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_QUICK -i ../../../trunk/examples/svcomp/systemc/token_ring.02.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 10:08:45,760 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 10:08:45,762 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 10:08:45,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 10:08:45,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 10:08:45,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 10:08:45,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 10:08:45,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 10:08:45,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 10:08:45,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 10:08:45,782 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 10:08:45,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 10:08:45,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 10:08:45,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 10:08:45,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 10:08:45,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 10:08:45,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 10:08:45,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 10:08:45,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 10:08:45,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 10:08:45,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 10:08:45,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 10:08:45,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 10:08:45,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 10:08:45,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 10:08:45,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 10:08:45,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 10:08:45,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 10:08:45,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 10:08:45,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 10:08:45,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 10:08:45,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 10:08:45,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 10:08:45,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 10:08:45,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 10:08:45,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 10:08:45,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 10:08:45,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 10:08:45,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 10:08:45,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 10:08:45,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 10:08:45,807 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 [2019-09-21 10:08:45,820 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 10:08:45,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 10:08:45,822 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 10:08:45,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 10:08:45,822 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 10:08:45,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 10:08:45,823 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 10:08:45,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 10:08:45,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 10:08:45,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 10:08:45,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 10:08:45,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 10:08:45,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 10:08:45,824 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 10:08:45,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 10:08:45,824 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 10:08:45,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 10:08:45,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 10:08:45,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 10:08:45,825 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 10:08:45,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 10:08:45,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 10:08:45,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 10:08:45,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 10:08:45,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 10:08:45,827 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 10:08:45,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 10:08:45,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 10:08:45,827 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_QUICK [2019-09-21 10:08:45,857 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 10:08:45,869 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 10:08:45,872 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 10:08:45,874 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 10:08:45,874 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 10:08:45,875 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-1.c [2019-09-21 10:08:45,935 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f4a2abb6/4506307235504dccb9f6a463d27432bd/FLAGa9287fbe9 [2019-09-21 10:08:46,371 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 10:08:46,372 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.02.cil-1.c [2019-09-21 10:08:46,383 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f4a2abb6/4506307235504dccb9f6a463d27432bd/FLAGa9287fbe9 [2019-09-21 10:08:46,751 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f4a2abb6/4506307235504dccb9f6a463d27432bd [2019-09-21 10:08:46,760 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 10:08:46,762 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 10:08:46,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 10:08:46,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 10:08:46,767 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 10:08:46,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:08:46" (1/1) ... [2019-09-21 10:08:46,770 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68583247 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:46, skipping insertion in model container [2019-09-21 10:08:46,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:08:46" (1/1) ... [2019-09-21 10:08:46,778 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 10:08:46,809 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 10:08:47,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 10:08:47,031 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 10:08:47,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 10:08:47,207 INFO L192 MainTranslator]: Completed translation [2019-09-21 10:08:47,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:47 WrapperNode [2019-09-21 10:08:47,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 10:08:47,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 10:08:47,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 10:08:47,209 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 10:08:47,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:47" (1/1) ... [2019-09-21 10:08:47,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:47" (1/1) ... [2019-09-21 10:08:47,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:47" (1/1) ... [2019-09-21 10:08:47,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:47" (1/1) ... [2019-09-21 10:08:47,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:47" (1/1) ... [2019-09-21 10:08:47,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:47" (1/1) ... [2019-09-21 10:08:47,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:47" (1/1) ... [2019-09-21 10:08:47,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 10:08:47,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 10:08:47,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 10:08:47,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 10:08:47,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:47" (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 [2019-09-21 10:08:47,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 10:08:47,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 10:08:47,326 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-21 10:08:47,326 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-21 10:08:47,327 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-21 10:08:47,327 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-21 10:08:47,328 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-21 10:08:47,328 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-21 10:08:47,328 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-21 10:08:47,328 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-21 10:08:47,328 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-21 10:08:47,328 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-21 10:08:47,328 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-21 10:08:47,329 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-21 10:08:47,329 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-21 10:08:47,329 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-21 10:08:47,329 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-21 10:08:47,329 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-21 10:08:47,329 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-21 10:08:47,330 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-21 10:08:47,330 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-21 10:08:47,330 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-21 10:08:47,330 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 10:08:47,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 10:08:47,330 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-21 10:08:47,331 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-21 10:08:47,331 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-21 10:08:47,331 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-21 10:08:47,331 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-21 10:08:47,333 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 10:08:47,333 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-21 10:08:47,334 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-21 10:08:47,334 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-21 10:08:47,334 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-21 10:08:47,334 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-21 10:08:47,334 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-21 10:08:47,334 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-21 10:08:47,334 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-21 10:08:47,334 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-21 10:08:47,335 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-21 10:08:47,335 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-21 10:08:47,335 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-21 10:08:47,335 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-21 10:08:47,335 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-21 10:08:47,335 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-21 10:08:47,335 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 10:08:47,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 10:08:47,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 10:08:48,164 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 10:08:48,165 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 10:08:48,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:08:48 BoogieIcfgContainer [2019-09-21 10:08:48,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 10:08:48,167 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 10:08:48,167 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 10:08:48,168 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 10:08:48,169 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:08:48" (1/1) ... [2019-09-21 10:08:48,170 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 10:08:48,201 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 10:08:48,201 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 10:08:48,215 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 10:08:48,225 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 10:08:48,227 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 10:08:48,525 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 91 for LOIs [2019-09-21 10:08:48,590 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 80 for LOIs [2019-09-21 10:08:48,703 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:08:48,756 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-09-21 10:08:48,934 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-09-21 10:08:49,257 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 82 [2019-09-21 10:08:49,520 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:08:49,531 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:08:49,538 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:08:49,701 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 73 [2019-09-21 10:08:58,317 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:08:58,332 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:08:58,404 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:08:58,409 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:08:58,491 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:08:58,526 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:09:03,098 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-09-21 10:09:03,138 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-09-21 10:09:03,146 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-09-21 10:09:03,258 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:09:03,262 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:09:03,341 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:09:03,345 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:09:03,509 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 64 for LOIs [2019-09-21 10:09:10,299 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 249 [2019-09-21 10:09:10,461 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 338 [2019-09-21 10:09:10,615 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 338 [2019-09-21 10:09:10,831 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 336 [2019-09-21 10:09:11,060 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 228 [2019-09-21 10:09:11,880 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 276 [2019-09-21 10:09:12,004 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 276 [2019-09-21 10:09:12,241 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 271 [2019-09-21 10:09:13,136 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 207 [2019-09-21 10:09:13,390 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 211 [2019-09-21 10:09:13,663 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2019-09-21 10:09:13,799 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2019-09-21 10:09:13,974 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 297 [2019-09-21 10:09:14,109 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 300 [2019-09-21 10:09:14,244 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 300 [2019-09-21 10:09:14,428 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 291 [2019-09-21 10:09:14,708 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 406 [2019-09-21 10:09:14,945 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2019-09-21 10:09:15,274 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 406 [2019-09-21 10:09:15,690 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 266 [2019-09-21 10:09:15,805 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 259 [2019-09-21 10:09:16,151 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 242 [2019-09-21 10:09:16,284 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 226 [2019-09-21 10:09:16,684 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 226 [2019-09-21 10:09:17,030 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 326 [2019-09-21 10:09:17,207 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 323 [2019-09-21 10:09:17,563 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 324 [2019-09-21 10:09:17,667 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 206 [2019-09-21 10:09:17,985 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 286 [2019-09-21 10:09:18,107 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 281 [2019-09-21 10:09:18,395 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 253 [2019-09-21 10:09:18,561 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 286 [2019-09-21 10:09:18,688 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 281 [2019-09-21 10:09:18,838 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 253 [2019-09-21 10:09:19,225 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 232 [2019-09-21 10:09:19,614 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 335 [2019-09-21 10:09:19,783 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 335 [2019-09-21 10:09:20,016 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 335 [2019-09-21 10:09:20,201 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 332 [2019-09-21 10:09:20,377 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 332 [2019-09-21 10:09:20,598 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 332 [2019-09-21 10:09:20,929 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 312 [2019-09-21 10:09:21,071 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 305 [2019-09-21 10:09:21,358 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 303 [2019-09-21 10:09:21,607 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 412 [2019-09-21 10:09:21,853 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 408 [2019-09-21 10:09:22,271 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 404 [2019-09-21 10:09:22,477 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 285 [2019-09-21 10:09:22,593 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 282 [2019-09-21 10:09:22,762 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 278 [2019-09-21 10:09:22,893 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 285 [2019-09-21 10:09:23,011 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 285 [2019-09-21 10:09:23,164 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 286 [2019-09-21 10:09:23,400 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 328 [2019-09-21 10:09:23,559 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2019-09-21 10:09:23,759 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 329 [2019-09-21 10:09:23,973 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 294 [2019-09-21 10:09:24,125 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 292 [2019-09-21 10:09:24,315 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 290 [2019-09-21 10:09:24,603 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 420 [2019-09-21 10:09:24,882 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 420 [2019-09-21 10:09:25,232 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 421 [2019-09-21 10:09:25,620 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 240