java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/systemc/transmitter.04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 14:32:44,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 14:32:44,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 14:32:44,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 14:32:44,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 14:32:44,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 14:32:44,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 14:32:44,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 14:32:44,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 14:32:44,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 14:32:44,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 14:32:44,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 14:32:44,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 14:32:44,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 14:32:44,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 14:32:44,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 14:32:44,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 14:32:44,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 14:32:44,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 14:32:44,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 14:32:44,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 14:32:44,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 14:32:44,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 14:32:44,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 14:32:44,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 14:32:44,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 14:32:44,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 14:32:44,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 14:32:44,224 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 14:32:44,225 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 14:32:44,225 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 14:32:44,226 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 14:32:44,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 14:32:44,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 14:32:44,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 14:32:44,229 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 14:32:44,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 14:32:44,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 14:32:44,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 14:32:44,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 14:32:44,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 14:32:44,232 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-04 14:32:44,250 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 14:32:44,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 14:32:44,251 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 14:32:44,251 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 14:32:44,252 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 14:32:44,252 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 14:32:44,252 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 14:32:44,252 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 14:32:44,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 14:32:44,253 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 14:32:44,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 14:32:44,253 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 14:32:44,253 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 14:32:44,253 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 14:32:44,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 14:32:44,254 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 14:32:44,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 14:32:44,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 14:32:44,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 14:32:44,255 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 14:32:44,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 14:32:44,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 14:32:44,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 14:32:44,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 14:32:44,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 14:32:44,256 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 14:32:44,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 14:32:44,256 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 14:32:44,256 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-04 14:32:44,287 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 14:32:44,300 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 14:32:44,305 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 14:32:44,307 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 14:32:44,307 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 14:32:44,307 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.04.cil.c [2019-10-04 14:32:44,368 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca96a52a3/fa2f148e06014445971553c67d0c5c1f/FLAG587c37fda [2019-10-04 14:32:44,885 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 14:32:44,886 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/transmitter.04.cil.c [2019-10-04 14:32:44,909 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca96a52a3/fa2f148e06014445971553c67d0c5c1f/FLAG587c37fda [2019-10-04 14:32:45,248 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca96a52a3/fa2f148e06014445971553c67d0c5c1f [2019-10-04 14:32:45,257 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 14:32:45,258 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 14:32:45,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 14:32:45,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 14:32:45,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 14:32:45,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 02:32:45" (1/1) ... [2019-10-04 14:32:45,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b536ee0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:32:45, skipping insertion in model container [2019-10-04 14:32:45,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 02:32:45" (1/1) ... [2019-10-04 14:32:45,277 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 14:32:45,313 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 14:32:45,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 14:32:45,575 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 14:32:45,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 14:32:45,778 INFO L192 MainTranslator]: Completed translation [2019-10-04 14:32:45,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:32:45 WrapperNode [2019-10-04 14:32:45,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 14:32:45,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 14:32:45,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 14:32:45,780 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 14:32:45,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:32:45" (1/1) ... [2019-10-04 14:32:45,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:32:45" (1/1) ... [2019-10-04 14:32:45,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:32:45" (1/1) ... [2019-10-04 14:32:45,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:32:45" (1/1) ... [2019-10-04 14:32:45,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:32:45" (1/1) ... [2019-10-04 14:32:45,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:32:45" (1/1) ... [2019-10-04 14:32:45,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:32:45" (1/1) ... [2019-10-04 14:32:45,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 14:32:45,834 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 14:32:45,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 14:32:45,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 14:32:45,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:32:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 14:32:45,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 14:32:45,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 14:32:45,897 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-10-04 14:32:45,898 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-10-04 14:32:45,898 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-10-04 14:32:45,898 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-10-04 14:32:45,898 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2019-10-04 14:32:45,898 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2019-10-04 14:32:45,898 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-10-04 14:32:45,899 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-10-04 14:32:45,899 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-10-04 14:32:45,899 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2019-10-04 14:32:45,899 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2019-10-04 14:32:45,899 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-10-04 14:32:45,899 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-10-04 14:32:45,900 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-10-04 14:32:45,900 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-10-04 14:32:45,900 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-10-04 14:32:45,900 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-10-04 14:32:45,900 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-10-04 14:32:45,901 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-10-04 14:32:45,901 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-10-04 14:32:45,901 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-10-04 14:32:45,901 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-10-04 14:32:45,901 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-10-04 14:32:45,901 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-10-04 14:32:45,902 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 14:32:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 14:32:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 14:32:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-10-04 14:32:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-10-04 14:32:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-10-04 14:32:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-10-04 14:32:45,903 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2019-10-04 14:32:45,903 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2019-10-04 14:32:45,903 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-10-04 14:32:45,903 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-10-04 14:32:45,903 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-10-04 14:32:45,903 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-10-04 14:32:45,904 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2019-10-04 14:32:45,904 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2019-10-04 14:32:45,904 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-10-04 14:32:45,904 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-10-04 14:32:45,904 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-10-04 14:32:45,904 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-10-04 14:32:45,904 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-10-04 14:32:45,905 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-10-04 14:32:45,905 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-10-04 14:32:45,905 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-10-04 14:32:45,905 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-10-04 14:32:45,905 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-10-04 14:32:45,905 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-10-04 14:32:45,906 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-10-04 14:32:45,906 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 14:32:45,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 14:32:45,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 14:32:47,109 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 14:32:47,110 INFO L283 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-04 14:32:47,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 02:32:47 BoogieIcfgContainer [2019-10-04 14:32:47,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 14:32:47,112 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 14:32:47,112 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 14:32:47,113 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 14:32:47,114 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 02:32:47" (1/1) ... [2019-10-04 14:32:47,115 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-04 14:32:47,144 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 14:32:47,144 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 14:32:47,153 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 14:32:47,162 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 14:32:47,164 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 14:32:47,503 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 127 for LOIs [2019-10-04 14:32:47,544 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 112 for LOIs [2019-10-04 14:32:47,719 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-10-04 14:32:47,876 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-10-04 14:32:48,786 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-10-04 14:32:48,855 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-10-04 14:32:49,666 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-10-04 14:32:49,712 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-10-04 14:32:51,014 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 86 for LOIs [2019-10-04 14:32:52,278 INFO L199 IcfgInterpreter]: Interpreting procedure transmit4 with input of size 29 for LOIs [2019-10-04 14:32:52,280 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 29 for LOIs [2019-10-04 14:32:52,285 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 14:32:52,286 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 14:32:52,288 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 3675#(and (not (= 0 ~t4_pc~0)) (= ~m_i~0 1) (= ~t4_i~0 1) (<= ~t4_st~0 1) (= ~t1_i~0 1) (<= 1 ~t2_i~0) (= 1 ~t4_pc~0) (<= ~t1_i~0 1) (<= 1 ~t4_st~0) (<= ~t3_i~0 1) (<= 1 ~t4_pc~0) (<= ~m_i~0 1) (<= 1 ~m_i~0) (= ~t3_i~0 1) (<= ~t4_i~0 1) (<= 1 ~t3_i~0) (<= 1 ~t4_i~0) (= ~t2_i~0 1) (<= ~t4_pc~0 1) (= 1 ~t4_st~0) (<= ~t2_i~0 1) (<= 1 ~t1_i~0)) [2019-10-04 14:32:52,302 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-04 14:32:52,302 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 14:32:52,305 INFO L168 Benchmark]: Toolchain (without parser) took 7045.54 ms. Allocated memory was 141.0 MB in the beginning and 426.8 MB in the end (delta: 285.7 MB). Free memory was 88.6 MB in the beginning and 368.7 MB in the end (delta: -280.2 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2019-10-04 14:32:52,307 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 141.0 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-04 14:32:52,308 INFO L168 Benchmark]: CACSL2BoogieTranslator took 519.86 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 88.3 MB in the beginning and 174.6 MB in the end (delta: -86.3 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2019-10-04 14:32:52,310 INFO L168 Benchmark]: Boogie Preprocessor took 54.84 ms. Allocated memory is still 200.8 MB. Free memory was 174.6 MB in the beginning and 171.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-10-04 14:32:52,311 INFO L168 Benchmark]: RCFGBuilder took 1276.97 ms. Allocated memory was 200.8 MB in the beginning and 228.1 MB in the end (delta: 27.3 MB). Free memory was 171.6 MB in the beginning and 186.4 MB in the end (delta: -14.9 MB). Peak memory consumption was 95.6 MB. Max. memory is 7.1 GB. [2019-10-04 14:32:52,316 INFO L168 Benchmark]: Sifa took 5190.47 ms. Allocated memory was 228.1 MB in the beginning and 426.8 MB in the end (delta: 198.7 MB). Free memory was 186.4 MB in the beginning and 368.7 MB in the end (delta: -182.3 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-10-04 14:32:52,327 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 141.0 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 519.86 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 88.3 MB in the beginning and 174.6 MB in the end (delta: -86.3 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 54.84 ms. Allocated memory is still 200.8 MB. Free memory was 174.6 MB in the beginning and 171.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1276.97 ms. Allocated memory was 200.8 MB in the beginning and 228.1 MB in the end (delta: 27.3 MB). Free memory was 171.6 MB in the beginning and 186.4 MB in the end (delta: -14.9 MB). Peak memory consumption was 95.6 MB. Max. memory is 7.1 GB. * Sifa took 5190.47 ms. Allocated memory was 228.1 MB in the beginning and 426.8 MB in the end (delta: 198.7 MB). Free memory was 186.4 MB in the beginning and 368.7 MB in the end (delta: -182.3 MB). Peak memory consumption was 16.4 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]: 5144, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 519, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 370, TOOLS_POST_TIME[ms]: 142, TOOLS_POST_CALL_APPLICATIONS: 103, TOOLS_POST_CALL_TIME[ms]: 336, TOOLS_POST_RETURN_APPLICATIONS: 98, TOOLS_POST_RETURN_TIME[ms]: 144, TOOLS_QUANTIFIERELIM_APPLICATIONS: 569, TOOLS_QUANTIFIERELIM_TIME[ms]: 463, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 21, FLUID_QUERY_TIME[ms]: 18, FLUID_QUERIES: 525, FLUID_YES_ANSWERS: 3, DOMAIN_JOIN_APPLICATIONS: 232, DOMAIN_JOIN_TIME[ms]: 3620, DOMAIN_ALPHA_APPLICATIONS: 3, DOMAIN_ALPHA_TIME[ms]: 377, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 11, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 9, DOMAIN_ISBOTTOM_APPLICATIONS: 195, DOMAIN_ISBOTTOM_TIME[ms]: 300, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1942, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1941, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 98, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 2920, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2919, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 13, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 48, DAG_COMPRESSION_PROCESSED_NODES: 746, DAG_COMPRESSION_RETAINED_NODES: 362 - 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 3675#(and (not (= 0 ~t4_pc~0)) (= ~m_i~0 1) (= ~t4_i~0 1) (<= ~t4_st~0 1) (= ~t1_i~0 1) (<= 1 ~t2_i~0) (= 1 ~t4_pc~0) (<= ~t1_i~0 1) (<= 1 ~t4_st~0) (<= ~t3_i~0 1) (<= 1 ~t4_pc~0) (<= ~m_i~0 1) (<= 1 ~m_i~0) (= ~t3_i~0 1) (<= ~t4_i~0 1) (<= 1 ~t3_i~0) (<= 1 ~t4_i~0) (= ~t2_i~0 1) (<= ~t4_pc~0 1) (= 1 ~t4_st~0) (<= ~t2_i~0 1) (<= 1 ~t1_i~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...