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 InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:44:15,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:44:15,254 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:44:15,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:44:15,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:44:15,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:44:15,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:44:15,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:44:15,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:44:15,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:44:15,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:44:15,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:44:15,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:44:15,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:44:15,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:44:15,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:44:15,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:44:15,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:44:15,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:44:15,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:44:15,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:44:15,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:44:15,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:44:15,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:44:15,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 21:44:15,294 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 21:44:15,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 21:44:15,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 21:44:15,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 21:44:15,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 21:44:15,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:44:15,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:44:15,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:44:15,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:44:15,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:44:15,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:44:15,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:44:15,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:44:15,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:44:15,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:44:15,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:44:15,305 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 21:44:15,321 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:44:15,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:44:15,322 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:44:15,322 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:44:15,323 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:44:15,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:44:15,323 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:44:15,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:44:15,323 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:44:15,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:44:15,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:44:15,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:44:15,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:44:15,324 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:44:15,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:44:15,325 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:44:15,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:44:15,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:44:15,325 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:44:15,326 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:44:15,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:44:15,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:44:15,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:44:15,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:44:15,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:44:15,327 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:44:15,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:44:15,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:44:15,327 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 -> InterpretCallSummarizer 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 21:44:15,358 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:44:15,371 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:44:15,374 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:44:15,376 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:44:15,376 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:44:15,377 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c [2019-09-20 21:44:15,444 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90c697a00/bac93d9aa821441ea828194071cd91f5/FLAG793b0689a [2019-09-20 21:44:15,975 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:44:15,976 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c [2019-09-20 21:44:15,997 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90c697a00/bac93d9aa821441ea828194071cd91f5/FLAG793b0689a [2019-09-20 21:44:16,346 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90c697a00/bac93d9aa821441ea828194071cd91f5 [2019-09-20 21:44:16,357 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:44:16,359 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:44:16,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:44:16,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:44:16,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:44:16,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:44:16" (1/1) ... [2019-09-20 21:44:16,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@370e4c16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:16, skipping insertion in model container [2019-09-20 21:44:16,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:44:16" (1/1) ... [2019-09-20 21:44:16,375 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:44:16,418 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:44:16,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:44:16,762 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:44:16,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:44:16,824 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:44:16,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:16 WrapperNode [2019-09-20 21:44:16,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:44:16,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:44:16,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:44:16,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:44:16,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:16" (1/1) ... [2019-09-20 21:44:16,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:16" (1/1) ... [2019-09-20 21:44:16,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:16" (1/1) ... [2019-09-20 21:44:16,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:16" (1/1) ... [2019-09-20 21:44:16,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:16" (1/1) ... [2019-09-20 21:44:16,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:16" (1/1) ... [2019-09-20 21:44:16,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:16" (1/1) ... [2019-09-20 21:44:16,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:44:16,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:44:16,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:44:16,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:44:16,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:44:16,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:44:16,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:44:16,923 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 21:44:16,923 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2019-09-20 21:44:16,923 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-20 21:44:16,923 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-20 21:44:16,924 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-20 21:44:16,924 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-20 21:44:16,924 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-20 21:44:16,924 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 21:44:16,924 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 21:44:16,924 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 21:44:16,925 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 21:44:16,925 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 21:44:16,925 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 21:44:16,925 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 21:44:16,925 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 21:44:16,925 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 21:44:16,926 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 21:44:16,926 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 21:44:16,926 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 21:44:16,926 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:44:16,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:44:16,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 21:44:16,927 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 21:44:16,927 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2019-09-20 21:44:16,927 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-20 21:44:16,927 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-20 21:44:16,927 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-20 21:44:16,928 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-20 21:44:16,928 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-20 21:44:16,928 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 21:44:16,928 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 21:44:16,928 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 21:44:16,928 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 21:44:16,928 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 21:44:16,929 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 21:44:16,929 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 21:44:16,929 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 21:44:16,929 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 21:44:16,929 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 21:44:16,929 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 21:44:16,930 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 21:44:16,930 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:44:16,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:44:16,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:44:17,501 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 2;~a_t~0 := ~a~0; [2019-09-20 21:44:17,502 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !(1 == ~q_free~0); [2019-09-20 21:44:17,782 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:44:17,783 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 21:44:17,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:44:17 BoogieIcfgContainer [2019-09-20 21:44:17,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:44:17,785 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:44:17,785 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:44:17,785 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:44:17,787 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:44:17" (1/1) ... [2019-09-20 21:44:17,787 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=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 21:44:17,821 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:44:17,824 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:44:17,837 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:44:17,848 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:44:17,849 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:44:18,074 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 82 for LOIs [2019-09-20 21:44:18,221 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 21:44:18,318 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 80 for LOIs [2019-09-20 21:44:18,517 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-20 21:44:18,838 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2019-09-20 21:44:19,100 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 48 [2019-09-20 21:44:19,311 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2019-09-20 21:44:19,504 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2019-09-20 21:44:19,762 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2019-09-20 21:44:20,011 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 52 [2019-09-20 21:44:20,198 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 48 [2019-09-20 21:44:21,186 WARN L191 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2019-09-20 21:44:21,450 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 21:44:22,059 WARN L191 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2019-09-20 21:44:22,296 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 21:44:22,624 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2019-09-20 21:44:22,766 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 21:44:23,348 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 96 [2019-09-20 21:44:23,591 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 21:44:24,578 WARN L191 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2019-09-20 21:44:25,048 WARN L191 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 21:44:25,292 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 21:44:25,534 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 21:44:26,536 WARN L191 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 115 [2019-09-20 21:44:27,006 WARN L191 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-20 21:44:28,110 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 123 DAG size of output: 116 [2019-09-20 21:44:28,616 WARN L191 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-20 21:44:28,909 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2019-09-20 21:44:29,041 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-20 21:44:30,094 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 125 DAG size of output: 107 [2019-09-20 21:44:30,542 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 21:44:31,598 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 125 DAG size of output: 107 [2019-09-20 21:44:32,055 WARN L191 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 21:44:32,645 WARN L191 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 92 [2019-09-20 21:44:32,898 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 21:44:33,194 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2019-09-20 21:44:33,335 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 21:44:34,257 WARN L191 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 107 [2019-09-20 21:44:34,697 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 21:44:35,297 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 93 [2019-09-20 21:44:35,540 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 21:44:36,082 WARN L191 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 92 [2019-09-20 21:44:36,317 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 21:44:37,238 WARN L191 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 109 [2019-09-20 21:44:37,532 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 17 [2019-09-20 21:44:37,990 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-20 21:44:39,010 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:44:39,690 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2019-09-20 21:44:39,988 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-20 21:44:40,843 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2019-09-20 21:44:41,222 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-20 21:44:41,756 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2019-09-20 21:44:42,615 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-20 21:44:43,163 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 41 [2019-09-20 21:44:43,663 WARN L191 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 41 [2019-09-20 21:44:43,922 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2019-09-20 21:44:44,143 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-20 21:44:44,259 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-20 21:44:44,554 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 53 [2019-09-20 21:44:44,671 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-20 21:44:44,793 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 21:44:44,914 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 21:44:45,276 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 50 [2019-09-20 21:44:45,378 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-20 21:44:45,714 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 50 [2019-09-20 21:44:46,068 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2019-09-20 21:44:46,193 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 21:44:46,503 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 59 [2019-09-20 21:44:46,640 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-20 21:44:46,795 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 21:44:46,950 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 21:44:47,115 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 21:44:47,290 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 21:44:48,115 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 81 [2019-09-20 21:44:48,262 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 21:44:48,722 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 62 [2019-09-20 21:44:48,826 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 21:44:49,308 WARN L191 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 53 [2019-09-20 21:44:51,053 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-20 21:44:51,278 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-20 21:44:51,851 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-09-20 21:44:52,000 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 21:44:52,329 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-09-20 21:44:52,474 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 21:44:52,878 WARN L191 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-20 21:44:53,069 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 21:44:53,428 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:44:53,927 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 84 [2019-09-20 21:44:54,432 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-20 21:44:54,635 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 21:44:55,024 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2019-09-20 21:44:55,210 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-20 21:44:55,680 WARN L191 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 97 [2019-09-20 21:44:55,881 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 21:44:56,248 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2019-09-20 21:44:56,416 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 21:44:56,823 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-20 21:44:57,589 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 93 [2019-09-20 21:44:57,757 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 21:44:58,133 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 93 [2019-09-20 21:44:58,313 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 21:44:58,718 WARN L191 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 93 [2019-09-20 21:44:58,884 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 21:44:59,235 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:00,318 WARN L191 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 96