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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/systemc/bist_cell.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 07:07:55,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 07:07:55,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 07:07:55,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 07:07:55,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 07:07:55,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 07:07:55,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 07:07:55,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 07:07:55,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 07:07:55,147 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 07:07:55,148 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 07:07:55,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 07:07:55,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 07:07:55,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 07:07:55,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 07:07:55,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 07:07:55,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 07:07:55,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 07:07:55,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 07:07:55,164 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 07:07:55,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 07:07:55,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 07:07:55,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 07:07:55,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 07:07:55,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 07:07:55,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 07:07:55,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 07:07:55,179 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 07:07:55,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 07:07:55,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 07:07:55,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 07:07:55,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 07:07:55,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 07:07:55,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 07:07:55,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 07:07:55,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 07:07:55,188 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 07:07:55,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 07:07:55,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 07:07:55,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 07:07:55,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 07:07:55,191 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 [2019-10-15 07:07:55,225 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 07:07:55,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 07:07:55,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 07:07:55,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 07:07:55,229 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 07:07:55,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 07:07:55,229 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 07:07:55,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 07:07:55,230 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 07:07:55,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 07:07:55,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 07:07:55,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 07:07:55,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 07:07:55,231 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 07:07:55,231 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 07:07:55,231 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 07:07:55,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 07:07:55,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 07:07:55,233 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 07:07:55,234 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 07:07:55,234 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 07:07:55,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 07:07:55,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 07:07:55,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 07:07:55,235 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 07:07:55,235 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 07:07:55,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 07:07:55,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 07:07:55,235 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 07:07:55,551 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 07:07:55,574 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 07:07:55,577 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 07:07:55,579 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 07:07:55,579 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 07:07:55,580 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/bist_cell.cil.c [2019-10-15 07:07:55,644 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e462f233e/0cea63cbb8a1415288d8f483f8789324/FLAGb0137e60f [2019-10-15 07:07:56,059 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 07:07:56,060 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/bist_cell.cil.c [2019-10-15 07:07:56,074 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e462f233e/0cea63cbb8a1415288d8f483f8789324/FLAGb0137e60f [2019-10-15 07:07:56,412 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e462f233e/0cea63cbb8a1415288d8f483f8789324 [2019-10-15 07:07:56,422 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 07:07:56,424 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 07:07:56,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 07:07:56,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 07:07:56,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 07:07:56,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:07:56" (1/1) ... [2019-10-15 07:07:56,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9fb768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:07:56, skipping insertion in model container [2019-10-15 07:07:56,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:07:56" (1/1) ... [2019-10-15 07:07:56,444 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 07:07:56,500 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 07:07:56,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 07:07:56,763 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 07:07:56,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 07:07:56,919 INFO L192 MainTranslator]: Completed translation [2019-10-15 07:07:56,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:07:56 WrapperNode [2019-10-15 07:07:56,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 07:07:56,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 07:07:56,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 07:07:56,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 07:07:56,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:07:56" (1/1) ... [2019-10-15 07:07:56,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:07:56" (1/1) ... [2019-10-15 07:07:56,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:07:56" (1/1) ... [2019-10-15 07:07:56,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:07:56" (1/1) ... [2019-10-15 07:07:56,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:07:56" (1/1) ... [2019-10-15 07:07:56,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:07:56" (1/1) ... [2019-10-15 07:07:56,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:07:56" (1/1) ... [2019-10-15 07:07:56,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 07:07:56,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 07:07:56,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 07:07:56,973 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 07:07:56,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:07:56" (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 [2019-10-15 07:07:57,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 07:07:57,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 07:07:57,024 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-10-15 07:07:57,024 INFO L138 BoogieDeclarations]: Found implementation of procedure method1 [2019-10-15 07:07:57,024 INFO L138 BoogieDeclarations]: Found implementation of procedure is_method1_triggered [2019-10-15 07:07:57,025 INFO L138 BoogieDeclarations]: Found implementation of procedure update_b0 [2019-10-15 07:07:57,025 INFO L138 BoogieDeclarations]: Found implementation of procedure update_b1 [2019-10-15 07:07:57,025 INFO L138 BoogieDeclarations]: Found implementation of procedure update_d0 [2019-10-15 07:07:57,025 INFO L138 BoogieDeclarations]: Found implementation of procedure update_d1 [2019-10-15 07:07:57,025 INFO L138 BoogieDeclarations]: Found implementation of procedure update_z [2019-10-15 07:07:57,026 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-10-15 07:07:57,026 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-10-15 07:07:57,026 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-10-15 07:07:57,026 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-10-15 07:07:57,026 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-10-15 07:07:57,026 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-10-15 07:07:57,027 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-10-15 07:07:57,027 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-10-15 07:07:57,027 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-10-15 07:07:57,027 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-10-15 07:07:57,027 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 07:07:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 07:07:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 07:07:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-10-15 07:07:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure method1 [2019-10-15 07:07:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure is_method1_triggered [2019-10-15 07:07:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure update_b0 [2019-10-15 07:07:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure update_b1 [2019-10-15 07:07:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure update_d0 [2019-10-15 07:07:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure update_d1 [2019-10-15 07:07:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure update_z [2019-10-15 07:07:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-10-15 07:07:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-10-15 07:07:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-10-15 07:07:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-10-15 07:07:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-10-15 07:07:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-10-15 07:07:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-10-15 07:07:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-10-15 07:07:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-10-15 07:07:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-10-15 07:07:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 07:07:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 07:07:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 07:07:57,965 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 07:07:57,966 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-15 07:07:57,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:07:57 BoogieIcfgContainer [2019-10-15 07:07:57,967 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 07:07:57,968 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 07:07:57,968 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 07:07:57,968 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 07:07:57,969 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:07:57" (1/1) ... [2019-10-15 07:07:57,970 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ 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=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-15 07:07:57,993 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 07:07:57,994 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 07:07:58,001 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 07:07:58,009 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 07:07:58,010 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 07:07:58,347 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 118 for LOIs [2019-10-15 07:07:59,022 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 26 for LOIs [2019-10-15 07:07:59,031 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 07:07:59,044 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 07:07:59,045 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 07:07:59,048 INFO L168 Benchmark]: Toolchain (without parser) took 2623.09 ms. Allocated memory was 138.4 MB in the beginning and 235.4 MB in the end (delta: 97.0 MB). Free memory was 102.8 MB in the beginning and 116.3 MB in the end (delta: -13.6 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. [2019-10-15 07:07:59,050 INFO L168 Benchmark]: CDTParser took 1.08 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 07:07:59,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 491.53 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 102.5 MB in the beginning and 179.2 MB in the end (delta: -76.7 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2019-10-15 07:07:59,053 INFO L168 Benchmark]: Boogie Preprocessor took 47.07 ms. Allocated memory is still 202.4 MB. Free memory was 179.2 MB in the beginning and 177.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-10-15 07:07:59,054 INFO L168 Benchmark]: RCFGBuilder took 994.71 ms. Allocated memory is still 202.4 MB. Free memory was 177.2 MB in the beginning and 105.5 MB in the end (delta: 71.7 MB). Peak memory consumption was 71.7 MB. Max. memory is 7.1 GB. [2019-10-15 07:07:59,060 INFO L168 Benchmark]: Sifa took 1077.13 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 105.5 MB in the beginning and 116.3 MB in the end (delta: -10.8 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-10-15 07:07:59,071 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.08 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 491.53 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 102.5 MB in the beginning and 179.2 MB in the end (delta: -76.7 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.07 ms. Allocated memory is still 202.4 MB. Free memory was 179.2 MB in the beginning and 177.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 994.71 ms. Allocated memory is still 202.4 MB. Free memory was 177.2 MB in the beginning and 105.5 MB in the end (delta: 71.7 MB). Peak memory consumption was 71.7 MB. Max. memory is 7.1 GB. * Sifa took 1077.13 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 105.5 MB in the beginning and 116.3 MB in the end (delta: -10.8 MB). Peak memory consumption was 22.2 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]: 1038, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 102, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 63, TOOLS_POST_TIME[ms]: 38, TOOLS_POST_CALL_APPLICATIONS: 33, TOOLS_POST_CALL_TIME[ms]: 118, TOOLS_POST_RETURN_APPLICATIONS: 31, TOOLS_POST_RETURN_TIME[ms]: 90, TOOLS_QUANTIFIERELIM_APPLICATIONS: 127, TOOLS_QUANTIFIERELIM_TIME[ms]: 185, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 25, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 104, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 36, DOMAIN_JOIN_TIME[ms]: 645, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 4, DOMAIN_ISBOTTOM_APPLICATIONS: 15, DOMAIN_ISBOTTOM_TIME[ms]: 31, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 170, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 169, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 31, CALL_SUMMARIZER_CACHE_MISSES: 18, CALL_SUMMARIZER_OVERALL_TIME[ms]: 861, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 860, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 32, DAG_COMPRESSION_PROCESSED_NODES: 234, DAG_COMPRESSION_RETAINED_NODES: 135 - 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 413#(and (not (= ~z_val~0 0)) (<= ~b0_val_t~0 1) (<= ~b1_val_t~0 1) (<= 1 ~b0_val_t~0) (= 1 ~b0_val_t~0) (<= 1 ~d1_val_t~0) (<= 1 ~b1_val_t~0) (<= ~comp_m1_i~0 0) (<= ~d1_val_t~0 1) (<= ~d0_val_t~0 1) (= ~d1_val_t~0 1) (<= 1 ~d0_val_t~0) (<= 0 ~comp_m1_i~0) (= ~b1_val_t~0 1) (= 1 ~d0_val_t~0) (= 0 ~comp_m1_i~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...