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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/systemc/transmitter.02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 05:41:14,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 05:41:14,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 05:41:14,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 05:41:14,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 05:41:14,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 05:41:14,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 05:41:14,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 05:41:14,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 05:41:14,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 05:41:14,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 05:41:14,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 05:41:14,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 05:41:14,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 05:41:14,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 05:41:14,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 05:41:14,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 05:41:14,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 05:41:14,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 05:41:14,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 05:41:14,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 05:41:14,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 05:41:14,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 05:41:14,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 05:41:14,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 05:41:14,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 05:41:14,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 05:41:14,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 05:41:14,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 05:41:14,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 05:41:14,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 05:41:14,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 05:41:14,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 05:41:14,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 05:41:14,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 05:41:14,567 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 05:41:14,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 05:41:14,568 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 05:41:14,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 05:41:14,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 05:41:14,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 05:41:14,570 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 [2019-09-18 05:41:14,590 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 05:41:14,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 05:41:14,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 05:41:14,594 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 05:41:14,595 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 05:41:14,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 05:41:14,596 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 05:41:14,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 05:41:14,596 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 05:41:14,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 05:41:14,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 05:41:14,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 05:41:14,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 05:41:14,598 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 05:41:14,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 05:41:14,599 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 05:41:14,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 05:41:14,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 05:41:14,600 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 05:41:14,600 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 05:41:14,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 05:41:14,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 05:41:14,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 05:41:14,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 05:41:14,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 05:41:14,601 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 05:41:14,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 05:41:14,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 05:41:14,602 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 -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-18 05:41:14,661 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 05:41:14,680 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 05:41:14,686 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 05:41:14,688 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 05:41:14,688 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 05:41:14,689 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.02.cil.c [2019-09-18 05:41:14,748 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/894eaaf5d/2f2c5bfb4e5d48c1a75f10bad61e3056/FLAG2efbea81a [2019-09-18 05:41:15,221 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 05:41:15,222 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/transmitter.02.cil.c [2019-09-18 05:41:15,237 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/894eaaf5d/2f2c5bfb4e5d48c1a75f10bad61e3056/FLAG2efbea81a [2019-09-18 05:41:15,606 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/894eaaf5d/2f2c5bfb4e5d48c1a75f10bad61e3056 [2019-09-18 05:41:15,616 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 05:41:15,618 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 05:41:15,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 05:41:15,619 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 05:41:15,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 05:41:15,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 05:41:15" (1/1) ... [2019-09-18 05:41:15,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ec8f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:41:15, skipping insertion in model container [2019-09-18 05:41:15,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 05:41:15" (1/1) ... [2019-09-18 05:41:15,634 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 05:41:15,684 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 05:41:15,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 05:41:15,890 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 05:41:16,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 05:41:16,046 INFO L192 MainTranslator]: Completed translation [2019-09-18 05:41:16,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:41:16 WrapperNode [2019-09-18 05:41:16,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 05:41:16,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 05:41:16,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 05:41:16,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 05:41:16,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:41:16" (1/1) ... [2019-09-18 05:41:16,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:41:16" (1/1) ... [2019-09-18 05:41:16,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:41:16" (1/1) ... [2019-09-18 05:41:16,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:41:16" (1/1) ... [2019-09-18 05:41:16,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:41:16" (1/1) ... [2019-09-18 05:41:16,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:41:16" (1/1) ... [2019-09-18 05:41:16,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:41:16" (1/1) ... [2019-09-18 05:41:16,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 05:41:16,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 05:41:16,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 05:41:16,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 05:41:16,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:41:16" (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 [2019-09-18 05:41:16,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 05:41:16,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 05:41:16,158 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-18 05:41:16,158 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-18 05:41:16,159 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-18 05:41:16,160 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-18 05:41:16,160 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-18 05:41:16,160 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-18 05:41:16,160 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-18 05:41:16,161 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-18 05:41:16,161 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-18 05:41:16,162 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-18 05:41:16,162 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-18 05:41:16,162 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-18 05:41:16,162 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-18 05:41:16,162 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-18 05:41:16,165 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-18 05:41:16,165 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-18 05:41:16,165 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-18 05:41:16,165 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-18 05:41:16,165 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-18 05:41:16,166 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-18 05:41:16,166 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 05:41:16,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 05:41:16,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 05:41:16,166 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-18 05:41:16,166 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-18 05:41:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-18 05:41:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-18 05:41:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-18 05:41:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-18 05:41:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-18 05:41:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-18 05:41:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-18 05:41:16,168 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-18 05:41:16,168 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-18 05:41:16,168 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-18 05:41:16,168 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-18 05:41:16,169 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-18 05:41:16,169 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-18 05:41:16,169 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-18 05:41:16,169 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-18 05:41:16,169 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-18 05:41:16,170 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-18 05:41:16,170 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-18 05:41:16,170 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 05:41:16,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 05:41:16,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 05:41:16,744 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 05:41:16,744 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-18 05:41:16,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 05:41:16 BoogieIcfgContainer [2019-09-18 05:41:16,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 05:41:16,747 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 05:41:16,747 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 05:41:16,747 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 05:41:16,748 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 05:41:16" (1/1) ... [2019-09-18 05:41:16,749 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 05:41:16,772 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 05:41:16,772 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 05:41:16,782 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 05:41:16,791 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 05:41:16,793 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 05:41:16,974 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 59 for LOIs [2019-09-18 05:41:17,022 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 54 for LOIs [2019-09-18 05:41:18,014 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2019-09-18 05:41:18,399 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-09-18 05:41:18,505 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-18 05:41:18,695 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-18 05:41:19,635 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-18 05:41:19,792 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-18 05:41:19,955 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-18 05:41:20,154 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-18 05:41:21,680 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2019-09-18 05:41:21,834 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-18 05:41:22,068 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-18 05:41:22,285 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-18 05:41:22,567 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2019-09-18 05:41:23,367 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2019-09-18 05:41:23,743 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2019-09-18 05:41:23,887 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-18 05:41:24,320 WARN L191 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2019-09-18 05:41:24,531 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-18 05:41:24,536 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 57 for LOIs [2019-09-18 05:41:24,793 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2019-09-18 05:41:25,183 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 68 [2019-09-18 05:41:25,477 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-09-18 05:41:25,883 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2019-09-18 05:41:26,321 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-09-18 05:41:26,693 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2019-09-18 05:41:26,942 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2019-09-18 05:41:27,150 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 36 [2019-09-18 05:41:27,342 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 38 [2019-09-18 05:41:27,626 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-09-18 05:41:27,921 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2019-09-18 05:41:28,295 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-18 05:41:28,692 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2019-09-18 05:41:29,017 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-18 05:41:29,440 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2019-09-18 05:41:29,487 INFO L199 IcfgInterpreter]: Interpreting procedure transmit2 with input of size 9 for LOIs [2019-09-18 05:41:29,488 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 9 for LOIs [2019-09-18 05:41:29,498 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 05:41:29,498 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 05:41:29,501 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 915#(and (= 1 ~t2_st~0) (= 1 ~t2_pc~0)) [2019-09-18 05:41:29,516 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 05:41:29,516 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 05:41:29,518 INFO L168 Benchmark]: Toolchain (without parser) took 13900.43 ms. Allocated memory was 132.6 MB in the beginning and 407.9 MB in the end (delta: 275.3 MB). Free memory was 87.3 MB in the beginning and 354.1 MB in the end (delta: -266.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. [2019-09-18 05:41:29,519 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 132.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 05:41:29,522 INFO L168 Benchmark]: CACSL2BoogieTranslator took 427.71 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 87.1 MB in the beginning and 172.9 MB in the end (delta: -85.9 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-09-18 05:41:29,523 INFO L168 Benchmark]: Boogie Preprocessor took 43.86 ms. Allocated memory is still 199.2 MB. Free memory was 172.9 MB in the beginning and 171.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-09-18 05:41:29,524 INFO L168 Benchmark]: RCFGBuilder took 655.25 ms. Allocated memory is still 199.2 MB. Free memory was 171.1 MB in the beginning and 136.3 MB in the end (delta: 34.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. [2019-09-18 05:41:29,525 INFO L168 Benchmark]: Sifa took 12769.80 ms. Allocated memory was 199.2 MB in the beginning and 407.9 MB in the end (delta: 208.7 MB). Free memory was 136.3 MB in the beginning and 354.1 MB in the end (delta: -217.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 05:41:29,531 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 132.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 427.71 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 87.1 MB in the beginning and 172.9 MB in the end (delta: -85.9 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.86 ms. Allocated memory is still 199.2 MB. Free memory was 172.9 MB in the beginning and 171.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 655.25 ms. Allocated memory is still 199.2 MB. Free memory was 171.1 MB in the beginning and 136.3 MB in the end (delta: 34.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. * Sifa took 12769.80 ms. Allocated memory was 199.2 MB in the beginning and 407.9 MB in the end (delta: 208.7 MB). Free memory was 136.3 MB in the beginning and 354.1 MB in the end (delta: -217.8 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]: 12729, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 470, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 342, TOOLS_POST_TIME[ms]: 104, TOOLS_POST_CALL_APPLICATIONS: 82, TOOLS_POST_CALL_TIME[ms]: 195, TOOLS_POST_RETURN_APPLICATIONS: 77, TOOLS_POST_RETURN_TIME[ms]: 116, TOOLS_QUANTIFIERELIM_APPLICATIONS: 500, TOOLS_QUANTIFIERELIM_TIME[ms]: 293, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 14, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 476, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 175, DOMAIN_JOIN_TIME[ms]: 11703, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 171, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 11, DOMAIN_ISBOTTOM_APPLICATIONS: 143, DOMAIN_ISBOTTOM_TIME[ms]: 253, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 8430, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8430, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 77, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 5746, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5745, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 10, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 45, DAG_COMPRESSION_PROCESSED_NODES: 640, DAG_COMPRESSION_RETAINED_NODES: 349 - UnprovableResult [Line: 11]: 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 915#(and (= 1 ~t2_st~0) (= 1 ~t2_pc~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...