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/kundu1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:43:52,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:43:52,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:43:52,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:43:52,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:43:52,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:43:52,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:43:52,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:43:52,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:43:52,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:43:52,090 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:43:52,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:43:52,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:43:52,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:43:52,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:43:52,095 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:43:52,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:43:52,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:43:52,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:43:52,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:43:52,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:43:52,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:43:52,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:43:52,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:43:52,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 21:43:52,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 21:43:52,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 21:43:52,110 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 21:43:52,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 21:43:52,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 21:43:52,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:43:52,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:43:52,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:43:52,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:43:52,115 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:43:52,115 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:43:52,116 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:43:52,116 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:43:52,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:43:52,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:43:52,118 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:43:52,119 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 21:43:52,134 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:43:52,134 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:43:52,135 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:43:52,135 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:43:52,135 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:43:52,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:43:52,136 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:43:52,136 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:43:52,136 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:43:52,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:43:52,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:43:52,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:43:52,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:43:52,137 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:43:52,138 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:43:52,138 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:43:52,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:43:52,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:43:52,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:43:52,138 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:43:52,139 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:43:52,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:43:52,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:43:52,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:43:52,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:43:52,140 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:43:52,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:43:52,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:43:52,140 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 21:43:52,192 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:43:52,207 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:43:52,213 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:43:52,216 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:43:52,216 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:43:52,217 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/kundu1.cil.c [2019-09-20 21:43:52,291 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a6e46e57/3f228bf7e7f7468a92ac62c37e26d2a6/FLAG4944bcf05 [2019-09-20 21:43:52,790 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:43:52,792 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/kundu1.cil.c [2019-09-20 21:43:52,805 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a6e46e57/3f228bf7e7f7468a92ac62c37e26d2a6/FLAG4944bcf05 [2019-09-20 21:43:53,146 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a6e46e57/3f228bf7e7f7468a92ac62c37e26d2a6 [2019-09-20 21:43:53,155 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:43:53,156 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:43:53,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:43:53,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:43:53,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:43:53,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:43:53" (1/1) ... [2019-09-20 21:43:53,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73613047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:43:53, skipping insertion in model container [2019-09-20 21:43:53,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:43:53" (1/1) ... [2019-09-20 21:43:53,171 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:43:53,214 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:43:53,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:43:53,464 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:43:53,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:43:53,628 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:43:53,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:43:53 WrapperNode [2019-09-20 21:43:53,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:43:53,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:43:53,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:43:53,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:43:53,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:43:53" (1/1) ... [2019-09-20 21:43:53,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:43:53" (1/1) ... [2019-09-20 21:43:53,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:43:53" (1/1) ... [2019-09-20 21:43:53,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:43:53" (1/1) ... [2019-09-20 21:43:53,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:43:53" (1/1) ... [2019-09-20 21:43:53,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:43:53" (1/1) ... [2019-09-20 21:43:53,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:43:53" (1/1) ... [2019-09-20 21:43:53,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:43:53,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:43:53,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:43:53,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:43:53,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:43:53" (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 21:43:53,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:43:53,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:43:53,752 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 21:43:53,752 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2019-09-20 21:43:53,752 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2019-09-20 21:43:53,752 INFO L138 BoogieDeclarations]: Found implementation of procedure P_1 [2019-09-20 21:43:53,752 INFO L138 BoogieDeclarations]: Found implementation of procedure is_P_1_triggered [2019-09-20 21:43:53,754 INFO L138 BoogieDeclarations]: Found implementation of procedure C_1 [2019-09-20 21:43:53,754 INFO L138 BoogieDeclarations]: Found implementation of procedure is_C_1_triggered [2019-09-20 21:43:53,754 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 21:43:53,755 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 21:43:53,756 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 21:43:53,756 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 21:43:53,756 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 21:43:53,756 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 21:43:53,756 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 21:43:53,758 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 21:43:53,759 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 21:43:53,759 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 21:43:53,759 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 21:43:53,759 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 21:43:53,759 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 21:43:53,760 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:43:53,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:43:53,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 21:43:53,760 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 21:43:53,760 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 21:43:53,760 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2019-09-20 21:43:53,760 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2019-09-20 21:43:53,761 INFO L130 BoogieDeclarations]: Found specification of procedure P_1 [2019-09-20 21:43:53,761 INFO L130 BoogieDeclarations]: Found specification of procedure is_P_1_triggered [2019-09-20 21:43:53,761 INFO L130 BoogieDeclarations]: Found specification of procedure C_1 [2019-09-20 21:43:53,761 INFO L130 BoogieDeclarations]: Found specification of procedure is_C_1_triggered [2019-09-20 21:43:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 21:43:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 21:43:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 21:43:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 21:43:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 21:43:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 21:43:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 21:43:53,763 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 21:43:53,763 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 21:43:53,763 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 21:43:53,763 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 21:43:53,763 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 21:43:53,763 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:43:53,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:43:53,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:43:54,512 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:43:54,514 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 21:43:54,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:43:54 BoogieIcfgContainer [2019-09-20 21:43:54,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:43:54,516 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:43:54,516 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:43:54,517 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:43:54,519 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:43:54" (1/1) ... [2019-09-20 21:43:54,520 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 21:43:54,551 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:43:54,551 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:43:54,560 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:43:54,568 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:43:54,569 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:43:54,739 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 62 for LOIs [2019-09-20 21:43:54,869 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 58 for LOIs [2019-09-20 21:43:55,093 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2019-09-20 21:43:55,661 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 44 [2019-09-20 21:43:56,107 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 58 [2019-09-20 21:43:56,385 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-20 21:43:56,580 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2019-09-20 21:43:57,033 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2019-09-20 21:43:57,690 WARN L191 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2019-09-20 21:43:57,890 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 21:43:58,386 WARN L191 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2019-09-20 21:43:58,548 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 21:43:59,037 WARN L191 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2019-09-20 21:43:59,233 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 21:43:59,710 WARN L191 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2019-09-20 21:43:59,909 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 21:44:00,213 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 48 [2019-09-20 21:44:00,387 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2019-09-20 21:44:00,811 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2019-09-20 21:44:00,956 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 21:44:01,078 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 21:44:01,208 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 21:44:02,064 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2019-09-20 21:44:02,446 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 21:44:03,288 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2019-09-20 21:44:03,677 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 21:44:03,877 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 21:44:04,095 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 21:44:04,954 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 110 [2019-09-20 21:44:05,298 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 21:44:05,547 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 42 [2019-09-20 21:44:05,849 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2019-09-20 21:44:06,144 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-09-20 21:44:06,469 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 54 [2019-09-20 21:44:06,763 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-20 21:44:06,912 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 43 [2019-09-20 21:44:07,180 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-09-20 21:44:07,501 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 55 [2019-09-20 21:44:07,966 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 45 [2019-09-20 21:44:08,203 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 21:44:08,394 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 21:44:09,503 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 126 DAG size of output: 105 [2019-09-20 21:44:09,759 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 21:44:09,899 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 42 [2019-09-20 21:44:10,205 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 68 [2019-09-20 21:44:11,073 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 96 [2019-09-20 21:44:11,422 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 21:44:12,172 WARN L191 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 96 [2019-09-20 21:44:12,521 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 21:44:12,907 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2019-09-20 21:44:13,081 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 21:44:13,329 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 48 [2019-09-20 21:44:13,495 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2019-09-20 21:44:13,943 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2019-09-20 21:44:14,054 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 21:44:14,169 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 21:44:14,298 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 21:44:15,112 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2019-09-20 21:44:15,481 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 21:44:15,684 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-20 21:44:15,872 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-20 21:44:17,039 WARN L191 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 127 DAG size of output: 110 [2019-09-20 21:44:17,357 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 21:44:17,601 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 42 [2019-09-20 21:44:17,874 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 69 [2019-09-20 21:44:18,148 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-09-20 21:44:18,488 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 56 [2019-09-20 21:44:18,905 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 45 [2019-09-20 21:44:19,393 WARN L191 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 80 [2019-09-20 21:44:19,564 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 21:44:19,774 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-09-20 21:44:19,884 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 21:44:20,139 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-20 21:44:20,674 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 48 [2019-09-20 21:44:20,864 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2019-09-20 21:44:21,040 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2019-09-20 21:44:21,425 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2019-09-20 21:44:21,564 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 21:44:21,665 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 21:44:21,773 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 21:44:22,579 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2019-09-20 21:44:22,945 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 21:44:23,781 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2019-09-20 21:44:24,162 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 21:44:24,364 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 21:44:24,565 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 21:44:25,371 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 103 [2019-09-20 21:44:25,654 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 21:44:25,774 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 42 [2019-09-20 21:44:26,046 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 68 [2019-09-20 21:44:26,350 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-09-20 21:44:26,453 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 21:44:26,770 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 56 [2019-09-20 21:44:26,880 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 21:44:27,000 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 21:44:27,119 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 21:44:27,298 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2019-09-20 21:44:27,511 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-09-20 21:44:27,811 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 55 [2019-09-20 21:44:28,235 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 45 [2019-09-20 21:44:28,469 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 21:44:28,669 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 21:44:29,533 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 103 [2019-09-20 21:44:29,839 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 21:44:29,957 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 42 [2019-09-20 21:44:30,230 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 68 [2019-09-20 21:44:31,134 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 100 [2019-09-20 21:44:31,478 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 21:44:32,192 WARN L191 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 100 [2019-09-20 21:44:32,528 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 21:44:33,068 WARN L191 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2019-09-20 21:44:33,236 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 21:44:33,473 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 48 [2019-09-20 21:44:33,662 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2019-09-20 21:44:34,056 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2019-09-20 21:44:34,170 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 21:44:34,280 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 21:44:34,394 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 21:44:35,195 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96