/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-properties/simple_built_from_end.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:12:11,053 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:12:11,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:12:11,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:12:11,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:12:11,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:12:11,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:12:11,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:12:11,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:12:11,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:12:11,090 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:12:11,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:12:11,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:12:11,092 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:12:11,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:12:11,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:12:11,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:12:11,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:12:11,100 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:12:11,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:12:11,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:12:11,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:12:11,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:12:11,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:12:11,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 16:12:11,117 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 16:12:11,117 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 16:12:11,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 16:12:11,120 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 16:12:11,121 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 16:12:11,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:12:11,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:12:11,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:12:11,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:12:11,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:12:11,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:12:11,126 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:12:11,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:12:11,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:12:11,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:12:11,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:12:11,129 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 16:12:11,157 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:12:11,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:12:11,158 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:12:11,159 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:12:11,159 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:12:11,159 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:12:11,159 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:12:11,159 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:12:11,160 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:12:11,160 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:12:11,160 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:12:11,160 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:12:11,160 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:12:11,161 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:12:11,161 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:12:11,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:12:11,162 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:12:11,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:12:11,162 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:12:11,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:12:11,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:12:11,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:12:11,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:12:11,163 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:12:11,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:12:11,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:12:11,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:12:11,164 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:12:11,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:12:11,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:12:11,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:12:11,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:12:11,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:12:11,165 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:12:11,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:12:11,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:12:11,165 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:12:11,166 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:12:11,409 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:12:11,425 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:12:11,428 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:12:11,430 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:12:11,430 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:12:11,431 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-properties/simple_built_from_end.i [2019-11-24 16:12:11,489 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c1622087/c2521003c0554198976e00f80f72daee/FLAG3a0e2f1fe [2019-11-24 16:12:12,003 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:12:12,004 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-properties/simple_built_from_end.i [2019-11-24 16:12:12,024 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c1622087/c2521003c0554198976e00f80f72daee/FLAG3a0e2f1fe [2019-11-24 16:12:12,301 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c1622087/c2521003c0554198976e00f80f72daee [2019-11-24 16:12:12,311 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:12:12,313 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:12:12,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:12:12,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:12:12,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:12:12,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:12:12" (1/1) ... [2019-11-24 16:12:12,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20104a58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:12:12, skipping insertion in model container [2019-11-24 16:12:12,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:12:12" (1/1) ... [2019-11-24 16:12:12,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:12:12,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:12:12,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:12:12,792 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:12:12,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:12:12,902 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:12:12,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:12:12 WrapperNode [2019-11-24 16:12:12,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:12:12,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:12:12,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:12:12,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:12:12,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:12:12" (1/1) ... [2019-11-24 16:12:12,930 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:12:12" (1/1) ... [2019-11-24 16:12:12,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:12:12,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:12:12,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:12:12,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:12:12,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:12:12" (1/1) ... [2019-11-24 16:12:12,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:12:12" (1/1) ... [2019-11-24 16:12:12,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:12:12" (1/1) ... [2019-11-24 16:12:12,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:12:12" (1/1) ... [2019-11-24 16:12:12,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:12:12" (1/1) ... [2019-11-24 16:12:12,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:12:12" (1/1) ... [2019-11-24 16:12:12,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:12:12" (1/1) ... [2019-11-24 16:12:12,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:12:12,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:12:12,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:12:12,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:12:12,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:12:12" (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 16:12:13,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 16:12:13,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 16:12:13,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 16:12:13,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 16:12:13,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 16:12:13,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:12:13,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:12:13,367 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:12:13,367 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-24 16:12:13,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:12:13 BoogieIcfgContainer [2019-11-24 16:12:13,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:12:13,369 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:12:13,369 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:12:13,370 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:12:13,371 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:12:13" (1/1) ... [2019-11-24 16:12:13,371 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 16:12:13,396 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 16:12:13,397 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:12:13,403 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:12:13,410 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:12:13,411 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:12:13,706 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:14,198 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:14,366 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:15,082 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:15,473 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:15,804 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:16,598 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:17,228 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:18,183 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:18,344 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:19,968 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-11-24 16:12:20,045 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:21,663 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:22,326 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:22,648 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:22,899 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:23,568 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-24 16:12:23,832 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:24,097 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:24,282 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:24,296 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:24,309 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:24,349 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:24,989 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-11-24 16:12:25,196 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-11-24 16:12:25,377 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:27,826 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:29,917 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:31,259 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:31,363 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 452 [2019-11-24 16:12:31,807 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:32,072 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:32,320 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-11-24 16:12:32,971 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-24 16:12:32,976 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-24 16:12:32,981 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-11-24 16:12:33,616 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:33,713 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:33,726 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:33,806 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:33,915 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:33,953 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:34,040 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:34,115 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:34,861 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-11-24 16:12:35,138 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-11-24 16:12:35,485 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-11-24 16:12:35,649 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:36,719 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-11-24 16:12:37,045 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-11-24 16:12:37,397 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 650 [2019-11-24 16:12:37,614 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 651 [2019-11-24 16:12:37,831 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 652 [2019-11-24 16:12:38,077 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-11-24 16:12:38,289 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 654 [2019-11-24 16:12:38,905 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 655 [2019-11-24 16:12:39,203 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-11-24 16:12:39,452 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-11-24 16:12:39,685 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 658 [2019-11-24 16:12:40,283 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-11-24 16:12:41,590 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:43,027 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-11-24 16:12:45,100 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:47,980 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:49,291 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:49,917 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:50,322 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-11-24 16:12:51,099 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:51,330 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-11-24 16:12:57,985 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:12:58,047 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 16:12:58,064 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 16:12:58,064 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 16:12:58,065 INFO L168 Benchmark]: Toolchain (without parser) took 45752.96 ms. Allocated memory was 141.6 MB in the beginning and 528.0 MB in the end (delta: 386.4 MB). Free memory was 101.2 MB in the beginning and 89.8 MB in the end (delta: 11.4 MB). Peak memory consumption was 397.8 MB. Max. memory is 7.1 GB. [2019-11-24 16:12:58,066 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 141.6 MB. Free memory is still 120.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-24 16:12:58,066 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.70 ms. Allocated memory was 141.6 MB in the beginning and 204.5 MB in the end (delta: 62.9 MB). Free memory was 100.8 MB in the beginning and 170.5 MB in the end (delta: -69.7 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-11-24 16:12:58,066 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.17 ms. Allocated memory is still 204.5 MB. Free memory was 170.5 MB in the beginning and 168.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-11-24 16:12:58,067 INFO L168 Benchmark]: Boogie Preprocessor took 29.44 ms. Allocated memory is still 204.5 MB. Free memory was 168.6 MB in the beginning and 167.7 MB in the end (delta: 925.3 kB). Peak memory consumption was 925.3 kB. Max. memory is 7.1 GB. [2019-11-24 16:12:58,067 INFO L168 Benchmark]: RCFGBuilder took 389.59 ms. Allocated memory is still 204.5 MB. Free memory was 166.7 MB in the beginning and 149.8 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 7.1 GB. [2019-11-24 16:12:58,067 INFO L168 Benchmark]: Sifa took 44695.12 ms. Allocated memory was 204.5 MB in the beginning and 528.0 MB in the end (delta: 323.5 MB). Free memory was 149.8 MB in the beginning and 89.8 MB in the end (delta: 60.0 MB). Peak memory consumption was 383.5 MB. Max. memory is 7.1 GB. [2019-11-24 16:12:58,069 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 141.6 MB. Free memory is still 120.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 589.70 ms. Allocated memory was 141.6 MB in the beginning and 204.5 MB in the end (delta: 62.9 MB). Free memory was 100.8 MB in the beginning and 170.5 MB in the end (delta: -69.7 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 45.17 ms. Allocated memory is still 204.5 MB. Free memory was 170.5 MB in the beginning and 168.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.44 ms. Allocated memory is still 204.5 MB. Free memory was 168.6 MB in the beginning and 167.7 MB in the end (delta: 925.3 kB). Peak memory consumption was 925.3 kB. Max. memory is 7.1 GB. * RCFGBuilder took 389.59 ms. Allocated memory is still 204.5 MB. Free memory was 166.7 MB in the beginning and 149.8 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 7.1 GB. * Sifa took 44695.12 ms. Allocated memory was 204.5 MB in the beginning and 528.0 MB in the end (delta: 323.5 MB). Free memory was 149.8 MB in the beginning and 89.8 MB in the end (delta: 60.0 MB). Peak memory consumption was 383.5 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]: 44651, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 5, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 40, TOOLS_POST_TIME[ms]: 40047, 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: 40, TOOLS_QUANTIFIERELIM_TIME[ms]: 40020, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 18258, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 59, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 14, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 287, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 4220, DOMAIN_ISBOTTOM_APPLICATIONS: 5, DOMAIN_ISBOTTOM_TIME[ms]: 24, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 44411, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 44410, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, 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]: 12, DAG_COMPRESSION_PROCESSED_NODES: 102, DAG_COMPRESSION_RETAINED_NODES: 30 - UnprovableResult [Line: 532]: 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 90#(or (exists ((v_ULTIMATE.start_main_~p~0.base_27 Int) (v_prenex_152 Int) (v_prenex_151 Int) (v_ULTIMATE.start_main_~p~0.offset_27 Int)) (or (and (not (= 0 ULTIMATE.start_main_~p~0.offset)) (= 1 (select (select |#memory_int| v_prenex_151) v_prenex_152)) (not (= (select (select |#memory_int| ULTIMATE.start_main_~p~0.base) ULTIMATE.start_main_~p~0.offset) 1)) (= (select (select |#memory_$Pointer$.base| v_prenex_151) (+ v_prenex_152 4)) ULTIMATE.start_main_~p~0.base) (not (= v_prenex_152 0)) (= (select (select |#memory_$Pointer$.offset| v_prenex_151) (+ v_prenex_152 4)) ULTIMATE.start_main_~p~0.offset)) (and (not (= 0 ULTIMATE.start_main_~p~0.base)) (not (= v_ULTIMATE.start_main_~p~0.base_27 0)) (not (= (select (select |#memory_int| ULTIMATE.start_main_~p~0.base) ULTIMATE.start_main_~p~0.offset) 1)) (= (select (select |#memory_$Pointer$.offset| v_ULTIMATE.start_main_~p~0.base_27) (+ v_ULTIMATE.start_main_~p~0.offset_27 4)) ULTIMATE.start_main_~p~0.offset) (= (select (select |#memory_$Pointer$.base| v_ULTIMATE.start_main_~p~0.base_27) (+ v_ULTIMATE.start_main_~p~0.offset_27 4)) ULTIMATE.start_main_~p~0.base) (= 1 (select (select |#memory_int| v_ULTIMATE.start_main_~p~0.base_27) v_ULTIMATE.start_main_~p~0.offset_27))) (and (not (= 0 ULTIMATE.start_main_~p~0.base)) (= 1 (select (select |#memory_int| v_prenex_151) v_prenex_152)) (not (= (select (select |#memory_int| ULTIMATE.start_main_~p~0.base) ULTIMATE.start_main_~p~0.offset) 1)) (= (select (select |#memory_$Pointer$.base| v_prenex_151) (+ v_prenex_152 4)) ULTIMATE.start_main_~p~0.base) (not (= v_prenex_152 0)) (= (select (select |#memory_$Pointer$.offset| v_prenex_151) (+ v_prenex_152 4)) ULTIMATE.start_main_~p~0.offset)) (and (not (= 0 ULTIMATE.start_main_~p~0.offset)) (not (= v_ULTIMATE.start_main_~p~0.base_27 0)) (not (= (select (select |#memory_int| ULTIMATE.start_main_~p~0.base) ULTIMATE.start_main_~p~0.offset) 1)) (= (select (select |#memory_$Pointer$.offset| v_ULTIMATE.start_main_~p~0.base_27) (+ v_ULTIMATE.start_main_~p~0.offset_27 4)) ULTIMATE.start_main_~p~0.offset) (= (select (select |#memory_$Pointer$.base| v_ULTIMATE.start_main_~p~0.base_27) (+ v_ULTIMATE.start_main_~p~0.offset_27 4)) ULTIMATE.start_main_~p~0.base) (= 1 (select (select |#memory_int| v_ULTIMATE.start_main_~p~0.base_27) v_ULTIMATE.start_main_~p~0.offset_27))))) (and (or (not (= 0 ULTIMATE.start_main_~p~0.base)) (not (= 0 ULTIMATE.start_main_~p~0.offset))) (not (= (select (select |#memory_int| ULTIMATE.start_main_~p~0.base) ULTIMATE.start_main_~p~0.offset) 1)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...