/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/dll2n_remove_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:14:55,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:14:55,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:14:55,946 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:14:55,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:14:55,947 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:14:55,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:14:55,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:14:55,952 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:14:55,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:14:55,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:14:55,955 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:14:55,955 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:14:55,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:14:55,957 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:14:55,958 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:14:55,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:14:55,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:14:55,961 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:14:55,963 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:14:55,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:14:55,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:14:55,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:14:55,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:14:55,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 16:14:55,969 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 16:14:55,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 16:14:55,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 16:14:55,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 16:14:55,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 16:14:55,972 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:14:55,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:14:55,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:14:55,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:14:55,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:14:55,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:14:55,976 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:14:55,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:14:55,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:14:55,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:14:55,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:14:55,978 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 16:14:55,995 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:14:55,995 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:14:55,996 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:14:55,996 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:14:55,998 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:14:55,998 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:14:55,998 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:14:55,999 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:14:55,999 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:14:55,999 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:14:55,999 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:14:55,999 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:14:56,000 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:14:56,001 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:14:56,001 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:14:56,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:14:56,002 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:14:56,002 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:14:56,002 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:14:56,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:14:56,003 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:14:56,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:14:56,003 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:14:56,004 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:14:56,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:14:56,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:14:56,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:14:56,005 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:14:56,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:14:56,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:14:56,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:14:56,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:14:56,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:14:56,007 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:14:56,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:14:56,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:14:56,008 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:14:56,008 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:14:56,273 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:14:56,285 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:14:56,289 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:14:56,290 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:14:56,290 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:14:56,291 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_remove_all_reverse.i [2019-11-24 16:14:56,378 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0c161b54/f447574a47b448b1af8c76dd639cb594/FLAGdb604176d [2019-11-24 16:14:56,917 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:14:56,918 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_remove_all_reverse.i [2019-11-24 16:14:56,942 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0c161b54/f447574a47b448b1af8c76dd639cb594/FLAGdb604176d [2019-11-24 16:14:57,253 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0c161b54/f447574a47b448b1af8c76dd639cb594 [2019-11-24 16:14:57,261 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:14:57,262 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:14:57,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:14:57,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:14:57,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:14:57,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:14:57" (1/1) ... [2019-11-24 16:14:57,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@699de030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:57, skipping insertion in model container [2019-11-24 16:14:57,270 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:14:57" (1/1) ... [2019-11-24 16:14:57,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:14:57,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:14:57,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:14:57,771 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:14:57,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:14:57,880 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:14:57,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:57 WrapperNode [2019-11-24 16:14:57,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:14:57,883 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:14:57,883 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:14:57,883 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:14:57,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:57" (1/1) ... [2019-11-24 16:14:57,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:57" (1/1) ... [2019-11-24 16:14:57,939 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:14:57,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:14:57,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:14:57,940 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:14:57,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:57" (1/1) ... [2019-11-24 16:14:57,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:57" (1/1) ... [2019-11-24 16:14:57,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:57" (1/1) ... [2019-11-24 16:14:57,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:57" (1/1) ... [2019-11-24 16:14:57,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:57" (1/1) ... [2019-11-24 16:14:57,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:57" (1/1) ... [2019-11-24 16:14:57,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:57" (1/1) ... [2019-11-24 16:14:57,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:14:57,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:14:57,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:14:57,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:14:57,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:57" (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 16:14:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 16:14:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 16:14:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 16:14:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 16:14:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 16:14:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 16:14:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-24 16:14:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:14:58,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:14:58,595 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:14:58,595 INFO L284 CfgBuilder]: Removed 13 assume(true) statements. [2019-11-24 16:14:58,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:14:58 BoogieIcfgContainer [2019-11-24 16:14:58,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:14:58,597 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:14:58,597 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:14:58,597 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:14:58,598 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:14:58" (1/1) ... [2019-11-24 16:14:58,599 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 16:14:58,621 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 16:14:58,622 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:14:58,629 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:14:58,636 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:14:58,638 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:14:59,055 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:14:59,764 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:00,614 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:01,424 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:01,791 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:02,980 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:03,422 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:04,961 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:04,994 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:05,031 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:05,068 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:05,102 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:05,136 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:05,162 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:05,197 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:05,228 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:05,254 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:05,286 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:05,329 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:05,350 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:05,375 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:05,396 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:05,507 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:05,538 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:05,564 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:05,595 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:05,623 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:05,649 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:05,674 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:05,699 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:05,997 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-11-24 16:15:06,376 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:06,387 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:06,400 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:06,410 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:06,907 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 16:15:06,925 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 16:15:06,925 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 16:15:06,929 INFO L168 Benchmark]: Toolchain (without parser) took 9665.20 ms. Allocated memory was 138.9 MB in the beginning and 394.3 MB in the end (delta: 255.3 MB). Free memory was 101.2 MB in the beginning and 219.5 MB in the end (delta: -118.3 MB). Peak memory consumption was 137.0 MB. Max. memory is 7.1 GB. [2019-11-24 16:15:06,929 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-24 16:15:06,930 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.78 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 100.8 MB in the beginning and 168.5 MB in the end (delta: -67.7 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2019-11-24 16:15:06,931 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.53 ms. Allocated memory is still 203.4 MB. Free memory was 168.5 MB in the beginning and 166.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-11-24 16:15:06,931 INFO L168 Benchmark]: Boogie Preprocessor took 30.35 ms. Allocated memory is still 203.4 MB. Free memory was 166.5 MB in the beginning and 164.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-11-24 16:15:06,932 INFO L168 Benchmark]: RCFGBuilder took 626.31 ms. Allocated memory is still 203.4 MB. Free memory was 164.5 MB in the beginning and 134.2 MB in the end (delta: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. [2019-11-24 16:15:06,933 INFO L168 Benchmark]: Sifa took 8329.02 ms. Allocated memory was 203.4 MB in the beginning and 394.3 MB in the end (delta: 190.8 MB). Free memory was 134.2 MB in the beginning and 219.5 MB in the end (delta: -85.4 MB). Peak memory consumption was 105.5 MB. Max. memory is 7.1 GB. [2019-11-24 16:15:06,942 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 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 618.78 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 100.8 MB in the beginning and 168.5 MB in the end (delta: -67.7 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 56.53 ms. Allocated memory is still 203.4 MB. Free memory was 168.5 MB in the beginning and 166.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.35 ms. Allocated memory is still 203.4 MB. Free memory was 166.5 MB in the beginning and 164.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 626.31 ms. Allocated memory is still 203.4 MB. Free memory was 164.5 MB in the beginning and 134.2 MB in the end (delta: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. * Sifa took 8329.02 ms. Allocated memory was 203.4 MB in the beginning and 394.3 MB in the end (delta: 190.8 MB). Free memory was 134.2 MB in the beginning and 219.5 MB in the end (delta: -85.4 MB). Peak memory consumption was 105.5 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]: 8288, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 5, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 43, TOOLS_POST_TIME[ms]: 7384, 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: 43, TOOLS_QUANTIFIERELIM_TIME[ms]: 7355, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 2720, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 72, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 213, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 42, DOMAIN_WIDEN_APPLICATIONS: 8, DOMAIN_WIDEN_TIME[ms]: 518, DOMAIN_ISSUBSETEQ_APPLICATIONS: 12, DOMAIN_ISSUBSETEQ_TIME[ms]: 48, DOMAIN_ISBOTTOM_APPLICATIONS: 5, DOMAIN_ISBOTTOM_TIME[ms]: 19, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6257, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6257, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 12, 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]: 13, DAG_COMPRESSION_PROCESSED_NODES: 84, DAG_COMPRESSION_RETAINED_NODES: 38 - UnprovableResult [Line: 619]: 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 158#(and (not (<= 0 ULTIMATE.start_main_~i~0)) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0.base|) |ULTIMATE.start_main_~#s~0.offset|) 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0.base|) |ULTIMATE.start_main_~#s~0.offset|))))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...