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/kundu1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:43:11,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:43:11,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:43:11,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:43:11,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:43:11,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:43:11,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:43:11,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:43:11,867 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:43:11,868 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:43:11,869 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:43:11,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:43:11,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:43:11,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:43:11,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:43:11,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:43:11,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:43:11,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:43:11,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:43:11,880 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:43:11,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:43:11,882 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:43:11,883 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:43:11,884 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:43:11,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:43:11,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:43:11,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:43:11,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:43:11,888 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:43:11,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:43:11,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:43:11,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:43:11,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:43:11,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:43:11,893 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:43:11,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:43:11,894 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:43:11,894 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:43:11,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:43:11,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:43:11,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:43:11,896 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 17:43:11,911 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:43:11,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:43:11,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:43:11,912 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:43:11,913 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:43:11,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:43:11,913 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:43:11,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:43:11,913 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:43:11,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:43:11,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:43:11,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:43:11,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:43:11,914 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:43:11,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:43:11,915 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:43:11,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:43:11,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:43:11,915 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:43:11,916 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:43:11,916 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:43:11,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:43:11,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:43:11,916 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:43:11,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:43:11,917 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:43:11,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:43:11,917 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:43:11,917 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 17:43:11,948 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:43:11,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:43:11,963 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:43:11,965 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:43:11,965 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:43:11,966 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/kundu1.cil.c [2019-09-20 17:43:12,026 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a281db3a9/968d604cd008460eae9b5bb2d41f1903/FLAGd1a38bb87 [2019-09-20 17:43:12,482 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:43:12,482 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/kundu1.cil.c [2019-09-20 17:43:12,499 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a281db3a9/968d604cd008460eae9b5bb2d41f1903/FLAGd1a38bb87 [2019-09-20 17:43:12,876 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a281db3a9/968d604cd008460eae9b5bb2d41f1903 [2019-09-20 17:43:12,886 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:43:12,887 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:43:12,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:43:12,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:43:12,891 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:43:12,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:43:12" (1/1) ... [2019-09-20 17:43:12,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af9c1f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:12, skipping insertion in model container [2019-09-20 17:43:12,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:43:12" (1/1) ... [2019-09-20 17:43:12,902 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:43:12,933 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:43:13,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:43:13,167 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:43:13,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:43:13,331 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:43:13,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:13 WrapperNode [2019-09-20 17:43:13,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:43:13,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:43:13,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:43:13,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:43:13,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:13" (1/1) ... [2019-09-20 17:43:13,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:13" (1/1) ... [2019-09-20 17:43:13,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:13" (1/1) ... [2019-09-20 17:43:13,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:13" (1/1) ... [2019-09-20 17:43:13,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:13" (1/1) ... [2019-09-20 17:43:13,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:13" (1/1) ... [2019-09-20 17:43:13,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:13" (1/1) ... [2019-09-20 17:43:13,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:43:13,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:43:13,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:43:13,375 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:43:13,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:13" (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 17:43:13,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:43:13,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:43:13,433 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 17:43:13,433 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2019-09-20 17:43:13,433 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2019-09-20 17:43:13,434 INFO L138 BoogieDeclarations]: Found implementation of procedure P_1 [2019-09-20 17:43:13,434 INFO L138 BoogieDeclarations]: Found implementation of procedure is_P_1_triggered [2019-09-20 17:43:13,434 INFO L138 BoogieDeclarations]: Found implementation of procedure C_1 [2019-09-20 17:43:13,434 INFO L138 BoogieDeclarations]: Found implementation of procedure is_C_1_triggered [2019-09-20 17:43:13,434 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 17:43:13,434 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 17:43:13,435 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 17:43:13,435 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 17:43:13,435 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 17:43:13,435 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 17:43:13,435 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 17:43:13,435 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 17:43:13,436 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 17:43:13,436 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 17:43:13,436 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 17:43:13,436 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 17:43:13,436 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 17:43:13,436 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:43:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:43:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 17:43:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 17:43:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 17:43:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2019-09-20 17:43:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2019-09-20 17:43:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure P_1 [2019-09-20 17:43:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure is_P_1_triggered [2019-09-20 17:43:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure C_1 [2019-09-20 17:43:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure is_C_1_triggered [2019-09-20 17:43:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 17:43:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 17:43:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 17:43:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 17:43:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 17:43:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 17:43:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 17:43:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 17:43:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 17:43:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 17:43:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 17:43:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 17:43:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:43:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:43:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:43:14,108 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:43:14,110 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 17:43:14,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:43:14 BoogieIcfgContainer [2019-09-20 17:43:14,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:43:14,112 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:43:14,112 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:43:14,113 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:43:14,114 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:43:14" (1/1) ... [2019-09-20 17:43:14,115 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 17:43:14,151 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:43:14,152 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:43:14,166 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:43:14,176 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:43:14,178 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:43:14,467 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-20 17:43:14,661 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 39 [2019-09-20 17:43:14,688 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 67 for LOIs [2019-09-20 17:43:14,754 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 61 for LOIs [2019-09-20 17:43:15,861 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 26 [2019-09-20 17:43:16,643 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 28 [2019-09-20 17:43:17,090 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 28 [2019-09-20 17:43:19,362 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2019-09-20 17:43:19,535 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 33 [2019-09-20 17:43:19,841 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2019-09-20 17:43:20,012 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 33 [2019-09-20 17:43:20,318 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2019-09-20 17:43:20,640 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-20 17:43:20,917 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2019-09-20 17:43:21,575 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2019-09-20 17:43:21,766 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 36 [2019-09-20 17:43:22,095 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2019-09-20 17:43:22,285 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 36 [2019-09-20 17:43:22,403 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 23 [2019-09-20 17:43:22,647 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 58 [2019-09-20 17:43:22,891 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-20 17:43:23,168 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 66 [2019-09-20 17:43:23,466 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2019-09-20 17:43:23,911 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2019-09-20 17:43:24,103 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 36 [2019-09-20 17:43:24,974 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2019-09-20 17:43:25,450 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2019-09-20 17:43:25,632 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 33 [2019-09-20 17:43:25,922 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2019-09-20 17:43:26,177 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-20 17:43:26,475 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2019-09-20 17:43:26,739 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2019-09-20 17:43:27,203 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2019-09-20 17:43:27,372 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 33 [2019-09-20 17:43:27,733 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2019-09-20 17:43:27,923 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2019-09-20 17:43:28,039 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2019-09-20 17:43:28,228 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2019-09-20 17:43:28,370 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2019-09-20 17:43:28,527 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 33 [2019-09-20 17:43:28,825 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2019-09-20 17:43:28,992 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 33 [2019-09-20 17:43:29,301 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2019-09-20 17:43:29,553 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-20 17:43:29,819 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2019-09-20 17:43:30,447 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2019-09-20 17:43:30,632 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 36 [2019-09-20 17:43:30,946 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2019-09-20 17:43:31,126 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 36 [2019-09-20 17:43:31,426 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 58 [2019-09-20 17:43:31,686 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-20 17:43:31,974 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 66 [2019-09-20 17:43:32,252 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2019-09-20 17:43:32,702 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2019-09-20 17:43:32,881 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2019-09-20 17:43:33,103 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 38 [2019-09-20 17:43:33,321 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 31 [2019-09-20 17:43:33,972 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2019-09-20 17:43:34,129 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-20 17:43:34,725 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2019-09-20 17:43:34,894 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 33 [2019-09-20 17:43:35,197 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2019-09-20 17:43:35,366 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 33 [2019-09-20 17:43:35,680 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2019-09-20 17:43:35,936 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-20 17:43:36,197 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2019-09-20 17:43:36,475 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2019-09-20 17:43:37,083 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 68 [2019-09-20 17:43:37,234 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 17:43:37,706 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 79 [2019-09-20 17:43:39,863 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2019-09-20 17:43:40,034 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 34 [2019-09-20 17:43:40,345 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2019-09-20 17:43:40,514 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 34 [2019-09-20 17:43:40,801 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2019-09-20 17:43:41,068 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-20 17:43:41,328 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2019-09-20 17:43:41,590 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2019-09-20 17:43:42,043 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2019-09-20 17:43:42,213 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 34 [2019-09-20 17:43:42,951 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2019-09-20 17:43:43,126 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 34 [2019-09-20 17:43:43,449 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2019-09-20 17:43:43,609 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 33 [2019-09-20 17:43:43,896 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2019-09-20 17:43:44,134 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-20 17:43:44,404 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2019-09-20 17:43:45,026 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2019-09-20 17:43:45,209 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 36 [2019-09-20 17:43:45,534 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2019-09-20 17:43:45,713 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 36 [2019-09-20 17:43:46,045 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 58 [2019-09-20 17:43:46,288 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-20 17:43:46,569 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 66 [2019-09-20 17:43:46,852 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2019-09-20 17:43:47,272 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2019-09-20 17:43:47,454 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 36 [2019-09-20 17:43:48,206 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2019-09-20 17:43:48,375 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 34 [2019-09-20 17:43:48,651 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2019-09-20 17:43:48,821 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 34 [2019-09-20 17:43:49,106 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2019-09-20 17:43:49,347 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-20 17:43:49,614 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2019-09-20 17:43:49,877 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2019-09-20 17:43:50,189 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2019-09-20 17:43:50,332 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2019-09-20 17:43:50,544 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2019-09-20 17:43:50,710 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 39 [2019-09-20 17:43:50,890 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 33 [2019-09-20 17:43:51,521 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2019-09-20 17:43:51,678 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-20 17:43:52,198 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2019-09-20 17:43:52,370 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 34 [2019-09-20 17:43:52,690 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2019-09-20 17:43:52,862 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 34 [2019-09-20 17:43:53,152 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2019-09-20 17:43:53,396 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-20 17:43:53,659 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2019-09-20 17:43:53,921 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2019-09-20 17:43:54,310 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-20 17:43:54,416 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 17:43:54,706 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-20 17:43:55,382 WARN L191 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 84 [2019-09-20 17:43:55,828 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 94 [2019-09-20 17:43:56,008 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 94