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_1122b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 08:41:25,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 08:41:25,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 08:41:25,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 08:41:25,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 08:41:25,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 08:41:25,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 08:41:25,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 08:41:25,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 08:41:25,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 08:41:25,255 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 08:41:25,257 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 08:41:25,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 08:41:25,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 08:41:25,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 08:41:25,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 08:41:25,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 08:41:25,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 08:41:25,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 08:41:25,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 08:41:25,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 08:41:25,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 08:41:25,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 08:41:25,270 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 08:41:25,272 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-06 08:41:25,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 08:41:25,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 08:41:25,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 08:41:25,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 08:41:25,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 08:41:25,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 08:41:25,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 08:41:25,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 08:41:25,280 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 08:41:25,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 08:41:25,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 08:41:25,282 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 08:41:25,297 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 08:41:25,297 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 08:41:25,299 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 08:41:25,299 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 08:41:25,299 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 08:41:25,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 08:41:25,299 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 08:41:25,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 08:41:25,300 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 08:41:25,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 08:41:25,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 08:41:25,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 08:41:25,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 08:41:25,301 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 08:41:25,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 08:41:25,301 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 08:41:25,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 08:41:25,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 08:41:25,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 08:41:25,302 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 08:41:25,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 08:41:25,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 08:41:25,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 08:41:25,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 08:41:25,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 08:41:25,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 08:41:25,303 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 08:41:25,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 08:41:25,304 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 08:41:25,332 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 08:41:25,344 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 08:41:25,347 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 08:41:25,349 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 08:41:25,349 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 08:41:25,350 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1122b.c [2019-09-06 08:41:25,406 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d88595ce/7ff47898359240348b2a1b2e6302cef8/FLAG038cee9ca [2019-09-06 08:41:25,831 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 08:41:25,832 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1122b.c [2019-09-06 08:41:25,840 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d88595ce/7ff47898359240348b2a1b2e6302cef8/FLAG038cee9ca [2019-09-06 08:41:26,228 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d88595ce/7ff47898359240348b2a1b2e6302cef8 [2019-09-06 08:41:26,240 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 08:41:26,242 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 08:41:26,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 08:41:26,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 08:41:26,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 08:41:26,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:41:26" (1/1) ... [2019-09-06 08:41:26,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c6d8772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:41:26, skipping insertion in model container [2019-09-06 08:41:26,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:41:26" (1/1) ... [2019-09-06 08:41:26,258 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 08:41:26,283 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 08:41:26,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:41:26,659 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 08:41:26,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:41:26,735 INFO L192 MainTranslator]: Completed translation [2019-09-06 08:41:26,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:41:26 WrapperNode [2019-09-06 08:41:26,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 08:41:26,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 08:41:26,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 08:41:26,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 08:41:26,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:41:26" (1/1) ... [2019-09-06 08:41:26,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:41:26" (1/1) ... [2019-09-06 08:41:26,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:41:26" (1/1) ... [2019-09-06 08:41:26,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:41:26" (1/1) ... [2019-09-06 08:41:26,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:41:26" (1/1) ... [2019-09-06 08:41:26,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:41:26" (1/1) ... [2019-09-06 08:41:26,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:41:26" (1/1) ... [2019-09-06 08:41:26,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 08:41:26,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 08:41:26,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 08:41:26,796 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 08:41:26,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:41:26" (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 [2019-09-06 08:41:26,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 08:41:26,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 08:41:26,855 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2019-09-06 08:41:26,856 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_double [2019-09-06 08:41:26,856 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 08:41:26,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 08:41:26,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-09-06 08:41:26,856 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2019-09-06 08:41:26,856 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_double [2019-09-06 08:41:26,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-06 08:41:26,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-06 08:41:26,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-06 08:41:26,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 08:41:26,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-06 08:41:26,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-06 08:41:26,858 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 08:41:26,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 08:41:26,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-09-06 08:41:26,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 08:41:27,415 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 08:41:27,415 INFO L283 CfgBuilder]: Removed 14 assume(true) statements. [2019-09-06 08:41:27,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:41:27 BoogieIcfgContainer [2019-09-06 08:41:27,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 08:41:27,422 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 08:41:27,422 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 08:41:27,423 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 08:41:27,427 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:41:27" (1/1) ... [2019-09-06 08:41:27,428 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 08:41:27,463 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 08:41:27,464 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 08:41:27,479 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 08:41:27,492 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 08:41:27,493 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 08:41:27,579 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-09-06 08:42:39,274 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 08:42:39,274 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 08:42:39,276 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 6131#(and (<= 0 |~#Zero_fmod~0.offset|) (<= |~#Zero_fmod~0.offset| 0) (<= ~one_fmod~0 1.0) (<= |#NULL.base| 0) (<= 1.0 ~one_fmod~0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-09-06 08:42:39,286 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 08:42:39,286 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 08:42:39,287 INFO L168 Benchmark]: Toolchain (without parser) took 73046.29 ms. Allocated memory was 140.0 MB in the beginning and 352.8 MB in the end (delta: 212.9 MB). Free memory was 87.4 MB in the beginning and 215.5 MB in the end (delta: -128.1 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. [2019-09-06 08:42:39,288 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 140.0 MB. Free memory is still 105.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-06 08:42:39,289 INFO L168 Benchmark]: CACSL2BoogieTranslator took 492.51 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 87.0 MB in the beginning and 175.3 MB in the end (delta: -88.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-09-06 08:42:39,290 INFO L168 Benchmark]: Boogie Preprocessor took 59.22 ms. Allocated memory is still 201.9 MB. Free memory was 175.3 MB in the beginning and 172.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-09-06 08:42:39,290 INFO L168 Benchmark]: RCFGBuilder took 626.51 ms. Allocated memory is still 201.9 MB. Free memory was 172.7 MB in the beginning and 140.5 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 7.1 GB. [2019-09-06 08:42:39,291 INFO L168 Benchmark]: Sifa took 71863.97 ms. Allocated memory was 201.9 MB in the beginning and 352.8 MB in the end (delta: 151.0 MB). Free memory was 139.6 MB in the beginning and 215.5 MB in the end (delta: -75.9 MB). Peak memory consumption was 75.0 MB. Max. memory is 7.1 GB. [2019-09-06 08:42:39,295 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 140.0 MB. Free memory is still 105.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 492.51 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 87.0 MB in the beginning and 175.3 MB in the end (delta: -88.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 59.22 ms. Allocated memory is still 201.9 MB. Free memory was 175.3 MB in the beginning and 172.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 626.51 ms. Allocated memory is still 201.9 MB. Free memory was 172.7 MB in the beginning and 140.5 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 7.1 GB. * Sifa took 71863.97 ms. Allocated memory was 201.9 MB in the beginning and 352.8 MB in the end (delta: 151.0 MB). Free memory was 139.6 MB in the beginning and 215.5 MB in the end (delta: -75.9 MB). Peak memory consumption was 75.0 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]: 71813, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 4493, DAG_INTERPRETER_EARLY_EXITS: 261, TOOLS_POST_APPLICATIONS: 4017, TOOLS_POST_TIME[ms]: 3374, TOOLS_POST_CALL_APPLICATIONS: 4, TOOLS_POST_CALL_TIME[ms]: 21, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 6, TOOLS_QUANTIFIERELIM_TIME[ms]: 2923, FLUID_QUERY_TIME[ms]: 42, FLUID_QUERIES: 5138, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 1790, DOMAIN_JOIN_TIME[ms]: 297, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 315, DOMAIN_WIDEN_TIME[ms]: 114, DOMAIN_ISSUBSETEQ_APPLICATIONS: 645, DOMAIN_ISSUBSETEQ_TIME[ms]: 846, DOMAIN_ISBOTTOM_APPLICATIONS: 1453, DOMAIN_ISBOTTOM_TIME[ms]: 66545, LOOP_SUMMARIZER_APPLICATIONS: 330, LOOP_SUMMARIZER_CACHE_MISSES: 330, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2163, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2158, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 645, CALL_SUMMARIZER_APPLICATIONS: 3, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 71715, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 16, DAG_COMPRESSION_TIME[ms]: 228, DAG_COMPRESSION_PROCESSED_NODES: 8425, DAG_COMPRESSION_RETAINED_NODES: 3183 - UnprovableResult [Line: 176]: 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 6131#(and (<= 0 |~#Zero_fmod~0.offset|) (<= |~#Zero_fmod~0.offset| 0) (<= ~one_fmod~0 1.0) (<= |#NULL.base| 0) (<= 1.0 ~one_fmod~0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...