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 IntervalDomain -i ../../../trunk/examples/svcomp/reducercommutativity/rangesum05.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-05 15:27:21,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 15:27:21,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 15:27:21,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 15:27:21,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 15:27:21,036 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 15:27:21,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 15:27:21,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 15:27:21,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 15:27:21,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 15:27:21,052 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 15:27:21,053 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 15:27:21,054 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 15:27:21,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 15:27:21,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 15:27:21,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 15:27:21,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 15:27:21,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 15:27:21,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 15:27:21,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 15:27:21,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 15:27:21,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 15:27:21,065 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 15:27:21,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 15:27:21,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-05 15:27:21,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 15:27:21,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 15:27:21,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 15:27:21,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 15:27:21,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 15:27:21,074 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 15:27:21,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 15:27:21,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 15:27:21,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 15:27:21,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 15:27:21,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 15:27:21,077 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 [2019-09-05 15:27:21,097 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 15:27:21,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 15:27:21,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-05 15:27:21,100 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-05 15:27:21,100 INFO L138 SettingsManager]: * Use SBE=true [2019-09-05 15:27:21,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 15:27:21,100 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 15:27:21,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-05 15:27:21,101 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 15:27:21,101 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 15:27:21,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 15:27:21,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 15:27:21,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 15:27:21,103 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 15:27:21,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 15:27:21,103 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-05 15:27:21,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 15:27:21,103 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 15:27:21,104 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 15:27:21,104 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-05 15:27:21,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-05 15:27:21,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 15:27:21,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 15:27:21,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 15:27:21,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-05 15:27:21,105 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-05 15:27:21,105 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 15:27:21,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 15:27:21,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-05 15:27:21,150 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 15:27:21,162 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 15:27:21,168 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 15:27:21,171 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 15:27:21,171 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 15:27:21,172 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/rangesum05.i [2019-09-05 15:27:21,237 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ec513848/3d355b0b1fee4c59a9046944baf01e9f/FLAG91773dac9 [2019-09-05 15:27:21,700 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 15:27:21,701 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/rangesum05.i [2019-09-05 15:27:21,708 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ec513848/3d355b0b1fee4c59a9046944baf01e9f/FLAG91773dac9 [2019-09-05 15:27:22,074 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ec513848/3d355b0b1fee4c59a9046944baf01e9f [2019-09-05 15:27:22,087 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 15:27:22,088 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 15:27:22,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 15:27:22,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 15:27:22,093 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 15:27:22,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 03:27:22" (1/1) ... [2019-09-05 15:27:22,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17c4b129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:22, skipping insertion in model container [2019-09-05 15:27:22,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 03:27:22" (1/1) ... [2019-09-05 15:27:22,103 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 15:27:22,118 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 15:27:22,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 15:27:22,295 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 15:27:22,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 15:27:22,432 INFO L192 MainTranslator]: Completed translation [2019-09-05 15:27:22,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:22 WrapperNode [2019-09-05 15:27:22,433 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 15:27:22,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 15:27:22,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 15:27:22,434 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 15:27:22,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:22" (1/1) ... [2019-09-05 15:27:22,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:22" (1/1) ... [2019-09-05 15:27:22,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:22" (1/1) ... [2019-09-05 15:27:22,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:22" (1/1) ... [2019-09-05 15:27:22,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:22" (1/1) ... [2019-09-05 15:27:22,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:22" (1/1) ... [2019-09-05 15:27:22,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:22" (1/1) ... [2019-09-05 15:27:22,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 15:27:22,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 15:27:22,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 15:27:22,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 15:27:22,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:22" (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 [2019-09-05 15:27:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 15:27:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 15:27:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure init_nondet [2019-09-05 15:27:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure rangesum [2019-09-05 15:27:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 15:27:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 15:27:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 15:27:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure init_nondet [2019-09-05 15:27:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-05 15:27:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure rangesum [2019-09-05 15:27:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-05 15:27:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 15:27:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-05 15:27:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-05 15:27:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 15:27:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 15:27:22,850 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 15:27:22,851 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-05 15:27:22,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 03:27:22 BoogieIcfgContainer [2019-09-05 15:27:22,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 15:27:22,855 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-05 15:27:22,855 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-05 15:27:22,855 INFO L275 PluginConnector]: Sifa initialized [2019-09-05 15:27:22,856 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 03:27:22" (1/1) ... [2019-09-05 15:27:22,857 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-05 15:27:22,882 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-05 15:27:22,882 INFO L169 IcfgInterpreter]: Building call graph [2019-09-05 15:27:22,890 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-05 15:27:22,899 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-05 15:27:22,901 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-05 15:27:22,969 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-09-05 15:27:23,717 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-05 15:27:23,717 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-05 15:27:23,719 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 124#(and (<= 0 (+ main_~ret2~0 2147483648)) (<= |#NULL.base| 0) (<= 4 main_~i~2) (<= main_~ret5~0 2147483647) (<= 0 |#NULL.base|) (<= 0 (+ main_~ret5~0 2147483648)) (<= 0 |main_~#x~0.offset|) (<= |main_~#x~0.offset| 0) (<= main_~ret2~0 2147483647) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 (+ main_~ret~1 2147483648)) (<= main_~ret~1 2147483647)) [2019-09-05 15:27:23,731 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-05 15:27:23,732 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-05 15:27:23,734 INFO L168 Benchmark]: Toolchain (without parser) took 1645.49 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 86.9 MB in the beginning and 91.8 MB in the end (delta: -5.0 MB). Peak memory consumption was 62.1 MB. Max. memory is 7.1 GB. [2019-09-05 15:27:23,735 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 132.1 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-05 15:27:23,736 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.25 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 86.7 MB in the beginning and 176.0 MB in the end (delta: -89.4 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-09-05 15:27:23,736 INFO L168 Benchmark]: Boogie Preprocessor took 43.25 ms. Allocated memory is still 199.2 MB. Free memory was 176.0 MB in the beginning and 173.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-05 15:27:23,737 INFO L168 Benchmark]: RCFGBuilder took 376.51 ms. Allocated memory is still 199.2 MB. Free memory was 173.7 MB in the beginning and 156.6 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. [2019-09-05 15:27:23,738 INFO L168 Benchmark]: Sifa took 877.45 ms. Allocated memory is still 199.2 MB. Free memory was 156.6 MB in the beginning and 91.8 MB in the end (delta: 64.7 MB). Peak memory consumption was 64.7 MB. Max. memory is 7.1 GB. [2019-09-05 15:27:23,741 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 132.1 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 344.25 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 86.7 MB in the beginning and 176.0 MB in the end (delta: -89.4 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.25 ms. Allocated memory is still 199.2 MB. Free memory was 176.0 MB in the beginning and 173.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 376.51 ms. Allocated memory is still 199.2 MB. Free memory was 173.7 MB in the beginning and 156.6 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. * Sifa took 877.45 ms. Allocated memory is still 199.2 MB. Free memory was 156.6 MB in the beginning and 91.8 MB in the end (delta: 64.7 MB). Peak memory consumption was 64.7 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]: 838, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 89, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 70, TOOLS_POST_TIME[ms]: 411, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 139, TOOLS_POST_RETURN_APPLICATIONS: 5, TOOLS_POST_RETURN_TIME[ms]: 19, TOOLS_QUANTIFIERELIM_TIME[ms]: 532, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 99, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 34, DOMAIN_JOIN_TIME[ms]: 73, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 21, DOMAIN_ISSUBSETEQ_APPLICATIONS: 12, DOMAIN_ISSUBSETEQ_TIME[ms]: 37, DOMAIN_ISBOTTOM_APPLICATIONS: 17, DOMAIN_ISBOTTOM_TIME[ms]: 47, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 336, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 335, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 5, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 253, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 20, DAG_COMPRESSION_PROCESSED_NODES: 144, DAG_COMPRESSION_RETAINED_NODES: 76 - UnprovableResult [Line: 50]: 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 124#(and (<= 0 (+ main_~ret2~0 2147483648)) (<= |#NULL.base| 0) (<= 4 main_~i~2) (<= main_~ret5~0 2147483647) (<= 0 |#NULL.base|) (<= 0 (+ main_~ret5~0 2147483648)) (<= 0 |main_~#x~0.offset|) (<= |main_~#x~0.offset| 0) (<= main_~ret2~0 2147483647) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 (+ main_~ret~1 2147483648)) (<= main_~ret~1 2147483647)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...