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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/systemc/token_ring.02.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 18:45:11,880 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 18:45:11,882 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 18:45:11,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 18:45:11,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 18:45:11,895 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 18:45:11,896 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 18:45:11,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 18:45:11,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 18:45:11,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 18:45:11,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 18:45:11,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 18:45:11,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 18:45:11,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 18:45:11,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 18:45:11,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 18:45:11,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 18:45:11,915 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 18:45:11,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 18:45:11,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 18:45:11,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 18:45:11,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 18:45:11,929 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 18:45:11,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 18:45:11,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 18:45:11,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 18:45:11,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 18:45:11,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 18:45:11,936 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 18:45:11,937 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 18:45:11,937 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 18:45:11,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 18:45:11,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 18:45:11,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 18:45:11,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 18:45:11,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 18:45:11,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 18:45:11,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 18:45:11,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 18:45:11,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 18:45:11,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 18:45:11,948 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 18:45:11,966 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 18:45:11,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 18:45:11,967 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 18:45:11,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 18:45:11,968 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 18:45:11,968 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 18:45:11,968 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 18:45:11,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 18:45:11,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 18:45:11,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 18:45:11,969 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 18:45:11,969 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 18:45:11,969 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 18:45:11,970 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 18:45:11,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 18:45:11,970 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 18:45:11,970 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 18:45:11,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 18:45:11,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 18:45:11,971 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 18:45:11,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 18:45:11,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:45:11,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 18:45:11,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 18:45:11,972 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 18:45:11,972 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 18:45:11,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 18:45:11,972 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 18:45:11,973 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 -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 18:45:12,003 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 18:45:12,015 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 18:45:12,018 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 18:45:12,019 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 18:45:12,020 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 18:45:12,020 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-1.c [2019-09-20 18:45:12,088 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/575b6411c/f1d612824c224cc5a71e054a890c012b/FLAGe6501482f [2019-09-20 18:45:12,530 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 18:45:12,530 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.02.cil-1.c [2019-09-20 18:45:12,540 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/575b6411c/f1d612824c224cc5a71e054a890c012b/FLAGe6501482f [2019-09-20 18:45:12,884 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/575b6411c/f1d612824c224cc5a71e054a890c012b [2019-09-20 18:45:12,892 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 18:45:12,893 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 18:45:12,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 18:45:12,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 18:45:12,897 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 18:45:12,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:45:12" (1/1) ... [2019-09-20 18:45:12,900 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a538a99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:12, skipping insertion in model container [2019-09-20 18:45:12,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:45:12" (1/1) ... [2019-09-20 18:45:12,907 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 18:45:12,940 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 18:45:13,166 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:45:13,173 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 18:45:13,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:45:13,328 INFO L192 MainTranslator]: Completed translation [2019-09-20 18:45:13,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:13 WrapperNode [2019-09-20 18:45:13,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 18:45:13,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 18:45:13,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 18:45:13,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 18:45:13,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:13" (1/1) ... [2019-09-20 18:45:13,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:13" (1/1) ... [2019-09-20 18:45:13,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:13" (1/1) ... [2019-09-20 18:45:13,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:13" (1/1) ... [2019-09-20 18:45:13,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:13" (1/1) ... [2019-09-20 18:45:13,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:13" (1/1) ... [2019-09-20 18:45:13,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:13" (1/1) ... [2019-09-20 18:45:13,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 18:45:13,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 18:45:13,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 18:45:13,389 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 18:45:13,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:13" (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 18:45:13,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 18:45:13,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 18:45:13,450 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 18:45:13,451 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-20 18:45:13,451 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-20 18:45:13,451 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-20 18:45:13,451 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-20 18:45:13,451 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-20 18:45:13,452 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-20 18:45:13,452 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 18:45:13,452 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 18:45:13,452 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 18:45:13,452 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 18:45:13,452 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 18:45:13,453 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 18:45:13,453 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 18:45:13,453 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 18:45:13,453 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 18:45:13,453 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 18:45:13,454 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 18:45:13,454 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 18:45:13,454 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 18:45:13,454 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 18:45:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 18:45:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 18:45:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-20 18:45:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-20 18:45:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-20 18:45:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 18:45:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 18:45:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-20 18:45:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-20 18:45:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-20 18:45:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 18:45:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 18:45:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 18:45:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 18:45:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 18:45:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 18:45:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 18:45:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 18:45:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 18:45:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 18:45:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 18:45:13,458 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 18:45:13,458 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 18:45:13,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 18:45:13,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 18:45:14,011 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 18:45:14,012 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 18:45:14,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:45:14 BoogieIcfgContainer [2019-09-20 18:45:14,013 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 18:45:14,014 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 18:45:14,014 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 18:45:14,014 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 18:45:14,015 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:45:14" (1/1) ... [2019-09-20 18:45:14,016 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 18:45:14,036 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 18:45:14,036 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 18:45:14,046 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 18:45:14,054 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 18:45:14,056 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 18:45:14,234 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 71 for LOIs [2019-09-20 18:45:14,276 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 66 for LOIs [2019-09-20 18:45:15,338 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2019-09-20 18:45:15,731 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-09-20 18:45:15,949 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 18:45:16,159 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 18:45:16,726 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 35 [2019-09-20 18:45:17,017 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-20 18:45:17,309 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2019-09-20 18:45:17,600 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2019-09-20 18:45:18,907 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 18:45:19,225 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 18:45:19,384 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 18:45:19,557 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2019-09-20 18:45:19,760 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2019-09-20 18:45:20,410 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-20 18:45:20,547 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-20 18:45:20,980 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-20 18:45:21,306 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2019-09-20 18:45:21,470 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-20 18:45:21,789 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2019-09-20 18:45:22,080 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2019-09-20 18:45:22,670 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 18:45:22,989 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 18:45:23,150 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 18:45:23,278 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2019-09-20 18:45:23,576 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2019-09-20 18:45:23,819 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-20 18:45:24,149 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2019-09-20 18:45:24,294 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-20 18:45:24,562 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2019-09-20 18:45:24,851 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2019-09-20 18:45:25,711 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 18:45:25,848 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 18:45:25,968 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2019-09-20 18:45:26,240 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-20 18:45:26,581 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2019-09-20 18:45:26,737 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-20 18:45:27,002 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2019-09-20 18:45:27,268 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2019-09-20 18:45:27,840 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 18:45:28,173 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 18:45:28,308 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 18:45:28,430 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2019-09-20 18:45:28,932 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-20 18:45:29,261 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2019-09-20 18:45:29,409 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-20 18:45:29,673 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2019-09-20 18:45:29,946 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2019-09-20 18:45:30,801 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 18:45:30,936 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 18:45:31,526 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2019-09-20 18:45:31,692 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 18:45:31,921 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-20 18:45:32,277 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2019-09-20 18:45:32,654 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2019-09-20 18:45:33,051 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 26 [2019-09-20 18:45:33,228 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 26 [2019-09-20 18:45:33,426 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 18:45:33,623 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 18:45:33,906 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 18:45:34,081 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 18:45:34,285 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2019-09-20 18:45:34,499 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2019-09-20 18:45:34,867 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2019-09-20 18:45:35,109 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-20 18:45:35,434 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2019-09-20 18:45:35,589 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-20 18:45:35,872 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2019-09-20 18:45:36,137 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2019-09-20 18:45:36,709 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 18:45:37,025 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 18:45:37,162 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 18:45:37,287 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2019-09-20 18:45:37,806 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-20 18:45:38,134 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2019-09-20 18:45:38,286 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-20 18:45:38,547 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2019-09-20 18:45:38,812 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2019-09-20 18:45:39,370 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 18:45:39,664 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 18:45:39,804 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 18:45:39,920 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2019-09-20 18:45:40,158 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-20 18:45:40,485 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2019-09-20 18:45:40,641 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-20 18:45:40,905 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2019-09-20 18:45:41,172 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2019-09-20 18:45:42,037 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 18:45:42,172 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 18:45:42,312 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2019-09-20 18:45:42,827 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-20 18:45:43,153 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2019-09-20 18:45:43,288 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-20 18:45:43,554 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2019-09-20 18:45:43,822 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2019-09-20 18:45:44,708 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 18:45:44,845 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 18:45:45,172 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2019-09-20 18:45:45,682 WARN L191 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 75 [2019-09-20 18:45:45,851 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 18:45:46,335 WARN L191 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2019-09-20 18:45:46,579 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 18:45:46,584 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 65 for LOIs [2019-09-20 18:45:46,999 WARN L191 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 88 [2019-09-20 18:45:47,119 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 18:45:47,593 WARN L191 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 93 [2019-09-20 18:45:47,736 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 18:45:48,211 WARN L191 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 93 [2019-09-20 18:45:48,354 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 18:45:48,707 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 90 [2019-09-20 18:45:49,156 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 95 [2019-09-20 18:45:49,609 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 95 [2019-09-20 18:45:49,764 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-09-20 18:45:49,902 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-20 18:45:50,172 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2019-09-20 18:45:50,438 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2019-09-20 18:45:51,291 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 18:45:51,428 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 18:45:51,575 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2019-09-20 18:45:52,097 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-20 18:45:52,432 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2019-09-20 18:45:52,568 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-20 18:45:52,832 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2019-09-20 18:45:53,097 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2019-09-20 18:45:53,949 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 18:45:54,084 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 18:45:54,209 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2019-09-20 18:45:54,488 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2019-09-20 18:45:54,728 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-20 18:45:54,837 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-20 18:45:55,078 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2019-09-20 18:45:55,222 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-20 18:45:55,488 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2019-09-20 18:45:55,754 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45