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/token_ring.01.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:44:29,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:44:29,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:44:29,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:44:29,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:44:29,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:44:29,221 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:44:29,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:44:29,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:44:29,239 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:44:29,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:44:29,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:44:29,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:44:29,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:44:29,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:44:29,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:44:29,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:44:29,252 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:44:29,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:44:29,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:44:29,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:44:29,265 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:44:29,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:44:29,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:44:29,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 21:44:29,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 21:44:29,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 21:44:29,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 21:44:29,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 21:44:29,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 21:44:29,274 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:44:29,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:44:29,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:44:29,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:44:29,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:44:29,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:44:29,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:44:29,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:44:29,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:44:29,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:44:29,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:44:29,280 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 21:44:29,294 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:44:29,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:44:29,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:44:29,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:44:29,296 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:44:29,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:44:29,296 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:44:29,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:44:29,297 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:44:29,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:44:29,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:44:29,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:44:29,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:44:29,297 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:44:29,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:44:29,298 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:44:29,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:44:29,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:44:29,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:44:29,299 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:44:29,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:44:29,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:44:29,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:44:29,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:44:29,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:44:29,300 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:44:29,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:44:29,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:44:29,300 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 21:44:29,330 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:44:29,342 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:44:29,346 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:44:29,347 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:44:29,348 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:44:29,348 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-2.c [2019-09-20 21:44:29,407 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1d87deb1/c18a9d3693d64153b6a59f44027e4f5f/FLAG8d3b29884 [2019-09-20 21:44:29,798 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:44:29,798 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.01.cil-2.c [2019-09-20 21:44:29,807 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1d87deb1/c18a9d3693d64153b6a59f44027e4f5f/FLAG8d3b29884 [2019-09-20 21:44:30,235 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1d87deb1/c18a9d3693d64153b6a59f44027e4f5f [2019-09-20 21:44:30,245 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:44:30,248 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:44:30,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:44:30,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:44:30,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:44:30,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:44:30" (1/1) ... [2019-09-20 21:44:30,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58b02fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:30, skipping insertion in model container [2019-09-20 21:44:30,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:44:30" (1/1) ... [2019-09-20 21:44:30,264 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:44:30,304 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:44:30,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:44:30,575 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:44:30,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:44:30,745 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:44:30,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:30 WrapperNode [2019-09-20 21:44:30,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:44:30,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:44:30,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:44:30,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:44:30,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:30" (1/1) ... [2019-09-20 21:44:30,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:30" (1/1) ... [2019-09-20 21:44:30,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:30" (1/1) ... [2019-09-20 21:44:30,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:30" (1/1) ... [2019-09-20 21:44:30,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:30" (1/1) ... [2019-09-20 21:44:30,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:30" (1/1) ... [2019-09-20 21:44:30,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:30" (1/1) ... [2019-09-20 21:44:30,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:44:30,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:44:30,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:44:30,828 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:44:30,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:30" (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 21:44:30,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:44:30,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:44:30,901 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 21:44:30,901 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-20 21:44:30,901 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-20 21:44:30,902 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-20 21:44:30,903 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-20 21:44:30,904 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 21:44:30,904 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 21:44:30,904 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 21:44:30,904 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 21:44:30,906 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 21:44:30,906 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 21:44:30,906 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 21:44:30,906 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 21:44:30,906 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 21:44:30,908 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 21:44:30,908 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 21:44:30,908 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 21:44:30,908 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 21:44:30,908 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:44:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:44:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 21:44:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-20 21:44:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-20 21:44:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 21:44:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 21:44:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-20 21:44:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-20 21:44:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 21:44:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 21:44:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 21:44:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 21:44:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 21:44:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 21:44:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 21:44:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 21:44:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 21:44:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 21:44:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 21:44:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 21:44:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:44:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:44:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:44:31,685 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:44:31,685 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 21:44:31,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:44:31 BoogieIcfgContainer [2019-09-20 21:44:31,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:44:31,688 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:44:31,688 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:44:31,688 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:44:31,689 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:44:31" (1/1) ... [2019-09-20 21:44:31,690 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 21:44:31,711 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:44:31,712 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:44:31,720 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:44:31,728 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:44:31,730 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:44:31,870 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 51 for LOIs [2019-09-20 21:44:31,969 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 48 for LOIs [2019-09-20 21:44:32,295 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 36 [2019-09-20 21:44:33,934 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2019-09-20 21:44:34,057 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 21:44:34,183 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 21:44:34,320 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 21:44:34,482 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-09-20 21:44:35,137 WARN L191 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-20 21:44:35,404 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 21:44:35,950 WARN L191 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-20 21:44:36,230 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 21:44:36,494 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 21:44:36,754 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 21:44:37,327 WARN L191 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2019-09-20 21:44:38,009 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-09-20 21:44:38,161 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-09-20 21:44:38,645 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2019-09-20 21:44:38,994 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2019-09-20 21:44:39,192 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-20 21:44:39,483 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 37 [2019-09-20 21:44:39,622 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2019-09-20 21:44:40,172 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2019-09-20 21:44:40,442 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-20 21:44:40,620 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2019-09-20 21:44:41,671 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-09-20 21:44:41,833 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-09-20 21:44:42,305 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2019-09-20 21:44:42,630 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2019-09-20 21:44:42,812 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-20 21:44:43,753 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2019-09-20 21:44:44,011 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-20 21:44:44,192 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2019-09-20 21:44:44,549 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2019-09-20 21:44:45,055 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2019-09-20 21:44:45,462 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2019-09-20 21:44:45,804 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2019-09-20 21:44:45,930 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-20 21:44:46,074 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-20 21:44:46,206 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-20 21:44:47,724 WARN L191 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 61 [2019-09-20 21:44:47,858 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 21:44:47,962 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-09-20 21:44:48,122 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2019-09-20 21:44:48,536 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2019-09-20 21:44:48,779 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-20 21:44:49,085 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-20 21:44:49,474 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-20 21:44:49,812 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-20 21:44:50,382 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 21:44:50,592 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2019-09-20 21:44:51,037 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2019-09-20 21:44:51,285 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-09-20 21:44:51,822 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 70 [2019-09-20 21:44:52,269 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 76 [2019-09-20 21:44:52,765 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 32 [2019-09-20 21:44:53,100 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 50 [2019-09-20 21:44:53,286 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2019-09-20 21:44:53,496 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-20 21:44:53,728 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-20 21:44:53,922 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-09-20 21:44:54,373 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-09-20 21:44:54,702 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2019-09-20 21:44:54,882 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2019-09-20 21:44:55,071 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2019-09-20 21:44:55,294 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2019-09-20 21:44:55,590 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2019-09-20 21:44:55,826 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2019-09-20 21:44:56,549 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2019-09-20 21:44:56,963 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2019-09-20 21:44:57,169 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-09-20 21:44:57,500 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 43 [2019-09-20 21:44:57,684 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 44 [2019-09-20 21:44:58,132 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2019-09-20 21:44:58,336 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 40 [2019-09-20 21:44:58,751 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 54 [2019-09-20 21:44:59,137 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2019-09-20 21:44:59,382 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2019-09-20 21:44:59,583 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-09-20 21:44:59,897 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 46 [2019-09-20 21:45:00,175 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-09-20 21:45:00,341 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2019-09-20 21:45:00,465 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2019-09-20 21:45:00,923 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-09-20 21:45:01,073 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-09-20 21:45:01,568 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2019-09-20 21:45:01,903 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2019-09-20 21:45:03,004 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2019-09-20 21:45:03,267 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-20 21:45:03,443 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2019-09-20 21:45:04,002 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2019-09-20 21:45:04,230 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-20 21:45:04,581 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-09-20 21:45:04,735 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-09-20 21:45:05,213 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2019-09-20 21:45:05,552 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2019-09-20 21:45:05,741 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-20 21:45:06,026 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2019-09-20 21:45:06,136 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2019-09-20 21:45:06,730 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 43 [2019-09-20 21:45:07,050 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-20 21:45:07,245 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2019-09-20 21:45:07,581 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-09-20 21:45:07,749 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2019-09-20 21:45:07,972 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2019-09-20 21:45:08,407 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2019-09-20 21:45:08,807 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2019-09-20 21:45:09,148 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2019-09-20 21:45:09,268 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-20 21:45:09,398 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-20 21:45:09,525 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-20 21:45:09,852 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2019-09-20 21:45:10,589 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 36 [2019-09-20 21:45:11,142 WARN L191 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 61 [2019-09-20 21:45:11,270 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 21:45:11,542 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2019-09-20 21:45:11,906 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 67 [2019-09-20 21:45:12,033 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-20 21:45:12,036 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 56 for LOIs [2019-09-20 21:45:12,296 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 49 [2019-09-20 21:45:12,460 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 49 [2019-09-20 21:45:12,705 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2019-09-20 21:45:12,978 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2019-09-20 21:45:13,322 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 59 [2019-09-20 21:45:13,601 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 59 [2019-09-20 21:45:14,092 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33