/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_remove_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:16:38,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:16:38,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:16:38,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:16:38,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:16:38,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:16:38,376 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:16:38,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:16:38,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:16:38,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:16:38,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:16:38,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:16:38,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:16:38,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:16:38,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:16:38,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:16:38,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:16:38,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:16:38,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:16:38,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:16:38,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:16:38,413 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:16:38,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:16:38,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:16:38,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 16:16:38,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 16:16:38,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 16:16:38,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 16:16:38,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 16:16:38,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 16:16:38,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:16:38,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:16:38,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:16:38,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:16:38,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:16:38,423 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:16:38,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:16:38,424 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:16:38,424 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:16:38,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:16:38,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:16:38,426 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 16:16:38,441 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:16:38,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:16:38,442 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:16:38,442 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:16:38,442 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:16:38,442 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:16:38,443 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:16:38,443 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:16:38,443 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:16:38,443 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:16:38,443 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:16:38,444 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:16:38,444 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:16:38,444 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:16:38,444 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:16:38,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:16:38,445 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:16:38,445 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:16:38,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:16:38,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:16:38,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:16:38,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:16:38,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:16:38,446 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:16:38,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:16:38,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:16:38,447 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:16:38,447 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:16:38,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:16:38,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:16:38,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:16:38,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:16:38,448 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:16:38,449 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:16:38,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:16:38,449 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:16:38,449 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:16:38,449 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:16:38,730 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:16:38,743 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:16:38,746 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:16:38,748 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:16:38,748 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:16:38,749 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_remove_all.i [2019-11-24 16:16:38,825 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8be0f5a3e/349b0efade454eb2b1bcd6d03c8bfdce/FLAGa971e20e5 [2019-11-24 16:16:39,335 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:16:39,337 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_remove_all.i [2019-11-24 16:16:39,355 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8be0f5a3e/349b0efade454eb2b1bcd6d03c8bfdce/FLAGa971e20e5 [2019-11-24 16:16:39,663 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8be0f5a3e/349b0efade454eb2b1bcd6d03c8bfdce [2019-11-24 16:16:39,672 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:16:39,673 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:16:39,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:16:39,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:16:39,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:16:39,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:16:39" (1/1) ... [2019-11-24 16:16:39,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61c69f38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:39, skipping insertion in model container [2019-11-24 16:16:39,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:16:39" (1/1) ... [2019-11-24 16:16:39,690 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:16:39,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:16:40,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:16:40,215 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:16:40,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:16:40,321 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:16:40,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:40 WrapperNode [2019-11-24 16:16:40,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:16:40,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:16:40,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:16:40,323 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:16:40,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:40" (1/1) ... [2019-11-24 16:16:40,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:40" (1/1) ... [2019-11-24 16:16:40,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:16:40,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:16:40,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:16:40,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:16:40,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:40" (1/1) ... [2019-11-24 16:16:40,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:40" (1/1) ... [2019-11-24 16:16:40,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:40" (1/1) ... [2019-11-24 16:16:40,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:40" (1/1) ... [2019-11-24 16:16:40,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:40" (1/1) ... [2019-11-24 16:16:40,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:40" (1/1) ... [2019-11-24 16:16:40,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:40" (1/1) ... [2019-11-24 16:16:40,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:16:40,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:16:40,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:16:40,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:16:40,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:40" (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 16:16:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 16:16:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 16:16:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 16:16:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 16:16:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 16:16:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 16:16:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-24 16:16:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:16:40,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:16:40,950 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:16:40,950 INFO L284 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-24 16:16:40,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:16:40 BoogieIcfgContainer [2019-11-24 16:16:40,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:16:40,952 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:16:40,952 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:16:40,953 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:16:40,954 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:16:40" (1/1) ... [2019-11-24 16:16:40,955 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 16:16:40,981 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 16:16:40,981 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:16:40,987 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:16:40,993 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:16:40,995 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:16:41,430 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:41,944 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:42,727 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:43,201 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:43,323 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:43,778 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:44,384 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:44,430 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:44,961 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 211 [2019-11-24 16:16:45,252 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:45,301 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:45,712 WARN L192 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 290 [2019-11-24 16:16:45,741 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:45,933 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:45,960 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:45,989 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:46,015 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:46,041 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:46,067 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:46,957 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2019-11-24 16:16:47,138 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 259 [2019-11-24 16:16:47,327 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:47,372 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:47,435 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:47,500 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:47,568 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:47,628 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:47,691 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:47,756 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:47,819 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:47,895 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:47,941 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:47,985 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:48,026 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:48,232 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:48,266 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:48,651 WARN L192 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-11-24 16:16:48,693 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:48,945 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:49,222 WARN L192 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 443 [2019-11-24 16:16:49,260 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:49,286 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:49,537 WARN L192 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2019-11-24 16:16:49,567 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:49,593 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:49,621 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:49,800 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:49,835 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:49,863 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:49,886 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:50,168 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2019-11-24 16:16:50,835 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 302 [2019-11-24 16:16:51,175 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 16:16:51,190 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-11-24 16:16:51,190 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 16:16:51,192 INFO L168 Benchmark]: Toolchain (without parser) took 11518.56 ms. Allocated memory was 137.4 MB in the beginning and 472.9 MB in the end (delta: 335.5 MB). Free memory was 100.7 MB in the beginning and 253.7 MB in the end (delta: -153.1 MB). Peak memory consumption was 182.5 MB. Max. memory is 7.1 GB. [2019-11-24 16:16:51,192 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-11-24 16:16:51,192 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.55 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 100.2 MB in the beginning and 167.0 MB in the end (delta: -66.8 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-11-24 16:16:51,193 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.66 ms. Allocated memory is still 201.3 MB. Free memory was 167.0 MB in the beginning and 164.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-11-24 16:16:51,193 INFO L168 Benchmark]: Boogie Preprocessor took 30.72 ms. Allocated memory is still 201.3 MB. Free memory was 164.3 MB in the beginning and 163.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-11-24 16:16:51,194 INFO L168 Benchmark]: RCFGBuilder took 550.54 ms. Allocated memory is still 201.3 MB. Free memory was 163.0 MB in the beginning and 135.2 MB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2019-11-24 16:16:51,194 INFO L168 Benchmark]: Sifa took 10238.04 ms. Allocated memory was 201.3 MB in the beginning and 472.9 MB in the end (delta: 271.6 MB). Free memory was 135.2 MB in the beginning and 253.7 MB in the end (delta: -118.5 MB). Peak memory consumption was 153.1 MB. Max. memory is 7.1 GB. [2019-11-24 16:16:51,197 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 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 647.55 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 100.2 MB in the beginning and 167.0 MB in the end (delta: -66.8 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 47.66 ms. Allocated memory is still 201.3 MB. Free memory was 167.0 MB in the beginning and 164.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.72 ms. Allocated memory is still 201.3 MB. Free memory was 164.3 MB in the beginning and 163.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 550.54 ms. Allocated memory is still 201.3 MB. Free memory was 163.0 MB in the beginning and 135.2 MB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Sifa took 10238.04 ms. Allocated memory was 201.3 MB in the beginning and 472.9 MB in the end (delta: 271.6 MB). Free memory was 135.2 MB in the beginning and 253.7 MB in the end (delta: -118.5 MB). Peak memory consumption was 153.1 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]: 10195, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 1, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 14, TOOLS_POST_TIME[ms]: 9348, 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: 14, TOOLS_QUANTIFIERELIM_TIME[ms]: 9332, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 4015, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 27, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 1, DOMAIN_JOIN_TIME[ms]: 129, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 618, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 36, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 7, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 8741, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8740, 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]: 2, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 9, DAG_COMPRESSION_PROCESSED_NODES: 43, DAG_COMPRESSION_RETAINED_NODES: 20 - PositiveResult [Line: 598]: 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...