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 --sifa.max.parallel.explicit.values 2 --sifa.sizelimitfluid.max.disjunctions 4 -i ../../../trunk/examples/svcomp/systemc/token_ring.02.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:12:20,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:12:20,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:12:20,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:12:20,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:12:20,860 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:12:20,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:12:20,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:12:20,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:12:20,866 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:12:20,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:12:20,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:12:20,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:12:20,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:12:20,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:12:20,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:12:20,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:12:20,873 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:12:20,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:12:20,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:12:20,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:12:20,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:12:20,883 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:12:20,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:12:20,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:12:20,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:12:20,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:12:20,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:12:20,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:12:20,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:12:20,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:12:20,899 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:12:20,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:12:20,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:12:20,902 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:12:20,903 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:12:20,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:12:20,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:12:20,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:12:20,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:12:20,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:12:20,909 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 17:12:20,931 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:12:20,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:12:20,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:12:20,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:12:20,934 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:12:20,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:12:20,934 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:12:20,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:12:20,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:12:20,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:12:20,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:12:20,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:12:20,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:12:20,937 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:12:20,937 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:12:20,937 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:12:20,937 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:12:20,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:12:20,938 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:12:20,938 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:12:20,938 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:12:20,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:12:20,939 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:12:20,939 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:12:20,939 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:12:20,939 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:12:20,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:12:20,940 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:12:20,940 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 4 [2019-09-25 17:12:21,008 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:12:21,021 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:12:21,024 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:12:21,026 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:12:21,026 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:12:21,027 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-1.c [2019-09-25 17:12:21,090 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb058408d/43d3d5c6196a4adb8f0dee1cf4c56f4b/FLAGd8d179276 [2019-09-25 17:12:21,541 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:12:21,542 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.02.cil-1.c [2019-09-25 17:12:21,553 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb058408d/43d3d5c6196a4adb8f0dee1cf4c56f4b/FLAGd8d179276 [2019-09-25 17:12:21,873 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb058408d/43d3d5c6196a4adb8f0dee1cf4c56f4b [2019-09-25 17:12:21,883 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:12:21,884 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:12:21,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:12:21,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:12:21,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:12:21,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:12:21" (1/1) ... [2019-09-25 17:12:21,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@630ab025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:21, skipping insertion in model container [2019-09-25 17:12:21,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:12:21" (1/1) ... [2019-09-25 17:12:21,901 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:12:21,940 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:12:22,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:12:22,178 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:12:22,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:12:22,364 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:12:22,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:22 WrapperNode [2019-09-25 17:12:22,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:12:22,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:12:22,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:12:22,365 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:12:22,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:22" (1/1) ... [2019-09-25 17:12:22,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:22" (1/1) ... [2019-09-25 17:12:22,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:22" (1/1) ... [2019-09-25 17:12:22,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:22" (1/1) ... [2019-09-25 17:12:22,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:22" (1/1) ... [2019-09-25 17:12:22,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:22" (1/1) ... [2019-09-25 17:12:22,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:22" (1/1) ... [2019-09-25 17:12:22,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:12:22,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:12:22,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:12:22,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:12:22,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:22" (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 17:12:22,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:12:22,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:12:22,476 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-25 17:12:22,476 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-25 17:12:22,476 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-25 17:12:22,477 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-25 17:12:22,477 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-25 17:12:22,477 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-25 17:12:22,477 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-25 17:12:22,477 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-25 17:12:22,477 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-25 17:12:22,478 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-25 17:12:22,478 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-25 17:12:22,478 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-25 17:12:22,478 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-25 17:12:22,478 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-25 17:12:22,479 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-25 17:12:22,479 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-25 17:12:22,479 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-25 17:12:22,479 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-25 17:12:22,479 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-25 17:12:22,479 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-25 17:12:22,479 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:12:22,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:12:22,480 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-25 17:12:22,481 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-25 17:12:22,481 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-25 17:12:22,481 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-25 17:12:22,481 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-25 17:12:22,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:12:22,481 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-25 17:12:22,482 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-25 17:12:22,482 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-25 17:12:22,482 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-25 17:12:22,482 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-25 17:12:22,482 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-25 17:12:22,482 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-25 17:12:22,483 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-25 17:12:22,483 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-25 17:12:22,483 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-25 17:12:22,483 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-25 17:12:22,483 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-25 17:12:22,483 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-25 17:12:22,484 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-25 17:12:22,484 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-25 17:12:22,484 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:12:22,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:12:22,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:12:23,408 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:12:23,408 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 17:12:23,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:12:23 BoogieIcfgContainer [2019-09-25 17:12:23,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:12:23,411 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:12:23,411 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:12:23,411 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:12:23,412 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:12:23" (1/1) ... [2019-09-25 17:12:23,413 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=4 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:12:23,437 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:12:23,438 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:12:23,447 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:12:23,458 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:12:23,460 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:12:23,666 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 71 for LOIs [2019-09-25 17:12:23,712 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 66 for LOIs [2019-09-25 17:12:23,815 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 17:12:24,004 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 17:12:24,840 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 17:12:25,499 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 50 for LOIs [2019-09-25 17:12:26,015 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 30 for LOIs [2019-09-25 17:12:26,017 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 21 for LOIs [2019-09-25 17:12:26,018 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:12:26,019 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:12:26,022 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1729#(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 17:12:26,037 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:12:26,037 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:12:26,040 INFO L168 Benchmark]: Toolchain (without parser) took 4154.70 ms. Allocated memory was 138.4 MB in the beginning and 266.9 MB in the end (delta: 128.5 MB). Free memory was 85.5 MB in the beginning and 163.4 MB in the end (delta: -77.8 MB). Peak memory consumption was 50.6 MB. Max. memory is 7.1 GB. [2019-09-25 17:12:26,043 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:12:26,044 INFO L168 Benchmark]: CACSL2BoogieTranslator took 479.56 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 85.3 MB in the beginning and 176.1 MB in the end (delta: -90.8 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2019-09-25 17:12:26,045 INFO L168 Benchmark]: Boogie Preprocessor took 52.83 ms. Allocated memory is still 200.8 MB. Free memory was 176.1 MB in the beginning and 173.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-09-25 17:12:26,047 INFO L168 Benchmark]: RCFGBuilder took 992.09 ms. Allocated memory is still 200.8 MB. Free memory was 173.6 MB in the beginning and 102.7 MB in the end (delta: 70.9 MB). Peak memory consumption was 70.9 MB. Max. memory is 7.1 GB. [2019-09-25 17:12:26,053 INFO L168 Benchmark]: Sifa took 2626.47 ms. Allocated memory was 200.8 MB in the beginning and 266.9 MB in the end (delta: 66.1 MB). Free memory was 102.7 MB in the beginning and 163.4 MB in the end (delta: -60.7 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2019-09-25 17:12:26,064 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 479.56 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 85.3 MB in the beginning and 176.1 MB in the end (delta: -90.8 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 52.83 ms. Allocated memory is still 200.8 MB. Free memory was 176.1 MB in the beginning and 173.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 992.09 ms. Allocated memory is still 200.8 MB. Free memory was 173.6 MB in the beginning and 102.7 MB in the end (delta: 70.9 MB). Peak memory consumption was 70.9 MB. Max. memory is 7.1 GB. * Sifa took 2626.47 ms. Allocated memory was 200.8 MB in the beginning and 266.9 MB in the end (delta: 66.1 MB). Free memory was 102.7 MB in the beginning and 163.4 MB in the end (delta: -60.7 MB). Peak memory consumption was 5.4 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]: 2585, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 634, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 456, TOOLS_POST_TIME[ms]: 163, TOOLS_POST_CALL_APPLICATIONS: 123, TOOLS_POST_CALL_TIME[ms]: 246, TOOLS_POST_RETURN_APPLICATIONS: 118, TOOLS_POST_RETURN_TIME[ms]: 132, TOOLS_QUANTIFIERELIM_APPLICATIONS: 697, TOOLS_QUANTIFIERELIM_TIME[ms]: 373, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 26, FLUID_QUERY_TIME[ms]: 20, FLUID_QUERIES: 654, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 257, DOMAIN_JOIN_TIME[ms]: 1543, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 5, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 4, DOMAIN_ISSUBSETEQ_APPLICATIONS: 20, DOMAIN_ISSUBSETEQ_TIME[ms]: 18, DOMAIN_ISBOTTOM_APPLICATIONS: 185, DOMAIN_ISBOTTOM_TIME[ms]: 260, LOOP_SUMMARIZER_APPLICATIONS: 19, LOOP_SUMMARIZER_CACHE_MISSES: 19, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1689, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1685, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 20, CALL_SUMMARIZER_APPLICATIONS: 118, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1644, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1643, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 11, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 41, 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 1729#(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...