/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_prepend_equal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:14:25,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:14:25,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:14:25,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:14:25,328 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:14:25,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:14:25,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:14:25,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:14:25,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:14:25,348 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:14:25,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:14:25,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:14:25,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:14:25,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:14:25,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:14:25,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:14:25,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:14:25,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:14:25,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:14:25,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:14:25,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:14:25,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:14:25,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:14:25,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:14:25,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 16:14:25,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 16:14:25,383 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 16:14:25,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 16:14:25,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 16:14:25,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 16:14:25,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:14:25,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:14:25,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:14:25,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:14:25,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:14:25,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:14:25,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:14:25,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:14:25,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:14:25,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:14:25,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:14:25,396 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 16:14:25,420 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:14:25,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:14:25,421 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:14:25,421 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:14:25,422 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:14:25,423 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:14:25,423 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:14:25,423 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:14:25,423 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:14:25,424 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:14:25,424 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:14:25,424 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:14:25,424 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:14:25,424 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:14:25,425 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:14:25,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:14:25,426 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:14:25,427 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:14:25,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:14:25,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:14:25,428 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:14:25,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:14:25,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:14:25,428 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:14:25,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:14:25,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:14:25,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:14:25,429 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:14:25,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:14:25,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:14:25,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:14:25,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:14:25,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:14:25,432 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:14:25,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:14:25,432 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:14:25,432 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:14:25,433 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:14:25,698 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:14:25,712 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:14:25,717 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:14:25,718 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:14:25,718 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:14:25,719 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_prepend_equal.i [2019-11-24 16:14:25,780 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b0ac5cc0/be8068a0079f4a3f95bc319ef19ef926/FLAGd368bad79 [2019-11-24 16:14:26,266 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:14:26,268 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_prepend_equal.i [2019-11-24 16:14:26,284 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b0ac5cc0/be8068a0079f4a3f95bc319ef19ef926/FLAGd368bad79 [2019-11-24 16:14:26,597 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b0ac5cc0/be8068a0079f4a3f95bc319ef19ef926 [2019-11-24 16:14:26,605 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:14:26,607 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:14:26,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:14:26,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:14:26,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:14:26,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:14:26" (1/1) ... [2019-11-24 16:14:26,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2284e115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:26, skipping insertion in model container [2019-11-24 16:14:26,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:14:26" (1/1) ... [2019-11-24 16:14:26,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:14:26,675 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:14:27,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:14:27,156 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:14:27,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:14:27,291 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:14:27,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:27 WrapperNode [2019-11-24 16:14:27,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:14:27,292 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:14:27,292 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:14:27,293 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:14:27,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:27" (1/1) ... [2019-11-24 16:14:27,319 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:27" (1/1) ... [2019-11-24 16:14:27,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:14:27,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:14:27,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:14:27,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:14:27,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:27" (1/1) ... [2019-11-24 16:14:27,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:27" (1/1) ... [2019-11-24 16:14:27,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:27" (1/1) ... [2019-11-24 16:14:27,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:27" (1/1) ... [2019-11-24 16:14:27,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:27" (1/1) ... [2019-11-24 16:14:27,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:27" (1/1) ... [2019-11-24 16:14:27,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:27" (1/1) ... [2019-11-24 16:14:27,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:14:27,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:14:27,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:14:27,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:14:27,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:27" (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 16:14:27,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 16:14:27,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 16:14:27,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 16:14:27,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 16:14:27,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 16:14:27,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 16:14:27,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 16:14:27,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-24 16:14:27,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:14:27,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:14:28,227 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:14:28,228 INFO L284 CfgBuilder]: Removed 19 assume(true) statements. [2019-11-24 16:14:28,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:14:28 BoogieIcfgContainer [2019-11-24 16:14:28,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:14:28,230 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:14:28,230 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:14:28,230 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:14:28,231 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:14:28" (1/1) ... [2019-11-24 16:14:28,232 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 16:14:28,264 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 16:14:28,264 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:14:28,271 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:14:28,279 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:14:28,281 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:14:28,730 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:14:29,199 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:14:29,735 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:14:30,381 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:14:30,563 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:14:31,319 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:14:31,878 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:14:31,893 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:14:32,662 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 420 [2019-11-24 16:14:33,218 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 429 [2019-11-24 16:14:33,429 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 430 [2019-11-24 16:14:33,973 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2019-11-24 16:14:34,137 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-11-24 16:14:34,299 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 443 [2019-11-24 16:14:34,738 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-11-24 16:14:34,778 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:14:34,807 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:14:35,782 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:14:35,817 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:14:35,842 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:14:36,245 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 13 [2019-11-24 16:14:38,031 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 13 [2019-11-24 16:14:40,936 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 16:14:40,950 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 16:14:40,950 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 16:14:40,952 INFO L168 Benchmark]: Toolchain (without parser) took 14344.76 ms. Allocated memory was 145.8 MB in the beginning and 448.8 MB in the end (delta: 303.0 MB). Free memory was 102.2 MB in the beginning and 413.0 MB in the end (delta: -310.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-11-24 16:14:40,957 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 145.8 MB. Free memory is still 121.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-24 16:14:40,958 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.22 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 102.2 MB in the beginning and 168.5 MB in the end (delta: -66.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-11-24 16:14:40,958 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.69 ms. Allocated memory is still 203.9 MB. Free memory was 168.5 MB in the beginning and 165.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-11-24 16:14:40,959 INFO L168 Benchmark]: Boogie Preprocessor took 32.19 ms. Allocated memory is still 203.9 MB. Free memory was 165.6 MB in the beginning and 164.7 MB in the end (delta: 954.6 kB). Peak memory consumption was 954.6 kB. Max. memory is 7.1 GB. [2019-11-24 16:14:40,960 INFO L168 Benchmark]: RCFGBuilder took 849.69 ms. Allocated memory is still 203.9 MB. Free memory was 163.7 MB in the beginning and 117.0 MB in the end (delta: 46.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 7.1 GB. [2019-11-24 16:14:40,961 INFO L168 Benchmark]: Sifa took 12720.28 ms. Allocated memory was 203.9 MB in the beginning and 448.8 MB in the end (delta: 244.8 MB). Free memory was 117.0 MB in the beginning and 413.0 MB in the end (delta: -296.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-11-24 16:14:40,969 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 145.8 MB. Free memory is still 121.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 684.22 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 102.2 MB in the beginning and 168.5 MB in the end (delta: -66.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 54.69 ms. Allocated memory is still 203.9 MB. Free memory was 168.5 MB in the beginning and 165.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 32.19 ms. Allocated memory is still 203.9 MB. Free memory was 165.6 MB in the beginning and 164.7 MB in the end (delta: 954.6 kB). Peak memory consumption was 954.6 kB. Max. memory is 7.1 GB. * RCFGBuilder took 849.69 ms. Allocated memory is still 203.9 MB. Free memory was 163.7 MB in the beginning and 117.0 MB in the end (delta: 46.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 7.1 GB. * Sifa took 12720.28 ms. Allocated memory was 203.9 MB in the beginning and 448.8 MB in the end (delta: 244.8 MB). Free memory was 117.0 MB in the beginning and 413.0 MB in the end (delta: -296.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 12673, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 3, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 21, TOOLS_POST_TIME[ms]: 7785, 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: 21, TOOLS_QUANTIFIERELIM_TIME[ms]: 7768, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 4199, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 34, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 3, DOMAIN_JOIN_TIME[ms]: 190, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 4474, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 108, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 37, DOMAIN_ISBOTTOM_APPLICATIONS: 3, DOMAIN_ISBOTTOM_TIME[ms]: 17, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1873, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1872, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 3, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 11, DAG_COMPRESSION_PROCESSED_NODES: 79, DAG_COMPRESSION_RETAINED_NODES: 27 - 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 1748#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...