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 NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/systemc/transmitter.03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 23:37:07,189 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:37:07,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:37:07,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:37:07,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:37:07,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:37:07,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:37:07,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:37:07,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:37:07,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:37:07,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:37:07,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:37:07,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:37:07,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:37:07,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:37:07,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:37:07,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:37:07,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:37:07,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:37:07,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:37:07,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:37:07,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:37:07,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:37:07,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:37:07,228 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:37:07,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:37:07,229 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:37:07,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:37:07,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:37:07,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 23:37:07,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 23:37:07,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 23:37:07,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 23:37:07,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 23:37:07,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 23:37:07,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 23:37:07,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 23:37:07,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 23:37:07,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:37:07,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:37:07,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:37:07,239 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 [2019-09-20 23:37:07,262 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:37:07,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:37:07,265 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:37:07,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:37:07,265 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:37:07,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:37:07,266 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:37:07,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:37:07,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:37:07,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:37:07,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:37:07,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:37:07,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:37:07,268 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:37:07,268 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:37:07,268 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:37:07,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:37:07,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:37:07,269 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:37:07,269 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:37:07,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:37:07,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:37:07,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:37:07,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:37:07,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:37:07,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:37:07,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:37:07,271 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:37:07,271 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 23:37:07,326 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:37:07,343 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:37:07,347 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:37:07,349 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:37:07,349 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:37:07,350 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.03.cil.c [2019-09-20 23:37:07,418 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f8e37aaa/4594d50cdaa9456a961ff2543dca573b/FLAGec3ab56a1 [2019-09-20 23:37:07,910 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:37:07,911 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/transmitter.03.cil.c [2019-09-20 23:37:07,922 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f8e37aaa/4594d50cdaa9456a961ff2543dca573b/FLAGec3ab56a1 [2019-09-20 23:37:08,240 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f8e37aaa/4594d50cdaa9456a961ff2543dca573b [2019-09-20 23:37:08,250 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:37:08,252 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:37:08,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:37:08,253 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:37:08,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:37:08,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:37:08" (1/1) ... [2019-09-20 23:37:08,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b3e828a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:37:08, skipping insertion in model container [2019-09-20 23:37:08,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:37:08" (1/1) ... [2019-09-20 23:37:08,268 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:37:08,318 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:37:08,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:37:08,710 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:37:08,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:37:08,953 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:37:08,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:37:08 WrapperNode [2019-09-20 23:37:08,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:37:08,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:37:08,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:37:08,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:37:08,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:37:08" (1/1) ... [2019-09-20 23:37:08,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:37:08" (1/1) ... [2019-09-20 23:37:08,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:37:08" (1/1) ... [2019-09-20 23:37:08,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:37:08" (1/1) ... [2019-09-20 23:37:09,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:37:08" (1/1) ... [2019-09-20 23:37:09,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:37:08" (1/1) ... [2019-09-20 23:37:09,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:37:08" (1/1) ... [2019-09-20 23:37:09,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:37:09,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:37:09,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:37:09,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:37:09,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:37:08" (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 [2019-09-20 23:37:09,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:37:09,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:37:09,111 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 23:37:09,111 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-20 23:37:09,112 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-20 23:37:09,112 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-20 23:37:09,112 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2019-09-20 23:37:09,112 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-20 23:37:09,112 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-20 23:37:09,113 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-20 23:37:09,113 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2019-09-20 23:37:09,113 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 23:37:09,113 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 23:37:09,113 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 23:37:09,114 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 23:37:09,114 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 23:37:09,114 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 23:37:09,114 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 23:37:09,117 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 23:37:09,117 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 23:37:09,118 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 23:37:09,118 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 23:37:09,118 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 23:37:09,118 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 23:37:09,118 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:37:09,120 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:37:09,120 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 23:37:09,121 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 23:37:09,121 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-20 23:37:09,121 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-20 23:37:09,121 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-20 23:37:09,121 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2019-09-20 23:37:09,121 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 23:37:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-20 23:37:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-20 23:37:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-20 23:37:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2019-09-20 23:37:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 23:37:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 23:37:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 23:37:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 23:37:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 23:37:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 23:37:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 23:37:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 23:37:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 23:37:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 23:37:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 23:37:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 23:37:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:37:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:37:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:37:10,202 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:37:10,203 INFO L283 CfgBuilder]: Removed 7 assume(true) statements. [2019-09-20 23:37:10,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:37:10 BoogieIcfgContainer [2019-09-20 23:37:10,204 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:37:10,205 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:37:10,205 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:37:10,206 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:37:10,208 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:37:10" (1/1) ... [2019-09-20 23:37:10,209 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-20 23:37:10,251 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:37:10,251 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:37:10,269 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:37:10,281 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:37:10,283 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:37:10,511 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 79 for LOIs [2019-09-20 23:37:10,574 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 72 for LOIs [2019-09-20 23:37:11,502 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 67 [2019-09-20 23:37:12,473 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-09-20 23:37:13,830 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2019-09-20 23:37:14,030 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2019-09-20 23:37:14,294 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-20 23:37:14,460 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-20 23:37:14,915 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2019-09-20 23:37:15,929 WARN L191 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 92 [2019-09-20 23:37:16,159 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 23:37:16,282 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2019-09-20 23:37:17,223 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2019-09-20 23:37:17,578 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2019-09-20 23:37:17,782 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2019-09-20 23:37:18,031 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-20 23:37:18,212 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-20 23:37:19,408 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2019-09-20 23:37:19,575 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-20 23:37:20,112 WARN L191 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 92 [2019-09-20 23:37:20,333 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 23:37:21,020 WARN L191 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 97 [2019-09-20 23:37:21,319 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 23:37:21,324 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 80 for LOIs [2019-09-20 23:37:21,741 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 91 [2019-09-20 23:37:21,897 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-20 23:37:22,288 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 91 [2019-09-20 23:37:22,447 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-20 23:37:22,849 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 91 [2019-09-20 23:37:23,038 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-20 23:37:23,552 WARN L191 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 101 [2019-09-20 23:37:24,081 WARN L191 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 101 [2019-09-20 23:37:24,627 WARN L191 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 101 [2019-09-20 23:37:25,679 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2019-09-20 23:37:25,876 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2019-09-20 23:37:26,109 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-20 23:37:26,307 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-20 23:37:27,345 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2019-09-20 23:37:27,551 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2019-09-20 23:37:27,805 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-20 23:37:27,999 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-20 23:37:28,858 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2019-09-20 23:37:29,220 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2019-09-20 23:37:29,422 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2019-09-20 23:37:29,671 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-20 23:37:29,871 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-20 23:37:30,009 INFO L199 IcfgInterpreter]: Interpreting procedure transmit3 with input of size 9 for LOIs [2019-09-20 23:37:30,010 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 9 for LOIs [2019-09-20 23:37:30,021 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 23:37:30,021 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 23:37:30,024 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 910#(and (= 1 ~t3_pc~0) (= 1 ~t3_st~0)) [2019-09-20 23:37:30,038 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 23:37:30,038 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 23:37:30,040 INFO L168 Benchmark]: Toolchain (without parser) took 21788.07 ms. Allocated memory was 140.0 MB in the beginning and 456.7 MB in the end (delta: 316.7 MB). Free memory was 87.5 MB in the beginning and 250.0 MB in the end (delta: -162.5 MB). Peak memory consumption was 154.2 MB. Max. memory is 7.1 GB. [2019-09-20 23:37:30,041 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 23:37:30,042 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.47 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 87.3 MB in the beginning and 174.3 MB in the end (delta: -87.0 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2019-09-20 23:37:30,042 INFO L168 Benchmark]: Boogie Preprocessor took 91.24 ms. Allocated memory is still 200.3 MB. Free memory was 174.3 MB in the beginning and 171.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-09-20 23:37:30,043 INFO L168 Benchmark]: RCFGBuilder took 1157.48 ms. Allocated memory is still 200.3 MB. Free memory was 171.8 MB in the beginning and 87.0 MB in the end (delta: 84.8 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. [2019-09-20 23:37:30,044 INFO L168 Benchmark]: Sifa took 19833.05 ms. Allocated memory was 200.3 MB in the beginning and 456.7 MB in the end (delta: 256.4 MB). Free memory was 87.0 MB in the beginning and 250.0 MB in the end (delta: -163.0 MB). Peak memory consumption was 93.4 MB. Max. memory is 7.1 GB. [2019-09-20 23:37:30,048 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 702.47 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 87.3 MB in the beginning and 174.3 MB in the end (delta: -87.0 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.24 ms. Allocated memory is still 200.3 MB. Free memory was 174.3 MB in the beginning and 171.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1157.48 ms. Allocated memory is still 200.3 MB. Free memory was 171.8 MB in the beginning and 87.0 MB in the end (delta: 84.8 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. * Sifa took 19833.05 ms. Allocated memory was 200.3 MB in the beginning and 456.7 MB in the end (delta: 256.4 MB). Free memory was 87.0 MB in the beginning and 250.0 MB in the end (delta: -163.0 MB). Peak memory consumption was 93.4 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]: 19773, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 424, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 302, TOOLS_POST_TIME[ms]: 126, TOOLS_POST_CALL_APPLICATIONS: 87, TOOLS_POST_CALL_TIME[ms]: 225, TOOLS_POST_RETURN_APPLICATIONS: 82, TOOLS_POST_RETURN_TIME[ms]: 151, TOOLS_QUANTIFIERELIM_APPLICATIONS: 469, TOOLS_QUANTIFIERELIM_TIME[ms]: 371, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 22, FLUID_QUERY_TIME[ms]: 1, FLUID_QUERIES: 432, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 184, DOMAIN_JOIN_TIME[ms]: 18808, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 13, DOMAIN_ISBOTTOM_APPLICATIONS: 142, DOMAIN_ISBOTTOM_TIME[ms]: 240, LOOP_SUMMARIZER_APPLICATIONS: 8, LOOP_SUMMARIZER_CACHE_MISSES: 8, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 11656, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11655, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 82, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 7725, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 7723, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 59, DAG_COMPRESSION_PROCESSED_NODES: 555, DAG_COMPRESSION_RETAINED_NODES: 282 - 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 910#(and (= 1 ~t3_pc~0) (= 1 ~t3_st~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...