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/float-newlib/double_req_bl_1252b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 08:42:03,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 08:42:03,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 08:42:04,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 08:42:04,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 08:42:04,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 08:42:04,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 08:42:04,030 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 08:42:04,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 08:42:04,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 08:42:04,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 08:42:04,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 08:42:04,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 08:42:04,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 08:42:04,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 08:42:04,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 08:42:04,047 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 08:42:04,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 08:42:04,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 08:42:04,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 08:42:04,062 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 08:42:04,063 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 08:42:04,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 08:42:04,065 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 08:42:04,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-06 08:42:04,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 08:42:04,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 08:42:04,071 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 08:42:04,072 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 08:42:04,073 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 08:42:04,073 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 08:42:04,074 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 08:42:04,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 08:42:04,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 08:42:04,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 08:42:04,076 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 08:42:04,076 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 [2019-09-06 08:42:04,094 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 08:42:04,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 08:42:04,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 08:42:04,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 08:42:04,098 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 08:42:04,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 08:42:04,098 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 08:42:04,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 08:42:04,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 08:42:04,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 08:42:04,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 08:42:04,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 08:42:04,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 08:42:04,101 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 08:42:04,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 08:42:04,101 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 08:42:04,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 08:42:04,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 08:42:04,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 08:42:04,102 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 08:42:04,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 08:42:04,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 08:42:04,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 08:42:04,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 08:42:04,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 08:42:04,103 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 08:42:04,104 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 08:42:04,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 08:42:04,104 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 [2019-09-06 08:42:04,154 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 08:42:04,169 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 08:42:04,176 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 08:42:04,178 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 08:42:04,178 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 08:42:04,179 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1252b.c [2019-09-06 08:42:04,261 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8240ac932/46cd1612265c4eb1a5706f94e6ea3d37/FLAG44e55ea68 [2019-09-06 08:42:04,711 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 08:42:04,713 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1252b.c [2019-09-06 08:42:04,721 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8240ac932/46cd1612265c4eb1a5706f94e6ea3d37/FLAG44e55ea68 [2019-09-06 08:42:05,083 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8240ac932/46cd1612265c4eb1a5706f94e6ea3d37 [2019-09-06 08:42:05,094 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 08:42:05,096 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 08:42:05,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 08:42:05,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 08:42:05,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 08:42:05,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:42:05" (1/1) ... [2019-09-06 08:42:05,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49e5ebd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:42:05, skipping insertion in model container [2019-09-06 08:42:05,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:42:05" (1/1) ... [2019-09-06 08:42:05,112 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 08:42:05,132 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 08:42:05,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:42:05,302 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 08:42:05,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:42:05,428 INFO L192 MainTranslator]: Completed translation [2019-09-06 08:42:05,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:42:05 WrapperNode [2019-09-06 08:42:05,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 08:42:05,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 08:42:05,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 08:42:05,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 08:42:05,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:42:05" (1/1) ... [2019-09-06 08:42:05,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:42:05" (1/1) ... [2019-09-06 08:42:05,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:42:05" (1/1) ... [2019-09-06 08:42:05,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:42:05" (1/1) ... [2019-09-06 08:42:05,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:42:05" (1/1) ... [2019-09-06 08:42:05,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:42:05" (1/1) ... [2019-09-06 08:42:05,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:42:05" (1/1) ... [2019-09-06 08:42:05,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 08:42:05,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 08:42:05,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 08:42:05,473 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 08:42:05,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:42:05" (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 [2019-09-06 08:42:05,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 08:42:05,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 08:42:05,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2019-09-06 08:42:05,535 INFO L138 BoogieDeclarations]: Found implementation of procedure fmax_double [2019-09-06 08:42:05,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2019-09-06 08:42:05,535 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 08:42:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 08:42:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-09-06 08:42:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2019-09-06 08:42:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-06 08:42:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-06 08:42:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-06 08:42:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 08:42:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure fmax_double [2019-09-06 08:42:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2019-09-06 08:42:05,537 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 08:42:05,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 08:42:05,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 08:42:05,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-06 08:42:05,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-06 08:42:05,928 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 08:42:05,928 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-06 08:42:05,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:42:05 BoogieIcfgContainer [2019-09-06 08:42:05,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 08:42:05,930 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 08:42:05,930 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 08:42:05,930 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 08:42:05,932 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:42:05" (1/1) ... [2019-09-06 08:42:05,932 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 [2019-09-06 08:42:05,961 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 08:42:05,961 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 08:42:05,975 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 08:42:05,987 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 08:42:05,988 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 08:42:06,061 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 20 for LOIs [2019-09-06 08:42:06,462 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 08:42:06,462 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 08:42:06,464 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 103#(and (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= main_~x~0 0.0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0.0 main_~x~0)) [2019-09-06 08:42:06,477 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 08:42:06,477 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 08:42:06,479 INFO L168 Benchmark]: Toolchain (without parser) took 1383.58 ms. Allocated memory was 134.2 MB in the beginning and 199.8 MB in the end (delta: 65.5 MB). Free memory was 88.7 MB in the beginning and 123.6 MB in the end (delta: -34.9 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. [2019-09-06 08:42:06,481 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 08:42:06,482 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.83 ms. Allocated memory was 134.2 MB in the beginning and 199.8 MB in the end (delta: 65.5 MB). Free memory was 88.4 MB in the beginning and 175.4 MB in the end (delta: -86.9 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2019-09-06 08:42:06,483 INFO L168 Benchmark]: Boogie Preprocessor took 42.89 ms. Allocated memory is still 199.8 MB. Free memory was 175.4 MB in the beginning and 173.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-06 08:42:06,484 INFO L168 Benchmark]: RCFGBuilder took 456.71 ms. Allocated memory is still 199.8 MB. Free memory was 173.0 MB in the beginning and 153.7 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. [2019-09-06 08:42:06,485 INFO L168 Benchmark]: Sifa took 547.46 ms. Allocated memory is still 199.8 MB. Free memory was 153.7 MB in the beginning and 123.6 MB in the end (delta: 30.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. [2019-09-06 08:42:06,489 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 332.83 ms. Allocated memory was 134.2 MB in the beginning and 199.8 MB in the end (delta: 65.5 MB). Free memory was 88.4 MB in the beginning and 175.4 MB in the end (delta: -86.9 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.89 ms. Allocated memory is still 199.8 MB. Free memory was 175.4 MB in the beginning and 173.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 456.71 ms. Allocated memory is still 199.8 MB. Free memory was 173.0 MB in the beginning and 153.7 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. * Sifa took 547.46 ms. Allocated memory is still 199.8 MB. Free memory was 153.7 MB in the beginning and 123.6 MB in the end (delta: 30.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 504, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 75, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 64, TOOLS_POST_TIME[ms]: 222, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 36, TOOLS_POST_RETURN_APPLICATIONS: 5, TOOLS_POST_RETURN_TIME[ms]: 19, TOOLS_QUANTIFIERELIM_TIME[ms]: 236, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 78, FLUID_YES_ANSWERS: 4, DOMAIN_JOIN_APPLICATIONS: 22, DOMAIN_JOIN_TIME[ms]: 59, DOMAIN_ALPHA_APPLICATIONS: 4, DOMAIN_ALPHA_TIME[ms]: 11, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 15, DOMAIN_ISBOTTOM_TIME[ms]: 43, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 119, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 118, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 5, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 386, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 22, DAG_COMPRESSION_PROCESSED_NODES: 137, DAG_COMPRESSION_RETAINED_NODES: 71 - UnprovableResult [Line: 85]: 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 103#(and (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= main_~x~0 0.0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0.0 main_~x~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...