java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/reducercommutativity/sep10-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 22:25:25,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:25:25,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:25:25,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:25:25,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:25:25,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:25:25,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:25:25,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:25:25,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:25:25,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:25:25,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:25:25,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:25:25,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:25:25,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:25:25,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:25:25,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:25:25,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:25:25,524 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:25:25,526 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:25:25,529 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:25:25,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:25:25,533 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:25:25,535 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:25:25,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:25:25,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 22:25:25,546 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 22:25:25,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 22:25:25,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 22:25:25,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 22:25:25,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 22:25:25,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 22:25:25,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 22:25:25,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 22:25:25,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:25:25,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:25:25,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:25:25,556 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 22:25:25,575 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:25:25,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:25:25,578 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:25:25,578 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:25:25,578 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:25:25,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:25:25,579 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:25:25,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:25:25,579 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:25:25,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:25:25,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:25:25,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:25:25,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:25:25,581 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:25:25,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:25:25,582 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:25:25,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:25:25,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:25:25,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:25:25,583 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:25:25,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:25:25,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:25:25,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:25:25,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:25:25,584 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:25:25,584 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:25:25,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:25:25,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:25:25,584 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 22:25:25,634 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:25:25,646 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:25:25,649 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:25:25,650 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:25:25,651 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:25:25,652 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/sep10-2.i [2019-09-20 22:25:25,709 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41839f18a/1d9005ffb1f242e4898f7019ba2ef4e5/FLAG4ae866b6f [2019-09-20 22:25:26,158 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:25:26,159 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/sep10-2.i [2019-09-20 22:25:26,165 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41839f18a/1d9005ffb1f242e4898f7019ba2ef4e5/FLAG4ae866b6f [2019-09-20 22:25:26,503 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41839f18a/1d9005ffb1f242e4898f7019ba2ef4e5 [2019-09-20 22:25:26,515 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:25:26,517 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:25:26,518 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:25:26,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:25:26,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:25:26,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:25:26" (1/1) ... [2019-09-20 22:25:26,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78b1171c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:26, skipping insertion in model container [2019-09-20 22:25:26,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:25:26" (1/1) ... [2019-09-20 22:25:26,531 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:25:26,547 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:25:26,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:25:26,743 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:25:26,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:25:26,784 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:25:26,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:26 WrapperNode [2019-09-20 22:25:26,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:25:26,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:25:26,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:25:26,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:25:26,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:26" (1/1) ... [2019-09-20 22:25:26,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:26" (1/1) ... [2019-09-20 22:25:26,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:26" (1/1) ... [2019-09-20 22:25:26,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:26" (1/1) ... [2019-09-20 22:25:26,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:26" (1/1) ... [2019-09-20 22:25:26,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:26" (1/1) ... [2019-09-20 22:25:26,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:26" (1/1) ... [2019-09-20 22:25:26,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:25:26,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:25:26,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:25:26,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:25:26,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:26" (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 [2019-09-20 22:25:26,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:25:26,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:25:26,986 INFO L138 BoogieDeclarations]: Found implementation of procedure sep [2019-09-20 22:25:26,986 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:25:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:25:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 22:25:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure sep [2019-09-20 22:25:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 22:25:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:25:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 22:25:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 22:25:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 22:25:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:25:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:25:27,395 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:25:27,395 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 22:25:27,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:25:27 BoogieIcfgContainer [2019-09-20 22:25:27,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:25:27,397 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:25:27,397 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:25:27,398 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:25:27,399 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:25:27" (1/1) ... [2019-09-20 22:25:27,400 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=AlwaysFluid [2019-09-20 22:25:27,421 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:25:27,422 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:25:27,431 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:25:27,444 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:25:27,447 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:25:27,631 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 10 for LOIs [2019-09-20 22:25:28,018 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 22:25:28,018 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 22:25:28,020 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 62#true [2019-09-20 22:25:28,031 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 22:25:28,031 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 22:25:28,033 INFO L168 Benchmark]: Toolchain (without parser) took 1516.30 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 90.6 MB in the beginning and 115.4 MB in the end (delta: -24.7 MB). Peak memory consumption was 41.8 MB. Max. memory is 7.1 GB. [2019-09-20 22:25:28,034 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 22:25:28,035 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.71 ms. Allocated memory is still 134.2 MB. Free memory was 90.2 MB in the beginning and 80.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-09-20 22:25:28,036 INFO L168 Benchmark]: Boogie Preprocessor took 142.75 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 80.1 MB in the beginning and 176.7 MB in the end (delta: -96.7 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-09-20 22:25:28,037 INFO L168 Benchmark]: RCFGBuilder took 468.02 ms. Allocated memory is still 200.8 MB. Free memory was 176.7 MB in the beginning and 153.9 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2019-09-20 22:25:28,037 INFO L168 Benchmark]: Sifa took 634.22 ms. Allocated memory is still 200.8 MB. Free memory was 153.9 MB in the beginning and 115.4 MB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. [2019-09-20 22:25:28,041 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 267.71 ms. Allocated memory is still 134.2 MB. Free memory was 90.2 MB in the beginning and 80.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 142.75 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 80.1 MB in the beginning and 176.7 MB in the end (delta: -96.7 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 468.02 ms. Allocated memory is still 200.8 MB. Free memory was 176.7 MB in the beginning and 153.9 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Sifa took 634.22 ms. Allocated memory is still 200.8 MB. Free memory was 153.9 MB in the beginning and 115.4 MB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 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]: 599, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 22, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 14, TOOLS_POST_TIME[ms]: 283, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 23, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 21, TOOLS_QUANTIFIERELIM_APPLICATIONS: 23, TOOLS_QUANTIFIERELIM_TIME[ms]: 306, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 87, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 25, FLUID_YES_ANSWERS: 25, DOMAIN_JOIN_APPLICATIONS: 6, DOMAIN_JOIN_TIME[ms]: 120, DOMAIN_ALPHA_APPLICATIONS: 25, DOMAIN_ALPHA_TIME[ms]: 70, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 3, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 159, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 158, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 171, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 171, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 2, DAG_COMPRESSION_TIME[ms]: 13, DAG_COMPRESSION_PROCESSED_NODES: 72, DAG_COMPRESSION_RETAINED_NODES: 35 - UnprovableResult [Line: 42]: 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 62#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...