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 SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 15:05:04,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 15:05:04,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 15:05:04,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 15:05:04,216 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 15:05:04,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 15:05:04,218 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 15:05:04,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 15:05:04,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 15:05:04,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 15:05:04,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 15:05:04,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 15:05:04,235 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 15:05:04,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 15:05:04,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 15:05:04,241 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 15:05:04,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 15:05:04,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 15:05:04,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 15:05:04,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 15:05:04,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 15:05:04,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 15:05:04,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 15:05:04,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 15:05:04,256 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 15:05:04,257 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 15:05:04,257 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 15:05:04,257 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 15:05:04,258 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 15:05:04,259 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 15:05:04,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 15:05:04,260 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 15:05:04,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 15:05:04,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 15:05:04,262 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 15:05:04,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 15:05:04,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 15:05:04,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 15:05:04,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 15:05:04,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 15:05:04,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 15:05:04,268 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-18 15:05:04,294 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 15:05:04,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 15:05:04,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 15:05:04,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 15:05:04,296 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 15:05:04,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 15:05:04,296 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 15:05:04,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 15:05:04,297 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 15:05:04,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 15:05:04,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 15:05:04,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 15:05:04,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 15:05:04,298 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 15:05:04,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 15:05:04,298 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 15:05:04,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 15:05:04,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 15:05:04,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 15:05:04,299 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 15:05:04,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 15:05:04,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 15:05:04,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 15:05:04,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 15:05:04,300 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 15:05:04,300 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 15:05:04,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 15:05:04,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 15:05:04,301 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 -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-18 15:05:04,330 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 15:05:04,346 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 15:05:04,354 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 15:05:04,356 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 15:05:04,356 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 15:05:04,358 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c [2019-09-18 15:05:04,431 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6916cc935/0f176a65cb044d9f8c9f71b13c676b13/FLAGdf5173be9 [2019-09-18 15:05:04,916 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 15:05:04,917 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c [2019-09-18 15:05:04,926 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6916cc935/0f176a65cb044d9f8c9f71b13c676b13/FLAGdf5173be9 [2019-09-18 15:05:05,288 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6916cc935/0f176a65cb044d9f8c9f71b13c676b13 [2019-09-18 15:05:05,296 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 15:05:05,298 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 15:05:05,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 15:05:05,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 15:05:05,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 15:05:05,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:05:05" (1/1) ... [2019-09-18 15:05:05,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@142c7701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:05:05, skipping insertion in model container [2019-09-18 15:05:05,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:05:05" (1/1) ... [2019-09-18 15:05:05,313 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 15:05:05,340 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 15:05:05,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 15:05:05,544 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 15:05:05,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 15:05:05,683 INFO L192 MainTranslator]: Completed translation [2019-09-18 15:05:05,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:05:05 WrapperNode [2019-09-18 15:05:05,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 15:05:05,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 15:05:05,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 15:05:05,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 15:05:05,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:05:05" (1/1) ... [2019-09-18 15:05:05,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:05:05" (1/1) ... [2019-09-18 15:05:05,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:05:05" (1/1) ... [2019-09-18 15:05:05,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:05:05" (1/1) ... [2019-09-18 15:05:05,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:05:05" (1/1) ... [2019-09-18 15:05:05,717 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:05:05" (1/1) ... [2019-09-18 15:05:05,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:05:05" (1/1) ... [2019-09-18 15:05:05,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 15:05:05,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 15:05:05,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 15:05:05,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 15:05:05,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:05:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 15:05:05,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 15:05:05,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 15:05:05,781 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-18 15:05:05,781 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-18 15:05:05,781 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-18 15:05:05,782 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-18 15:05:05,782 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-18 15:05:05,783 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-18 15:05:05,783 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-18 15:05:05,783 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-18 15:05:05,783 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-18 15:05:05,784 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-18 15:05:05,784 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-18 15:05:05,784 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-18 15:05:05,784 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 15:05:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 15:05:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 15:05:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-18 15:05:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-18 15:05:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-18 15:05:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-18 15:05:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-18 15:05:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-18 15:05:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-18 15:05:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-18 15:05:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-18 15:05:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-18 15:05:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-18 15:05:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-18 15:05:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 15:05:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 15:05:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 15:05:06,302 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 15:05:06,302 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-18 15:05:06,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:05:06 BoogieIcfgContainer [2019-09-18 15:05:06,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 15:05:06,305 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 15:05:06,306 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 15:05:06,306 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 15:05:06,308 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:05:06" (1/1) ... [2019-09-18 15:05:06,308 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 15:05:06,333 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 15:05:06,333 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 15:05:06,343 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 15:05:06,352 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 15:05:06,354 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 15:05:06,539 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 62 for LOIs [2019-09-18 15:05:06,626 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 60 for LOIs [2019-09-18 15:05:07,530 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 33 [2019-09-18 15:05:07,707 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 33 [2019-09-18 15:05:07,906 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-18 15:05:09,847 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-09-18 15:05:10,060 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-18 15:05:10,281 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2019-09-18 15:05:10,490 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-09-18 15:05:10,715 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-18 15:05:10,959 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2019-09-18 15:05:11,621 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2019-09-18 15:05:11,771 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-18 15:05:11,778 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 63 for LOIs [2019-09-18 15:05:12,084 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 74 [2019-09-18 15:05:12,191 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-18 15:05:12,514 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2019-09-18 15:05:12,914 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-09-18 15:05:13,131 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-18 15:05:13,368 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2019-09-18 15:05:13,614 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-09-18 15:05:13,793 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-09-18 15:05:14,007 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-18 15:05:14,183 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-18 15:05:14,394 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2019-09-18 15:05:14,693 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2019-09-18 15:05:14,740 INFO L199 IcfgInterpreter]: Interpreting procedure do_read_c with input of size 30 for LOIs [2019-09-18 15:05:14,862 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2019-09-18 15:05:14,991 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2019-09-18 15:05:15,132 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2019-09-18 15:05:15,317 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2019-09-18 15:05:15,557 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-18 15:05:16,065 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-18 15:05:16,397 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 1 for LOIs [2019-09-18 15:05:16,398 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 15:05:16,399 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 15:05:16,401 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1112#true [2019-09-18 15:05:16,413 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 15:05:16,413 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 15:05:16,414 INFO L168 Benchmark]: Toolchain (without parser) took 11116.44 ms. Allocated memory was 135.8 MB in the beginning and 350.7 MB in the end (delta: 215.0 MB). Free memory was 89.5 MB in the beginning and 253.3 MB in the end (delta: -163.9 MB). Peak memory consumption was 51.1 MB. Max. memory is 7.1 GB. [2019-09-18 15:05:16,415 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 135.8 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 15:05:16,416 INFO L168 Benchmark]: CACSL2BoogieTranslator took 385.71 ms. Allocated memory was 135.8 MB in the beginning and 201.3 MB in the end (delta: 65.5 MB). Free memory was 89.2 MB in the beginning and 177.7 MB in the end (delta: -88.5 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2019-09-18 15:05:16,417 INFO L168 Benchmark]: Boogie Preprocessor took 37.83 ms. Allocated memory is still 201.3 MB. Free memory was 177.7 MB in the beginning and 176.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-09-18 15:05:16,418 INFO L168 Benchmark]: RCFGBuilder took 581.78 ms. Allocated memory is still 201.3 MB. Free memory was 176.0 MB in the beginning and 144.7 MB in the end (delta: 31.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 7.1 GB. [2019-09-18 15:05:16,418 INFO L168 Benchmark]: Sifa took 10107.91 ms. Allocated memory was 201.3 MB in the beginning and 350.7 MB in the end (delta: 149.4 MB). Free memory was 144.7 MB in the beginning and 253.3 MB in the end (delta: -108.7 MB). Peak memory consumption was 40.8 MB. Max. memory is 7.1 GB. [2019-09-18 15:05:16,422 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 135.8 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 385.71 ms. Allocated memory was 135.8 MB in the beginning and 201.3 MB in the end (delta: 65.5 MB). Free memory was 89.2 MB in the beginning and 177.7 MB in the end (delta: -88.5 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.83 ms. Allocated memory is still 201.3 MB. Free memory was 177.7 MB in the beginning and 176.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 581.78 ms. Allocated memory is still 201.3 MB. Free memory was 176.0 MB in the beginning and 144.7 MB in the end (delta: 31.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 7.1 GB. * Sifa took 10107.91 ms. Allocated memory was 201.3 MB in the beginning and 350.7 MB in the end (delta: 149.4 MB). Free memory was 144.7 MB in the beginning and 253.3 MB in the end (delta: -108.7 MB). Peak memory consumption was 40.8 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]: 10068, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 718, DAG_INTERPRETER_EARLY_EXITS: 11, TOOLS_POST_APPLICATIONS: 608, TOOLS_POST_TIME[ms]: 143, TOOLS_POST_CALL_APPLICATIONS: 87, TOOLS_POST_CALL_TIME[ms]: 186, TOOLS_POST_RETURN_APPLICATIONS: 80, TOOLS_POST_RETURN_TIME[ms]: 80, TOOLS_QUANTIFIERELIM_APPLICATIONS: 764, TOOLS_QUANTIFIERELIM_TIME[ms]: 268, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 17, FLUID_QUERY_TIME[ms]: 17, FLUID_QUERIES: 735, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 141, DOMAIN_JOIN_TIME[ms]: 9190, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 26, DOMAIN_ISSUBSETEQ_APPLICATIONS: 17, DOMAIN_ISSUBSETEQ_TIME[ms]: 9, DOMAIN_ISBOTTOM_APPLICATIONS: 119, DOMAIN_ISBOTTOM_TIME[ms]: 221, LOOP_SUMMARIZER_APPLICATIONS: 16, LOOP_SUMMARIZER_CACHE_MISSES: 16, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6536, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6535, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 17, CALL_SUMMARIZER_APPLICATIONS: 80, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 4787, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4787, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 74, DAG_COMPRESSION_PROCESSED_NODES: 1040, DAG_COMPRESSION_RETAINED_NODES: 472 - UnprovableResult [Line: 9]: 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 1112#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...