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/token_ring.02.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:43:54,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:43:54,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:43:54,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:43:54,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:43:54,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:43:54,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:43:54,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:43:54,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:43:54,824 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:43:54,825 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:43:54,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:43:54,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:43:54,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:43:54,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:43:54,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:43:54,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:43:54,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:43:54,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:43:54,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:43:54,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:43:54,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:43:54,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:43:54,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:43:54,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:43:54,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:43:54,856 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:43:54,858 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:43:54,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:43:54,861 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:43:54,861 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:43:54,863 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:43:54,864 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:43:54,864 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:43:54,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:43:54,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:43:54,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:43:54,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:43:54,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:43:54,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:43:54,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:43:54,873 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 17:43:54,897 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:43:54,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:43:54,899 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:43:54,900 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:43:54,900 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:43:54,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:43:54,900 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:43:54,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:43:54,901 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:43:54,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:43:54,902 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:43:54,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:43:54,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:43:54,903 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:43:54,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:43:54,903 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:43:54,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:43:54,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:43:54,904 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:43:54,904 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:43:54,904 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:43:54,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:43:54,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:43:54,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:43:54,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:43:54,905 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:43:54,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:43:54,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:43:54,906 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 17:43:54,949 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:43:54,963 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:43:54,968 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:43:54,970 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:43:54,970 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:43:54,971 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2019-09-20 17:43:55,037 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/366d3b83f/4bd73e5f3aa74314bfa041480de4bbe9/FLAG53026931b [2019-09-20 17:43:55,514 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:43:55,515 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2019-09-20 17:43:55,525 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/366d3b83f/4bd73e5f3aa74314bfa041480de4bbe9/FLAG53026931b [2019-09-20 17:43:55,862 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/366d3b83f/4bd73e5f3aa74314bfa041480de4bbe9 [2019-09-20 17:43:55,874 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:43:55,877 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:43:55,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:43:55,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:43:55,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:43:55,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:43:55" (1/1) ... [2019-09-20 17:43:55,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3790758b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:55, skipping insertion in model container [2019-09-20 17:43:55,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:43:55" (1/1) ... [2019-09-20 17:43:55,894 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:43:55,941 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:43:56,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:43:56,194 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:43:56,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:43:56,369 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:43:56,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:56 WrapperNode [2019-09-20 17:43:56,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:43:56,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:43:56,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:43:56,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:43:56,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:56" (1/1) ... [2019-09-20 17:43:56,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:56" (1/1) ... [2019-09-20 17:43:56,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:56" (1/1) ... [2019-09-20 17:43:56,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:56" (1/1) ... [2019-09-20 17:43:56,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:56" (1/1) ... [2019-09-20 17:43:56,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:56" (1/1) ... [2019-09-20 17:43:56,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:56" (1/1) ... [2019-09-20 17:43:56,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:43:56,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:43:56,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:43:56,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:43:56,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:56" (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 17:43:56,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:43:56,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:43:56,468 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 17:43:56,468 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-20 17:43:56,468 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-20 17:43:56,468 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-20 17:43:56,469 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-20 17:43:56,469 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-20 17:43:56,469 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-20 17:43:56,469 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 17:43:56,469 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 17:43:56,469 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 17:43:56,470 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 17:43:56,470 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 17:43:56,470 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 17:43:56,470 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 17:43:56,470 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 17:43:56,470 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 17:43:56,470 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 17:43:56,471 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 17:43:56,471 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 17:43:56,471 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 17:43:56,471 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:43:56,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:43:56,471 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 17:43:56,472 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-20 17:43:56,472 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-20 17:43:56,472 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-20 17:43:56,472 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 17:43:56,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 17:43:56,472 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-20 17:43:56,472 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-20 17:43:56,473 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-20 17:43:56,473 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 17:43:56,473 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 17:43:56,473 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 17:43:56,473 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 17:43:56,473 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 17:43:56,474 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 17:43:56,474 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 17:43:56,474 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 17:43:56,474 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 17:43:56,474 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 17:43:56,474 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 17:43:56,475 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 17:43:56,475 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:43:56,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:43:56,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:43:57,434 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:43:57,435 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 17:43:57,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:43:57 BoogieIcfgContainer [2019-09-20 17:43:57,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:43:57,437 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:43:57,437 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:43:57,437 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:43:57,438 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:43:57" (1/1) ... [2019-09-20 17:43:57,439 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 17:43:57,465 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:43:57,465 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:43:57,475 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:43:57,484 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:43:57,486 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:43:57,819 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-20 17:43:58,011 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 40 [2019-09-20 17:43:58,033 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 74 for LOIs [2019-09-20 17:43:58,104 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 72 for LOIs [2019-09-20 17:43:58,371 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 17:43:59,392 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-20 17:43:59,702 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-20 17:44:00,311 WARN L191 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2019-09-20 17:44:00,589 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-20 17:44:01,128 WARN L191 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2019-09-20 17:44:01,184 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 17:44:01,399 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 26 [2019-09-20 17:44:02,222 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 31 [2019-09-20 17:44:02,430 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2019-09-20 17:44:02,749 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2019-09-20 17:44:02,852 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-20 17:44:03,103 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-09-20 17:44:03,454 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2019-09-20 17:44:03,595 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-20 17:44:03,909 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2019-09-20 17:44:06,366 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-20 17:44:06,658 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2019-09-20 17:44:06,903 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2019-09-20 17:44:07,034 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 17:44:07,299 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-20 17:44:08,089 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 17:44:08,676 WARN L191 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2019-09-20 17:44:08,923 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 17:44:09,597 WARN L191 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 91 [2019-09-20 17:44:09,730 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 33 [2019-09-20 17:44:09,896 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 33 [2019-09-20 17:44:10,305 WARN L191 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 90 [2019-09-20 17:44:10,482 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 17:44:10,604 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 17:44:11,011 WARN L191 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 90 [2019-09-20 17:44:11,309 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 17:44:11,609 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 17:44:12,253 WARN L191 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 105 [2019-09-20 17:44:12,732 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-20 17:44:13,027 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2019-09-20 17:44:13,292 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2019-09-20 17:44:13,420 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 17:44:13,693 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-20 17:44:15,428 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2019-09-20 17:44:15,952 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-20 17:44:16,248 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2019-09-20 17:44:16,503 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2019-09-20 17:44:16,626 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 17:44:16,889 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-20 17:44:18,296 WARN L191 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 92 [2019-09-20 17:44:18,597 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 17:44:18,718 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-20 17:44:19,416 WARN L191 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2019-09-20 17:44:20,122 WARN L191 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 91 [2019-09-20 17:44:20,440 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-20 17:44:20,559 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 17:44:21,217 WARN L191 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2019-09-20 17:44:21,227 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 77 for LOIs [2019-09-20 17:44:21,698 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 100 [2019-09-20 17:44:21,901 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 17:44:22,241 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 87 [2019-09-20 17:44:22,828 WARN L191 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2019-09-20 17:44:23,119 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 17:44:23,774 WARN L191 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2019-09-20 17:44:24,538 WARN L191 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 111 [2019-09-20 17:44:24,921 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 17:44:25,713 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 112 [2019-09-20 17:44:26,190 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 97 [2019-09-20 17:44:26,384 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 17:44:26,816 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2019-09-20 17:44:27,381 WARN L191 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 103 [2019-09-20 17:44:27,662 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 17:44:28,249 WARN L191 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2019-09-20 17:44:28,900 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-09-20 17:44:29,524 WARN L191 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-09-20 17:44:30,796 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 142 DAG size of output: 141 [2019-09-20 17:44:31,944 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 139 DAG size of output: 139 [2019-09-20 17:44:32,528 WARN L191 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-20 17:44:33,770 WARN L191 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 142 DAG size of output: 140 [2019-09-20 17:44:34,954 WARN L191 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 139 DAG size of output: 139 [2019-09-20 17:44:35,540 WARN L191 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-20 17:44:36,750 WARN L191 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 142 DAG size of output: 140 [2019-09-20 17:44:39,636 WARN L191 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 176 DAG size of output: 172