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/pc_sfifo_3.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:43:40,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:43:40,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:43:40,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:43:40,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:43:40,805 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:43:40,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:43:40,808 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:43:40,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:43:40,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:43:40,812 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:43:40,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:43:40,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:43:40,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:43:40,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:43:40,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:43:40,817 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:43:40,818 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:43:40,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:43:40,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:43:40,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:43:40,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:43:40,825 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:43:40,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:43:40,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:43:40,828 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:43:40,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:43:40,829 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:43:40,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:43:40,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:43:40,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:43:40,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:43:40,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:43:40,832 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:43:40,833 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:43:40,833 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:43:40,834 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:43:40,834 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:43:40,834 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:43:40,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:43:40,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:43:40,837 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 17:43:40,851 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:43:40,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:43:40,852 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:43:40,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:43:40,853 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:43:40,853 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:43:40,853 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:43:40,853 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:43:40,854 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:43:40,854 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:43:40,854 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:43:40,854 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:43:40,854 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:43:40,855 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:43:40,855 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:43:40,855 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:43:40,855 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:43:40,855 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:43:40,856 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:43:40,856 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:43:40,856 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:43:40,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:43:40,856 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:43:40,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:43:40,857 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:43:40,857 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:43:40,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:43:40,857 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:43:40,858 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 17:43:40,888 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:43:40,902 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:43:40,906 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:43:40,907 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:43:40,907 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:43:40,908 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c [2019-09-20 17:43:40,982 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f3663398/a162ada65aee4f3c9984a83908208c67/FLAGb31210a57 [2019-09-20 17:43:41,480 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:43:41,481 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c [2019-09-20 17:43:41,496 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f3663398/a162ada65aee4f3c9984a83908208c67/FLAGb31210a57 [2019-09-20 17:43:41,829 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f3663398/a162ada65aee4f3c9984a83908208c67 [2019-09-20 17:43:41,840 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:43:41,843 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:43:41,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:43:41,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:43:41,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:43:41,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:43:41" (1/1) ... [2019-09-20 17:43:41,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ac8356d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:41, skipping insertion in model container [2019-09-20 17:43:41,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:43:41" (1/1) ... [2019-09-20 17:43:41,860 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:43:41,930 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:43:42,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:43:42,374 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:43:42,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:43:42,485 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:43:42,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:42 WrapperNode [2019-09-20 17:43:42,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:43:42,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:43:42,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:43:42,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:43:42,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:42" (1/1) ... [2019-09-20 17:43:42,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:42" (1/1) ... [2019-09-20 17:43:42,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:42" (1/1) ... [2019-09-20 17:43:42,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:42" (1/1) ... [2019-09-20 17:43:42,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:42" (1/1) ... [2019-09-20 17:43:42,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:42" (1/1) ... [2019-09-20 17:43:42,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:42" (1/1) ... [2019-09-20 17:43:42,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:43:42,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:43:42,549 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:43:42,549 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:43:42,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:42" (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 17:43:42,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:43:42,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:43:42,609 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 17:43:42,609 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2019-09-20 17:43:42,609 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-20 17:43:42,609 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-20 17:43:42,609 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-20 17:43:42,610 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-20 17:43:42,610 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-20 17:43:42,610 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 17:43:42,610 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 17:43:42,610 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 17:43:42,610 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 17:43:42,611 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 17:43:42,611 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 17:43:42,611 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 17:43:42,611 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 17:43:42,611 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 17:43:42,612 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 17:43:42,612 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 17:43:42,612 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 17:43:42,612 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:43:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:43:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 17:43:42,613 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 17:43:42,613 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2019-09-20 17:43:42,613 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-20 17:43:42,613 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-20 17:43:42,613 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-20 17:43:42,613 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-20 17:43:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-20 17:43:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 17:43:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 17:43:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 17:43:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 17:43:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 17:43:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 17:43:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 17:43:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 17:43:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 17:43:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 17:43:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 17:43:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 17:43:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:43:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:43:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:43:43,204 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 2;~a_t~0 := ~a~0; [2019-09-20 17:43:43,204 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !(1 == ~q_free~0); [2019-09-20 17:43:43,446 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:43:43,446 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 17:43:43,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:43:43 BoogieIcfgContainer [2019-09-20 17:43:43,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:43:43,448 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:43:43,448 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:43:43,448 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:43:43,449 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:43:43" (1/1) ... [2019-09-20 17:43:43,450 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 17:43:43,474 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:43:43,474 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:43:43,483 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:43:43,491 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:43:43,493 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:43:43,879 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 17:43:44,151 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 49 [2019-09-20 17:43:44,183 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 89 for LOIs [2019-09-20 17:43:44,415 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 30 [2019-09-20 17:43:44,440 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 88 for LOIs [2019-09-20 17:43:49,994 WARN L191 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-20 17:43:50,306 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 17:43:50,448 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 17:43:51,111 WARN L191 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 91 [2019-09-20 17:43:54,107 WARN L191 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2019-09-20 17:43:54,355 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 17:43:54,779 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 17:43:55,737 WARN L191 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 104 [2019-09-20 17:43:56,387 WARN L191 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 111 [2019-09-20 17:43:56,661 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 17:43:57,384 WARN L191 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 111 [2019-09-20 17:43:58,638 WARN L191 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 133 DAG size of output: 119 [2019-09-20 17:43:58,994 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-20 17:43:59,123 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 17:43:59,981 WARN L191 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2019-09-20 17:44:00,419 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 103 [2019-09-20 17:44:00,600 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 17:44:00,755 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 17:44:01,218 WARN L191 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 98 [2019-09-20 17:44:01,933 WARN L191 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 114 [2019-09-20 17:44:02,251 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 17:44:03,066 WARN L191 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2019-09-20 17:44:04,242 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 138 DAG size of output: 119 [2019-09-20 17:44:04,593 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-20 17:44:04,738 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 17:44:05,605 WARN L191 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 120 [2019-09-20 17:44:06,154 WARN L191 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 106 [2019-09-20 17:44:06,380 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 17:44:06,519 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 17:44:07,094 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 100 [2019-09-20 17:44:08,229 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 138 DAG size of output: 119 [2019-09-20 17:44:08,571 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-20 17:44:08,755 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 17:44:09,564 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 120 [2019-09-20 17:44:10,858 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 149 DAG size of output: 132 [2019-09-20 17:44:11,332 WARN L191 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-20 17:44:11,468 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 17:44:12,478 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 136 DAG size of output: 132 [2019-09-20 17:44:12,487 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 91 for LOIs [2019-09-20 17:44:13,010 WARN L191 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 104 [2019-09-20 17:44:13,183 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-09-20 17:44:13,597 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 104 [2019-09-20 17:44:14,034 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 104 [2019-09-20 17:44:14,240 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-09-20 17:44:14,673 WARN L191 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 104 [2019-09-20 17:44:15,252 WARN L191 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 114 [2019-09-20 17:44:15,511 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 17:44:16,080 WARN L191 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 114 [2019-09-20 17:44:16,685 WARN L191 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 108 [2019-09-20 17:44:16,880 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 18 [2019-09-20 17:44:17,588 WARN L191 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 114 [2019-09-20 17:44:17,856 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 17:44:18,411 WARN L191 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 114 [2019-09-20 17:44:18,946 WARN L191 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 119 [2019-09-20 17:44:19,215 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-20 17:44:19,799 WARN L191 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2019-09-20 17:44:20,358 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 122 [2019-09-20 17:44:20,620 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-20 17:44:21,185 WARN L191 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2019-09-20 17:44:21,811 WARN L191 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 103 [2019-09-20 17:44:21,968 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 17:44:22,324 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 102 [2019-09-20 17:44:22,687 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 93 [2019-09-20 17:44:22,853 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 17:44:23,228 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-20 17:44:23,589 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 93 [2019-09-20 17:44:23,747 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 17:44:24,098 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93