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 SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique NONE -i ../../../trunk/examples/svcomp/loops/lu.cmp.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:04:11,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:04:11,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:04:11,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:04:11,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:04:11,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:04:11,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:04:11,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:04:12,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:04:12,002 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:04:12,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:04:12,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:04:12,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:04:12,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:04:12,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:04:12,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:04:12,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:04:12,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:04:12,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:04:12,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:04:12,027 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:04:12,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:04:12,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:04:12,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:04:12,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:04:12,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:04:12,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:04:12,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:04:12,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:04:12,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:04:12,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:04:12,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:04:12,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:04:12,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:04:12,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:04:12,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:04:12,045 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:04:12,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:04:12,046 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:04:12,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:04:12,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:04:12,048 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 15:04:12,081 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:04:12,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:04:12,086 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:04:12,086 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:04:12,086 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:04:12,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:04:12,087 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:04:12,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:04:12,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:04:12,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:04:12,088 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:04:12,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:04:12,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:04:12,088 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:04:12,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:04:12,088 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:04:12,089 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:04:12,089 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:04:12,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:04:12,092 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:04:12,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:04:12,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:04:12,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:04:12,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:04:12,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:04:12,093 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:04:12,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:04:12,093 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:04:12,094 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 -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> NONE [2019-09-20 15:04:12,145 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:04:12,159 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:04:12,162 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:04:12,164 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:04:12,164 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:04:12,165 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/lu.cmp.c [2019-09-20 15:04:12,228 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea550c1cc/2eabf7e2646848d1a706b1db63d4e45e/FLAG3201a8102 [2019-09-20 15:04:12,698 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:04:12,698 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/lu.cmp.c [2019-09-20 15:04:12,710 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea550c1cc/2eabf7e2646848d1a706b1db63d4e45e/FLAG3201a8102 [2019-09-20 15:04:13,045 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea550c1cc/2eabf7e2646848d1a706b1db63d4e45e [2019-09-20 15:04:13,055 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:04:13,056 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:04:13,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:04:13,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:04:13,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:04:13,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:04:13" (1/1) ... [2019-09-20 15:04:13,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15dceee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:04:13, skipping insertion in model container [2019-09-20 15:04:13,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:04:13" (1/1) ... [2019-09-20 15:04:13,072 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:04:13,094 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:04:13,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:04:13,362 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:04:13,501 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:04:13,521 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:04:13,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:04:13 WrapperNode [2019-09-20 15:04:13,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:04:13,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:04:13,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:04:13,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:04:13,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:04:13" (1/1) ... [2019-09-20 15:04:13,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:04:13" (1/1) ... [2019-09-20 15:04:13,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:04:13" (1/1) ... [2019-09-20 15:04:13,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:04:13" (1/1) ... [2019-09-20 15:04:13,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:04:13" (1/1) ... [2019-09-20 15:04:13,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:04:13" (1/1) ... [2019-09-20 15:04:13,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:04:13" (1/1) ... [2019-09-20 15:04:13,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:04:13,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:04:13,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:04:13,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:04:13,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:04:13" (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 15:04:13,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:04:13,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:04:13,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 15:04:13,641 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs [2019-09-20 15:04:13,641 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:04:13,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ludcmp [2019-09-20 15:04:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:04:13,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 15:04:13,642 INFO L130 BoogieDeclarations]: Found specification of procedure ludcmp [2019-09-20 15:04:13,642 INFO L130 BoogieDeclarations]: Found specification of procedure fabs [2019-09-20 15:04:13,642 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:04:13,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-20 15:04:13,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-20 15:04:13,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:04:13,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:04:13,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:04:13,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:04:14,319 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:04:14,319 INFO L283 CfgBuilder]: Removed 11 assume(true) statements. [2019-09-20 15:04:14,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:04:14 BoogieIcfgContainer [2019-09-20 15:04:14,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:04:14,321 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:04:14,321 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:04:14,322 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:04:14,323 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:04:14" (1/1) ... [2019-09-20 15:04:14,324 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:04:14,349 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:04:14,349 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:04:14,358 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:04:14,367 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:04:14,369 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:04:14,598 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 61 for LOIs [2019-09-20 15:04:14,844 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 15:04:14,845 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:04:14,846 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:04:14,848 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 69#(and (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 15:04:14,861 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:04:14,862 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:04:14,864 INFO L168 Benchmark]: Toolchain (without parser) took 1807.81 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 88.1 MB in the beginning and 89.8 MB in the end (delta: -1.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:04:14,865 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 132.6 MB. Free memory is still 106.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 15:04:14,866 INFO L168 Benchmark]: CACSL2BoogieTranslator took 464.96 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 87.7 MB in the beginning and 174.3 MB in the end (delta: -86.6 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:04:14,867 INFO L168 Benchmark]: Boogie Preprocessor took 54.37 ms. Allocated memory is still 199.2 MB. Free memory was 174.3 MB in the beginning and 171.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:04:14,867 INFO L168 Benchmark]: RCFGBuilder took 743.85 ms. Allocated memory is still 199.2 MB. Free memory was 171.5 MB in the beginning and 126.7 MB in the end (delta: 44.8 MB). Peak memory consumption was 44.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:04:14,868 INFO L168 Benchmark]: Sifa took 540.91 ms. Allocated memory is still 199.2 MB. Free memory was 126.7 MB in the beginning and 89.8 MB in the end (delta: 36.9 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:04:14,871 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 132.6 MB. Free memory is still 106.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 464.96 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 87.7 MB in the beginning and 174.3 MB in the end (delta: -86.6 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 54.37 ms. Allocated memory is still 199.2 MB. Free memory was 174.3 MB in the beginning and 171.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 743.85 ms. Allocated memory is still 199.2 MB. Free memory was 171.5 MB in the beginning and 126.7 MB in the end (delta: 44.8 MB). Peak memory consumption was 44.8 MB. Max. memory is 7.1 GB. * Sifa took 540.91 ms. Allocated memory is still 199.2 MB. Free memory was 126.7 MB in the beginning and 89.8 MB in the end (delta: 36.9 MB). Peak memory consumption was 36.9 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]: 499, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 28, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 21, TOOLS_POST_TIME[ms]: 361, TOOLS_POST_CALL_APPLICATIONS: 4, TOOLS_POST_CALL_TIME[ms]: 23, TOOLS_POST_RETURN_APPLICATIONS: 2, TOOLS_POST_RETURN_TIME[ms]: 4, TOOLS_QUANTIFIERELIM_APPLICATIONS: 27, TOOLS_QUANTIFIERELIM_TIME[ms]: 367, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 167, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 35, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 11, DOMAIN_JOIN_TIME[ms]: 5, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 5, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 23, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 1, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 237, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 236, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 2, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 178, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 177, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 12, DAG_COMPRESSION_PROCESSED_NODES: 60, DAG_COMPRESSION_RETAINED_NODES: 38 - UnprovableResult [Line: 5]: 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 69#(and (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...