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 AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/systemc/token_ring.02.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 17:29:16,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 17:29:16,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 17:29:16,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 17:29:16,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 17:29:16,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 17:29:16,503 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 17:29:16,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 17:29:16,507 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 17:29:16,508 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 17:29:16,509 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 17:29:16,510 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 17:29:16,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 17:29:16,512 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 17:29:16,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 17:29:16,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 17:29:16,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 17:29:16,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 17:29:16,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 17:29:16,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 17:29:16,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 17:29:16,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 17:29:16,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 17:29:16,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 17:29:16,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 17:29:16,529 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 17:29:16,529 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 17:29:16,530 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 17:29:16,531 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 17:29:16,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 17:29:16,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 17:29:16,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 17:29:16,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 17:29:16,535 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 17:29:16,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 17:29:16,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 17:29:16,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 17:29:16,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 17:29:16,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 17:29:16,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 17:29:16,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 17:29:16,539 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 [2019-09-19 17:29:16,556 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 17:29:16,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 17:29:16,557 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 17:29:16,558 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 17:29:16,558 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 17:29:16,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 17:29:16,558 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 17:29:16,558 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 17:29:16,559 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 17:29:16,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 17:29:16,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 17:29:16,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 17:29:16,559 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 17:29:16,560 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 17:29:16,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 17:29:16,560 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 17:29:16,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 17:29:16,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 17:29:16,561 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 17:29:16,561 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 17:29:16,561 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 17:29:16,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 17:29:16,562 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 17:29:16,562 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 17:29:16,562 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 17:29:16,562 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 17:29:16,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 17:29:16,563 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 17:29:16,563 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 17:29:16,596 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 17:29:16,609 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 17:29:16,612 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 17:29:16,614 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 17:29:16,614 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 17:29:16,615 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-1.c [2019-09-19 17:29:16,679 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6766e8586/6c9e0d2dbdb7456a8f9e6e90aa751885/FLAGa05b485a3 [2019-09-19 17:29:17,140 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 17:29:17,141 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.02.cil-1.c [2019-09-19 17:29:17,151 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6766e8586/6c9e0d2dbdb7456a8f9e6e90aa751885/FLAGa05b485a3 [2019-09-19 17:29:17,498 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6766e8586/6c9e0d2dbdb7456a8f9e6e90aa751885 [2019-09-19 17:29:17,508 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 17:29:17,510 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 17:29:17,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 17:29:17,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 17:29:17,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 17:29:17,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:29:17" (1/1) ... [2019-09-19 17:29:17,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@654e1d90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:29:17, skipping insertion in model container [2019-09-19 17:29:17,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:29:17" (1/1) ... [2019-09-19 17:29:17,527 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 17:29:17,585 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 17:29:17,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:29:17,859 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 17:29:17,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:29:18,019 INFO L192 MainTranslator]: Completed translation [2019-09-19 17:29:18,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:29:18 WrapperNode [2019-09-19 17:29:18,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 17:29:18,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 17:29:18,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 17:29:18,021 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 17:29:18,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:29:18" (1/1) ... [2019-09-19 17:29:18,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:29:18" (1/1) ... [2019-09-19 17:29:18,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:29:18" (1/1) ... [2019-09-19 17:29:18,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:29:18" (1/1) ... [2019-09-19 17:29:18,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:29:18" (1/1) ... [2019-09-19 17:29:18,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:29:18" (1/1) ... [2019-09-19 17:29:18,064 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:29:18" (1/1) ... [2019-09-19 17:29:18,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 17:29:18,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 17:29:18,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 17:29:18,068 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 17:29:18,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:29:18" (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 [2019-09-19 17:29:18,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 17:29:18,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 17:29:18,127 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-19 17:29:18,127 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-19 17:29:18,128 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-19 17:29:18,128 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-19 17:29:18,128 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-19 17:29:18,129 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-19 17:29:18,129 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-19 17:29:18,129 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-19 17:29:18,129 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-19 17:29:18,130 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-19 17:29:18,130 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-19 17:29:18,130 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-19 17:29:18,130 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-19 17:29:18,131 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-19 17:29:18,131 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-19 17:29:18,131 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-19 17:29:18,131 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-19 17:29:18,131 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-19 17:29:18,132 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-19 17:29:18,132 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-19 17:29:18,132 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 17:29:18,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 17:29:18,132 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-19 17:29:18,132 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-19 17:29:18,133 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-19 17:29:18,133 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-19 17:29:18,133 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-19 17:29:18,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 17:29:18,133 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-19 17:29:18,133 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-19 17:29:18,133 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-19 17:29:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-19 17:29:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-19 17:29:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-19 17:29:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-19 17:29:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-19 17:29:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-19 17:29:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-19 17:29:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-19 17:29:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-19 17:29:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-19 17:29:18,135 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-19 17:29:18,135 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-19 17:29:18,135 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 17:29:18,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 17:29:18,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 17:29:19,045 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 17:29:19,046 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 17:29:19,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:29:19 BoogieIcfgContainer [2019-09-19 17:29:19,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 17:29:19,048 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 17:29:19,048 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 17:29:19,048 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 17:29:19,050 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:29:19" (1/1) ... [2019-09-19 17:29:19,051 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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=AlwaysFluid [2019-09-19 17:29:19,076 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 17:29:19,076 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 17:29:19,086 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 17:29:19,096 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 17:29:19,097 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 17:29:19,280 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 52 for LOIs [2019-09-19 17:29:19,314 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 43 for LOIs [2019-09-19 17:29:22,350 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 34 for LOIs [2019-09-19 17:29:22,849 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 22 for LOIs [2019-09-19 17:29:22,852 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 1 for LOIs [2019-09-19 17:29:22,854 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 17:29:22,854 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 17:29:22,856 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1918#true [2019-09-19 17:29:22,868 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 17:29:22,868 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 17:29:22,871 INFO L168 Benchmark]: Toolchain (without parser) took 5360.08 ms. Allocated memory was 131.6 MB in the beginning and 331.4 MB in the end (delta: 199.8 MB). Free memory was 87.2 MB in the beginning and 267.4 MB in the end (delta: -180.2 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. [2019-09-19 17:29:22,872 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 131.6 MB. Free memory is still 105.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 17:29:22,876 INFO L168 Benchmark]: CACSL2BoogieTranslator took 509.29 ms. Allocated memory was 131.6 MB in the beginning and 196.6 MB in the end (delta: 65.0 MB). Free memory was 86.8 MB in the beginning and 170.0 MB in the end (delta: -83.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2019-09-19 17:29:22,877 INFO L168 Benchmark]: Boogie Preprocessor took 46.91 ms. Allocated memory is still 196.6 MB. Free memory was 170.0 MB in the beginning and 168.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-19 17:29:22,878 INFO L168 Benchmark]: RCFGBuilder took 979.60 ms. Allocated memory is still 196.6 MB. Free memory was 168.1 MB in the beginning and 98.7 MB in the end (delta: 69.4 MB). Peak memory consumption was 69.4 MB. Max. memory is 7.1 GB. [2019-09-19 17:29:22,878 INFO L168 Benchmark]: Sifa took 3820.36 ms. Allocated memory was 196.6 MB in the beginning and 331.4 MB in the end (delta: 134.7 MB). Free memory was 98.7 MB in the beginning and 267.4 MB in the end (delta: -168.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 17:29:22,883 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 131.6 MB. Free memory is still 105.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 509.29 ms. Allocated memory was 131.6 MB in the beginning and 196.6 MB in the end (delta: 65.0 MB). Free memory was 86.8 MB in the beginning and 170.0 MB in the end (delta: -83.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.91 ms. Allocated memory is still 196.6 MB. Free memory was 170.0 MB in the beginning and 168.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 979.60 ms. Allocated memory is still 196.6 MB. Free memory was 168.1 MB in the beginning and 98.7 MB in the end (delta: 69.4 MB). Peak memory consumption was 69.4 MB. Max. memory is 7.1 GB. * Sifa took 3820.36 ms. Allocated memory was 196.6 MB in the beginning and 331.4 MB in the end (delta: 134.7 MB). Free memory was 98.7 MB in the beginning and 267.4 MB in the end (delta: -168.7 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]: 3781, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 614, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 440, TOOLS_POST_TIME[ms]: 133, TOOLS_POST_CALL_APPLICATIONS: 120, TOOLS_POST_CALL_TIME[ms]: 93, TOOLS_POST_RETURN_APPLICATIONS: 115, TOOLS_POST_RETURN_TIME[ms]: 94, TOOLS_QUANTIFIERELIM_APPLICATIONS: 675, TOOLS_QUANTIFIERELIM_TIME[ms]: 196, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 17, FLUID_QUERY_TIME[ms]: 1, FLUID_QUERIES: 633, FLUID_YES_ANSWERS: 633, DOMAIN_JOIN_APPLICATIONS: 246, DOMAIN_JOIN_TIME[ms]: 2570, DOMAIN_ALPHA_APPLICATIONS: 633, DOMAIN_ALPHA_TIME[ms]: 582, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 19, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 177, DOMAIN_ISBOTTOM_TIME[ms]: 125, LOOP_SUMMARIZER_APPLICATIONS: 19, LOOP_SUMMARIZER_CACHE_MISSES: 19, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2638, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2637, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 19, CALL_SUMMARIZER_APPLICATIONS: 115, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 2936, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2935, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 38, 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 1918#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...