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 --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/test29-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 16:29:26,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:29:26,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:29:26,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:29:26,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:29:26,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:29:26,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:29:26,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:29:26,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:29:26,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:29:26,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:29:26,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:29:26,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:29:26,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:29:26,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:29:26,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:29:26,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:29:26,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:29:26,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:29:27,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:29:27,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:29:27,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:29:27,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:29:27,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:29:27,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 16:29:27,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 16:29:27,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 16:29:27,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 16:29:27,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 16:29:27,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 16:29:27,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 16:29:27,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 16:29:27,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 16:29:27,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 16:29:27,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 16:29:27,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 16:29:27,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 16:29:27,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 16:29:27,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:29:27,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:29:27,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:29:27,020 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 16:29:27,035 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:29:27,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:29:27,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:29:27,037 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:29:27,037 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:29:27,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:29:27,038 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:29:27,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:29:27,038 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:29:27,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:29:27,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:29:27,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:29:27,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:29:27,039 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:29:27,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:29:27,039 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:29:27,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:29:27,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:29:27,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:29:27,040 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:29:27,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:29:27,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:29:27,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:29:27,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:29:27,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:29:27,043 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:29:27,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:29:27,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:29:27,043 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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 -> SIMPLIFY_DDA [2019-09-20 16:29:27,089 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:29:27,100 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:29:27,104 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:29:27,105 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:29:27,106 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:29:27,107 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test29-2.c [2019-09-20 16:29:27,170 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/034b5940f/c690ff69208c4f81a5c36feed1ea93c5/FLAGcff188f8c [2019-09-20 16:29:27,638 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:29:27,641 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test29-2.c [2019-09-20 16:29:27,647 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/034b5940f/c690ff69208c4f81a5c36feed1ea93c5/FLAGcff188f8c [2019-09-20 16:29:28,036 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/034b5940f/c690ff69208c4f81a5c36feed1ea93c5 [2019-09-20 16:29:28,045 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:29:28,047 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:29:28,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:29:28,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:29:28,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:29:28,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:29:28" (1/1) ... [2019-09-20 16:29:28,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a2e65cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:28, skipping insertion in model container [2019-09-20 16:29:28,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:29:28" (1/1) ... [2019-09-20 16:29:28,064 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:29:28,080 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:29:28,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:29:28,282 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:29:28,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:29:28,393 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:29:28,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:28 WrapperNode [2019-09-20 16:29:28,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:29:28,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:29:28,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:29:28,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:29:28,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:28" (1/1) ... [2019-09-20 16:29:28,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:28" (1/1) ... [2019-09-20 16:29:28,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:28" (1/1) ... [2019-09-20 16:29:28,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:28" (1/1) ... [2019-09-20 16:29:28,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:28" (1/1) ... [2019-09-20 16:29:28,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:28" (1/1) ... [2019-09-20 16:29:28,424 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:28" (1/1) ... [2019-09-20 16:29:28,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:29:28,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:29:28,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:29:28,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:29:28,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:28" (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 16:29:28,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:29:28,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:29:28,490 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:29:28,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:29:28,491 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 16:29:28,491 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:29:28,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 16:29:28,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 16:29:28,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 16:29:28,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 16:29:28,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:29:28,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:29:28,868 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:29:28,868 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 16:29:28,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:29:28 BoogieIcfgContainer [2019-09-20 16:29:28,870 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:29:28,870 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:29:28,870 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:29:28,871 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:29:28,872 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:29:28" (1/1) ... [2019-09-20 16:29:28,872 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 16:29:28,894 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:29:28,895 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:29:28,901 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:29:28,910 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:29:28,911 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:29:29,074 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-09-20 16:29:29,137 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 16:29:29,137 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 16:29:29,139 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 11#(and (<= |main_~#d1~0.offset| 0) (<= main_~n~0 2147483647) (<= |#NULL.base| 0) (<= 0 main_~pd~0.offset) (<= main_~pd~0.offset 0) (<= 0 |main_~#d2~0.offset|) (<= |main_~#d2~0.offset| 0) (<= 0 |#NULL.base|) (<= 0 (+ main_~n~0 2147483648)) (<= 0 |main_~#d1~0.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-09-20 16:29:29,154 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 16:29:29,155 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 16:29:29,157 INFO L168 Benchmark]: Toolchain (without parser) took 1109.61 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 90.2 MB in the beginning and 139.3 MB in the end (delta: -49.1 MB). Peak memory consumption was 17.0 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:29,158 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 134.2 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-20 16:29:29,159 INFO L168 Benchmark]: CACSL2BoogieTranslator took 347.44 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 90.0 MB in the beginning and 177.8 MB in the end (delta: -87.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:29,160 INFO L168 Benchmark]: Boogie Preprocessor took 30.10 ms. Allocated memory is still 200.3 MB. Free memory was 177.8 MB in the beginning and 175.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:29,161 INFO L168 Benchmark]: RCFGBuilder took 443.71 ms. Allocated memory is still 200.3 MB. Free memory was 175.5 MB in the beginning and 155.0 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:29,162 INFO L168 Benchmark]: Sifa took 284.70 ms. Allocated memory is still 200.3 MB. Free memory was 155.0 MB in the beginning and 139.3 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:29,165 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 134.2 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 347.44 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 90.0 MB in the beginning and 177.8 MB in the end (delta: -87.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.10 ms. Allocated memory is still 200.3 MB. Free memory was 177.8 MB in the beginning and 175.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 443.71 ms. Allocated memory is still 200.3 MB. Free memory was 175.5 MB in the beginning and 155.0 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Sifa took 284.70 ms. Allocated memory is still 200.3 MB. Free memory was 155.0 MB in the beginning and 139.3 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 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]: 245, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 6, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 4, TOOLS_POST_TIME[ms]: 89, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 18, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 7, TOOLS_QUANTIFIERELIM_TIME[ms]: 97, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 75, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 6, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 2, DOMAIN_JOIN_TIME[ms]: 80, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 0, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 114, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 113, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 3, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 10, DAG_COMPRESSION_PROCESSED_NODES: 26, DAG_COMPRESSION_RETAINED_NODES: 18 - UnprovableResult [Line: 27]: 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 11#(and (<= |main_~#d1~0.offset| 0) (<= main_~n~0 2147483647) (<= |#NULL.base| 0) (<= 0 main_~pd~0.offset) (<= main_~pd~0.offset 0) (<= 0 |main_~#d2~0.offset|) (<= |main_~#d2~0.offset| 0) (<= 0 |#NULL.base|) (<= 0 (+ main_~n~0 2147483648)) (<= 0 |main_~#d1~0.offset|) (<= 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...