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 LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.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-ba7495b [2019-09-25 15:48:15,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 15:48:15,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 15:48:15,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 15:48:15,441 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 15:48:15,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 15:48:15,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 15:48:15,445 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 15:48:15,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 15:48:15,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 15:48:15,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 15:48:15,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 15:48:15,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 15:48:15,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 15:48:15,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 15:48:15,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 15:48:15,453 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 15:48:15,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 15:48:15,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 15:48:15,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 15:48:15,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 15:48:15,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 15:48:15,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 15:48:15,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 15:48:15,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 15:48:15,465 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 15:48:15,465 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 15:48:15,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 15:48:15,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 15:48:15,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 15:48:15,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 15:48:15,468 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 15:48:15,469 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 15:48:15,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 15:48:15,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 15:48:15,471 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 15:48:15,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 15:48:15,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 15:48:15,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 15:48:15,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 15:48:15,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 15:48:15,474 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 [2019-09-25 15:48:15,488 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 15:48:15,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 15:48:15,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 15:48:15,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 15:48:15,490 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 15:48:15,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 15:48:15,491 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 15:48:15,491 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 15:48:15,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 15:48:15,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 15:48:15,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 15:48:15,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 15:48:15,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 15:48:15,492 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 15:48:15,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 15:48:15,492 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 15:48:15,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 15:48:15,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 15:48:15,493 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 15:48:15,493 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 15:48:15,493 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 15:48:15,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 15:48:15,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 15:48:15,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 15:48:15,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 15:48:15,494 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 15:48:15,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 15:48:15,495 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 15:48:15,495 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 -> 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-25 15:48:15,525 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 15:48:15,537 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 15:48:15,541 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 15:48:15,542 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 15:48:15,543 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 15:48:15,543 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-1.c [2019-09-25 15:48:15,614 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85bc7c46d/a05e953870f84d228b31692e4dddf577/FLAG65c0d8934 [2019-09-25 15:48:16,134 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 15:48:16,135 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.02.cil-1.c [2019-09-25 15:48:16,150 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85bc7c46d/a05e953870f84d228b31692e4dddf577/FLAG65c0d8934 [2019-09-25 15:48:16,465 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85bc7c46d/a05e953870f84d228b31692e4dddf577 [2019-09-25 15:48:16,474 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 15:48:16,475 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 15:48:16,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 15:48:16,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 15:48:16,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 15:48:16,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:48:16" (1/1) ... [2019-09-25 15:48:16,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3757a019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:48:16, skipping insertion in model container [2019-09-25 15:48:16,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:48:16" (1/1) ... [2019-09-25 15:48:16,492 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 15:48:16,535 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 15:48:16,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:48:16,793 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 15:48:16,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:48:16,950 INFO L192 MainTranslator]: Completed translation [2019-09-25 15:48:16,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:48:16 WrapperNode [2019-09-25 15:48:16,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 15:48:16,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 15:48:16,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 15:48:16,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 15:48:16,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:48:16" (1/1) ... [2019-09-25 15:48:16,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:48:16" (1/1) ... [2019-09-25 15:48:16,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:48:16" (1/1) ... [2019-09-25 15:48:16,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:48:16" (1/1) ... [2019-09-25 15:48:16,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:48:16" (1/1) ... [2019-09-25 15:48:16,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:48:16" (1/1) ... [2019-09-25 15:48:16,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:48:16" (1/1) ... [2019-09-25 15:48:16,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 15:48:16,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 15:48:16,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 15:48:16,998 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 15:48:16,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:48:16" (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 [2019-09-25 15:48:17,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 15:48:17,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 15:48:17,067 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-25 15:48:17,067 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-25 15:48:17,067 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-25 15:48:17,067 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-25 15:48:17,067 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-25 15:48:17,068 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-25 15:48:17,068 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-25 15:48:17,068 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-25 15:48:17,068 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-25 15:48:17,068 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-25 15:48:17,068 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-25 15:48:17,068 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-25 15:48:17,069 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-25 15:48:17,069 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-25 15:48:17,069 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-25 15:48:17,069 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-25 15:48:17,069 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-25 15:48:17,070 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-25 15:48:17,070 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-25 15:48:17,070 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-25 15:48:17,070 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 15:48:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 15:48:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-25 15:48:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-25 15:48:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-25 15:48:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-25 15:48:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-25 15:48:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 15:48:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-25 15:48:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-25 15:48:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-25 15:48:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-25 15:48:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-25 15:48:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-25 15:48:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-25 15:48:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-25 15:48:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-25 15:48:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-25 15:48:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-25 15:48:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-25 15:48:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-25 15:48:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-25 15:48:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-25 15:48:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 15:48:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 15:48:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 15:48:18,064 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 15:48:18,064 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 15:48:18,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:48:18 BoogieIcfgContainer [2019-09-25 15:48:18,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 15:48:18,067 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 15:48:18,067 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 15:48:18,067 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 15:48:18,068 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:48:18" (1/1) ... [2019-09-25 15:48:18,069 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 15:48:18,094 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 15:48:18,095 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 15:48:18,108 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 15:48:18,120 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 15:48:18,121 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 15:48:18,286 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 71 for LOIs [2019-09-25 15:48:18,333 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 66 for LOIs [2019-09-25 15:48:18,475 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:48:18,681 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:48:19,418 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:48:20,064 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 50 for LOIs [2019-09-25 15:48:20,485 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 30 for LOIs [2019-09-25 15:48:20,486 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 21 for LOIs [2019-09-25 15:48:20,488 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 15:48:20,488 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 15:48:20,491 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1756#(and (= ~m_pc~0 1) (not (= ~m_pc~0 0)) (= ~m_i~0 1) (= ~t1_i~0 1) (= ~t2_i~0 1) (= ~m_st~0 1) (not (= (+ ~local~0 2) ~token~0))) [2019-09-25 15:48:20,503 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 15:48:20,503 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 15:48:20,506 INFO L168 Benchmark]: Toolchain (without parser) took 4029.72 ms. Allocated memory was 131.6 MB in the beginning and 267.4 MB in the end (delta: 135.8 MB). Free memory was 86.5 MB in the beginning and 165.7 MB in the end (delta: -79.1 MB). Peak memory consumption was 56.7 MB. Max. memory is 7.1 GB. [2019-09-25 15:48:20,508 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 131.6 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 15:48:20,509 INFO L168 Benchmark]: CACSL2BoogieTranslator took 474.91 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 86.3 MB in the beginning and 173.1 MB in the end (delta: -86.7 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-09-25 15:48:20,510 INFO L168 Benchmark]: Boogie Preprocessor took 45.91 ms. Allocated memory is still 199.2 MB. Free memory was 173.1 MB in the beginning and 171.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-25 15:48:20,510 INFO L168 Benchmark]: RCFGBuilder took 1068.26 ms. Allocated memory is still 199.2 MB. Free memory was 171.2 MB in the beginning and 99.7 MB in the end (delta: 71.5 MB). Peak memory consumption was 71.5 MB. Max. memory is 7.1 GB. [2019-09-25 15:48:20,512 INFO L168 Benchmark]: Sifa took 2437.06 ms. Allocated memory was 199.2 MB in the beginning and 267.4 MB in the end (delta: 68.2 MB). Free memory was 99.7 MB in the beginning and 165.7 MB in the end (delta: -66.0 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-09-25 15:48:20,521 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 131.6 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 474.91 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 86.3 MB in the beginning and 173.1 MB in the end (delta: -86.7 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.91 ms. Allocated memory is still 199.2 MB. Free memory was 173.1 MB in the beginning and 171.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1068.26 ms. Allocated memory is still 199.2 MB. Free memory was 171.2 MB in the beginning and 99.7 MB in the end (delta: 71.5 MB). Peak memory consumption was 71.5 MB. Max. memory is 7.1 GB. * Sifa took 2437.06 ms. Allocated memory was 199.2 MB in the beginning and 267.4 MB in the end (delta: 68.2 MB). Free memory was 99.7 MB in the beginning and 165.7 MB in the end (delta: -66.0 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 2397, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 634, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 456, TOOLS_POST_TIME[ms]: 172, TOOLS_POST_CALL_APPLICATIONS: 123, TOOLS_POST_CALL_TIME[ms]: 227, TOOLS_POST_RETURN_APPLICATIONS: 118, TOOLS_POST_RETURN_TIME[ms]: 101, TOOLS_QUANTIFIERELIM_APPLICATIONS: 697, TOOLS_QUANTIFIERELIM_TIME[ms]: 341, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 19, FLUID_QUERY_TIME[ms]: 20, FLUID_QUERIES: 654, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 257, DOMAIN_JOIN_TIME[ms]: 1423, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 3, DOMAIN_ISSUBSETEQ_APPLICATIONS: 20, DOMAIN_ISSUBSETEQ_TIME[ms]: 12, DOMAIN_ISBOTTOM_APPLICATIONS: 185, DOMAIN_ISBOTTOM_TIME[ms]: 228, LOOP_SUMMARIZER_APPLICATIONS: 19, LOOP_SUMMARIZER_CACHE_MISSES: 19, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1538, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1535, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 20, CALL_SUMMARIZER_APPLICATIONS: 118, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1601, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1599, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 11, DAG_COMPRESSION_TIME[ms]: 56, DAG_COMPRESSION_PROCESSED_NODES: 503, DAG_COMPRESSION_RETAINED_NODES: 273 - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 1756#(and (= ~m_pc~0 1) (not (= ~m_pc~0 0)) (= ~m_i~0 1) (= ~t1_i~0 1) (= ~t2_i~0 1) (= ~m_st~0 1) (not (= (+ ~local~0 2) ~token~0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...