/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/loop-crafted/simple_array_index_value_4.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:22:36,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:22:36,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:22:36,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:22:36,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:22:36,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:22:36,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:22:36,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:22:36,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:22:36,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:22:36,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:22:36,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:22:36,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:22:36,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:22:36,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:22:36,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:22:36,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:22:36,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:22:36,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:22:36,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:22:36,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:22:36,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:22:36,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:22:36,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:22:36,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 16:22:36,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:22:36,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:22:36,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:22:36,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:22:36,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:22:36,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:22:36,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:22:36,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:22:36,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:22:36,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:22:36,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:22:36,445 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 16:22:36,460 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:22:36,460 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:22:36,461 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:22:36,461 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:22:36,462 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:22:36,462 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:22:36,462 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:22:36,462 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:22:36,463 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:22:36,463 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:22:36,463 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:22:36,463 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:22:36,463 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:22:36,464 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:22:36,464 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:22:36,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:22:36,465 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:22:36,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:22:36,465 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:22:36,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:22:36,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:22:36,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:22:36,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:22:36,466 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:22:36,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:22:36,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:22:36,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:22:36,467 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:22:36,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:22:36,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:22:36,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:22:36,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:22:36,468 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:22:36,468 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:22:36,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:22:36,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:22:36,469 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:22:36,469 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:22:36,727 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:22:36,739 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:22:36,742 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:22:36,744 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:22:36,744 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:22:36,745 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i [2019-11-24 16:22:36,822 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4914c086e/6bc5ce4263ba409b8af2bdd406c1df42/FLAG8f9489457 [2019-11-24 16:22:37,293 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:22:37,294 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i [2019-11-24 16:22:37,301 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4914c086e/6bc5ce4263ba409b8af2bdd406c1df42/FLAG8f9489457 [2019-11-24 16:22:37,656 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4914c086e/6bc5ce4263ba409b8af2bdd406c1df42 [2019-11-24 16:22:37,664 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:22:37,665 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:22:37,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:22:37,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:22:37,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:22:37,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:22:37" (1/1) ... [2019-11-24 16:22:37,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50346e1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:22:37, skipping insertion in model container [2019-11-24 16:22:37,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:22:37" (1/1) ... [2019-11-24 16:22:37,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:22:37,699 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:22:37,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:22:37,899 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:22:37,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:22:37,942 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:22:37,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:22:37 WrapperNode [2019-11-24 16:22:37,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:22:37,943 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:22:37,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:22:37,943 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:22:38,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:22:37" (1/1) ... [2019-11-24 16:22:38,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:22:37" (1/1) ... [2019-11-24 16:22:38,064 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:22:38,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:22:38,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:22:38,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:22:38,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:22:37" (1/1) ... [2019-11-24 16:22:38,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:22:37" (1/1) ... [2019-11-24 16:22:38,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:22:37" (1/1) ... [2019-11-24 16:22:38,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:22:37" (1/1) ... [2019-11-24 16:22:38,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:22:37" (1/1) ... [2019-11-24 16:22:38,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:22:37" (1/1) ... [2019-11-24 16:22:38,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:22:37" (1/1) ... [2019-11-24 16:22:38,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:22:38,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:22:38,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:22:38,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:22:38,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:22:37" (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 16:22:38,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:22:38,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:22:38,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 16:22:38,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 16:22:38,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 16:22:38,474 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:22:38,474 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-24 16:22:38,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:22:38 BoogieIcfgContainer [2019-11-24 16:22:38,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:22:38,477 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:22:38,477 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:22:38,477 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:22:38,479 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:22:38" (1/1) ... [2019-11-24 16:22:38,479 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 16:22:38,507 INFO L159 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-11-24 16:22:38,507 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:22:38,515 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:22:38,522 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:22:38,524 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:22:40,422 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5856 conjuctions. This might take some time... [2019-11-24 16:22:43,618 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5856 conjuctions. This might take some time... [2019-11-24 16:22:48,424 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 16:22:48,444 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 16:22:48,445 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 16:22:48,448 INFO L168 Benchmark]: Toolchain (without parser) took 10781.15 ms. Allocated memory was 135.3 MB in the beginning and 534.2 MB in the end (delta: 399.0 MB). Free memory was 100.0 MB in the beginning and 149.2 MB in the end (delta: -49.2 MB). Peak memory consumption was 349.8 MB. Max. memory is 7.1 GB. [2019-11-24 16:22:48,450 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 135.3 MB. Free memory was 118.5 MB in the beginning and 118.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 16:22:48,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.59 ms. Allocated memory is still 135.3 MB. Free memory was 99.6 MB in the beginning and 89.3 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-11-24 16:22:48,453 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.68 ms. Allocated memory was 135.3 MB in the beginning and 198.2 MB in the end (delta: 62.9 MB). Free memory was 89.3 MB in the beginning and 175.5 MB in the end (delta: -86.2 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2019-11-24 16:22:48,454 INFO L168 Benchmark]: Boogie Preprocessor took 26.30 ms. Allocated memory is still 198.2 MB. Free memory was 175.5 MB in the beginning and 174.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-11-24 16:22:48,460 INFO L168 Benchmark]: RCFGBuilder took 385.68 ms. Allocated memory is still 198.2 MB. Free memory was 174.1 MB in the beginning and 157.6 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2019-11-24 16:22:48,461 INFO L168 Benchmark]: Sifa took 9967.99 ms. Allocated memory was 198.2 MB in the beginning and 534.2 MB in the end (delta: 336.1 MB). Free memory was 157.6 MB in the beginning and 149.2 MB in the end (delta: 8.4 MB). Peak memory consumption was 344.5 MB. Max. memory is 7.1 GB. [2019-11-24 16:22:48,473 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 135.3 MB. Free memory was 118.5 MB in the beginning and 118.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 276.59 ms. Allocated memory is still 135.3 MB. Free memory was 99.6 MB in the beginning and 89.3 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 120.68 ms. Allocated memory was 135.3 MB in the beginning and 198.2 MB in the end (delta: 62.9 MB). Free memory was 89.3 MB in the beginning and 175.5 MB in the end (delta: -86.2 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.30 ms. Allocated memory is still 198.2 MB. Free memory was 175.5 MB in the beginning and 174.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 385.68 ms. Allocated memory is still 198.2 MB. Free memory was 174.1 MB in the beginning and 157.6 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. * Sifa took 9967.99 ms. Allocated memory was 198.2 MB in the beginning and 534.2 MB in the end (delta: 336.1 MB). Free memory was 157.6 MB in the beginning and 149.2 MB in the end (delta: 8.4 MB). Peak memory consumption was 344.5 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]: 9918, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 3, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 36, TOOLS_POST_TIME[ms]: 291, 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: 24, TOOLS_QUANTIFIERELIM_TIME[ms]: 267, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 156, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 59, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 1, DOMAIN_JOIN_TIME[ms]: 95, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 7240, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 1055, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 38, DOMAIN_ISBOTTOM_APPLICATIONS: 3, DOMAIN_ISBOTTOM_TIME[ms]: 1109, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 8456, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8455, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 3, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 32, DAG_COMPRESSION_PROCESSED_NODES: 256, DAG_COMPRESSION_RETAINED_NODES: 52 - UnprovableResult [Line: 12]: 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 2770#(and (<= ULTIMATE.start_main_~loop_entered~0 1) (<= |#NULL.base| 0) (<= ULTIMATE.start___VERIFIER_assert_~cond 1) (<= 0 |#NULL.base|) (<= 0 ULTIMATE.start_main_~loop_entered~0) (<= 0 |ULTIMATE.start_main_~#array~0.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (<= 0 ULTIMATE.start___VERIFIER_assert_~cond) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond|) (<= |ULTIMATE.start_main_~#array~0.offset| 0) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (<= 0 |ULTIMATE.start_main_~#array~0.offset|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond| 1)). Possible FailurePath: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...