknown=0, NotChecked=0, Total=4422 [2020-04-18 16:00:38,256 INFO L87 Difference]: Start difference. First operand 316 states and 582 transitions. Second operand 24 states. [2020-04-18 16:00:39,185 WARN L192 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 31 [2020-04-18 16:00:41,729 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 43 [2020-04-18 16:00:42,068 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 45 [2020-04-18 16:00:43,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:00:43,319 INFO L93 Difference]: Finished difference Result 483 states and 894 transitions. [2020-04-18 16:00:43,319 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 894 transitions. [2020-04-18 16:00:43,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 16:00:43,320 INFO L105 Mcr]: ---- MCR iteration 2 ---- [2020-04-18 16:00:43,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:00:43,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1038317728, now seen corresponding path program 4 times [2020-04-18 16:00:43,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:00:43,321 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649387508] [2020-04-18 16:00:43,321 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:00:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:00:43,460 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 16:00:43,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649387508] [2020-04-18 16:00:43,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:00:43,461 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-04-18 16:00:43,461 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:00:43,466 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:00:43,473 INFO L259 McrAutomatonBuilder]: Finished intersection with 28 states and 27 transitions. [2020-04-18 16:00:43,473 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:00:43,736 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 16:00:43,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 16:00:43,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=951, Invalid=5529, Unknown=0, NotChecked=0, Total=6480 [2020-04-18 16:00:43,737 INFO L87 Difference]: Start difference. First operand 483 states and 894 transitions. Second operand 6 states. [2020-04-18 16:00:44,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:00:44,074 INFO L93 Difference]: Finished difference Result 545 states and 996 transitions. [2020-04-18 16:00:44,075 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 996 transitions. [2020-04-18 16:00:44,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 16:00:44,076 INFO L105 Mcr]: ---- MCR iteration 3 ---- [2020-04-18 16:00:44,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:00:44,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1995573740, now seen corresponding path program 5 times [2020-04-18 16:00:44,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:00:44,077 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154077018] [2020-04-18 16:00:44,077 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:00:44,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:00:44,250 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 16:00:44,250 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154077018] [2020-04-18 16:00:44,250 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:00:44,251 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 16:00:44,251 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:00:44,256 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:00:44,268 INFO L259 McrAutomatonBuilder]: Finished intersection with 43 states and 57 transitions. [2020-04-18 16:00:44,268 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:00:44,669 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 16:00:44,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-18 16:00:44,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1019, Invalid=6813, Unknown=0, NotChecked=0, Total=7832 [2020-04-18 16:00:44,670 INFO L87 Difference]: Start difference. First operand 545 states and 996 transitions. Second operand 7 states. [2020-04-18 16:00:45,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:00:45,108 INFO L93 Difference]: Finished difference Result 575 states and 1040 transitions. [2020-04-18 16:00:45,108 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 1040 transitions. [2020-04-18 16:00:45,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 16:00:45,109 INFO L105 Mcr]: ---- MCR iteration 4 ---- [2020-04-18 16:00:45,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:00:45,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1133772382, now seen corresponding path program 6 times [2020-04-18 16:00:45,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:00:45,110 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159749054] [2020-04-18 16:00:45,110 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:00:45,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:00:45,695 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 37 [2020-04-18 16:00:46,015 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 16:00:46,016 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159749054] [2020-04-18 16:00:46,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:00:46,016 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-04-18 16:00:46,016 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:00:46,021 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:00:46,042 INFO L259 McrAutomatonBuilder]: Finished intersection with 70 states and 111 transitions. [2020-04-18 16:00:46,042 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:00:48,325 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 23 times. [2020-04-18 16:00:48,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2020-04-18 16:00:48,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1241, Invalid=9889, Unknown=0, NotChecked=0, Total=11130 [2020-04-18 16:00:48,326 INFO L87 Difference]: Start difference. First operand 575 states and 1040 transitions. Second operand 39 states. [2020-04-18 16:00:49,338 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 49 [2020-04-18 16:00:50,078 WARN L192 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 94 [2020-04-18 16:00:50,838 WARN L192 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 97 [2020-04-18 16:00:51,449 WARN L192 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 114 [2020-04-18 16:00:52,597 WARN L192 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 121 [2020-04-18 16:00:53,279 WARN L192 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 110 [2020-04-18 16:00:54,120 WARN L192 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 99 [2020-04-18 16:00:54,869 WARN L192 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 117 [2020-04-18 16:00:55,531 WARN L192 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 106 [2020-04-18 16:00:56,580 WARN L192 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 118 [2020-04-18 16:00:57,651 WARN L192 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 113 [2020-04-18 16:00:58,267 WARN L192 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 102 [2020-04-18 16:00:59,309 WARN L192 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 114 [2020-04-18 16:01:00,414 WARN L192 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 109 [2020-04-18 16:01:00,997 WARN L192 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 98 [2020-04-18 16:01:02,116 WARN L192 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 110 [2020-04-18 16:01:03,168 WARN L192 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 105 [2020-04-18 16:01:03,722 WARN L192 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 94 [2020-04-18 16:01:04,930 WARN L192 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 106 [2020-04-18 16:01:05,756 WARN L192 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 101 [2020-04-18 16:01:07,076 WARN L192 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 102 [2020-04-18 16:01:08,436 WARN L192 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 98 [2020-04-18 16:01:11,661 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 61 [2020-04-18 16:01:12,349 WARN L192 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 66 [2020-04-18 16:01:12,733 WARN L192 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 63 [2020-04-18 16:01:13,512 WARN L192 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 68 [2020-04-18 16:01:14,034 WARN L192 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 55 [2020-04-18 16:01:14,890 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 60 [2020-04-18 16:01:15,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:01:15,865 INFO L93 Difference]: Finished difference Result 656 states and 1177 transitions. [2020-04-18 16:01:15,865 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 1177 transitions. [2020-04-18 16:01:15,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 16:01:15,867 INFO L105 Mcr]: ---- MCR iteration 5 ---- [2020-04-18 16:01:15,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:01:15,867 INFO L82 PathProgramCache]: Analyzing trace with hash -59649168, now seen corresponding path program 7 times [2020-04-18 16:01:15,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:01:15,867 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298696087] [2020-04-18 16:01:15,867 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:01:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:01:16,628 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 16:01:16,628 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298696087] [2020-04-18 16:01:16,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:01:16,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-04-18 16:01:16,628 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:01:16,631 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:01:16,641 INFO L259 McrAutomatonBuilder]: Finished intersection with 50 states and 71 transitions. [2020-04-18 16:01:16,641 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:01:18,813 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 10 times. [2020-04-18 16:01:18,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-04-18 16:01:18,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3086, Invalid=19564, Unknown=0, NotChecked=0, Total=22650 [2020-04-18 16:01:18,815 INFO L87 Difference]: Start difference. First operand 656 states and 1177 transitions. Second operand 26 states. Received shutdown request... [2020-04-18 16:01:24,040 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.RuntimeException: de.uni_freiburg.informatik.ultimate.automata.AutomataOperationCanceledException: Timeout or canceled by user. at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.StrategyModuleMcr.getOrConstruct(StrategyModuleMcr.java:128) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.StrategyModuleMcr.isCorrect(StrategyModuleMcr.java:64) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:352) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.automata.AutomataOperationCanceledException: Timeout or canceled by user. at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1067) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:966) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:187) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.Mcr.exploreInterleavings(Mcr.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.Mcr.(Mcr.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.StrategyModuleMcr.getOrConstruct(StrategyModuleMcr.java:126) ... 23 more [2020-04-18 16:01:24,045 INFO L168 Benchmark]: Toolchain (without parser) took 256722.80 ms. Allocated memory was 140.0 MB in the beginning and 816.8 MB in the end (delta: 676.9 MB). Free memory was 99.7 MB in the beginning and 632.8 MB in the end (delta: -533.1 MB). Peak memory consumption was 143.7 MB. Max. memory is 7.1 GB. [2020-04-18 16:01:24,045 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-04-18 16:01:24,046 INFO L168 Benchmark]: CACSL2BoogieTranslator took 957.02 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 97.7 MB in the beginning and 123.6 MB in the end (delta: -25.9 MB). Peak memory consumption was 41.7 MB. Max. memory is 7.1 GB. [2020-04-18 16:01:24,046 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.39 ms. Allocated memory is still 202.4 MB. Free memory was 123.6 MB in the beginning and 120.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2020-04-18 16:01:24,047 INFO L168 Benchmark]: Boogie Preprocessor took 46.86 ms. Allocated memory is still 202.4 MB. Free memory was 120.2 MB in the beginning and 118.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-04-18 16:01:24,047 INFO L168 Benchmark]: RCFGBuilder took 679.76 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 118.1 MB in the beginning and 195.5 MB in the end (delta: -77.3 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB. [2020-04-18 16:01:24,048 INFO L168 Benchmark]: TraceAbstraction took 254932.26 ms. Allocated memory was 234.9 MB in the beginning and 816.8 MB in the end (delta: 582.0 MB). Free memory was 195.5 MB in the beginning and 632.8 MB in the end (delta: -437.3 MB). Peak memory consumption was 144.6 MB. Max. memory is 7.1 GB. [2020-04-18 16:01:24,050 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 957.02 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 97.7 MB in the beginning and 123.6 MB in the end (delta: -25.9 MB). Peak memory consumption was 41.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 85.39 ms. Allocated memory is still 202.4 MB. Free memory was 123.6 MB in the beginning and 120.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.86 ms. Allocated memory is still 202.4 MB. Free memory was 120.2 MB in the beginning and 118.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 679.76 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 118.1 MB in the beginning and 195.5 MB in the end (delta: -77.3 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 254932.26 ms. Allocated memory was 234.9 MB in the beginning and 816.8 MB in the end (delta: 582.0 MB). Free memory was 195.5 MB in the beginning and 632.8 MB in the end (delta: -437.3 MB). Peak memory consumption was 144.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.7s, 177 ProgramPointsBefore, 59 ProgramPointsAfterwards, 189 TransitionsBefore, 65 TransitionsAfterwards, 15102 CoEnabledTransitionPairs, 5 FixpointIterations, 20 TrivialSequentialCompositions, 102 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 27 ConcurrentYvCompositions, 6 ChoiceCompositions, 7548 VarBasedMoverChecksPositive, 79 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 20948 CheckedPairsTotal, 149 TotalNumberOfCompositions - ExceptionOrErrorResult: RuntimeException: de.uni_freiburg.informatik.ultimate.automata.AutomataOperationCanceledException: Timeout or canceled by user. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: RuntimeException: de.uni_freiburg.informatik.ultimate.automata.AutomataOperationCanceledException: Timeout or canceled by user.: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.StrategyModuleMcr.getOrConstruct(StrategyModuleMcr.java:128) RESULT: Ultimate could not prove your program: Toolchain returned no result. Completed graceful shutdown