java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/systemc/token_ring.02.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:43:52,443 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:43:52,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:43:52,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:43:52,464 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:43:52,466 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:43:52,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:43:52,480 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:43:52,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:43:52,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:43:52,483 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:43:52,484 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:43:52,485 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:43:52,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:43:52,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:43:52,487 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:43:52,488 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:43:52,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:43:52,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:43:52,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:43:52,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:43:52,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:43:52,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:43:52,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:43:52,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:43:52,499 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:43:52,499 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:43:52,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:43:52,500 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:43:52,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:43:52,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:43:52,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:43:52,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:43:52,503 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:43:52,504 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:43:52,504 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:43:52,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:43:52,505 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:43:52,505 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:43:52,506 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:43:52,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:43:52,508 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 17:43:52,521 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:43:52,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:43:52,523 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:43:52,523 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:43:52,523 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:43:52,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:43:52,523 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:43:52,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:43:52,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:43:52,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:43:52,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:43:52,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:43:52,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:43:52,525 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:43:52,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:43:52,525 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:43:52,525 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:43:52,525 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:43:52,526 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:43:52,526 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:43:52,526 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:43:52,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:43:52,526 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:43:52,527 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:43:52,527 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:43:52,527 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:43:52,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:43:52,527 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:43:52,528 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 17:43:52,557 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:43:52,569 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:43:52,572 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:43:52,574 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:43:52,574 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:43:52,575 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-1.c [2019-09-20 17:43:52,631 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58c8c796e/eb7dda7fcb9a42f9871379985d06c679/FLAG0a21049e6 [2019-09-20 17:43:53,103 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:43:53,104 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.02.cil-1.c [2019-09-20 17:43:53,114 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58c8c796e/eb7dda7fcb9a42f9871379985d06c679/FLAG0a21049e6 [2019-09-20 17:43:53,481 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58c8c796e/eb7dda7fcb9a42f9871379985d06c679 [2019-09-20 17:43:53,491 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:43:53,492 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:43:53,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:43:53,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:43:53,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:43:53,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:43:53" (1/1) ... [2019-09-20 17:43:53,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dbd8788 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:53, skipping insertion in model container [2019-09-20 17:43:53,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:43:53" (1/1) ... [2019-09-20 17:43:53,509 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:43:53,570 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:43:53,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:43:53,791 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:43:53,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:43:53,940 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:43:53,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:53 WrapperNode [2019-09-20 17:43:53,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:43:53,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:43:53,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:43:53,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:43:53,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:53" (1/1) ... [2019-09-20 17:43:53,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:53" (1/1) ... [2019-09-20 17:43:53,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:53" (1/1) ... [2019-09-20 17:43:53,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:53" (1/1) ... [2019-09-20 17:43:53,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:53" (1/1) ... [2019-09-20 17:43:53,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:53" (1/1) ... [2019-09-20 17:43:53,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:53" (1/1) ... [2019-09-20 17:43:54,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:43:54,001 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:43:54,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:43:54,002 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:43:54,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:53" (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 [2019-09-20 17:43:54,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:43:54,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:43:54,069 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 17:43:54,069 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-20 17:43:54,069 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-20 17:43:54,069 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-20 17:43:54,069 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-20 17:43:54,070 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-20 17:43:54,070 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-20 17:43:54,070 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 17:43:54,070 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 17:43:54,070 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 17:43:54,071 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 17:43:54,071 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 17:43:54,071 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 17:43:54,071 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 17:43:54,071 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 17:43:54,071 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 17:43:54,072 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 17:43:54,072 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 17:43:54,072 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 17:43:54,072 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 17:43:54,072 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:43:54,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:43:54,075 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 17:43:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-20 17:43:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-20 17:43:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-20 17:43:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 17:43:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 17:43:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-20 17:43:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-20 17:43:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-20 17:43:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 17:43:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 17:43:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 17:43:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 17:43:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 17:43:54,078 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 17:43:54,078 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 17:43:54,078 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 17:43:54,078 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 17:43:54,078 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 17:43:54,078 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 17:43:54,079 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 17:43:54,079 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:43:54,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:43:54,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:43:54,959 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:43:54,959 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 17:43:54,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:43:54 BoogieIcfgContainer [2019-09-20 17:43:54,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:43:54,961 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:43:54,961 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:43:54,961 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:43:54,963 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:43:54" (1/1) ... [2019-09-20 17:43:54,963 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 17:43:54,993 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:43:54,993 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:43:55,012 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:43:55,023 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:43:55,028 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:43:55,347 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-20 17:43:55,531 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 40 [2019-09-20 17:43:55,544 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 74 for LOIs [2019-09-20 17:43:55,627 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 72 for LOIs [2019-09-20 17:43:55,924 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 17:43:56,924 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-20 17:43:57,210 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-20 17:43:57,794 WARN L191 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2019-09-20 17:43:58,076 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-20 17:43:58,572 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2019-09-20 17:43:58,646 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 17:43:58,887 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 26 [2019-09-20 17:43:59,344 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 34 [2019-09-20 17:43:59,627 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 40 [2019-09-20 17:43:59,954 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2019-09-20 17:44:00,119 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 40 [2019-09-20 17:44:00,462 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2019-09-20 17:44:00,570 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2019-09-20 17:44:00,954 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 29 [2019-09-20 17:44:01,766 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2019-09-20 17:44:02,063 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2019-09-20 17:44:02,184 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2019-09-20 17:44:02,483 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2019-09-20 17:44:03,408 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-20 17:44:03,660 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-20 17:44:03,861 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2019-09-20 17:44:04,171 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2019-09-20 17:44:04,506 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 71 [2019-09-20 17:44:04,619 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 17:44:04,880 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-09-20 17:44:05,291 WARN L191 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 55 [2019-09-20 17:44:05,575 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-09-20 17:44:05,992 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 55 [2019-09-20 17:44:06,276 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-09-20 17:44:06,590 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 75 [2019-09-20 17:44:07,089 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 63 [2019-09-20 17:44:07,418 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-09-20 17:44:07,913 WARN L191 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 63 [2019-09-20 17:44:08,031 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-20 17:44:08,260 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-09-20 17:44:08,598 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-09-20 17:44:08,910 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2019-09-20 17:44:09,107 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-09-20 17:44:09,398 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2019-09-20 17:44:09,650 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 69 [2019-09-20 17:44:09,757 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 17:44:09,970 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-09-20 17:44:10,182 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 53 [2019-09-20 17:44:10,411 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-20 17:44:10,696 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 51 [2019-09-20 17:44:10,958 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2019-09-20 17:44:11,237 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 51 [2019-09-20 17:44:11,510 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2019-09-20 17:44:11,820 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 58 [2019-09-20 17:44:12,082 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-09-20 17:44:12,214 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 43 [2019-09-20 17:44:12,388 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2019-09-20 17:44:12,618 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 53 [2019-09-20 17:44:12,934 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 53 [2019-09-20 17:44:13,299 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-20 17:44:13,468 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 54 [2019-09-20 17:44:13,696 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2019-09-20 17:44:13,861 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2019-09-20 17:44:14,117 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2019-09-20 17:44:14,294 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2019-09-20 17:44:14,577 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-20 17:44:14,932 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 47 [2019-09-20 17:44:15,172 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2019-09-20 17:44:15,332 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 45 [2019-09-20 17:44:15,691 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2019-09-20 17:44:15,850 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 45 [2019-09-20 17:44:16,208 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2019-09-20 17:44:16,377 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 52 [2019-09-20 17:44:16,618 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2019-09-20 17:44:16,799 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2019-09-20 17:44:16,982 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-09-20 17:44:17,124 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 34 [2019-09-20 17:44:17,411 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 34 [2019-09-20 17:44:17,726 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-20 17:44:17,953 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2019-09-20 17:44:18,203 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2019-09-20 17:44:18,426 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-20 17:44:18,651 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2019-09-20 17:44:18,772 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 17:44:18,992 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2019-09-20 17:44:19,230 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2019-09-20 17:44:19,341 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 17:44:19,580 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2019-09-20 17:44:19,727 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2019-09-20 17:44:19,914 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-20 17:44:20,096 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2019-09-20 17:44:20,333 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2019-09-20 17:44:20,450 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-20 17:44:20,620 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2019-09-20 17:44:20,729 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2019-09-20 17:44:21,012 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-20 17:44:21,265 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-20 17:44:21,460 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2019-09-20 17:44:21,761 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2019-09-20 17:44:22,080 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 71 [2019-09-20 17:44:22,194 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 17:44:22,442 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-09-20 17:44:22,849 WARN L191 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 55 [2019-09-20 17:44:23,127 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-09-20 17:44:23,544 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 55 [2019-09-20 17:44:23,827 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-09-20 17:44:24,142 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 75 [2019-09-20 17:44:24,661 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 63 [2019-09-20 17:44:24,984 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-09-20 17:44:25,433 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 63 [2019-09-20 17:44:25,789 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-09-20 17:44:26,104 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-09-20 17:44:26,416 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2019-09-20 17:44:26,611 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-09-20 17:44:26,901 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2019-09-20 17:44:27,149 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 69 [2019-09-20 17:44:27,255 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 17:44:27,460 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-09-20 17:44:27,692 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 53 [2019-09-20 17:44:27,955 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-20 17:44:28,294 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 51 [2019-09-20 17:44:28,588 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-20 17:44:28,888 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 51 [2019-09-20 17:44:29,110 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-20 17:44:29,421 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 58 [2019-09-20 17:44:29,694 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-09-20 17:44:29,829 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 43 [2019-09-20 17:44:30,014 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2019-09-20 17:44:30,265 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 60 [2019-09-20 17:44:30,558 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-09-20 17:44:30,801 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 60 [2019-09-20 17:44:31,087 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-09-20 17:44:31,339 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2019-09-20 17:44:31,462 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 17:44:31,702 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2019-09-20 17:44:31,959 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2019-09-20 17:44:32,090 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 17:44:32,325 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-09-20 17:44:32,712 WARN L191 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2019-09-20 17:44:33,118 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2019-09-20 17:44:33,319 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 38 [2019-09-20 17:44:33,570 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2019-09-20 17:44:33,729 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 44 [2019-09-20 17:44:34,082 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2019-09-20 17:44:34,239 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 44 [2019-09-20 17:44:34,593 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2019-09-20 17:44:34,771 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 53 [2019-09-20 17:44:34,995 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-20 17:44:35,109 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-20 17:44:35,365 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2019-09-20 17:44:35,497 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 33 [2019-09-20 17:44:35,774 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 33 [2019-09-20 17:44:36,134 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2019-09-20 17:44:36,411 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-20 17:44:36,576 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2019-09-20 17:44:36,816 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2019-09-20 17:44:37,067 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 72