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_QUICK -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:55:59,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:55:59,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:55:59,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:55:59,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:55:59,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:55:59,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:55:59,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:55:59,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:55:59,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:55:59,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:55:59,144 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:55:59,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:55:59,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:55:59,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:55:59,152 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:55:59,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:55:59,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:55:59,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:55:59,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:55:59,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:55:59,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:55:59,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:55:59,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:55:59,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:55:59,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:55:59,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:55:59,183 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:55:59,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:55:59,186 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:55:59,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:55:59,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:55:59,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:55:59,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:55:59,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:55:59,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:55:59,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:55:59,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:55:59,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:55:59,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:55:59,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:55:59,196 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 15:55:59,215 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:55:59,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:55:59,217 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:55:59,218 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:55:59,218 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:55:59,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:55:59,218 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:55:59,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:55:59,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:55:59,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:55:59,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:55:59,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:55:59,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:55:59,221 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:55:59,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:55:59,221 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:55:59,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:55:59,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:55:59,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:55:59,222 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:55:59,222 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:55:59,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:55:59,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:55:59,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:55:59,223 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:55:59,224 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:55:59,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:55:59,224 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:55:59,224 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_QUICK [2019-09-20 15:55:59,286 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:55:59,307 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:55:59,311 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:55:59,312 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:55:59,312 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:55:59,313 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c [2019-09-20 15:55:59,389 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cba24d174/d79cfa1d90b44c109104363c397463b9/FLAG200b9f7a4 [2019-09-20 15:55:59,878 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:55:59,882 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c [2019-09-20 15:55:59,896 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cba24d174/d79cfa1d90b44c109104363c397463b9/FLAG200b9f7a4 [2019-09-20 15:56:00,190 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cba24d174/d79cfa1d90b44c109104363c397463b9 [2019-09-20 15:56:00,203 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:56:00,204 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:56:00,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:56:00,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:56:00,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:56:00,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:56:00" (1/1) ... [2019-09-20 15:56:00,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e021c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:00, skipping insertion in model container [2019-09-20 15:56:00,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:56:00" (1/1) ... [2019-09-20 15:56:00,218 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:56:00,256 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:56:00,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:56:00,464 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:56:00,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:56:00,615 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:56:00,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:00 WrapperNode [2019-09-20 15:56:00,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:56:00,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:56:00,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:56:00,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:56:00,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:00" (1/1) ... [2019-09-20 15:56:00,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:00" (1/1) ... [2019-09-20 15:56:00,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:00" (1/1) ... [2019-09-20 15:56:00,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:00" (1/1) ... [2019-09-20 15:56:00,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:00" (1/1) ... [2019-09-20 15:56:00,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:00" (1/1) ... [2019-09-20 15:56:00,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:00" (1/1) ... [2019-09-20 15:56:00,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:56:00,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:56:00,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:56:00,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:56:00,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:00" (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 15:56:00,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:56:00,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:56:00,715 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 15:56:00,715 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-20 15:56:00,715 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-20 15:56:00,715 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-20 15:56:00,717 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-20 15:56:00,717 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-20 15:56:00,717 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 15:56:00,717 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 15:56:00,718 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 15:56:00,718 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 15:56:00,718 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 15:56:00,718 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 15:56:00,718 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:56:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:56:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:56:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 15:56:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-20 15:56:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-20 15:56:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-20 15:56:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-20 15:56:00,720 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-20 15:56:00,720 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 15:56:00,720 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 15:56:00,720 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 15:56:00,721 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 15:56:00,721 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 15:56:00,721 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 15:56:00,721 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:56:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:56:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:56:01,315 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:56:01,316 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 15:56:01,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:56:01 BoogieIcfgContainer [2019-09-20 15:56:01,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:56:01,318 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:56:01,318 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:56:01,319 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:56:01,320 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:56:01" (1/1) ... [2019-09-20 15:56:01,321 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:56:01,346 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:56:01,346 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:56:01,356 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:56:01,366 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:56:01,368 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:56:01,536 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 62 for LOIs [2019-09-20 15:56:01,625 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 60 for LOIs [2019-09-20 15:56:03,116 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 60 for LOIs [2019-09-20 15:56:04,681 INFO L199 IcfgInterpreter]: Interpreting procedure do_read_c with input of size 46 for LOIs [2019-09-20 15:56:04,850 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 3 for LOIs [2019-09-20 15:56:04,852 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:56:04,852 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:56:04,865 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1398#(= 0 ~p_dw_st~0) [2019-09-20 15:56:04,899 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:56:04,899 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:56:04,903 INFO L168 Benchmark]: Toolchain (without parser) took 4697.20 ms. Allocated memory was 133.2 MB in the beginning and 318.8 MB in the end (delta: 185.6 MB). Free memory was 87.6 MB in the beginning and 235.3 MB in the end (delta: -147.7 MB). Peak memory consumption was 37.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:56:04,905 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 133.2 MB. Free memory is still 107.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 15:56:04,906 INFO L168 Benchmark]: CACSL2BoogieTranslator took 411.67 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 87.2 MB in the beginning and 174.9 MB in the end (delta: -87.7 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:56:04,907 INFO L168 Benchmark]: Boogie Preprocessor took 43.03 ms. Allocated memory is still 199.8 MB. Free memory was 174.9 MB in the beginning and 173.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:56:04,908 INFO L168 Benchmark]: RCFGBuilder took 657.17 ms. Allocated memory is still 199.8 MB. Free memory was 173.2 MB in the beginning and 135.6 MB in the end (delta: 37.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:56:04,912 INFO L168 Benchmark]: Sifa took 3581.50 ms. Allocated memory was 199.8 MB in the beginning and 318.8 MB in the end (delta: 119.0 MB). Free memory was 135.6 MB in the beginning and 235.3 MB in the end (delta: -99.7 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:56:04,919 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 133.2 MB. Free memory is still 107.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 411.67 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 87.2 MB in the beginning and 174.9 MB in the end (delta: -87.7 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.03 ms. Allocated memory is still 199.8 MB. Free memory was 174.9 MB in the beginning and 173.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 657.17 ms. Allocated memory is still 199.8 MB. Free memory was 173.2 MB in the beginning and 135.6 MB in the end (delta: 37.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 7.1 GB. * Sifa took 3581.50 ms. Allocated memory was 199.8 MB in the beginning and 318.8 MB in the end (delta: 119.0 MB). Free memory was 135.6 MB in the beginning and 235.3 MB in the end (delta: -99.7 MB). Peak memory consumption was 19.3 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]: 3525, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 925, DAG_INTERPRETER_EARLY_EXITS: 41, TOOLS_POST_APPLICATIONS: 643, TOOLS_POST_TIME[ms]: 341, TOOLS_POST_CALL_APPLICATIONS: 188, TOOLS_POST_CALL_TIME[ms]: 458, TOOLS_POST_RETURN_APPLICATIONS: 181, TOOLS_POST_RETURN_TIME[ms]: 209, TOOLS_QUANTIFIERELIM_APPLICATIONS: 941, TOOLS_QUANTIFIERELIM_TIME[ms]: 737, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 19, FLUID_QUERY_TIME[ms]: 33, FLUID_QUERIES: 1006, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 181, DOMAIN_JOIN_TIME[ms]: 1863, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 67, DOMAIN_ISSUBSETEQ_APPLICATIONS: 81, DOMAIN_ISSUBSETEQ_TIME[ms]: 23, DOMAIN_ISBOTTOM_APPLICATIONS: 153, DOMAIN_ISBOTTOM_TIME[ms]: 301, LOOP_SUMMARIZER_APPLICATIONS: 80, LOOP_SUMMARIZER_CACHE_MISSES: 79, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2496, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2494, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 81, CALL_SUMMARIZER_APPLICATIONS: 181, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1535, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1534, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 64, DAG_COMPRESSION_PROCESSED_NODES: 853, DAG_COMPRESSION_RETAINED_NODES: 352 - 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 1398#(= 0 ~p_dw_st~0). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...