/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/forester-heap/sll-reverse_simple.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 11:22:55,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 11:22:55,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 11:22:55,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 11:22:55,113 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 11:22:55,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 11:22:55,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 11:22:55,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 11:22:55,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 11:22:55,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 11:22:55,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 11:22:55,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 11:22:55,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 11:22:55,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 11:22:55,127 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 11:22:55,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 11:22:55,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 11:22:55,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 11:22:55,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 11:22:55,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 11:22:55,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 11:22:55,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 11:22:55,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 11:22:55,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 11:22:55,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 11:22:55,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 11:22:55,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 11:22:55,152 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 11:22:55,153 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 11:22:55,154 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 11:22:55,154 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 11:22:55,155 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 11:22:55,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 11:22:55,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 11:22:55,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 11:22:55,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 11:22:55,158 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 11:22:55,184 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 11:22:55,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 11:22:55,185 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 11:22:55,186 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 11:22:55,188 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 11:22:55,188 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 11:22:55,188 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 11:22:55,188 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 11:22:55,189 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 11:22:55,190 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 11:22:55,191 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 11:22:55,192 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 11:22:55,192 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 11:22:55,192 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 11:22:55,192 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 11:22:55,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 11:22:55,193 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 11:22:55,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 11:22:55,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 11:22:55,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 11:22:55,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 11:22:55,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 11:22:55,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 11:22:55,195 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 11:22:55,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 11:22:55,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 11:22:55,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 11:22:55,196 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 11:22:55,197 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 11:22:55,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 11:22:55,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 11:22:55,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 11:22:55,198 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 11:22:55,198 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 11:22:55,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 11:22:55,199 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 11:22:55,199 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 11:22:55,200 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 11:22:55,497 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 11:22:55,520 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 11:22:55,524 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 11:22:55,525 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 11:22:55,529 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 11:22:55,530 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-reverse_simple.i [2019-11-24 11:22:55,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef7618a49/6ad2a296f62a43c6bfdf304d0a52e3d1/FLAG5ea5d2a72 [2019-11-24 11:22:56,243 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 11:22:56,244 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-reverse_simple.i [2019-11-24 11:22:56,271 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef7618a49/6ad2a296f62a43c6bfdf304d0a52e3d1/FLAG5ea5d2a72 [2019-11-24 11:22:56,519 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef7618a49/6ad2a296f62a43c6bfdf304d0a52e3d1 [2019-11-24 11:22:56,530 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 11:22:56,532 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 11:22:56,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 11:22:56,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 11:22:56,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 11:22:56,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:22:56" (1/1) ... [2019-11-24 11:22:56,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51039e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:56, skipping insertion in model container [2019-11-24 11:22:56,543 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:22:56" (1/1) ... [2019-11-24 11:22:56,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 11:22:56,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 11:22:57,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 11:22:57,105 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 11:22:57,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 11:22:57,213 INFO L208 MainTranslator]: Completed translation [2019-11-24 11:22:57,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:57 WrapperNode [2019-11-24 11:22:57,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 11:22:57,215 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 11:22:57,215 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 11:22:57,215 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 11:22:57,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:57" (1/1) ... [2019-11-24 11:22:57,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:57" (1/1) ... [2019-11-24 11:22:57,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 11:22:57,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 11:22:57,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 11:22:57,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 11:22:57,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:57" (1/1) ... [2019-11-24 11:22:57,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:57" (1/1) ... [2019-11-24 11:22:57,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:57" (1/1) ... [2019-11-24 11:22:57,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:57" (1/1) ... [2019-11-24 11:22:57,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:57" (1/1) ... [2019-11-24 11:22:57,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:57" (1/1) ... [2019-11-24 11:22:57,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:57" (1/1) ... [2019-11-24 11:22:57,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 11:22:57,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 11:22:57,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 11:22:57,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 11:22:57,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:57" (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 11:22:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 11:22:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 11:22:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 11:22:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 11:22:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 11:22:57,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 11:22:57,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 11:22:57,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 11:22:58,323 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 11:22:58,323 INFO L284 CfgBuilder]: Removed 15 assume(true) statements. [2019-11-24 11:22:58,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:22:58 BoogieIcfgContainer [2019-11-24 11:22:58,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 11:22:58,325 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 11:22:58,326 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 11:22:58,326 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 11:22:58,327 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:22:58" (1/1) ... [2019-11-24 11:22:58,328 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 11:22:58,356 INFO L159 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-11-24 11:22:58,356 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 11:22:58,365 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 11:22:58,372 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 11:22:58,374 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 11:23:02,547 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 124 [2019-11-24 11:24:15,419 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-11-24 11:24:21,824 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ULTIMATE.start_main_~x~0.base ULTIMATE.start_main_~head~0.base) [2019-11-24 11:24:23,831 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= 8 (select |#length| |ULTIMATE.start_main_#t~malloc0.base|)) [2019-11-24 11:24:25,838 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= 8 (select |#length| |ULTIMATE.start_main_#t~malloc0.base|)) [2019-11-24 11:24:27,842 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select |#length| |ULTIMATE.start_main_#t~malloc2.base|) 8) [2019-11-24 11:24:29,850 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select |#length| |ULTIMATE.start_main_#t~malloc2.base|) 8) [2019-11-24 11:24:35,967 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ULTIMATE.start_main_~x~0.base ULTIMATE.start_main_~head~0.base) [2019-11-24 11:24:37,974 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ULTIMATE.start_main_~x~0.base (select (select v_prenex_69 ULTIMATE.start_main_~head~0.base) ULTIMATE.start_main_~head~0.offset)) [2019-11-24 11:24:39,981 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= 8 (select |#length| |ULTIMATE.start_main_#t~malloc0.base|))