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.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 2 --sifa.sizelimitfluid.max.disjunctions 4 -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:12:12,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:12:12,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:12:13,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:12:13,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:12:13,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:12:13,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:12:13,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:12:13,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:12:13,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:12:13,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:12:13,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:12:13,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:12:13,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:12:13,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:12:13,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:12:13,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:12:13,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:12:13,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:12:13,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:12:13,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:12:13,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:12:13,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:12:13,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:12:13,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:12:13,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:12:13,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:12:13,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:12:13,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:12:13,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:12:13,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:12:13,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:12:13,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:12:13,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:12:13,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:12:13,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:12:13,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:12:13,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:12:13,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:12:13,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:12:13,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:12:13,035 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 [2019-09-25 17:12:13,049 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:12:13,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:12:13,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:12:13,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:12:13,051 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:12:13,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:12:13,052 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:12:13,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:12:13,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:12:13,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:12:13,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:12:13,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:12:13,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:12:13,053 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:12:13,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:12:13,053 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:12:13,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:12:13,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:12:13,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:12:13,054 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:12:13,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:12:13,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:12:13,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:12:13,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:12:13,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:12:13,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:12:13,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:12:13,056 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:12:13,056 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 4 [2019-09-25 17:12:13,088 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:12:13,100 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:12:13,103 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:12:13,105 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:12:13,105 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:12:13,106 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c [2019-09-25 17:12:13,164 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30017bda0/292e6a6655f14bcd8122b4189e465521/FLAG9d3d201d4 [2019-09-25 17:12:13,559 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:12:13,559 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c [2019-09-25 17:12:13,568 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30017bda0/292e6a6655f14bcd8122b4189e465521/FLAG9d3d201d4 [2019-09-25 17:12:13,929 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30017bda0/292e6a6655f14bcd8122b4189e465521 [2019-09-25 17:12:13,937 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:12:13,938 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:12:13,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:12:13,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:12:13,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:12:13,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:12:13" (1/1) ... [2019-09-25 17:12:13,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6213db0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:13, skipping insertion in model container [2019-09-25 17:12:13,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:12:13" (1/1) ... [2019-09-25 17:12:13,954 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:12:13,995 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:12:14,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:12:14,298 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:12:14,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:12:14,449 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:12:14,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:14 WrapperNode [2019-09-25 17:12:14,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:12:14,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:12:14,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:12:14,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:12:14,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:14" (1/1) ... [2019-09-25 17:12:14,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:14" (1/1) ... [2019-09-25 17:12:14,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:14" (1/1) ... [2019-09-25 17:12:14,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:14" (1/1) ... [2019-09-25 17:12:14,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:14" (1/1) ... [2019-09-25 17:12:14,486 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:14" (1/1) ... [2019-09-25 17:12:14,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:14" (1/1) ... [2019-09-25 17:12:14,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:12:14,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:12:14,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:12:14,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:12:14,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:14" (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 [2019-09-25 17:12:14,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:12:14,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:12:14,560 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-25 17:12:14,560 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-25 17:12:14,560 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-25 17:12:14,561 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-25 17:12:14,561 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-25 17:12:14,561 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-25 17:12:14,561 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-25 17:12:14,561 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-25 17:12:14,561 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-25 17:12:14,562 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-25 17:12:14,562 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-25 17:12:14,562 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-25 17:12:14,562 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:12:14,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:12:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:12:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-25 17:12:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-25 17:12:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-25 17:12:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-25 17:12:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-25 17:12:14,564 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-25 17:12:14,564 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-25 17:12:14,564 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-25 17:12:14,564 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-25 17:12:14,564 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-25 17:12:14,564 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-25 17:12:14,565 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-25 17:12:14,565 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:12:14,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:12:14,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:12:15,149 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:12:15,150 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-25 17:12:15,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:12:15 BoogieIcfgContainer [2019-09-25 17:12:15,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:12:15,152 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:12:15,152 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:12:15,152 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:12:15,153 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:12:15" (1/1) ... [2019-09-25 17:12:15,154 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=4 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:12:15,177 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:12:15,178 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:12:15,187 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:12:15,196 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:12:15,198 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:12:15,342 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 62 for LOIs [2019-09-25 17:12:15,409 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 60 for LOIs [2019-09-25 17:12:17,582 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 45 for LOIs [2019-09-25 17:12:18,580 INFO L199 IcfgInterpreter]: Interpreting procedure do_read_c with input of size 42 for LOIs [2019-09-25 17:12:18,652 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 16 for LOIs [2019-09-25 17:12:18,654 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:12:18,654 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:12:18,667 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2836#(or (and (= ~q_read_ev~0 2) (= ~q_free~0 1) (= ~p_dw_i~0 1) (= ~c_dr_i~0 1)) (and (= ~p_dw_st~0 0) (= ~p_dw_i~0 1) (= ~c_dr_i~0 1))) [2019-09-25 17:12:18,687 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:12:18,688 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:12:18,691 INFO L168 Benchmark]: Toolchain (without parser) took 4750.73 ms. Allocated memory was 136.3 MB in the beginning and 353.9 MB in the end (delta: 217.6 MB). Free memory was 83.2 MB in the beginning and 246.2 MB in the end (delta: -163.0 MB). Peak memory consumption was 54.6 MB. Max. memory is 7.1 GB. [2019-09-25 17:12:18,693 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 136.3 MB. Free memory was 102.3 MB in the beginning and 102.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:12:18,694 INFO L168 Benchmark]: CACSL2BoogieTranslator took 510.89 ms. Allocated memory was 136.3 MB in the beginning and 197.7 MB in the end (delta: 61.3 MB). Free memory was 83.0 MB in the beginning and 174.6 MB in the end (delta: -91.6 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-09-25 17:12:18,696 INFO L168 Benchmark]: Boogie Preprocessor took 48.92 ms. Allocated memory is still 197.7 MB. Free memory was 174.6 MB in the beginning and 172.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-09-25 17:12:18,697 INFO L168 Benchmark]: RCFGBuilder took 651.49 ms. Allocated memory is still 197.7 MB. Free memory was 172.6 MB in the beginning and 135.2 MB in the end (delta: 37.4 MB). Peak memory consumption was 37.4 MB. Max. memory is 7.1 GB. [2019-09-25 17:12:18,702 INFO L168 Benchmark]: Sifa took 3536.26 ms. Allocated memory was 197.7 MB in the beginning and 353.9 MB in the end (delta: 156.2 MB). Free memory was 135.2 MB in the beginning and 246.2 MB in the end (delta: -111.0 MB). Peak memory consumption was 45.3 MB. Max. memory is 7.1 GB. [2019-09-25 17:12:18,714 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 136.3 MB. Free memory was 102.3 MB in the beginning and 102.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 510.89 ms. Allocated memory was 136.3 MB in the beginning and 197.7 MB in the end (delta: 61.3 MB). Free memory was 83.0 MB in the beginning and 174.6 MB in the end (delta: -91.6 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.92 ms. Allocated memory is still 197.7 MB. Free memory was 174.6 MB in the beginning and 172.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 651.49 ms. Allocated memory is still 197.7 MB. Free memory was 172.6 MB in the beginning and 135.2 MB in the end (delta: 37.4 MB). Peak memory consumption was 37.4 MB. Max. memory is 7.1 GB. * Sifa took 3536.26 ms. Allocated memory was 197.7 MB in the beginning and 353.9 MB in the end (delta: 156.2 MB). Free memory was 135.2 MB in the beginning and 246.2 MB in the end (delta: -111.0 MB). Peak memory consumption was 45.3 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]: 3490, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1639, DAG_INTERPRETER_EARLY_EXITS: 10, TOOLS_POST_APPLICATIONS: 1155, TOOLS_POST_TIME[ms]: 348, TOOLS_POST_CALL_APPLICATIONS: 348, TOOLS_POST_CALL_TIME[ms]: 427, TOOLS_POST_RETURN_APPLICATIONS: 341, TOOLS_POST_RETURN_TIME[ms]: 180, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1817, TOOLS_QUANTIFIERELIM_TIME[ms]: 640, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 16, FLUID_QUERY_TIME[ms]: 32, FLUID_QUERIES: 1762, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 361, DOMAIN_JOIN_TIME[ms]: 1682, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 7, DOMAIN_WIDEN_APPLICATIONS: 8, DOMAIN_WIDEN_TIME[ms]: 29, DOMAIN_ISSUBSETEQ_APPLICATIONS: 123, DOMAIN_ISSUBSETEQ_TIME[ms]: 143, DOMAIN_ISBOTTOM_APPLICATIONS: 227, DOMAIN_ISBOTTOM_TIME[ms]: 360, LOOP_SUMMARIZER_APPLICATIONS: 115, LOOP_SUMMARIZER_CACHE_MISSES: 115, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2782, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2778, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 123, CALL_SUMMARIZER_APPLICATIONS: 341, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 2214, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2213, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 73, 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 2836#(or (and (= ~q_read_ev~0 2) (= ~q_free~0 1) (= ~p_dw_i~0 1) (= ~c_dr_i~0 1)) (and (= ~p_dw_st~0 0) (= ~p_dw_i~0 1) (= ~c_dr_i~0 1))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...