java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/systemc/transmitter.03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 20:24:54,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 20:24:54,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 20:24:54,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 20:24:54,746 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 20:24:54,747 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 20:24:54,749 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 20:24:54,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 20:24:54,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 20:24:54,753 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 20:24:54,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 20:24:54,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 20:24:54,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 20:24:54,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 20:24:54,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 20:24:54,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 20:24:54,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 20:24:54,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 20:24:54,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 20:24:54,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 20:24:54,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 20:24:54,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 20:24:54,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 20:24:54,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 20:24:54,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 20:24:54,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 20:24:54,773 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 20:24:54,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 20:24:54,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 20:24:54,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 20:24:54,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 20:24:54,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 20:24:54,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 20:24:54,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 20:24:54,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 20:24:54,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 20:24:54,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 20:24:54,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 20:24:54,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 20:24:54,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 20:24:54,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 20:24:54,783 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 [2019-09-16 20:24:54,798 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 20:24:54,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 20:24:54,799 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 20:24:54,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 20:24:54,800 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 20:24:54,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 20:24:54,800 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 20:24:54,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 20:24:54,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 20:24:54,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 20:24:54,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 20:24:54,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 20:24:54,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 20:24:54,802 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 20:24:54,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 20:24:54,802 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 20:24:54,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 20:24:54,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 20:24:54,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 20:24:54,803 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 20:24:54,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 20:24:54,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 20:24:54,804 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 20:24:54,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 20:24:54,804 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 20:24:54,804 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 20:24:54,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 20:24:54,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 20:24:54,805 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-16 20:24:54,838 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 20:24:54,855 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 20:24:54,859 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 20:24:54,861 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 20:24:54,863 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 20:24:54,864 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.03.cil.c [2019-09-16 20:24:54,936 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f28abb36/8df00e979ec147f4a800a3ba9e125b08/FLAGdec55c6f7 [2019-09-16 20:24:55,429 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 20:24:55,430 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/transmitter.03.cil.c [2019-09-16 20:24:55,445 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f28abb36/8df00e979ec147f4a800a3ba9e125b08/FLAGdec55c6f7 [2019-09-16 20:24:55,767 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f28abb36/8df00e979ec147f4a800a3ba9e125b08 [2019-09-16 20:24:55,777 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 20:24:55,778 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 20:24:55,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 20:24:55,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 20:24:55,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 20:24:55,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 08:24:55" (1/1) ... [2019-09-16 20:24:55,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eb505d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:55, skipping insertion in model container [2019-09-16 20:24:55,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 08:24:55" (1/1) ... [2019-09-16 20:24:55,794 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 20:24:55,840 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 20:24:56,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 20:24:56,104 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 20:24:56,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 20:24:56,265 INFO L192 MainTranslator]: Completed translation [2019-09-16 20:24:56,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:56 WrapperNode [2019-09-16 20:24:56,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 20:24:56,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 20:24:56,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 20:24:56,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 20:24:56,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:56" (1/1) ... [2019-09-16 20:24:56,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:56" (1/1) ... [2019-09-16 20:24:56,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:56" (1/1) ... [2019-09-16 20:24:56,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:56" (1/1) ... [2019-09-16 20:24:56,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:56" (1/1) ... [2019-09-16 20:24:56,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:56" (1/1) ... [2019-09-16 20:24:56,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:56" (1/1) ... [2019-09-16 20:24:56,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 20:24:56,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 20:24:56,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 20:24:56,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 20:24:56,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:56" (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 [2019-09-16 20:24:56,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 20:24:56,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 20:24:56,378 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-16 20:24:56,378 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-16 20:24:56,378 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-16 20:24:56,378 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-16 20:24:56,379 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2019-09-16 20:24:56,379 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-16 20:24:56,379 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-16 20:24:56,379 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-16 20:24:56,379 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2019-09-16 20:24:56,379 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-16 20:24:56,380 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-16 20:24:56,380 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-16 20:24:56,380 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-16 20:24:56,380 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-16 20:24:56,380 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-16 20:24:56,381 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-16 20:24:56,381 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-16 20:24:56,381 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-16 20:24:56,381 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-16 20:24:56,381 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-16 20:24:56,381 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-16 20:24:56,381 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-16 20:24:56,382 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 20:24:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 20:24:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 20:24:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-16 20:24:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-16 20:24:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-16 20:24:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-16 20:24:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2019-09-16 20:24:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-16 20:24:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-16 20:24:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-16 20:24:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-16 20:24:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2019-09-16 20:24:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-16 20:24:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-16 20:24:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-16 20:24:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-16 20:24:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-16 20:24:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-16 20:24:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-16 20:24:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-16 20:24:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-16 20:24:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-16 20:24:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-16 20:24:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-16 20:24:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 20:24:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 20:24:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 20:24:57,436 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 20:24:57,436 INFO L283 CfgBuilder]: Removed 7 assume(true) statements. [2019-09-16 20:24:57,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 08:24:57 BoogieIcfgContainer [2019-09-16 20:24:57,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 20:24:57,438 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-16 20:24:57,439 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-16 20:24:57,439 INFO L275 PluginConnector]: Sifa initialized [2019-09-16 20:24:57,440 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 08:24:57" (1/1) ... [2019-09-16 20:24:57,441 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 [2019-09-16 20:24:57,466 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-16 20:24:57,466 INFO L169 IcfgInterpreter]: Building call graph [2019-09-16 20:24:57,476 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-16 20:24:57,487 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-16 20:24:57,489 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-16 20:24:57,744 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 79 for LOIs [2019-09-16 20:24:57,789 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 72 for LOIs [2019-09-16 20:25:00,341 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2019-09-16 20:25:00,530 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2019-09-16 20:25:00,779 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-16 20:25:00,961 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-16 20:25:02,379 WARN L191 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 88 [2019-09-16 20:25:02,628 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-16 20:25:02,748 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2019-09-16 20:25:03,931 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2019-09-16 20:25:04,129 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2019-09-16 20:25:04,368 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-16 20:25:04,552 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-16 20:25:05,615 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2019-09-16 20:25:05,788 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-16 20:25:06,333 WARN L191 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 88 [2019-09-16 20:25:06,552 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-16 20:25:07,154 WARN L191 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 94 [2019-09-16 20:25:07,431 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-16 20:25:07,436 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 74 for LOIs [2019-09-16 20:25:07,830 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 90 [2019-09-16 20:25:07,986 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-16 20:25:08,339 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 90 [2019-09-16 20:25:08,487 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-16 20:25:08,854 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 90 [2019-09-16 20:25:09,003 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-16 20:25:09,501 WARN L191 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 100 [2019-09-16 20:25:10,019 WARN L191 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 100 [2019-09-16 20:25:10,539 WARN L191 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 100 [2019-09-16 20:25:11,580 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2019-09-16 20:25:11,793 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2019-09-16 20:25:12,063 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-16 20:25:12,272 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-16 20:25:13,325 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2019-09-16 20:25:13,521 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2019-09-16 20:25:13,768 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-16 20:25:13,984 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-16 20:25:15,201 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2019-09-16 20:25:15,403 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2019-09-16 20:25:15,668 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-16 20:25:15,865 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-16 20:25:15,990 INFO L199 IcfgInterpreter]: Interpreting procedure transmit3 with input of size 9 for LOIs [2019-09-16 20:25:15,990 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 9 for LOIs [2019-09-16 20:25:16,000 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-16 20:25:16,001 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-16 20:25:16,004 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 962#(and (= 1 ~t3_pc~0) (= 1 ~t3_st~0)) [2019-09-16 20:25:16,014 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-16 20:25:16,015 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-16 20:25:16,016 INFO L168 Benchmark]: Toolchain (without parser) took 20237.62 ms. Allocated memory was 129.5 MB in the beginning and 500.7 MB in the end (delta: 371.2 MB). Free memory was 84.6 MB in the beginning and 338.5 MB in the end (delta: -253.9 MB). Peak memory consumption was 117.3 MB. Max. memory is 7.1 GB. [2019-09-16 20:25:16,017 INFO L168 Benchmark]: CDTParser took 1.28 ms. Allocated memory is still 129.5 MB. Free memory was 103.7 MB in the beginning and 103.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 20:25:16,018 INFO L168 Benchmark]: CACSL2BoogieTranslator took 486.50 ms. Allocated memory was 129.5 MB in the beginning and 197.7 MB in the end (delta: 68.2 MB). Free memory was 84.4 MB in the beginning and 171.1 MB in the end (delta: -86.6 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2019-09-16 20:25:16,019 INFO L168 Benchmark]: Boogie Preprocessor took 49.60 ms. Allocated memory is still 197.7 MB. Free memory was 171.1 MB in the beginning and 169.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-09-16 20:25:16,019 INFO L168 Benchmark]: RCFGBuilder took 1121.77 ms. Allocated memory is still 197.7 MB. Free memory was 169.1 MB in the beginning and 85.1 MB in the end (delta: 84.0 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. [2019-09-16 20:25:16,020 INFO L168 Benchmark]: Sifa took 18576.19 ms. Allocated memory was 197.7 MB in the beginning and 500.7 MB in the end (delta: 303.0 MB). Free memory was 85.1 MB in the beginning and 338.5 MB in the end (delta: -253.5 MB). Peak memory consumption was 49.6 MB. Max. memory is 7.1 GB. [2019-09-16 20:25:16,024 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.28 ms. Allocated memory is still 129.5 MB. Free memory was 103.7 MB in the beginning and 103.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 486.50 ms. Allocated memory was 129.5 MB in the beginning and 197.7 MB in the end (delta: 68.2 MB). Free memory was 84.4 MB in the beginning and 171.1 MB in the end (delta: -86.6 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.60 ms. Allocated memory is still 197.7 MB. Free memory was 171.1 MB in the beginning and 169.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1121.77 ms. Allocated memory is still 197.7 MB. Free memory was 169.1 MB in the beginning and 85.1 MB in the end (delta: 84.0 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. * Sifa took 18576.19 ms. Allocated memory was 197.7 MB in the beginning and 500.7 MB in the end (delta: 303.0 MB). Free memory was 85.1 MB in the beginning and 338.5 MB in the end (delta: -253.5 MB). Peak memory consumption was 49.6 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]: 18538, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 424, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 302, TOOLS_POST_TIME[ms]: 114, TOOLS_POST_CALL_APPLICATIONS: 87, TOOLS_POST_CALL_TIME[ms]: 204, TOOLS_POST_RETURN_APPLICATIONS: 82, TOOLS_POST_RETURN_TIME[ms]: 123, TOOLS_QUANTIFIERELIM_APPLICATIONS: 469, TOOLS_QUANTIFIERELIM_TIME[ms]: 316, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 20, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 432, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 184, DOMAIN_JOIN_TIME[ms]: 17652, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 37, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 5, DOMAIN_ISBOTTOM_APPLICATIONS: 142, DOMAIN_ISBOTTOM_TIME[ms]: 222, LOOP_SUMMARIZER_APPLICATIONS: 8, LOOP_SUMMARIZER_CACHE_MISSES: 8, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 11086, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11085, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 82, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 6820, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6819, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 42, 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 962#(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...