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-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:12:13,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:12:13,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:12:13,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:12:13,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:12:13,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:12:13,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:12:13,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:12:13,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:12:13,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:12:13,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:12:13,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:12:13,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:12:13,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:12:13,795 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:12:13,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:12:13,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:12:13,802 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:12:13,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:12:13,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:12:13,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:12:13,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:12:13,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:12:13,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:12:13,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:12:13,822 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:12:13,822 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:12:13,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:12:13,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:12:13,828 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:12:13,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:12:13,830 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:12:13,830 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:12:13,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:12:13,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:12:13,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:12:13,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:12:13,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:12:13,837 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:12:13,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:12:13,839 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:12:13,840 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 17:12:13,861 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:12:13,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:12:13,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:12:13,865 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:12:13,865 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:12:13,865 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:12:13,866 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:12:13,866 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:12:13,866 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:12:13,866 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:12:13,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:12:13,867 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:12:13,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:12:13,868 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:12:13,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:12:13,869 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:12:13,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:12:13,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:12:13,869 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:12:13,869 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:12:13,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:12:13,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:12:13,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:12:13,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:12:13,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:12:13,871 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:12:13,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:12:13,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:12:13,871 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 17:12:13,930 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:12:13,946 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:12:13,950 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:12:13,951 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:12:13,952 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:12:13,952 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-2.c [2019-09-25 17:12:14,023 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c97b55c33/d9f994e9cdc74932b0a65fa5d132bd77/FLAG640010111 [2019-09-25 17:12:14,443 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:12:14,444 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_1.cil-2.c [2019-09-25 17:12:14,453 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c97b55c33/d9f994e9cdc74932b0a65fa5d132bd77/FLAG640010111 [2019-09-25 17:12:14,876 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c97b55c33/d9f994e9cdc74932b0a65fa5d132bd77 [2019-09-25 17:12:14,886 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:12:14,888 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:12:14,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:12:14,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:12:14,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:12:14,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:12:14" (1/1) ... [2019-09-25 17:12:14,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3de0b607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:14, skipping insertion in model container [2019-09-25 17:12:14,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:12:14" (1/1) ... [2019-09-25 17:12:14,903 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:12:14,936 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:12:15,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:12:15,241 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:12:15,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:12:15,406 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:12:15,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:15 WrapperNode [2019-09-25 17:12:15,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:12:15,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:12:15,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:12:15,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:12:15,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:15" (1/1) ... [2019-09-25 17:12:15,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:15" (1/1) ... [2019-09-25 17:12:15,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:15" (1/1) ... [2019-09-25 17:12:15,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:15" (1/1) ... [2019-09-25 17:12:15,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:15" (1/1) ... [2019-09-25 17:12:15,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:15" (1/1) ... [2019-09-25 17:12:15,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:15" (1/1) ... [2019-09-25 17:12:15,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:12:15,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:12:15,447 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:12:15,447 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:12:15,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:15" (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 17:12:15,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:12:15,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:12:15,515 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-25 17:12:15,515 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-25 17:12:15,515 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-25 17:12:15,516 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-25 17:12:15,516 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-25 17:12:15,516 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-25 17:12:15,516 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-25 17:12:15,516 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-25 17:12:15,517 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-25 17:12:15,517 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-25 17:12:15,517 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-25 17:12:15,517 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-25 17:12:15,517 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:12:15,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:12:15,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:12:15,518 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-25 17:12:15,518 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-25 17:12:15,518 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-25 17:12:15,518 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-25 17:12:15,518 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-25 17:12:15,519 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-25 17:12:15,519 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-25 17:12:15,519 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-25 17:12:15,519 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-25 17:12:15,519 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-25 17:12:15,519 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-25 17:12:15,520 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-25 17:12:15,520 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:12:15,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:12:15,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:12:16,116 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:12:16,116 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-25 17:12:16,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:12:16 BoogieIcfgContainer [2019-09-25 17:12:16,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:12:16,118 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:12:16,119 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:12:16,119 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:12:16,120 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:12:16" (1/1) ... [2019-09-25 17:12:16,121 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 17:12:16,150 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:12:16,150 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:12:16,164 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:12:16,174 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:12:16,175 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:12:16,342 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 62 for LOIs [2019-09-25 17:12:16,382 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 60 for LOIs [2019-09-25 17:12:17,903 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 45 for LOIs [2019-09-25 17:12:18,182 INFO L199 IcfgInterpreter]: Interpreting procedure do_read_c with input of size 31 for LOIs [2019-09-25 17:12:18,254 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 21 for LOIs [2019-09-25 17:12:18,256 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:12:18,257 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:12:18,259 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1589#(or (and (= ~q_read_ev~0 2) (= ~q_free~0 1) (not (= ~c_num_read~0 ~p_num_write~0)) (= ~p_dw_i~0 1) (= ~c_dr_i~0 1)) (and (= ~q_read_ev~0 2) (= ~q_free~0 1) (= ~p_dw_i~0 1) (= ~c_dr_i~0 1) (not (= ~c_last_read~0 ~p_last_write~0)))) [2019-09-25 17:12:18,273 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:12:18,274 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:12:18,277 INFO L168 Benchmark]: Toolchain (without parser) took 3387.77 ms. Allocated memory was 130.0 MB in the beginning and 275.8 MB in the end (delta: 145.8 MB). Free memory was 84.9 MB in the beginning and 136.8 MB in the end (delta: -51.9 MB). Peak memory consumption was 93.9 MB. Max. memory is 7.1 GB. [2019-09-25 17:12:18,278 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 130.0 MB. Free memory was 104.3 MB in the beginning and 104.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:12:18,280 INFO L168 Benchmark]: CACSL2BoogieTranslator took 518.84 ms. Allocated memory was 130.0 MB in the beginning and 197.1 MB in the end (delta: 67.1 MB). Free memory was 84.7 MB in the beginning and 172.6 MB in the end (delta: -87.8 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-25 17:12:18,281 INFO L168 Benchmark]: Boogie Preprocessor took 38.66 ms. Allocated memory is still 197.1 MB. Free memory was 172.6 MB in the beginning and 170.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-09-25 17:12:18,282 INFO L168 Benchmark]: RCFGBuilder took 671.65 ms. Allocated memory is still 197.1 MB. Free memory was 170.5 MB in the beginning and 133.3 MB in the end (delta: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 7.1 GB. [2019-09-25 17:12:18,283 INFO L168 Benchmark]: Sifa took 2155.35 ms. Allocated memory was 197.1 MB in the beginning and 275.8 MB in the end (delta: 78.6 MB). Free memory was 133.3 MB in the beginning and 136.8 MB in the end (delta: -3.5 MB). Peak memory consumption was 75.2 MB. Max. memory is 7.1 GB. [2019-09-25 17:12:18,287 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 130.0 MB. Free memory was 104.3 MB in the beginning and 104.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 518.84 ms. Allocated memory was 130.0 MB in the beginning and 197.1 MB in the end (delta: 67.1 MB). Free memory was 84.7 MB in the beginning and 172.6 MB in the end (delta: -87.8 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.66 ms. Allocated memory is still 197.1 MB. Free memory was 172.6 MB in the beginning and 170.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 671.65 ms. Allocated memory is still 197.1 MB. Free memory was 170.5 MB in the beginning and 133.3 MB in the end (delta: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 7.1 GB. * Sifa took 2155.35 ms. Allocated memory was 197.1 MB in the beginning and 275.8 MB in the end (delta: 78.6 MB). Free memory was 133.3 MB in the beginning and 136.8 MB in the end (delta: -3.5 MB). Peak memory consumption was 75.2 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]: 2110, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 892, DAG_INTERPRETER_EARLY_EXITS: 6, TOOLS_POST_APPLICATIONS: 677, TOOLS_POST_TIME[ms]: 224, TOOLS_POST_CALL_APPLICATIONS: 145, TOOLS_POST_CALL_TIME[ms]: 211, TOOLS_POST_RETURN_APPLICATIONS: 139, TOOLS_POST_RETURN_TIME[ms]: 97, TOOLS_QUANTIFIERELIM_APPLICATIONS: 938, TOOLS_QUANTIFIERELIM_TIME[ms]: 357, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 18, FLUID_QUERY_TIME[ms]: 20, FLUID_QUERIES: 963, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 217, DOMAIN_JOIN_TIME[ms]: 1034, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 7, DOMAIN_WIDEN_APPLICATIONS: 12, DOMAIN_WIDEN_TIME[ms]: 43, DOMAIN_ISSUBSETEQ_APPLICATIONS: 71, DOMAIN_ISSUBSETEQ_TIME[ms]: 75, DOMAIN_ISBOTTOM_APPLICATIONS: 127, DOMAIN_ISBOTTOM_TIME[ms]: 169, LOOP_SUMMARIZER_APPLICATIONS: 59, LOOP_SUMMARIZER_CACHE_MISSES: 59, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1421, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1420, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 71, CALL_SUMMARIZER_APPLICATIONS: 139, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1553, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1552, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 67, 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 1589#(or (and (= ~q_read_ev~0 2) (= ~q_free~0 1) (not (= ~c_num_read~0 ~p_num_write~0)) (= ~p_dw_i~0 1) (= ~c_dr_i~0 1)) (and (= ~q_read_ev~0 2) (= ~q_free~0 1) (= ~p_dw_i~0 1) (= ~c_dr_i~0 1) (not (= ~c_last_read~0 ~p_last_write~0)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...