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 4 --sifa.sizelimitfluid.max.disjunctions 16 -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:54:07,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:54:07,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:54:07,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:54:07,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:54:07,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:54:07,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:54:07,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:54:07,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:54:07,849 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:54:07,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:54:07,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:54:07,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:54:07,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:54:07,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:54:07,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:54:07,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:54:07,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:54:07,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:54:07,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:54:07,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:54:07,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:54:07,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:54:07,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:54:07,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:54:07,865 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:54:07,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:54:07,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:54:07,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:54:07,868 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:54:07,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:54:07,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:54:07,870 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:54:07,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:54:07,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:54:07,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:54:07,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:54:07,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:54:07,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:54:07,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:54:07,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:54:07,875 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 17:54:07,889 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:54:07,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:54:07,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:54:07,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:54:07,891 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:54:07,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:54:07,891 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:54:07,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:54:07,892 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:54:07,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:54:07,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:54:07,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:54:07,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:54:07,893 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:54:07,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:54:07,893 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:54:07,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:54:07,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:54:07,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:54:07,894 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:54:07,894 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:54:07,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:54:07,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:54:07,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:54:07,895 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:54:07,895 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:54:07,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:54:07,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:54:07,896 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 -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 16 [2019-09-25 17:54:07,927 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:54:07,946 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:54:07,950 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:54:07,952 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:54:07,952 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:54:07,953 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-2.c [2019-09-25 17:54:08,029 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53ea592a5/220eb250187946c6aa4b7c7ca5665234/FLAGc32d11b7f [2019-09-25 17:54:08,512 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:54:08,513 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_1.cil-2.c [2019-09-25 17:54:08,521 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53ea592a5/220eb250187946c6aa4b7c7ca5665234/FLAGc32d11b7f [2019-09-25 17:54:08,904 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53ea592a5/220eb250187946c6aa4b7c7ca5665234 [2019-09-25 17:54:08,913 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:54:08,915 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:54:08,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:54:08,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:54:08,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:54:08,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:54:08" (1/1) ... [2019-09-25 17:54:08,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e611eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:54:08, skipping insertion in model container [2019-09-25 17:54:08,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:54:08" (1/1) ... [2019-09-25 17:54:08,931 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:54:08,958 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:54:09,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:54:09,169 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:54:09,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:54:09,315 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:54:09,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:54:09 WrapperNode [2019-09-25 17:54:09,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:54:09,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:54:09,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:54:09,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:54:09,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:54:09" (1/1) ... [2019-09-25 17:54:09,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:54:09" (1/1) ... [2019-09-25 17:54:09,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:54:09" (1/1) ... [2019-09-25 17:54:09,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:54:09" (1/1) ... [2019-09-25 17:54:09,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:54:09" (1/1) ... [2019-09-25 17:54:09,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:54:09" (1/1) ... [2019-09-25 17:54:09,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:54:09" (1/1) ... [2019-09-25 17:54:09,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:54:09,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:54:09,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:54:09,371 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:54:09,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:54:09" (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 17:54:09,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:54:09,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:54:09,424 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-25 17:54:09,424 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-25 17:54:09,425 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-25 17:54:09,426 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-25 17:54:09,426 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-25 17:54:09,426 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-25 17:54:09,426 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-25 17:54:09,426 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-25 17:54:09,426 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-25 17:54:09,426 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-25 17:54:09,427 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-25 17:54:09,427 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-25 17:54:09,427 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:54:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:54:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:54:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-25 17:54:09,428 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-25 17:54:09,428 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-25 17:54:09,428 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-25 17:54:09,428 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-25 17:54:09,428 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-25 17:54:09,428 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-25 17:54:09,429 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-25 17:54:09,429 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-25 17:54:09,429 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-25 17:54:09,429 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-25 17:54:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-25 17:54:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:54:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:54:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:54:10,021 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:54:10,022 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-25 17:54:10,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:54:10 BoogieIcfgContainer [2019-09-25 17:54:10,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:54:10,024 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:54:10,024 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:54:10,024 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:54:10,025 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:54:10" (1/1) ... [2019-09-25 17:54:10,026 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=4 ♦ 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=16 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:54:10,048 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:54:10,048 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:54:10,057 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:54:10,065 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:54:10,067 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:54:10,212 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 62 for LOIs [2019-09-25 17:54:10,252 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 60 for LOIs [2019-09-25 17:54:12,336 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 63 for LOIs [2019-09-25 17:54:12,854 INFO L199 IcfgInterpreter]: Interpreting procedure do_read_c with input of size 31 for LOIs [2019-09-25 17:54:12,966 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 23 for LOIs [2019-09-25 17:54:12,968 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:54:12,969 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:54:12,981 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1954#(or (and (= ~q_read_ev~0 2) (= 1 ~q_free~0) (= ~c_last_read~0 ~q_buf_0~0) (= ~p_dw_i~0 1) (= ~c_dr_i~0 1) (not (= ~c_last_read~0 ~p_last_write~0))) (and (= ~q_read_ev~0 2) (not (= ~c_num_read~0 ~p_num_write~0)) (= 1 ~q_free~0) (= ~c_last_read~0 ~q_buf_0~0) (= ~p_dw_i~0 1) (= ~c_dr_i~0 1))) [2019-09-25 17:54:13,007 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:54:13,007 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:54:13,011 INFO L168 Benchmark]: Toolchain (without parser) took 4094.27 ms. Allocated memory was 137.9 MB in the beginning and 345.0 MB in the end (delta: 207.1 MB). Free memory was 85.0 MB in the beginning and 276.4 MB in the end (delta: -191.4 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-09-25 17:54:13,013 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:54:13,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 399.73 ms. Allocated memory was 137.9 MB in the beginning and 197.1 MB in the end (delta: 59.2 MB). Free memory was 84.6 MB in the beginning and 174.3 MB in the end (delta: -89.7 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-09-25 17:54:13,015 INFO L168 Benchmark]: Boogie Preprocessor took 54.15 ms. Allocated memory is still 197.1 MB. Free memory was 174.3 MB in the beginning and 172.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-25 17:54:13,016 INFO L168 Benchmark]: RCFGBuilder took 652.94 ms. Allocated memory is still 197.1 MB. Free memory was 172.0 MB in the beginning and 135.0 MB in the end (delta: 37.0 MB). Peak memory consumption was 37.0 MB. Max. memory is 7.1 GB. [2019-09-25 17:54:13,022 INFO L168 Benchmark]: Sifa took 2983.52 ms. Allocated memory was 197.1 MB in the beginning and 345.0 MB in the end (delta: 147.8 MB). Free memory was 135.0 MB in the beginning and 276.4 MB in the end (delta: -141.5 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB. [2019-09-25 17:54:13,029 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 399.73 ms. Allocated memory was 137.9 MB in the beginning and 197.1 MB in the end (delta: 59.2 MB). Free memory was 84.6 MB in the beginning and 174.3 MB in the end (delta: -89.7 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 54.15 ms. Allocated memory is still 197.1 MB. Free memory was 174.3 MB in the beginning and 172.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 652.94 ms. Allocated memory is still 197.1 MB. Free memory was 172.0 MB in the beginning and 135.0 MB in the end (delta: 37.0 MB). Peak memory consumption was 37.0 MB. Max. memory is 7.1 GB. * Sifa took 2983.52 ms. Allocated memory was 197.1 MB in the beginning and 345.0 MB in the end (delta: 147.8 MB). Free memory was 135.0 MB in the beginning and 276.4 MB in the end (delta: -141.5 MB). Peak memory consumption was 6.4 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]: 2933, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1039, DAG_INTERPRETER_EARLY_EXITS: 36, TOOLS_POST_APPLICATIONS: 782, TOOLS_POST_TIME[ms]: 310, TOOLS_POST_CALL_APPLICATIONS: 169, TOOLS_POST_CALL_TIME[ms]: 289, TOOLS_POST_RETURN_APPLICATIONS: 163, TOOLS_POST_RETURN_TIME[ms]: 179, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1091, TOOLS_QUANTIFIERELIM_TIME[ms]: 570, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 21, FLUID_QUERIES: 1141, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 229, DOMAIN_JOIN_TIME[ms]: 1290, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 28, DOMAIN_WIDEN_TIME[ms]: 225, DOMAIN_ISSUBSETEQ_APPLICATIONS: 102, DOMAIN_ISSUBSETEQ_TIME[ms]: 105, DOMAIN_ISBOTTOM_APPLICATIONS: 168, DOMAIN_ISBOTTOM_TIME[ms]: 300, LOOP_SUMMARIZER_APPLICATIONS: 74, LOOP_SUMMARIZER_CACHE_MISSES: 74, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2183, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2182, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 102, CALL_SUMMARIZER_APPLICATIONS: 163, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 2124, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2123, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 64, DAG_COMPRESSION_PROCESSED_NODES: 709, DAG_COMPRESSION_RETAINED_NODES: 320 - 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 1954#(or (and (= ~q_read_ev~0 2) (= 1 ~q_free~0) (= ~c_last_read~0 ~q_buf_0~0) (= ~p_dw_i~0 1) (= ~c_dr_i~0 1) (not (= ~c_last_read~0 ~p_last_write~0))) (and (= ~q_read_ev~0 2) (not (= ~c_num_read~0 ~p_num_write~0)) (= 1 ~q_free~0) (= ~c_last_read~0 ~q_buf_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...