/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_append_unequal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:16:19,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:16:19,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:16:19,036 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:16:19,038 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:16:19,040 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:16:19,041 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:16:19,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:16:19,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:16:19,054 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:16:19,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:16:19,056 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:16:19,057 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:16:19,058 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:16:19,060 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:16:19,062 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:16:19,063 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:16:19,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:16:19,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:16:19,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:16:19,076 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:16:19,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:16:19,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:16:19,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:16:19,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 16:16:19,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:16:19,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:16:19,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:16:19,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:16:19,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:16:19,096 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:16:19,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:16:19,097 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:16:19,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:16:19,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:16:19,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:16:19,101 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 16:16:19,134 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:16:19,134 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:16:19,135 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:16:19,136 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:16:19,139 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:16:19,139 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:16:19,139 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:16:19,140 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:16:19,140 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:16:19,140 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:16:19,140 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:16:19,140 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:16:19,140 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:16:19,142 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:16:19,142 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:16:19,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:16:19,143 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:16:19,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:16:19,143 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:16:19,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:16:19,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:16:19,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:16:19,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:16:19,145 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:16:19,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:16:19,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:16:19,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:16:19,146 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:16:19,146 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:16:19,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:16:19,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:16:19,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:16:19,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:16:19,147 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:16:19,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:16:19,147 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:16:19,148 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:16:19,148 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:16:19,400 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:16:19,419 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:16:19,423 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:16:19,425 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:16:19,425 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:16:19,426 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_append_unequal.i [2019-11-24 16:16:19,497 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35e8e1aac/031f0ec0c7f54724bbaf7cf715aadc4c/FLAG5525d956b [2019-11-24 16:16:20,071 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:16:20,072 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_append_unequal.i [2019-11-24 16:16:20,085 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35e8e1aac/031f0ec0c7f54724bbaf7cf715aadc4c/FLAG5525d956b [2019-11-24 16:16:20,350 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35e8e1aac/031f0ec0c7f54724bbaf7cf715aadc4c [2019-11-24 16:16:20,359 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:16:20,360 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:16:20,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:16:20,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:16:20,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:16:20,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:16:20" (1/1) ... [2019-11-24 16:16:20,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15e7e49e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:20, skipping insertion in model container [2019-11-24 16:16:20,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:16:20" (1/1) ... [2019-11-24 16:16:20,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:16:20,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:16:20,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:16:20,858 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:16:20,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:16:20,992 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:16:20,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:20 WrapperNode [2019-11-24 16:16:20,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:16:20,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:16:20,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:16:20,994 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:16:21,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:20" (1/1) ... [2019-11-24 16:16:21,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:20" (1/1) ... [2019-11-24 16:16:21,050 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:16:21,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:16:21,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:16:21,051 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:16:21,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:20" (1/1) ... [2019-11-24 16:16:21,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:20" (1/1) ... [2019-11-24 16:16:21,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:20" (1/1) ... [2019-11-24 16:16:21,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:20" (1/1) ... [2019-11-24 16:16:21,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:20" (1/1) ... [2019-11-24 16:16:21,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:20" (1/1) ... [2019-11-24 16:16:21,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:20" (1/1) ... [2019-11-24 16:16:21,089 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:16:21,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:16:21,090 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:16:21,090 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:16:21,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:20" (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 16:16:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 16:16:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 16:16:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 16:16:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 16:16:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 16:16:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 16:16:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 16:16:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-24 16:16:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:16:21,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:16:21,761 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:16:21,762 INFO L284 CfgBuilder]: Removed 22 assume(true) statements. [2019-11-24 16:16:21,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:16:21 BoogieIcfgContainer [2019-11-24 16:16:21,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:16:21,764 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:16:21,764 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:16:21,764 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:16:21,766 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:16:21" (1/1) ... [2019-11-24 16:16:21,766 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 16:16:21,793 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 16:16:21,794 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:16:21,803 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:16:21,816 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:16:21,817 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:16:22,318 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:23,178 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:23,620 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:24,484 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:24,649 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:25,247 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:25,586 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:25,634 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:25,906 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:26,335 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 235 [2019-11-24 16:16:26,610 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:26,650 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:26,675 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:26,700 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:26,724 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:27,181 WARN L192 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-11-24 16:16:27,513 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:27,618 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 272 [2019-11-24 16:16:27,736 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 272 [2019-11-24 16:16:27,824 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 11 [2019-11-24 16:16:29,994 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 11 [2019-11-24 16:16:33,256 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 234 [2019-11-24 16:16:33,468 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2019-11-24 16:16:33,764 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 296 [2019-11-24 16:16:34,083 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 288 [2019-11-24 16:16:34,827 WARN L192 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 407 [2019-11-24 16:16:35,606 WARN L192 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 400 [2019-11-24 16:16:37,418 WARN L192 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 724 DAG size of output: 639 [2019-11-24 16:16:38,998 WARN L192 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 623 DAG size of output: 620 [2019-11-24 16:16:42,823 WARN L192 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 1307 DAG size of output: 1144 [2019-11-24 16:16:47,894 WARN L192 SmtUtils]: Spent 3.90 s on a formula simplification. DAG size of input: 1110 DAG size of output: 1099 [2019-11-24 16:16:57,465 WARN L192 SmtUtils]: Spent 3.24 s on a formula simplification that was a NOOP. DAG size: 1094 [2019-11-24 16:17:02,644 WARN L192 SmtUtils]: Spent 4.18 s on a formula simplification. DAG size of input: 1095 DAG size of output: 1083 [2019-11-24 16:17:09,759 WARN L192 SmtUtils]: Spent 2.61 s on a formula simplification that was a NOOP. DAG size: 1075 [2019-11-24 16:17:13,834 WARN L192 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 1076 DAG size of output: 1076 [2019-11-24 16:17:18,327 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 16:17:18,345 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 16:17:18,346 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 16:17:18,347 INFO L168 Benchmark]: Toolchain (without parser) took 57987.63 ms. Allocated memory was 145.8 MB in the beginning and 1.7 GB in the end (delta: 1.6 GB). Free memory was 101.0 MB in the beginning and 671.8 MB in the end (delta: -570.8 MB). Peak memory consumption was 987.9 MB. Max. memory is 7.1 GB. [2019-11-24 16:17:18,350 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory is still 120.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-24 16:17:18,350 INFO L168 Benchmark]: CACSL2BoogieTranslator took 631.52 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 100.8 MB in the beginning and 168.6 MB in the end (delta: -67.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-11-24 16:17:18,351 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.87 ms. Allocated memory is still 203.9 MB. Free memory was 168.6 MB in the beginning and 166.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-11-24 16:17:18,351 INFO L168 Benchmark]: Boogie Preprocessor took 38.48 ms. Allocated memory is still 203.9 MB. Free memory was 166.7 MB in the beginning and 164.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-11-24 16:17:18,352 INFO L168 Benchmark]: RCFGBuilder took 674.03 ms. Allocated memory is still 203.9 MB. Free memory was 164.1 MB in the beginning and 126.4 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 7.1 GB. [2019-11-24 16:17:18,352 INFO L168 Benchmark]: Sifa took 56582.25 ms. Allocated memory was 203.9 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 126.4 MB in the beginning and 671.8 MB in the end (delta: -545.4 MB). Peak memory consumption was 955.1 MB. Max. memory is 7.1 GB. [2019-11-24 16:17:18,354 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 145.8 MB. Free memory is still 120.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 631.52 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 100.8 MB in the beginning and 168.6 MB in the end (delta: -67.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 56.87 ms. Allocated memory is still 203.9 MB. Free memory was 168.6 MB in the beginning and 166.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.48 ms. Allocated memory is still 203.9 MB. Free memory was 166.7 MB in the beginning and 164.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 674.03 ms. Allocated memory is still 203.9 MB. Free memory was 164.1 MB in the beginning and 126.4 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 7.1 GB. * Sifa took 56582.25 ms. Allocated memory was 203.9 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 126.4 MB in the beginning and 671.8 MB in the end (delta: -545.4 MB). Peak memory consumption was 955.1 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]: 56534, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 6, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 68, TOOLS_POST_TIME[ms]: 10090, 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: 68, TOOLS_QUANTIFIERELIM_TIME[ms]: 10005, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 3179, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 106, FLUID_YES_ANSWERS: 4, DOMAIN_JOIN_APPLICATIONS: 6, DOMAIN_JOIN_TIME[ms]: 511, DOMAIN_ALPHA_APPLICATIONS: 4, DOMAIN_ALPHA_TIME[ms]: 14485, DOMAIN_WIDEN_APPLICATIONS: 14, DOMAIN_WIDEN_TIME[ms]: 31035, DOMAIN_ISSUBSETEQ_APPLICATIONS: 17, DOMAIN_ISSUBSETEQ_TIME[ms]: 273, DOMAIN_ISBOTTOM_APPLICATIONS: 6, DOMAIN_ISBOTTOM_TIME[ms]: 25, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 49345, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 49344, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 17, 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]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 38, DAG_COMPRESSION_PROCESSED_NODES: 321, DAG_COMPRESSION_RETAINED_NODES: 43 - UnprovableResult [Line: 627]: 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 4816#(or (and (not (= ULTIMATE.start_main_~data~0 (select (select |#memory_int| ULTIMATE.start_main_~ptr~0.base) ULTIMATE.start_main_~ptr~0.offset))) (= (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~ptr~0.base) (+ ULTIMATE.start_main_~ptr~0.offset 4)) ULTIMATE.start_main_~temp~2.base) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~ptr~0.base) (+ ULTIMATE.start_main_~ptr~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~ptr~0.base) (+ ULTIMATE.start_main_~ptr~0.offset 4)) 0))) (= ULTIMATE.start_main_~temp~2.offset (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~ptr~0.base) (+ ULTIMATE.start_main_~ptr~0.offset 4)))) (and (not (= ULTIMATE.start_main_~count~0 (+ ULTIMATE.start_main_~len~0 1))) (= (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~ptr~0.base) (+ ULTIMATE.start_main_~ptr~0.offset 4)) 0) (= 0 (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~ptr~0.base) (+ ULTIMATE.start_main_~ptr~0.offset 4)))) (and (not (= ULTIMATE.start_main_~uneq~0 (select (select |#memory_int| ULTIMATE.start_main_~ptr~0.base) ULTIMATE.start_main_~ptr~0.offset))) (= (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~ptr~0.base) (+ ULTIMATE.start_main_~ptr~0.offset 4)) 0) (= 0 (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~ptr~0.base) (+ ULTIMATE.start_main_~ptr~0.offset 4))))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...