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.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 4 --sifa.sizelimitfluid.max.disjunctions 16 -i ../../../trunk/examples/svcomp/loop-acceleration/phases_2-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:41:37,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:41:37,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:41:37,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:41:37,849 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:41:37,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:41:37,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:41:37,857 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:41:37,859 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:41:37,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:41:37,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:41:37,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:41:37,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:41:37,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:41:37,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:41:37,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:41:37,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:41:37,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:41:37,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:41:37,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:41:37,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:41:37,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:41:37,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:41:37,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:41:37,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:41:37,891 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:41:37,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:41:37,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:41:37,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:41:37,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:41:37,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:41:37,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:41:37,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:41:37,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:41:37,897 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:41:37,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:41:37,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:41:37,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:41:37,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:41:37,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:41:37,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:41:37,905 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 [2019-09-25 17:41:37,922 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:41:37,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:41:37,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:41:37,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:41:37,924 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:41:37,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:41:37,924 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:41:37,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:41:37,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:41:37,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:41:37,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:41:37,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:41:37,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:41:37,925 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:41:37,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:41:37,926 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:41:37,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:41:37,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:41:37,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:41:37,927 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:41:37,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:41:37,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:41:37,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:41:37,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:41:37,928 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:41:37,928 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:41:37,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:41:37,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:41:37,929 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 16 [2019-09-25 17:41:37,968 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:41:37,984 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:41:37,989 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:41:37,990 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:41:37,991 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:41:37,992 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/phases_2-1.c [2019-09-25 17:41:38,055 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/969da405a/1c1246282dca41be81d65b39c083f4a0/FLAG93182328c [2019-09-25 17:41:38,495 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:41:38,496 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/phases_2-1.c [2019-09-25 17:41:38,503 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/969da405a/1c1246282dca41be81d65b39c083f4a0/FLAG93182328c [2019-09-25 17:41:38,895 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/969da405a/1c1246282dca41be81d65b39c083f4a0 [2019-09-25 17:41:38,904 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:41:38,906 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:41:38,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:41:38,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:41:38,910 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:41:38,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:41:38" (1/1) ... [2019-09-25 17:41:38,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ce2b1cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:41:38, skipping insertion in model container [2019-09-25 17:41:38,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:41:38" (1/1) ... [2019-09-25 17:41:38,919 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:41:38,933 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:41:39,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:41:39,119 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:41:39,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:41:39,146 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:41:39,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:41:39 WrapperNode [2019-09-25 17:41:39,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:41:39,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:41:39,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:41:39,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:41:39,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:41:39" (1/1) ... [2019-09-25 17:41:39,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:41:39" (1/1) ... [2019-09-25 17:41:39,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:41:39" (1/1) ... [2019-09-25 17:41:39,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:41:39" (1/1) ... [2019-09-25 17:41:39,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:41:39" (1/1) ... [2019-09-25 17:41:39,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:41:39" (1/1) ... [2019-09-25 17:41:39,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:41:39" (1/1) ... [2019-09-25 17:41:39,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:41:39,276 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:41:39,276 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:41:39,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:41:39,277 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:41:39" (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 [2019-09-25 17:41:39,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:41:39,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:41:39,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-25 17:41:39,336 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:41:39,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:41:39,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-25 17:41:39,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-25 17:41:39,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-25 17:41:39,337 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:41:39,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:41:39,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:41:40,915 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:41:40,916 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-25 17:41:40,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:41:40 BoogieIcfgContainer [2019-09-25 17:41:40,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:41:40,918 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:41:40,918 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:41:40,918 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:41:40,919 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:41:40" (1/1) ... [2019-09-25 17:41:40,920 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=4 ♦ 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=16 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:41:40,943 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:41:40,943 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:41:40,951 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:41:40,959 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:41:40,961 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:41:41,041 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-25 17:41:41,232 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-25 17:41:41,248 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:41:41,248 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:41:41,253 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 33#(or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) [2019-09-25 17:41:41,283 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:41:41,283 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:41:41,287 INFO L168 Benchmark]: Toolchain (without parser) took 2379.45 ms. Allocated memory was 130.5 MB in the beginning and 199.2 MB in the end (delta: 68.7 MB). Free memory was 86.3 MB in the beginning and 145.2 MB in the end (delta: -58.9 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-25 17:41:41,288 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 130.5 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:41:41,289 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.82 ms. Allocated memory is still 130.5 MB. Free memory was 86.1 MB in the beginning and 76.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-25 17:41:41,290 INFO L168 Benchmark]: Boogie Preprocessor took 127.97 ms. Allocated memory was 130.5 MB in the beginning and 199.2 MB in the end (delta: 68.7 MB). Free memory was 76.8 MB in the beginning and 175.9 MB in the end (delta: -99.1 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-09-25 17:41:41,291 INFO L168 Benchmark]: RCFGBuilder took 1640.96 ms. Allocated memory is still 199.2 MB. Free memory was 175.9 MB in the beginning and 162.0 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2019-09-25 17:41:41,292 INFO L168 Benchmark]: Sifa took 366.15 ms. Allocated memory is still 199.2 MB. Free memory was 162.0 MB in the beginning and 145.2 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. [2019-09-25 17:41:41,296 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 130.5 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 240.82 ms. Allocated memory is still 130.5 MB. Free memory was 86.1 MB in the beginning and 76.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.97 ms. Allocated memory was 130.5 MB in the beginning and 199.2 MB in the end (delta: 68.7 MB). Free memory was 76.8 MB in the beginning and 175.9 MB in the end (delta: -99.1 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1640.96 ms. Allocated memory is still 199.2 MB. Free memory was 175.9 MB in the beginning and 162.0 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * Sifa took 366.15 ms. Allocated memory is still 199.2 MB. Free memory was 162.0 MB in the beginning and 145.2 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 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]: 310, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 13, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 9, TOOLS_POST_TIME[ms]: 103, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 23, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 13, TOOLS_QUANTIFIERELIM_TIME[ms]: 115, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 83, FLUID_QUERY_TIME[ms]: 3, FLUID_QUERIES: 15, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 4, DOMAIN_JOIN_TIME[ms]: 102, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 4, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 1, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 3, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 160, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 160, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 39, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 39, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 17, DAG_COMPRESSION_PROCESSED_NODES: 47, DAG_COMPRESSION_RETAINED_NODES: 30 - UnprovableResult [Line: 7]: 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 33#(or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__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...