java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/systemc/transmitter.03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 18:45:27,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 18:45:27,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 18:45:27,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 18:45:27,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 18:45:27,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 18:45:27,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 18:45:27,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 18:45:27,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 18:45:27,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 18:45:27,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 18:45:27,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 18:45:27,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 18:45:27,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 18:45:27,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 18:45:27,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 18:45:27,553 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 18:45:27,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 18:45:27,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 18:45:27,557 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 18:45:27,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 18:45:27,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 18:45:27,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 18:45:27,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 18:45:27,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 18:45:27,571 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 18:45:27,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 18:45:27,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 18:45:27,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 18:45:27,574 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 18:45:27,574 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 18:45:27,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 18:45:27,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 18:45:27,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 18:45:27,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 18:45:27,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 18:45:27,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 18:45:27,583 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 18:45:27,583 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 18:45:27,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 18:45:27,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 18:45:27,589 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 18:45:27,611 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 18:45:27,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 18:45:27,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 18:45:27,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 18:45:27,613 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 18:45:27,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 18:45:27,614 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 18:45:27,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 18:45:27,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 18:45:27,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 18:45:27,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 18:45:27,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 18:45:27,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 18:45:27,615 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 18:45:27,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 18:45:27,616 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 18:45:27,617 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 18:45:27,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 18:45:27,617 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 18:45:27,617 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 18:45:27,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 18:45:27,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:45:27,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 18:45:27,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 18:45:27,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 18:45:27,619 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 18:45:27,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 18:45:27,619 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 18:45:27,619 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 18:45:27,665 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 18:45:27,680 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 18:45:27,684 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 18:45:27,687 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 18:45:27,688 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 18:45:27,690 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.03.cil.c [2019-09-20 18:45:27,760 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9eb35b23/3ff207a3239349c7a1d11d18bb41f848/FLAG85e9c6a6b [2019-09-20 18:45:28,263 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 18:45:28,263 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/transmitter.03.cil.c [2019-09-20 18:45:28,280 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9eb35b23/3ff207a3239349c7a1d11d18bb41f848/FLAG85e9c6a6b [2019-09-20 18:45:28,584 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9eb35b23/3ff207a3239349c7a1d11d18bb41f848 [2019-09-20 18:45:28,596 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 18:45:28,598 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 18:45:28,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 18:45:28,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 18:45:28,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 18:45:28,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:45:28" (1/1) ... [2019-09-20 18:45:28,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47c3d37c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:28, skipping insertion in model container [2019-09-20 18:45:28,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:45:28" (1/1) ... [2019-09-20 18:45:28,613 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 18:45:28,661 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 18:45:28,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:45:28,893 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 18:45:29,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:45:29,048 INFO L192 MainTranslator]: Completed translation [2019-09-20 18:45:29,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:29 WrapperNode [2019-09-20 18:45:29,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 18:45:29,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 18:45:29,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 18:45:29,049 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 18:45:29,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:29" (1/1) ... [2019-09-20 18:45:29,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:29" (1/1) ... [2019-09-20 18:45:29,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:29" (1/1) ... [2019-09-20 18:45:29,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:29" (1/1) ... [2019-09-20 18:45:29,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:29" (1/1) ... [2019-09-20 18:45:29,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:29" (1/1) ... [2019-09-20 18:45:29,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:29" (1/1) ... [2019-09-20 18:45:29,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 18:45:29,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 18:45:29,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 18:45:29,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 18:45:29,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:29" (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 18:45:29,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 18:45:29,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 18:45:29,165 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 18:45:29,165 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-20 18:45:29,165 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-20 18:45:29,165 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-20 18:45:29,166 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2019-09-20 18:45:29,166 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-20 18:45:29,166 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-20 18:45:29,166 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-20 18:45:29,166 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2019-09-20 18:45:29,167 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 18:45:29,167 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 18:45:29,167 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 18:45:29,167 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 18:45:29,167 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 18:45:29,167 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 18:45:29,168 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 18:45:29,168 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 18:45:29,168 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 18:45:29,168 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 18:45:29,168 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 18:45:29,169 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 18:45:29,169 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 18:45:29,169 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 18:45:29,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 18:45:29,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 18:45:29,169 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 18:45:29,170 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-20 18:45:29,170 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-20 18:45:29,170 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-20 18:45:29,170 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2019-09-20 18:45:29,170 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 18:45:29,170 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-20 18:45:29,171 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-20 18:45:29,171 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-20 18:45:29,171 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2019-09-20 18:45:29,171 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 18:45:29,171 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 18:45:29,171 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 18:45:29,171 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 18:45:29,172 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 18:45:29,172 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 18:45:29,172 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 18:45:29,172 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 18:45:29,172 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 18:45:29,172 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 18:45:29,172 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 18:45:29,173 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 18:45:29,173 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 18:45:29,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 18:45:29,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 18:45:29,770 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 18:45:29,771 INFO L283 CfgBuilder]: Removed 7 assume(true) statements. [2019-09-20 18:45:29,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:45:29 BoogieIcfgContainer [2019-09-20 18:45:29,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 18:45:29,773 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 18:45:29,773 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 18:45:29,773 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 18:45:29,775 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:45:29" (1/1) ... [2019-09-20 18:45:29,775 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 [2019-09-20 18:45:29,808 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 18:45:29,808 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 18:45:29,826 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 18:45:29,838 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 18:45:29,840 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 18:45:30,043 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 79 for LOIs [2019-09-20 18:45:30,107 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 72 for LOIs [2019-09-20 18:45:31,301 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2019-09-20 18:45:31,403 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2019-09-20 18:45:31,746 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-09-20 18:45:31,866 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 18:45:32,232 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-20 18:45:32,402 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 18:45:32,535 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 18:45:32,676 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 18:45:33,288 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2019-09-20 18:45:33,694 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2019-09-20 18:45:33,863 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2019-09-20 18:45:34,080 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-09-20 18:45:34,310 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-09-20 18:45:34,781 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2019-09-20 18:45:34,959 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-20 18:45:36,891 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2019-09-20 18:45:37,052 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2019-09-20 18:45:37,431 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2019-09-20 18:45:37,610 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2019-09-20 18:45:37,791 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-09-20 18:45:37,926 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-09-20 18:45:38,602 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2019-09-20 18:45:38,755 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2019-09-20 18:45:39,718 WARN L191 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 79 [2019-09-20 18:45:39,930 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 18:45:40,626 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 18:45:42,040 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2019-09-20 18:45:42,192 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2019-09-20 18:45:42,597 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2019-09-20 18:45:42,780 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2019-09-20 18:45:42,972 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-09-20 18:45:43,167 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-09-20 18:45:43,892 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2019-09-20 18:45:44,046 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2019-09-20 18:45:44,425 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2019-09-20 18:45:44,590 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 18:45:45,279 WARN L191 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 79 [2019-09-20 18:45:45,469 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 18:45:46,026 WARN L191 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2019-09-20 18:45:46,334 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 18:45:46,340 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 74 for LOIs [2019-09-20 18:45:46,594 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 83 [2019-09-20 18:45:46,933 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 83 [2019-09-20 18:45:47,272 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 83 [2019-09-20 18:45:47,677 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-20 18:45:47,989 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-20 18:45:48,303 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-20 18:45:49,253 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2019-09-20 18:45:49,430 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2019-09-20 18:45:49,612 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-09-20 18:45:49,752 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-09-20 18:45:50,712 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2019-09-20 18:45:50,888 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2019-09-20 18:45:51,069 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-09-20 18:45:51,207 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-09-20 18:45:52,313 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2019-09-20 18:45:52,486 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2019-09-20 18:45:52,667 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-09-20 18:45:52,810 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-09-20 18:45:52,938 INFO L199 IcfgInterpreter]: Interpreting procedure transmit3 with input of size 9 for LOIs [2019-09-20 18:45:52,939 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 9 for LOIs [2019-09-20 18:45:52,950 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 18:45:52,950 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 18:45:52,953 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1289#(and (= 1 ~t3_pc~0) (= 1 ~t3_st~0)) [2019-09-20 18:45:52,969 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 18:45:52,969 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 18:45:52,970 INFO L168 Benchmark]: Toolchain (without parser) took 24372.69 ms. Allocated memory was 134.2 MB in the beginning and 453.5 MB in the end (delta: 319.3 MB). Free memory was 90.3 MB in the beginning and 303.7 MB in the end (delta: -213.4 MB). Peak memory consumption was 105.8 MB. Max. memory is 7.1 GB. [2019-09-20 18:45:52,971 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 134.2 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 18:45:52,972 INFO L168 Benchmark]: CACSL2BoogieTranslator took 449.91 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 90.1 MB in the beginning and 174.9 MB in the end (delta: -84.8 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2019-09-20 18:45:52,973 INFO L168 Benchmark]: Boogie Preprocessor took 52.71 ms. Allocated memory is still 200.8 MB. Free memory was 174.9 MB in the beginning and 171.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-20 18:45:52,974 INFO L168 Benchmark]: RCFGBuilder took 670.66 ms. Allocated memory is still 200.8 MB. Free memory was 171.8 MB in the beginning and 130.4 MB in the end (delta: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 7.1 GB. [2019-09-20 18:45:52,975 INFO L168 Benchmark]: Sifa took 23195.94 ms. Allocated memory was 200.8 MB in the beginning and 453.5 MB in the end (delta: 252.7 MB). Free memory was 130.4 MB in the beginning and 303.7 MB in the end (delta: -173.3 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. [2019-09-20 18:45:52,979 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 134.2 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 449.91 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 90.1 MB in the beginning and 174.9 MB in the end (delta: -84.8 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 52.71 ms. Allocated memory is still 200.8 MB. Free memory was 174.9 MB in the beginning and 171.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 670.66 ms. Allocated memory is still 200.8 MB. Free memory was 171.8 MB in the beginning and 130.4 MB in the end (delta: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 7.1 GB. * Sifa took 23195.94 ms. Allocated memory was 200.8 MB in the beginning and 453.5 MB in the end (delta: 252.7 MB). Free memory was 130.4 MB in the beginning and 303.7 MB in the end (delta: -173.3 MB). Peak memory consumption was 79.4 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]: 23145, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 630, DAG_INTERPRETER_EARLY_EXITS: 7, TOOLS_POST_APPLICATIONS: 460, TOOLS_POST_TIME[ms]: 130, TOOLS_POST_CALL_APPLICATIONS: 97, TOOLS_POST_CALL_TIME[ms]: 233, TOOLS_POST_RETURN_APPLICATIONS: 92, TOOLS_POST_RETURN_TIME[ms]: 147, TOOLS_QUANTIFIERELIM_APPLICATIONS: 644, TOOLS_QUANTIFIERELIM_TIME[ms]: 366, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 640, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 266, DOMAIN_JOIN_TIME[ms]: 21992, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 21, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 221, DOMAIN_ISBOTTOM_TIME[ms]: 411, LOOP_SUMMARIZER_APPLICATIONS: 8, LOOP_SUMMARIZER_CACHE_MISSES: 8, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 14706, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 14706, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 92, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13172, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13171, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 12, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 45, DAG_COMPRESSION_PROCESSED_NODES: 740, DAG_COMPRESSION_RETAINED_NODES: 420 - 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 1289#(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...