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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-regression/test14.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 08:50:07,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 08:50:07,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 08:50:07,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 08:50:07,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 08:50:07,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 08:50:07,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 08:50:07,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 08:50:07,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 08:50:07,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 08:50:07,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 08:50:07,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 08:50:07,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 08:50:07,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 08:50:07,868 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 08:50:07,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 08:50:07,870 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 08:50:07,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 08:50:07,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 08:50:07,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 08:50:07,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 08:50:07,877 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 08:50:07,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 08:50:07,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 08:50:07,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 08:50:07,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 08:50:07,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 08:50:07,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 08:50:07,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 08:50:07,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 08:50:07,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 08:50:07,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 08:50:07,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 08:50:07,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 08:50:07,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 08:50:07,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 08:50:07,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 08:50:07,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 08:50:07,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 08:50:07,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 08:50:07,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 08:50:07,891 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 [2019-10-04 08:50:07,905 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 08:50:07,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 08:50:07,907 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 08:50:07,907 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 08:50:07,907 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 08:50:07,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 08:50:07,908 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 08:50:07,908 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 08:50:07,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 08:50:07,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 08:50:07,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 08:50:07,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 08:50:07,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 08:50:07,909 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 08:50:07,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 08:50:07,909 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 08:50:07,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 08:50:07,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 08:50:07,910 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 08:50:07,910 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 08:50:07,910 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 08:50:07,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 08:50:07,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 08:50:07,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 08:50:07,911 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 08:50:07,912 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 08:50:07,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 08:50:07,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 08:50:07,912 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-04 08:50:07,947 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 08:50:07,966 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 08:50:07,971 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 08:50:07,972 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 08:50:07,973 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 08:50:07,973 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test14.c [2019-10-04 08:50:08,046 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e2688048/e41417fb5a2a4341aee2f42f52cfdc7c/FLAG757da2226 [2019-10-04 08:50:08,542 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 08:50:08,543 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test14.c [2019-10-04 08:50:08,551 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e2688048/e41417fb5a2a4341aee2f42f52cfdc7c/FLAG757da2226 [2019-10-04 08:50:08,913 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e2688048/e41417fb5a2a4341aee2f42f52cfdc7c [2019-10-04 08:50:08,924 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 08:50:08,925 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 08:50:08,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 08:50:08,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 08:50:08,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 08:50:08,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 08:50:08" (1/1) ... [2019-10-04 08:50:08,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13bde31b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:50:08, skipping insertion in model container [2019-10-04 08:50:08,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 08:50:08" (1/1) ... [2019-10-04 08:50:08,944 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 08:50:08,963 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 08:50:09,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 08:50:09,207 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 08:50:09,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 08:50:09,254 INFO L192 MainTranslator]: Completed translation [2019-10-04 08:50:09,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:50:09 WrapperNode [2019-10-04 08:50:09,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 08:50:09,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 08:50:09,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 08:50:09,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 08:50:09,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:50:09" (1/1) ... [2019-10-04 08:50:09,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:50:09" (1/1) ... [2019-10-04 08:50:09,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:50:09" (1/1) ... [2019-10-04 08:50:09,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:50:09" (1/1) ... [2019-10-04 08:50:09,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:50:09" (1/1) ... [2019-10-04 08:50:09,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:50:09" (1/1) ... [2019-10-04 08:50:09,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:50:09" (1/1) ... [2019-10-04 08:50:09,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 08:50:09,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 08:50:09,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 08:50:09,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 08:50:09,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:50:09" (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 [2019-10-04 08:50:09,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 08:50:09,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 08:50:09,476 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-10-04 08:50:09,476 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 08:50:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 08:50:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 08:50:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-04 08:50:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-10-04 08:50:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 08:50:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-04 08:50:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-04 08:50:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-04 08:50:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-04 08:50:09,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 08:50:09,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 08:50:09,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-04 08:50:09,939 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 08:50:09,939 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-04 08:50:09,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 08:50:09 BoogieIcfgContainer [2019-10-04 08:50:09,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 08:50:09,941 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 08:50:09,941 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 08:50:09,942 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 08:50:09,943 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 08:50:09" (1/1) ... [2019-10-04 08:50:09,944 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-04 08:50:09,969 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 08:50:09,969 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 08:50:09,977 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 08:50:09,986 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 08:50:09,988 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 08:50:10,327 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 54 for LOIs [2019-10-04 08:50:10,630 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 08:50:10,631 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 08:50:10,635 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 29#(and (<= main_~pa~0.offset 0) (= |main_~#c~0.offset| 0) (<= main_~pb~0.offset 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 0 main_~pa~0.offset) (<= 0 |~#b~0.offset|) (<= |~#a~0.offset| 0) (<= main_~a~1 2147483647) (<= |~#b~0.offset| 0) (= |#NULL.base| 0) (<= main_~pc~0.offset 0) (<= |#NULL.base| 0) (= |~#a~0.offset| 0) (<= 0 (+ main_~b~1 2147483648)) (<= main_~b~1 2147483647) (<= 0 main_~pc~0.offset) (= |~#b~0.offset| 0) (<= |#NULL.offset| 0) (<= 0 (+ main_~a~1 2147483648)) (<= 0 |~#a~0.offset|) (<= |main_~#c~0.offset| 0) (<= 0 main_~pb~0.offset) (= |#NULL.offset| 0) (<= 0 |main_~#c~0.offset|)) [2019-10-04 08:50:10,655 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-04 08:50:10,656 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 08:50:10,659 INFO L168 Benchmark]: Toolchain (without parser) took 1732.62 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 84.2 MB in the beginning and 114.8 MB in the end (delta: -30.6 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. [2019-10-04 08:50:10,661 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 103.2 MB in the beginning and 103.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-04 08:50:10,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.81 ms. Allocated memory is still 138.4 MB. Free memory was 84.0 MB in the beginning and 74.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-10-04 08:50:10,664 INFO L168 Benchmark]: Boogie Preprocessor took 157.38 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 74.2 MB in the beginning and 176.0 MB in the end (delta: -101.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-10-04 08:50:10,671 INFO L168 Benchmark]: RCFGBuilder took 527.74 ms. Allocated memory is still 199.2 MB. Free memory was 176.0 MB in the beginning and 153.4 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2019-10-04 08:50:10,672 INFO L168 Benchmark]: Sifa took 714.75 ms. Allocated memory is still 199.2 MB. Free memory was 153.4 MB in the beginning and 114.8 MB in the end (delta: 38.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 7.1 GB. [2019-10-04 08:50:10,675 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 103.2 MB in the beginning and 103.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 328.81 ms. Allocated memory is still 138.4 MB. Free memory was 84.0 MB in the beginning and 74.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 157.38 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 74.2 MB in the beginning and 176.0 MB in the end (delta: -101.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 527.74 ms. Allocated memory is still 199.2 MB. Free memory was 176.0 MB in the beginning and 153.4 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * Sifa took 714.75 ms. Allocated memory is still 199.2 MB. Free memory was 153.4 MB in the beginning and 114.8 MB in the end (delta: 38.6 MB). Peak memory consumption was 38.6 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]: 667, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 9, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 6, TOOLS_POST_TIME[ms]: 267, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 130, TOOLS_POST_RETURN_APPLICATIONS: 2, TOOLS_POST_RETURN_TIME[ms]: 7, TOOLS_QUANTIFIERELIM_APPLICATIONS: 11, TOOLS_QUANTIFIERELIM_TIME[ms]: 383, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 210, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 9, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 3, DOMAIN_JOIN_TIME[ms]: 190, 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: 2, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 321, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 321, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 11, DAG_COMPRESSION_PROCESSED_NODES: 37, DAG_COMPRESSION_RETAINED_NODES: 22 - UnprovableResult [Line: 25]: 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 29#(and (<= main_~pa~0.offset 0) (= |main_~#c~0.offset| 0) (<= main_~pb~0.offset 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 0 main_~pa~0.offset) (<= 0 |~#b~0.offset|) (<= |~#a~0.offset| 0) (<= main_~a~1 2147483647) (<= |~#b~0.offset| 0) (= |#NULL.base| 0) (<= main_~pc~0.offset 0) (<= |#NULL.base| 0) (= |~#a~0.offset| 0) (<= 0 (+ main_~b~1 2147483648)) (<= main_~b~1 2147483647) (<= 0 main_~pc~0.offset) (= |~#b~0.offset| 0) (<= |#NULL.offset| 0) (<= 0 (+ main_~a~1 2147483648)) (<= 0 |~#a~0.offset|) (<= |main_~#c~0.offset| 0) (<= 0 main_~pb~0.offset) (= |#NULL.offset| 0) (<= 0 |main_~#c~0.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...