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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SingleStatement --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 19:43:53,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:43:53,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:43:53,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:43:53,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:43:53,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:43:53,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:43:53,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:43:53,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:43:53,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:43:53,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:43:53,470 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:43:53,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:43:53,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:43:53,472 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:43:53,477 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:43:53,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:43:53,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:43:53,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:43:53,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:43:53,484 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:43:53,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:43:53,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:43:53,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:43:53,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:43:53,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:43:53,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:43:53,490 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:43:53,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:43:53,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:43:53,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:43:53,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:43:53,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:43:53,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:43:53,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:43:53,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:43:53,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:43:53,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:43:53,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:43:53,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:43:53,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:43:53,498 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 19:43:53,516 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:43:53,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:43:53,518 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:43:53,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:43:53,518 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:43:53,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:43:53,519 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:43:53,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:43:53,520 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:43:53,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:43:53,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:43:53,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:43:53,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:43:53,521 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:43:53,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:43:53,522 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:43:53,522 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:43:53,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:43:53,523 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:43:53,524 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:43:53,524 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:43:53,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:43:53,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:43:53,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:43:53,525 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:43:53,525 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:43:53,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:43:53,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:43:53,526 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement 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 19:43:53,566 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:43:53,579 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:43:53,583 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:43:53,584 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:43:53,584 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:43:53,585 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2019-09-20 19:43:53,654 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd6c03d1a/3883cd39a9f448a7aa22b0af41de39c1/FLAG35e555e0a [2019-09-20 19:43:54,112 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:43:54,113 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2019-09-20 19:43:54,122 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd6c03d1a/3883cd39a9f448a7aa22b0af41de39c1/FLAG35e555e0a [2019-09-20 19:43:54,517 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd6c03d1a/3883cd39a9f448a7aa22b0af41de39c1 [2019-09-20 19:43:54,527 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:43:54,528 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:43:54,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:43:54,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:43:54,532 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:43:54,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:43:54" (1/1) ... [2019-09-20 19:43:54,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78a2b2c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:54, skipping insertion in model container [2019-09-20 19:43:54,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:43:54" (1/1) ... [2019-09-20 19:43:54,542 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:43:54,589 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:43:54,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:43:54,889 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:43:55,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:43:55,078 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:43:55,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:55 WrapperNode [2019-09-20 19:43:55,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:43:55,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:43:55,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:43:55,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:43:55,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:55" (1/1) ... [2019-09-20 19:43:55,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:55" (1/1) ... [2019-09-20 19:43:55,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:55" (1/1) ... [2019-09-20 19:43:55,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:55" (1/1) ... [2019-09-20 19:43:55,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:55" (1/1) ... [2019-09-20 19:43:55,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:55" (1/1) ... [2019-09-20 19:43:55,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:55" (1/1) ... [2019-09-20 19:43:55,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:43:55,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:43:55,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:43:55,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:43:55,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:55" (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 19:43:55,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:43:55,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:43:55,233 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 19:43:55,233 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-20 19:43:55,234 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-20 19:43:55,234 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-20 19:43:55,235 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-20 19:43:55,235 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-20 19:43:55,236 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-20 19:43:55,236 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 19:43:55,236 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 19:43:55,237 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 19:43:55,237 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 19:43:55,237 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 19:43:55,237 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 19:43:55,238 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 19:43:55,239 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 19:43:55,240 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 19:43:55,240 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 19:43:55,240 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 19:43:55,240 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 19:43:55,240 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 19:43:55,240 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:43:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:43:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 19:43:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-20 19:43:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-20 19:43:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-20 19:43:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 19:43:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 19:43:55,242 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-20 19:43:55,242 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-20 19:43:55,242 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-20 19:43:55,242 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 19:43:55,242 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 19:43:55,243 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 19:43:55,243 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 19:43:55,243 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 19:43:55,243 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 19:43:55,243 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 19:43:55,243 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 19:43:55,243 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 19:43:55,244 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 19:43:55,244 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 19:43:55,244 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 19:43:55,244 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:43:55,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:43:55,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:43:55,917 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:43:55,920 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 19:43:55,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:43:55 BoogieIcfgContainer [2019-09-20 19:43:55,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:43:55,923 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:43:55,923 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:43:55,924 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:43:55,927 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:43:55" (1/1) ... [2019-09-20 19:43:55,928 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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 19:43:55,948 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:43:55,948 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:43:55,957 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:43:55,966 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:43:55,968 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:43:56,166 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 71 for LOIs [2019-09-20 19:43:56,220 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 66 for LOIs [2019-09-20 19:43:57,530 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2019-09-20 19:43:57,890 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-09-20 19:43:58,005 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 19:43:59,423 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2019-09-20 19:44:01,317 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-09-20 19:44:01,740 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 19:44:01,967 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-20 19:44:02,122 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-20 19:44:02,271 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-20 19:44:02,423 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-20 19:44:02,761 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-09-20 19:44:03,198 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 19:44:03,423 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-20 19:44:03,577 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-20 19:44:03,870 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-20 19:44:04,127 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-20 19:44:04,620 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 19:44:05,099 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2019-09-20 19:44:05,539 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-09-20 19:44:05,775 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-20 19:44:05,964 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-09-20 19:44:06,102 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-20 19:44:06,300 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-09-20 19:44:06,637 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-09-20 19:44:07,092 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 19:44:07,327 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-20 19:44:07,494 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-20 19:44:07,650 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-20 19:44:07,804 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-20 19:44:08,072 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-09-20 19:44:08,478 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 19:44:08,684 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-20 19:44:08,839 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-20 19:44:09,791 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 19:44:10,288 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-09-20 19:44:10,718 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 19:44:10,942 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-20 19:44:11,091 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-20 19:44:11,221 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-20 19:44:11,371 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-20 19:44:12,472 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2019-09-20 19:44:12,596 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-20 19:44:13,068 WARN L191 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2019-09-20 19:44:13,341 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-20 19:44:13,525 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 19:44:13,719 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-20 19:44:13,920 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 19:44:14,214 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2019-09-20 19:44:14,552 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-09-20 19:44:14,722 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-09-20 19:44:14,916 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2019-09-20 19:44:15,168 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2019-09-20 19:44:15,655 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2019-09-20 19:44:16,117 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-09-20 19:44:16,344 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-20 19:44:16,511 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-09-20 19:44:16,646 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-20 19:44:16,813 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-09-20 19:44:17,123 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-09-20 19:44:17,532 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 19:44:17,749 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-20 19:44:17,898 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-20 19:44:18,173 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-20 19:44:18,431 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-09-20 19:44:18,868 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 19:44:19,092 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-20 19:44:19,391 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2019-09-20 19:44:19,659 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2019-09-20 19:44:20,340 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2019-09-20 19:44:20,546 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2019-09-20 19:44:20,849 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-20 19:44:20,950 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 19:44:21,209 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2019-09-20 19:44:21,753 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2019-09-20 19:44:22,197 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-09-20 19:44:22,421 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-20 19:44:22,606 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-09-20 19:44:22,904 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-09-20 19:44:23,586 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 19:44:23,935 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-20 19:44:24,205 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-20 19:44:24,458 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-09-20 19:44:24,867 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 19:44:25,076 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-20 19:44:25,225 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-20 19:44:25,477 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-20 19:44:25,579 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 19:44:25,838 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2019-09-20 19:44:26,392 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2019-09-20 19:44:26,681 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-20 19:44:26,783 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 19:44:27,067 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2019-09-20 19:44:27,621 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2019-09-20 19:44:28,083 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-09-20 19:44:28,461 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-09-20 19:44:28,755 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-09-20 19:44:29,057 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-09-20 19:44:29,462 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 19:44:29,812 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-20 19:44:29,938 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-20 19:44:30,090 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-20 19:44:30,505 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2019-09-20 19:44:30,971 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2019-09-20 19:44:31,323 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 19:44:31,752 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 19:44:31,896 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 19:44:32,384 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-09-20 19:44:32,542 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-20 19:44:32,757 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-20 19:44:32,944 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-20 19:44:33,087 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-20 19:44:33,275 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-20 19:44:33,477 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2019-09-20 19:44:33,679 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2019-09-20 19:44:33,909 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-20 19:44:34,119 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2019-09-20 19:44:34,492 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2019-09-20 19:44:34,699 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2019-09-20 19:44:34,949 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-20 19:44:35,166 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2019-09-20 19:44:35,554 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-09-20 19:44:35,963 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 19:44:36,312 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-20 19:44:36,587 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39