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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/systemc/token_ring.02.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 20:41:10,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 20:41:10,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 20:41:10,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 20:41:10,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 20:41:10,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 20:41:10,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 20:41:10,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 20:41:10,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 20:41:10,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 20:41:10,257 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 20:41:10,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 20:41:10,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 20:41:10,260 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 20:41:10,261 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 20:41:10,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 20:41:10,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 20:41:10,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 20:41:10,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 20:41:10,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 20:41:10,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 20:41:10,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 20:41:10,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 20:41:10,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 20:41:10,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 20:41:10,276 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 20:41:10,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 20:41:10,277 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 20:41:10,277 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 20:41:10,278 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 20:41:10,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 20:41:10,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 20:41:10,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 20:41:10,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 20:41:10,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 20:41:10,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 20:41:10,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 20:41:10,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 20:41:10,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 20:41:10,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 20:41:10,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 20:41:10,286 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 20:41:10,300 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 20:41:10,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 20:41:10,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 20:41:10,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 20:41:10,302 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 20:41:10,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 20:41:10,303 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 20:41:10,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 20:41:10,303 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 20:41:10,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 20:41:10,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 20:41:10,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 20:41:10,304 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 20:41:10,304 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 20:41:10,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 20:41:10,304 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 20:41:10,305 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 20:41:10,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 20:41:10,305 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 20:41:10,305 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 20:41:10,306 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 20:41:10,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 20:41:10,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 20:41:10,306 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 20:41:10,306 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 20:41:10,307 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 20:41:10,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 20:41:10,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 20:41:10,307 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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 -> ReUseSupersetCallSummarizer 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 20:41:10,338 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 20:41:10,351 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 20:41:10,354 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 20:41:10,356 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 20:41:10,356 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 20:41:10,357 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2019-09-20 20:41:10,415 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb837d7fa/c034ede725134ed59b82a286ba05073d/FLAG8448fe7c2 [2019-09-20 20:41:10,942 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 20:41:10,944 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2019-09-20 20:41:10,959 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb837d7fa/c034ede725134ed59b82a286ba05073d/FLAG8448fe7c2 [2019-09-20 20:41:11,385 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb837d7fa/c034ede725134ed59b82a286ba05073d [2019-09-20 20:41:11,398 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 20:41:11,400 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 20:41:11,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 20:41:11,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 20:41:11,404 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 20:41:11,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:41:11" (1/1) ... [2019-09-20 20:41:11,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6712ea0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:11, skipping insertion in model container [2019-09-20 20:41:11,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:41:11" (1/1) ... [2019-09-20 20:41:11,417 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 20:41:11,468 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 20:41:11,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:41:11,722 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 20:41:11,868 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:41:11,892 INFO L192 MainTranslator]: Completed translation [2019-09-20 20:41:11,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:11 WrapperNode [2019-09-20 20:41:11,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 20:41:11,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 20:41:11,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 20:41:11,894 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 20:41:11,904 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:11" (1/1) ... [2019-09-20 20:41:11,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:11" (1/1) ... [2019-09-20 20:41:11,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:11" (1/1) ... [2019-09-20 20:41:11,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:11" (1/1) ... [2019-09-20 20:41:11,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:11" (1/1) ... [2019-09-20 20:41:11,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:11" (1/1) ... [2019-09-20 20:41:11,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:11" (1/1) ... [2019-09-20 20:41:11,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 20:41:11,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 20:41:11,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 20:41:11,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 20:41:11,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:11" (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 20:41:11,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 20:41:11,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 20:41:11,997 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 20:41:11,998 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-20 20:41:11,998 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-20 20:41:11,998 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-20 20:41:11,998 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-20 20:41:11,998 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-20 20:41:11,998 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-20 20:41:11,999 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 20:41:11,999 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 20:41:11,999 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 20:41:11,999 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 20:41:11,999 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 20:41:11,999 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 20:41:12,000 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 20:41:12,000 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 20:41:12,000 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 20:41:12,000 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 20:41:12,000 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 20:41:12,001 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 20:41:12,001 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 20:41:12,001 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 20:41:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 20:41:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 20:41:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-20 20:41:12,002 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-20 20:41:12,002 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-20 20:41:12,002 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 20:41:12,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 20:41:12,002 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-20 20:41:12,002 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-20 20:41:12,002 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-20 20:41:12,003 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 20:41:12,003 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 20:41:12,003 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 20:41:12,003 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 20:41:12,003 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 20:41:12,003 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 20:41:12,004 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 20:41:12,004 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 20:41:12,004 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 20:41:12,004 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 20:41:12,004 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 20:41:12,004 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 20:41:12,005 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 20:41:12,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 20:41:12,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 20:41:13,047 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 20:41:13,047 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 20:41:13,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:41:13 BoogieIcfgContainer [2019-09-20 20:41:13,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 20:41:13,050 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 20:41:13,050 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 20:41:13,051 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 20:41:13,052 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:41:13" (1/1) ... [2019-09-20 20:41:13,053 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 20:41:13,090 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 20:41:13,091 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 20:41:13,112 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 20:41:13,125 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 20:41:13,127 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 20:41:13,343 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 71 for LOIs [2019-09-20 20:41:13,491 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 66 for LOIs [2019-09-20 20:41:13,729 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 44 [2019-09-20 20:41:13,936 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 50 [2019-09-20 20:41:14,543 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2019-09-20 20:41:14,736 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 50 [2019-09-20 20:41:14,907 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2019-09-20 20:41:15,558 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 54 [2019-09-20 20:41:16,538 WARN L191 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 81 [2019-09-20 20:41:16,770 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 20:41:16,991 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2019-09-20 20:41:17,859 WARN L191 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 96 [2019-09-20 20:41:18,295 WARN L191 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 20:41:19,105 WARN L191 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2019-09-20 20:41:19,475 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 20:41:19,843 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2019-09-20 20:41:20,038 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-20 20:41:20,927 WARN L191 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 109 [2019-09-20 20:41:21,311 WARN L191 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-20 20:41:22,664 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 125 DAG size of output: 125 [2019-09-20 20:41:23,328 WARN L191 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-09-20 20:41:24,286 WARN L191 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-20 20:41:24,607 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 20:41:26,076 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 157 DAG size of output: 136 [2019-09-20 20:41:26,695 WARN L191 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-20 20:41:27,960 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 149 DAG size of output: 136 [2019-09-20 20:41:28,582 WARN L191 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-20 20:41:29,240 WARN L191 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 60 [2019-09-20 20:41:29,366 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 20:41:29,648 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 48 [2019-09-20 20:41:30,379 WARN L191 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 61 [2019-09-20 20:41:30,531 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 20:41:30,695 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 20:41:30,863 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 20:41:31,773 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 55 [2019-09-20 20:41:31,906 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-20 20:41:32,245 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 68 [2019-09-20 20:41:32,390 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 20:41:32,532 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-20 20:41:32,676 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-20 20:41:34,111 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 151 DAG size of output: 129 [2019-09-20 20:41:34,776 WARN L191 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-20 20:41:35,196 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 48 [2019-09-20 20:41:35,435 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 49 [2019-09-20 20:41:35,829 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2019-09-20 20:41:36,068 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 49 [2019-09-20 20:41:36,608 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 48 [2019-09-20 20:41:37,170 WARN L191 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 53 [2019-09-20 20:41:37,728 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-20 20:41:37,956 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 20:41:38,196 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 20:41:38,437 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 20:41:40,485 WARN L191 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 160 DAG size of output: 140 [2019-09-20 20:41:41,398 WARN L191 SmtUtils]: Spent 911.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-20 20:41:44,815 WARN L191 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 174 DAG size of output: 153 [2019-09-20 20:41:45,096 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 20:41:46,288 WARN L191 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 156 DAG size of output: 110 [2019-09-20 20:41:46,622 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 20:41:47,352 WARN L191 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 110 [2019-09-20 20:41:47,693 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 20:41:47,842 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 10 [2019-09-20 20:41:47,962 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 10 [2019-09-20 20:41:48,364 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2019-09-20 20:41:48,829 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2019-09-20 20:41:49,425 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 74 [2019-09-20 20:41:49,778 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-09-20 20:41:50,630 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2019-09-20 20:41:51,197 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-20 20:41:51,300 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 20:41:51,595 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2019-09-20 20:41:51,944 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2019-09-20 20:41:52,121 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2019-09-20 20:41:52,666 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2019-09-20 20:41:52,904 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-09-20 20:41:53,616 WARN L191 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 114 [2019-09-20 20:41:53,820 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 20:41:54,359 WARN L191 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 115