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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/systemc/transmitter.02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:43:58,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:43:58,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:43:58,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:43:58,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:43:58,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:43:58,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:43:58,475 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:43:58,476 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:43:58,477 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:43:58,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:43:58,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:43:58,480 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:43:58,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:43:58,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:43:58,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:43:58,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:43:58,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:43:58,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:43:58,488 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:43:58,490 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:43:58,491 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:43:58,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:43:58,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:43:58,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:43:58,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:43:58,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:43:58,496 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:43:58,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:43:58,497 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:43:58,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:43:58,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:43:58,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:43:58,500 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:43:58,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:43:58,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:43:58,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:43:58,502 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:43:58,502 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:43:58,503 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:43:58,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:43:58,504 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 17:43:58,526 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:43:58,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:43:58,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:43:58,528 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:43:58,528 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:43:58,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:43:58,529 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:43:58,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:43:58,530 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:43:58,531 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:43:58,531 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:43:58,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:43:58,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:43:58,532 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:43:58,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:43:58,533 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:43:58,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:43:58,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:43:58,533 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:43:58,534 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:43:58,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:43:58,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:43:58,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:43:58,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:43:58,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:43:58,535 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:43:58,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:43:58,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:43:58,536 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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 -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 17:43:58,592 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:43:58,611 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:43:58,614 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:43:58,616 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:43:58,616 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:43:58,617 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.02.cil.c [2019-09-20 17:43:58,689 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd95b504f/493845bfdbe44096a4632378214bf412/FLAGf3c7c55c9 [2019-09-20 17:43:59,140 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:43:59,141 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/transmitter.02.cil.c [2019-09-20 17:43:59,153 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd95b504f/493845bfdbe44096a4632378214bf412/FLAGf3c7c55c9 [2019-09-20 17:43:59,550 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd95b504f/493845bfdbe44096a4632378214bf412 [2019-09-20 17:43:59,560 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:43:59,562 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:43:59,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:43:59,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:43:59,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:43:59,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:43:59" (1/1) ... [2019-09-20 17:43:59,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e9e1cdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:59, skipping insertion in model container [2019-09-20 17:43:59,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:43:59" (1/1) ... [2019-09-20 17:43:59,578 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:43:59,625 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:43:59,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:43:59,847 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:43:59,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:43:59,998 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:43:59,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:59 WrapperNode [2019-09-20 17:43:59,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:43:59,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:43:59,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:43:59,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:44:00,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:59" (1/1) ... [2019-09-20 17:44:00,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:59" (1/1) ... [2019-09-20 17:44:00,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:59" (1/1) ... [2019-09-20 17:44:00,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:59" (1/1) ... [2019-09-20 17:44:00,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:59" (1/1) ... [2019-09-20 17:44:00,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:59" (1/1) ... [2019-09-20 17:44:00,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:59" (1/1) ... [2019-09-20 17:44:00,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:44:00,060 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:44:00,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:44:00,061 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:44:00,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:59" (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 17:44:00,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:44:00,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:44:00,111 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 17:44:00,111 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-20 17:44:00,112 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-20 17:44:00,112 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-20 17:44:00,113 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-20 17:44:00,113 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-20 17:44:00,113 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-20 17:44:00,114 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 17:44:00,114 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 17:44:00,114 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 17:44:00,115 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 17:44:00,115 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 17:44:00,115 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 17:44:00,115 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 17:44:00,116 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 17:44:00,116 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 17:44:00,117 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 17:44:00,117 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 17:44:00,117 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 17:44:00,117 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 17:44:00,117 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:44:00,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:44:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 17:44:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 17:44:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-20 17:44:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-20 17:44:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-20 17:44:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 17:44:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-20 17:44:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-20 17:44:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-20 17:44:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 17:44:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 17:44:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 17:44:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 17:44:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 17:44:00,120 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 17:44:00,120 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 17:44:00,120 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 17:44:00,120 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 17:44:00,120 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 17:44:00,120 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 17:44:00,121 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 17:44:00,121 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:44:00,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:44:00,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:44:00,976 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:44:00,977 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-20 17:44:00,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:44:00 BoogieIcfgContainer [2019-09-20 17:44:00,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:44:00,979 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:44:00,979 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:44:00,979 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:44:00,980 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:44:00" (1/1) ... [2019-09-20 17:44:00,981 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 17:44:01,006 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:44:01,007 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:44:01,016 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:44:01,025 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:44:01,026 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:44:01,301 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2019-09-20 17:44:01,446 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2019-09-20 17:44:01,457 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 62 for LOIs [2019-09-20 17:44:01,524 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 60 for LOIs [2019-09-20 17:44:02,827 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-20 17:44:03,087 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-20 17:44:03,633 WARN L191 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2019-09-20 17:44:03,920 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-20 17:44:04,454 WARN L191 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2019-09-20 17:44:05,111 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 33 [2019-09-20 17:44:05,384 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2019-09-20 17:44:05,562 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-09-20 17:44:05,847 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2019-09-20 17:44:06,148 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 34 [2019-09-20 17:44:06,285 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 40 [2019-09-20 17:44:06,489 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 17:44:06,784 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2019-09-20 17:44:06,927 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 17:44:07,229 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2019-09-20 17:44:07,557 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2019-09-20 17:44:07,714 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-20 17:44:08,098 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-09-20 17:44:08,423 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2019-09-20 17:44:08,583 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-20 17:44:08,931 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-09-20 17:44:11,094 WARN L191 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 74 [2019-09-20 17:44:11,333 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 17:44:11,846 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2019-09-20 17:44:11,964 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 33 [2019-09-20 17:44:12,124 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 33 [2019-09-20 17:44:12,262 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 33 [2019-09-20 17:44:12,515 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2019-09-20 17:44:12,683 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-09-20 17:44:12,933 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2019-09-20 17:44:13,228 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 34 [2019-09-20 17:44:13,355 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 40 [2019-09-20 17:44:13,542 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 17:44:13,799 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2019-09-20 17:44:13,923 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 17:44:14,209 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-20 17:44:14,525 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2019-09-20 17:44:14,700 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-20 17:44:15,036 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2019-09-20 17:44:15,352 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2019-09-20 17:44:15,502 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-20 17:44:15,826 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2019-09-20 17:44:17,674 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-20 17:44:17,791 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 17:44:18,051 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-20 17:44:18,599 WARN L191 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-09-20 17:44:19,118 WARN L191 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 74 [2019-09-20 17:44:19,358 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 17:44:19,952 WARN L191 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2019-09-20 17:44:20,478 WARN L191 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 95 [2019-09-20 17:44:20,703 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-20 17:44:21,306 WARN L191 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 95 [2019-09-20 17:44:21,312 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 61 for LOIs [2019-09-20 17:44:21,637 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2019-09-20 17:44:21,758 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-20 17:44:22,194 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-20 17:44:22,596 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2019-09-20 17:44:22,758 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 17:44:23,122 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-20 17:44:23,511 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 80 [2019-09-20 17:44:23,673 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 17:44:24,010 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 74 [2019-09-20 17:44:24,398 WARN L191 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 80 [2019-09-20 17:44:24,573 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 17:44:24,960 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-20 17:44:25,277 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-20 17:44:25,587 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-20 17:44:26,256 WARN L191 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 95 [2019-09-20 17:44:26,663 WARN L191 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 17:44:27,041 WARN L191 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 17:44:27,868 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-20 17:44:28,243 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 17:44:28,620 WARN L191 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 17:44:29,462 WARN L191 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-20 17:44:29,858 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 80 [2019-09-20 17:44:30,018 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 17:44:30,313 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 74 [2019-09-20 17:44:30,688 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 82 [2019-09-20 17:44:30,854 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 17:44:31,215 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2019-09-20 17:44:32,024 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2019-09-20 17:44:32,425 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 17:44:33,208 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 104 [2019-09-20 17:44:34,253 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 109 DAG size of output: 109 [2019-09-20 17:44:34,769 WARN L191 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-20 17:44:35,790 WARN L191 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 107 [2019-09-20 17:44:36,838 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 109 DAG size of output: 109 [2019-09-20 17:44:37,342 WARN L191 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-20 17:44:38,325 WARN L191 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 107 [2019-09-20 17:44:39,763 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 135 DAG size of output: 133 [2019-09-20 17:44:40,467 WARN L191 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-20 17:44:41,912 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 134 DAG size of output: 134