/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/list-simple/sll2n_prepend_equal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:16:25,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:16:25,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:16:25,153 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:16:25,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:16:25,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:16:25,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:16:25,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:16:25,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:16:25,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:16:25,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:16:25,166 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:16:25,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:16:25,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:16:25,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:16:25,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:16:25,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:16:25,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:16:25,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:16:25,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:16:25,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:16:25,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:16:25,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:16:25,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:16:25,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 16:16:25,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 16:16:25,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 16:16:25,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 16:16:25,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 16:16:25,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 16:16:25,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:16:25,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:16:25,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:16:25,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:16:25,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:16:25,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:16:25,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:16:25,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:16:25,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:16:25,204 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:16:25,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:16:25,208 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 16:16:25,227 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:16:25,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:16:25,229 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:16:25,229 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:16:25,230 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:16:25,230 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:16:25,230 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:16:25,230 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:16:25,230 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:16:25,231 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:16:25,231 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:16:25,231 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:16:25,231 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:16:25,232 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:16:25,232 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:16:25,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:16:25,233 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:16:25,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:16:25,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:16:25,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:16:25,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:16:25,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:16:25,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:16:25,234 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:16:25,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:16:25,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:16:25,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:16:25,235 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:16:25,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:16:25,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:16:25,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:16:25,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:16:25,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:16:25,238 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:16:25,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:16:25,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:16:25,239 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:16:25,239 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:16:25,530 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:16:25,546 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:16:25,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:16:25,551 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:16:25,552 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:16:25,552 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_prepend_equal.i [2019-11-24 16:16:25,614 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1c7f5254/a3eda3bd1f194618a72f864c2a560d5a/FLAGbe8eec1b2 [2019-11-24 16:16:26,160 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:16:26,162 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_prepend_equal.i [2019-11-24 16:16:26,186 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1c7f5254/a3eda3bd1f194618a72f864c2a560d5a/FLAGbe8eec1b2 [2019-11-24 16:16:26,436 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1c7f5254/a3eda3bd1f194618a72f864c2a560d5a [2019-11-24 16:16:26,447 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:16:26,448 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:16:26,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:16:26,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:16:26,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:16:26,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:16:26" (1/1) ... [2019-11-24 16:16:26,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57cabdff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:26, skipping insertion in model container [2019-11-24 16:16:26,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:16:26" (1/1) ... [2019-11-24 16:16:26,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:16:26,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:16:26,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:16:26,978 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:16:27,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:16:27,079 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:16:27,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:27 WrapperNode [2019-11-24 16:16:27,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:16:27,081 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:16:27,081 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:16:27,081 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:16:27,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:27" (1/1) ... [2019-11-24 16:16:27,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:27" (1/1) ... [2019-11-24 16:16:27,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:16:27,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:16:27,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:16:27,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:16:27,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:27" (1/1) ... [2019-11-24 16:16:27,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:27" (1/1) ... [2019-11-24 16:16:27,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:27" (1/1) ... [2019-11-24 16:16:27,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:27" (1/1) ... [2019-11-24 16:16:27,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:27" (1/1) ... [2019-11-24 16:16:27,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:27" (1/1) ... [2019-11-24 16:16:27,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:27" (1/1) ... [2019-11-24 16:16:27,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:16:27,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:16:27,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:16:27,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:16:27,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:27" (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 [2019-11-24 16:16:27,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 16:16:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 16:16:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 16:16:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 16:16:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 16:16:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 16:16:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 16:16:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-24 16:16:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:16:27,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:16:27,849 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:16:27,850 INFO L284 CfgBuilder]: Removed 21 assume(true) statements. [2019-11-24 16:16:27,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:16:27 BoogieIcfgContainer [2019-11-24 16:16:27,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:16:27,852 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:16:27,852 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:16:27,852 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:16:27,854 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:16:27" (1/1) ... [2019-11-24 16:16:27,854 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 [2019-11-24 16:16:27,880 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 16:16:27,880 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:16:27,888 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:16:27,894 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:16:27,895 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:16:28,370 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:28,876 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:29,153 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2019-11-24 16:16:29,427 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:30,213 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:30,534 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:31,081 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:31,585 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:31,631 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:31,985 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:32,521 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2019-11-24 16:16:32,708 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 252 [2019-11-24 16:16:32,950 WARN L192 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 277 [2019-11-24 16:16:33,299 WARN L192 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 277 [2019-11-24 16:16:33,502 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2019-11-24 16:16:33,625 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2019-11-24 16:16:33,746 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2019-11-24 16:16:33,974 WARN L192 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 317 [2019-11-24 16:16:34,183 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 317 [2019-11-24 16:16:34,384 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 317 [2019-11-24 16:16:34,385 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 16:16:34,405 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-11-24 16:16:34,405 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 16:16:34,412 INFO L168 Benchmark]: Toolchain (without parser) took 7959.11 ms. Allocated memory was 139.5 MB in the beginning and 382.7 MB in the end (delta: 243.3 MB). Free memory was 102.9 MB in the beginning and 345.2 MB in the end (delta: -242.4 MB). Peak memory consumption was 912.7 kB. Max. memory is 7.1 GB. [2019-11-24 16:16:34,412 INFO L168 Benchmark]: CDTParser took 0.61 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-24 16:16:34,413 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.90 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 102.7 MB in the beginning and 169.4 MB in the end (delta: -66.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2019-11-24 16:16:34,414 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.26 ms. Allocated memory is still 203.9 MB. Free memory was 169.4 MB in the beginning and 167.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-11-24 16:16:34,414 INFO L168 Benchmark]: Boogie Preprocessor took 40.13 ms. Allocated memory is still 203.9 MB. Free memory was 166.7 MB in the beginning and 165.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-11-24 16:16:34,415 INFO L168 Benchmark]: RCFGBuilder took 677.99 ms. Allocated memory is still 203.9 MB. Free memory was 165.4 MB in the beginning and 126.9 MB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. [2019-11-24 16:16:34,415 INFO L168 Benchmark]: Sifa took 6553.60 ms. Allocated memory was 203.9 MB in the beginning and 382.7 MB in the end (delta: 178.8 MB). Free memory was 126.9 MB in the beginning and 345.2 MB in the end (delta: -218.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-11-24 16:16:34,418 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 630.90 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 102.7 MB in the beginning and 169.4 MB in the end (delta: -66.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 52.26 ms. Allocated memory is still 203.9 MB. Free memory was 169.4 MB in the beginning and 167.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.13 ms. Allocated memory is still 203.9 MB. Free memory was 166.7 MB in the beginning and 165.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 677.99 ms. Allocated memory is still 203.9 MB. Free memory was 165.4 MB in the beginning and 126.9 MB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. * Sifa took 6553.60 ms. Allocated memory was 203.9 MB in the beginning and 382.7 MB in the end (delta: 178.8 MB). Free memory was 126.9 MB in the beginning and 345.2 MB in the end (delta: -218.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 6506, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 3, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 21, TOOLS_POST_TIME[ms]: 4292, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 21, TOOLS_QUANTIFIERELIM_TIME[ms]: 4269, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 1273, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 34, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 3, DOMAIN_JOIN_TIME[ms]: 1120, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 979, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 35, DOMAIN_ISBOTTOM_APPLICATIONS: 3, DOMAIN_ISBOTTOM_TIME[ms]: 21, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2979, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2979, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 3, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 13, DAG_COMPRESSION_PROCESSED_NODES: 111, DAG_COMPRESSION_RETAINED_NODES: 27 - PositiveResult [Line: 613]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold RESULT: Ultimate proved your program to be correct! Received shutdown request...