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_2.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:44:14,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:44:14,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:44:14,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:44:14,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:44:14,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:44:14,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:44:14,307 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:44:14,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:44:14,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:44:14,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:44:14,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:44:14,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:44:14,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:44:14,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:44:14,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:44:14,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:44:14,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:44:14,318 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:44:14,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:44:14,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:44:14,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:44:14,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:44:14,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:44:14,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 21:44:14,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 21:44:14,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 21:44:14,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 21:44:14,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 21:44:14,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 21:44:14,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:44:14,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:44:14,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:44:14,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:44:14,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:44:14,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:44:14,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:44:14,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:44:14,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:44:14,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:44:14,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:44:14,337 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 21:44:14,351 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:44:14,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:44:14,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:44:14,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:44:14,353 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:44:14,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:44:14,354 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:44:14,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:44:14,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:44:14,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:44:14,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:44:14,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:44:14,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:44:14,355 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:44:14,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:44:14,355 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:44:14,356 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:44:14,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:44:14,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:44:14,356 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:44:14,357 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:44:14,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:44:14,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:44:14,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:44:14,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:44:14,358 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:44:14,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:44:14,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:44:14,358 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 21:44:14,388 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:44:14,400 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:44:14,403 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:44:14,405 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:44:14,405 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:44:14,406 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-1.c [2019-09-20 21:44:14,465 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46770d78f/8e6301e13dc349acb305318bb3634538/FLAG9ea7f5aea [2019-09-20 21:44:14,898 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:44:14,899 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_2.cil-1.c [2019-09-20 21:44:14,909 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46770d78f/8e6301e13dc349acb305318bb3634538/FLAG9ea7f5aea [2019-09-20 21:44:15,295 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46770d78f/8e6301e13dc349acb305318bb3634538 [2019-09-20 21:44:15,304 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:44:15,305 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:44:15,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:44:15,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:44:15,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:44:15,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:44:15" (1/1) ... [2019-09-20 21:44:15,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f6b6c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:15, skipping insertion in model container [2019-09-20 21:44:15,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:44:15" (1/1) ... [2019-09-20 21:44:15,323 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:44:15,376 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:44:15,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:44:15,666 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:44:15,809 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:44:15,834 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:44:15,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:15 WrapperNode [2019-09-20 21:44:15,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:44:15,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:44:15,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:44:15,836 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:44:15,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:15" (1/1) ... [2019-09-20 21:44:15,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:15" (1/1) ... [2019-09-20 21:44:15,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:15" (1/1) ... [2019-09-20 21:44:15,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:15" (1/1) ... [2019-09-20 21:44:15,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:15" (1/1) ... [2019-09-20 21:44:15,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:15" (1/1) ... [2019-09-20 21:44:15,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:15" (1/1) ... [2019-09-20 21:44:15,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:44:15,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:44:15,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:44:15,878 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:44:15,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:15" (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 21:44:15,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:44:15,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:44:15,934 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 21:44:15,934 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2019-09-20 21:44:15,935 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-20 21:44:15,935 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-20 21:44:15,935 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-20 21:44:15,935 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-20 21:44:15,935 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-20 21:44:15,936 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 21:44:15,936 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 21:44:15,936 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 21:44:15,936 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 21:44:15,936 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 21:44:15,936 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 21:44:15,937 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 21:44:15,937 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 21:44:15,937 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 21:44:15,937 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 21:44:15,937 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:44:15,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:44:15,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 21:44:15,938 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 21:44:15,938 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2019-09-20 21:44:15,938 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-20 21:44:15,938 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-20 21:44:15,938 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-20 21:44:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-20 21:44:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-20 21:44:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 21:44:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 21:44:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 21:44:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 21:44:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 21:44:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 21:44:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 21:44:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 21:44:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 21:44:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 21:44:15,941 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:44:15,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:44:15,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:44:16,734 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:44:16,734 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 21:44:16,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:44:16 BoogieIcfgContainer [2019-09-20 21:44:16,737 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:44:16,739 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:44:16,739 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:44:16,739 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:44:16,740 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:44:16" (1/1) ... [2019-09-20 21:44:16,741 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 21:44:16,768 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:44:16,769 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:44:16,786 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:44:16,795 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:44:16,800 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:44:16,991 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 70 for LOIs [2019-09-20 21:44:17,119 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 21:44:17,246 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 68 for LOIs [2019-09-20 21:44:17,420 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-09-20 21:44:17,695 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 42 [2019-09-20 21:44:18,290 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 46 [2019-09-20 21:44:18,793 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2019-09-20 21:44:19,172 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-20 21:44:19,319 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 21:44:19,456 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-20 21:44:19,841 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-20 21:44:19,993 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 21:44:20,120 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2019-09-20 21:44:20,522 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-20 21:44:20,668 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 21:44:20,805 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-20 21:44:20,997 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-20 21:44:21,656 WARN L191 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 86 [2019-09-20 21:44:21,882 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 21:44:22,452 WARN L191 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 86 [2019-09-20 21:44:22,657 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 21:44:22,858 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 59 [2019-09-20 21:44:23,121 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 59 [2019-09-20 21:44:23,553 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2019-09-20 21:44:23,751 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-20 21:44:23,951 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 59 [2019-09-20 21:44:24,204 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 59 [2019-09-20 21:44:24,551 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-20 21:44:24,676 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-20 21:44:24,806 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-20 21:44:24,924 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-20 21:44:25,863 WARN L191 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2019-09-20 21:44:26,287 WARN L191 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 21:44:27,162 WARN L191 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2019-09-20 21:44:27,580 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 21:44:27,995 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 21:44:28,407 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 21:44:29,247 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2019-09-20 21:44:29,904 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 21:44:30,121 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 21:44:30,329 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 21:44:30,573 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-20 21:44:30,892 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-20 21:44:31,964 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-20 21:44:32,765 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 21:44:32,956 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 21:44:33,147 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 21:44:33,364 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-20 21:44:33,720 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-20 21:44:34,834 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-20 21:44:35,313 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2019-09-20 21:44:35,947 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-20 21:44:36,407 WARN L191 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2019-09-20 21:44:36,696 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 48 [2019-09-20 21:44:36,892 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-20 21:44:37,303 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 49 [2019-09-20 21:44:37,410 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2019-09-20 21:44:37,767 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 57 [2019-09-20 21:44:37,885 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-20 21:44:38,013 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 21:44:38,145 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 21:44:38,832 WARN L191 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 75 [2019-09-20 21:44:38,960 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 21:44:39,349 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 55 [2019-09-20 21:44:39,729 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 49 [2019-09-20 21:44:40,133 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 56 [2019-09-20 21:44:40,440 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 39 [2019-09-20 21:44:41,140 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 21:44:41,355 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 21:44:41,606 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 21:44:41,842 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-20 21:44:42,183 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-20 21:44:43,292 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-20 21:44:43,993 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 86 [2019-09-20 21:44:44,646 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 21:44:44,853 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 21:44:45,064 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 21:44:45,304 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-20 21:44:45,653 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-20 21:44:46,766 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-20 21:44:47,663 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 21:44:47,869 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 21:44:48,074 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 21:44:48,305 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-20 21:44:48,640 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-20 21:44:49,702 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-20 21:44:50,038 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 77 [2019-09-20 21:44:50,296 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2019-09-20 21:44:50,937 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-20 21:44:51,185 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2019-09-20 21:44:51,484 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2019-09-20 21:44:51,587 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-20 21:44:51,693 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-20 21:44:52,180 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 52 [2019-09-20 21:44:52,590 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 58 [2019-09-20 21:44:52,712 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 21:44:52,841 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 21:44:52,968 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 21:44:53,329 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 75 [2019-09-20 21:44:53,470 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 21:44:53,935 WARN L191 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 57 [2019-09-20 21:44:54,046 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-20 21:44:54,473 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 50 [2019-09-20 21:44:54,942 WARN L191 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 56 [2019-09-20 21:44:55,495 WARN L191 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 81 [2019-09-20 21:44:55,599 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 21:44:56,106 WARN L191 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 90 [2019-09-20 21:44:56,290 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 21:44:56,295 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 74 for LOIs [2019-09-20 21:44:56,487 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2019-09-20 21:44:56,826 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2019-09-20 21:44:56,946 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 21:44:57,176 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2019-09-20 21:44:57,293 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 21:44:57,527 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2019-09-20 21:44:57,642 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 21:44:57,772 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-09-20 21:44:58,081 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-20 21:44:58,197 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 21:44:58,326 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-09-20 21:44:58,620 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-09-20 21:44:58,736 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 21:44:58,868 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-09-20 21:44:59,169 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-20 21:44:59,283 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 21:44:59,433 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59