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.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/systemc/token_ring.01.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 07:08:14,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 07:08:14,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 07:08:14,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 07:08:14,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 07:08:14,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 07:08:14,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 07:08:14,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 07:08:14,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 07:08:14,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 07:08:14,703 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 07:08:14,704 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 07:08:14,705 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 07:08:14,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 07:08:14,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 07:08:14,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 07:08:14,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 07:08:14,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 07:08:14,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 07:08:14,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 07:08:14,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 07:08:14,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 07:08:14,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 07:08:14,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 07:08:14,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 07:08:14,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 07:08:14,721 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 07:08:14,722 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 07:08:14,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 07:08:14,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 07:08:14,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 07:08:14,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 07:08:14,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 07:08:14,727 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 07:08:14,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 07:08:14,728 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 07:08:14,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 07:08:14,729 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 07:08:14,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 07:08:14,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 07:08:14,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 07:08:14,732 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 [2019-10-15 07:08:14,747 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 07:08:14,747 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 07:08:14,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 07:08:14,748 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 07:08:14,748 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 07:08:14,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 07:08:14,749 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 07:08:14,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 07:08:14,751 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 07:08:14,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 07:08:14,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 07:08:14,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 07:08:14,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 07:08:14,752 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 07:08:14,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 07:08:14,752 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 07:08:14,753 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 07:08:14,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 07:08:14,754 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 07:08:14,754 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 07:08:14,754 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 07:08:14,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 07:08:14,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 07:08:14,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 07:08:14,755 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 07:08:14,755 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 07:08:14,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 07:08:14,756 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 07:08:14,756 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 07:08:15,075 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 07:08:15,088 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 07:08:15,091 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 07:08:15,093 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 07:08:15,093 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 07:08:15,094 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2019-10-15 07:08:15,152 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/901a4c1b8/28a48d719364412294396de93fb9a397/FLAGcdc734077 [2019-10-15 07:08:15,617 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 07:08:15,618 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2019-10-15 07:08:15,632 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/901a4c1b8/28a48d719364412294396de93fb9a397/FLAGcdc734077 [2019-10-15 07:08:15,975 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/901a4c1b8/28a48d719364412294396de93fb9a397 [2019-10-15 07:08:15,986 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 07:08:15,987 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 07:08:15,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 07:08:15,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 07:08:15,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 07:08:15,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:08:15" (1/1) ... [2019-10-15 07:08:15,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de72e79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:15, skipping insertion in model container [2019-10-15 07:08:15,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:08:15" (1/1) ... [2019-10-15 07:08:16,006 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 07:08:16,047 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 07:08:16,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 07:08:16,271 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 07:08:16,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 07:08:16,422 INFO L192 MainTranslator]: Completed translation [2019-10-15 07:08:16,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:16 WrapperNode [2019-10-15 07:08:16,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 07:08:16,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 07:08:16,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 07:08:16,423 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 07:08:16,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:16" (1/1) ... [2019-10-15 07:08:16,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:16" (1/1) ... [2019-10-15 07:08:16,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:16" (1/1) ... [2019-10-15 07:08:16,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:16" (1/1) ... [2019-10-15 07:08:16,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:16" (1/1) ... [2019-10-15 07:08:16,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:16" (1/1) ... [2019-10-15 07:08:16,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:16" (1/1) ... [2019-10-15 07:08:16,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 07:08:16,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 07:08:16,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 07:08:16,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 07:08:16,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:16" (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 [2019-10-15 07:08:16,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 07:08:16,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 07:08:16,527 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-10-15 07:08:16,528 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-10-15 07:08:16,528 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-10-15 07:08:16,529 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-10-15 07:08:16,529 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-10-15 07:08:16,529 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-10-15 07:08:16,529 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-10-15 07:08:16,530 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-10-15 07:08:16,530 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-10-15 07:08:16,530 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-10-15 07:08:16,531 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-10-15 07:08:16,531 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-10-15 07:08:16,531 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-10-15 07:08:16,531 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-10-15 07:08:16,533 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-10-15 07:08:16,534 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-10-15 07:08:16,534 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-10-15 07:08:16,534 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-10-15 07:08:16,534 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 07:08:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 07:08:16,536 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-10-15 07:08:16,536 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-10-15 07:08:16,536 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-10-15 07:08:16,537 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-10-15 07:08:16,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 07:08:16,537 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-10-15 07:08:16,537 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-10-15 07:08:16,537 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-10-15 07:08:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-10-15 07:08:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-10-15 07:08:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-10-15 07:08:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-10-15 07:08:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-10-15 07:08:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-10-15 07:08:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-10-15 07:08:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-10-15 07:08:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-10-15 07:08:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-10-15 07:08:16,540 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-10-15 07:08:16,540 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 07:08:16,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 07:08:16,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 07:08:17,269 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 07:08:17,270 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 07:08:17,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:08:17 BoogieIcfgContainer [2019-10-15 07:08:17,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 07:08:17,272 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 07:08:17,272 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 07:08:17,273 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 07:08:17,274 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:08:17" (1/1) ... [2019-10-15 07:08:17,275 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ 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 [2019-10-15 07:08:17,308 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 07:08:17,309 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 07:08:17,325 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 07:08:17,339 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 07:08:17,341 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 07:08:17,609 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 63 for LOIs [2019-10-15 07:08:17,649 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 56 for LOIs [2019-10-15 07:08:19,464 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 34 for LOIs [2019-10-15 07:08:19,705 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 29 for LOIs [2019-10-15 07:08:19,709 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 22 for LOIs [2019-10-15 07:08:19,713 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 07:08:19,727 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 07:08:19,727 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 07:08:19,731 INFO L168 Benchmark]: Toolchain (without parser) took 3741.36 ms. Allocated memory was 138.4 MB in the beginning and 294.6 MB in the end (delta: 156.2 MB). Free memory was 103.1 MB in the beginning and 220.7 MB in the end (delta: -117.5 MB). Peak memory consumption was 38.7 MB. Max. memory is 7.1 GB. [2019-10-15 07:08:19,733 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 07:08:19,734 INFO L168 Benchmark]: CACSL2BoogieTranslator took 431.75 ms. Allocated memory was 138.4 MB in the beginning and 199.8 MB in the end (delta: 61.3 MB). Free memory was 102.9 MB in the beginning and 176.7 MB in the end (delta: -73.7 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2019-10-15 07:08:19,736 INFO L168 Benchmark]: Boogie Preprocessor took 46.85 ms. Allocated memory is still 199.8 MB. Free memory was 176.7 MB in the beginning and 174.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-10-15 07:08:19,737 INFO L168 Benchmark]: RCFGBuilder took 801.79 ms. Allocated memory is still 199.8 MB. Free memory was 174.0 MB in the beginning and 121.5 MB in the end (delta: 52.5 MB). Peak memory consumption was 52.5 MB. Max. memory is 7.1 GB. [2019-10-15 07:08:19,742 INFO L168 Benchmark]: Sifa took 2454.76 ms. Allocated memory was 199.8 MB in the beginning and 294.6 MB in the end (delta: 94.9 MB). Free memory was 121.5 MB in the beginning and 220.7 MB in the end (delta: -99.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 07:08:19,753 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 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 431.75 ms. Allocated memory was 138.4 MB in the beginning and 199.8 MB in the end (delta: 61.3 MB). Free memory was 102.9 MB in the beginning and 176.7 MB in the end (delta: -73.7 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.85 ms. Allocated memory is still 199.8 MB. Free memory was 176.7 MB in the beginning and 174.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 801.79 ms. Allocated memory is still 199.8 MB. Free memory was 174.0 MB in the beginning and 121.5 MB in the end (delta: 52.5 MB). Peak memory consumption was 52.5 MB. Max. memory is 7.1 GB. * Sifa took 2454.76 ms. Allocated memory was 199.8 MB in the beginning and 294.6 MB in the end (delta: 94.9 MB). Free memory was 121.5 MB in the beginning and 220.7 MB in the end (delta: -99.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 2405, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 382, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 260, TOOLS_POST_TIME[ms]: 118, TOOLS_POST_CALL_APPLICATIONS: 88, TOOLS_POST_CALL_TIME[ms]: 259, TOOLS_POST_RETURN_APPLICATIONS: 83, TOOLS_POST_RETURN_TIME[ms]: 118, TOOLS_QUANTIFIERELIM_APPLICATIONS: 431, TOOLS_QUANTIFIERELIM_TIME[ms]: 360, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 19, FLUID_QUERY_TIME[ms]: 15, FLUID_QUERIES: 398, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 113, DOMAIN_JOIN_TIME[ms]: 1546, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 49, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 17, DOMAIN_ISBOTTOM_APPLICATIONS: 69, DOMAIN_ISBOTTOM_TIME[ms]: 113, LOOP_SUMMARIZER_APPLICATIONS: 14, LOOP_SUMMARIZER_CACHE_MISSES: 14, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1780, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1779, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 16, CALL_SUMMARIZER_APPLICATIONS: 83, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1521, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1521, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 9, DAG_COMPRESSION_TIME[ms]: 41, DAG_COMPRESSION_PROCESSED_NODES: 385, DAG_COMPRESSION_RETAINED_NODES: 216 - 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 1123#(and (= ~m_pc~0 1) (<= 1 ~m_pc~0) (<= ~m_st~0 1) (= ~m_i~0 1) (= ~t1_i~0 1) (= ~m_st~0 1) (<= ~t1_i~0 1) (not (= ~token~0 (+ ~local~0 1))) (<= ~m_i~0 1) (<= 1 ~m_i~0) (not (= ~m_pc~0 0)) (<= ~m_pc~0 1) (<= 1 ~m_st~0) (<= 1 ~t1_i~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...