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.02.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:44:35,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:44:35,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:44:35,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:44:35,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:44:35,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:44:35,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:44:35,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:44:35,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:44:35,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:44:35,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:44:35,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:44:35,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:44:35,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:44:35,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:44:35,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:44:35,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:44:35,844 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:44:35,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:44:35,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:44:35,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:44:35,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:44:35,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:44:35,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:44:35,859 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 21:44:35,859 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 21:44:35,860 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 21:44:35,860 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 21:44:35,861 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 21:44:35,861 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 21:44:35,862 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:44:35,863 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:44:35,864 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:44:35,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:44:35,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:44:35,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:44:35,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:44:35,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:44:35,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:44:35,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:44:35,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:44:35,873 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 21:44:35,895 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:44:35,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:44:35,898 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:44:35,898 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:44:35,898 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:44:35,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:44:35,899 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:44:35,899 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:44:35,899 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:44:35,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:44:35,900 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:44:35,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:44:35,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:44:35,901 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:44:35,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:44:35,901 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:44:35,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:44:35,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:44:35,902 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:44:35,902 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:44:35,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:44:35,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:44:35,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:44:35,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:44:35,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:44:35,904 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:44:35,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:44:35,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:44:35,904 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 21:44:35,946 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:44:35,957 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:44:35,965 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:44:35,966 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:44:35,967 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:44:35,968 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-1.c [2019-09-20 21:44:36,035 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24f902143/c7aacb45b1b54b5292a4ba3a5c38b2cb/FLAG15e19eb39 [2019-09-20 21:44:36,504 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:44:36,505 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.02.cil-1.c [2019-09-20 21:44:36,515 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24f902143/c7aacb45b1b54b5292a4ba3a5c38b2cb/FLAG15e19eb39 [2019-09-20 21:44:36,912 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24f902143/c7aacb45b1b54b5292a4ba3a5c38b2cb [2019-09-20 21:44:36,922 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:44:36,923 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:44:36,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:44:36,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:44:36,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:44:36,928 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:44:36" (1/1) ... [2019-09-20 21:44:36,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@265b1bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:36, skipping insertion in model container [2019-09-20 21:44:36,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:44:36" (1/1) ... [2019-09-20 21:44:36,937 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:44:36,980 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:44:37,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:44:37,217 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:44:37,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:44:37,381 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:44:37,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:37 WrapperNode [2019-09-20 21:44:37,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:44:37,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:44:37,383 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:44:37,383 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:44:37,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:37" (1/1) ... [2019-09-20 21:44:37,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:37" (1/1) ... [2019-09-20 21:44:37,400 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:37" (1/1) ... [2019-09-20 21:44:37,400 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:37" (1/1) ... [2019-09-20 21:44:37,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:37" (1/1) ... [2019-09-20 21:44:37,421 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:37" (1/1) ... [2019-09-20 21:44:37,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:37" (1/1) ... [2019-09-20 21:44:37,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:44:37,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:44:37,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:44:37,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:44:37,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:37" (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 21:44:37,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:44:37,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:44:37,491 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 21:44:37,492 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-20 21:44:37,492 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-20 21:44:37,492 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-20 21:44:37,492 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-20 21:44:37,492 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-20 21:44:37,493 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-20 21:44:37,493 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 21:44:37,493 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 21:44:37,493 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 21:44:37,493 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 21:44:37,493 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 21:44:37,494 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 21:44:37,494 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 21:44:37,494 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 21:44:37,494 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 21:44:37,494 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 21:44:37,494 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 21:44:37,495 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 21:44:37,495 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 21:44:37,495 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:44:37,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:44:37,495 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 21:44:37,495 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-20 21:44:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-20 21:44:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-20 21:44:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 21:44:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 21:44:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-20 21:44:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-20 21:44:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-20 21:44:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 21:44:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 21:44:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 21:44:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 21:44:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 21:44:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 21:44:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 21:44:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 21:44:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 21:44:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 21:44:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 21:44:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 21:44:37,499 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:44:37,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:44:37,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:44:38,361 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:44:38,362 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 21:44:38,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:44:38 BoogieIcfgContainer [2019-09-20 21:44:38,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:44:38,364 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:44:38,364 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:44:38,364 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:44:38,365 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:44:38" (1/1) ... [2019-09-20 21:44:38,366 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 21:44:38,388 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:44:38,388 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:44:38,397 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:44:38,406 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:44:38,407 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:44:38,596 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 71 for LOIs [2019-09-20 21:44:38,716 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 66 for LOIs [2019-09-20 21:44:38,920 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 44 [2019-09-20 21:44:39,134 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 50 [2019-09-20 21:44:39,744 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2019-09-20 21:44:39,972 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 50 [2019-09-20 21:44:40,158 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2019-09-20 21:44:40,735 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 54 [2019-09-20 21:44:41,283 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2019-09-20 21:44:41,950 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 54 [2019-09-20 21:44:42,203 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2019-09-20 21:44:42,942 WARN L191 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-20 21:44:43,195 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 21:44:43,750 WARN L191 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-20 21:44:43,983 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 21:44:44,196 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2019-09-20 21:44:45,163 WARN L191 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 95 [2019-09-20 21:44:45,615 WARN L191 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-20 21:44:46,012 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2019-09-20 21:44:46,198 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-20 21:44:47,804 WARN L191 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 125 DAG size of output: 116 [2019-09-20 21:44:48,574 WARN L191 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-20 21:44:50,120 WARN L191 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 127 DAG size of output: 116 [2019-09-20 21:44:50,898 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-20 21:44:51,237 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 21:44:51,570 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 21:44:51,904 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-20 21:44:52,036 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-20 21:44:52,313 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 49 [2019-09-20 21:44:52,730 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 61 [2019-09-20 21:44:52,887 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 21:44:53,048 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 21:44:53,209 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 21:44:53,721 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 55 [2019-09-20 21:44:53,853 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-20 21:44:54,201 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2019-09-20 21:44:54,372 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 21:44:54,533 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 21:44:54,696 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 21:44:56,336 WARN L191 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 168 DAG size of output: 122 [2019-09-20 21:44:56,794 WARN L191 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-20 21:44:58,077 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 164 DAG size of output: 105 [2019-09-20 21:44:58,447 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 21:44:59,719 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 164 DAG size of output: 105 [2019-09-20 21:45:00,100 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 21:45:01,089 WARN L191 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 122 [2019-09-20 21:45:01,556 WARN L191 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-20 21:45:02,341 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 115 [2019-09-20 21:45:02,727 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-20 21:45:03,553 WARN L191 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 105 [2019-09-20 21:45:03,928 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 21:45:04,744 WARN L191 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 105 [2019-09-20 21:45:05,113 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 21:45:05,386 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2019-09-20 21:45:05,754 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2019-09-20 21:45:05,956 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2019-09-20 21:45:06,356 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2019-09-20 21:45:06,557 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2019-09-20 21:45:06,982 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 63 [2019-09-20 21:45:07,233 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 56 [2019-09-20 21:45:07,691 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 63 [2019-09-20 21:45:08,152 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-20 21:45:08,324 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 21:45:08,497 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-20 21:45:08,656 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-20 21:45:09,775 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 145 DAG size of output: 129 [2019-09-20 21:45:10,311 WARN L191 SmtUtils]: Spent 534.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-20 21:45:11,432 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 154 DAG size of output: 129 [2019-09-20 21:45:11,967 WARN L191 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-20 21:45:13,360 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 138 DAG size of output: 138 [2019-09-20 21:45:14,754 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 138 DAG size of output: 138 [2019-09-20 21:45:15,152 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2019-09-20 21:45:15,345 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2019-09-20 21:45:15,996 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2019-09-20 21:45:16,657 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2019-09-20 21:45:16,816 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 38 [2019-09-20 21:45:16,985 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 38 [2019-09-20 21:45:17,147 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 44 [2019-09-20 21:45:17,819 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 34 [2019-09-20 21:45:19,028 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2019-09-20 21:45:19,221 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2019-09-20 21:45:19,888 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2019-09-20 21:45:20,635 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 45