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 2 --sifa.sizelimitfluid.max.disjunctions 4 -i ../../../trunk/examples/svcomp/loop-acceleration/underapprox_1-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:01:53,774 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:01:53,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:01:53,796 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:01:53,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:01:53,798 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:01:53,801 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:01:53,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:01:53,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:01:53,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:01:53,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:01:53,815 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:01:53,815 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:01:53,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:01:53,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:01:53,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:01:53,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:01:53,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:01:53,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:01:53,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:01:53,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:01:53,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:01:53,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:01:53,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:01:53,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:01:53,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:01:53,839 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:01:53,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:01:53,844 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:01:53,846 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:01:53,846 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:01:53,847 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:01:53,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:01:53,849 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:01:53,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:01:53,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:01:53,852 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:01:53,852 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:01:53,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:01:53,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:01:53,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:01:53,858 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 17:01:53,880 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:01:53,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:01:53,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:01:53,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:01:53,883 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:01:53,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:01:53,883 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:01:53,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:01:53,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:01:53,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:01:53,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:01:53,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:01:53,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:01:53,886 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:01:53,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:01:53,886 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:01:53,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:01:53,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:01:53,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:01:53,887 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:01:53,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:01:53,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:01:53,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:01:53,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:01:53,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:01:53,889 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:01:53,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:01:53,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:01:53,890 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 -> 2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 4 [2019-09-25 17:01:53,955 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:01:53,971 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:01:53,974 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:01:53,977 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:01:53,978 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:01:53,978 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/underapprox_1-2.c [2019-09-25 17:01:54,046 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e956ec25f/9e86cb9ad7c44b6ebf0015c57c3cb8a6/FLAG41caa9c66 [2019-09-25 17:01:54,502 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:01:54,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/underapprox_1-2.c [2019-09-25 17:01:54,511 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e956ec25f/9e86cb9ad7c44b6ebf0015c57c3cb8a6/FLAG41caa9c66 [2019-09-25 17:01:54,887 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e956ec25f/9e86cb9ad7c44b6ebf0015c57c3cb8a6 [2019-09-25 17:01:54,898 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:01:54,900 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:01:54,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:01:54,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:01:54,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:01:54,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:01:54" (1/1) ... [2019-09-25 17:01:54,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15161af2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:01:54, skipping insertion in model container [2019-09-25 17:01:54,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:01:54" (1/1) ... [2019-09-25 17:01:54,919 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:01:54,937 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:01:55,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:01:55,215 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:01:55,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:01:55,252 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:01:55,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:01:55 WrapperNode [2019-09-25 17:01:55,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:01:55,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:01:55,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:01:55,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:01:55,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:01:55" (1/1) ... [2019-09-25 17:01:55,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:01:55" (1/1) ... [2019-09-25 17:01:55,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:01:55" (1/1) ... [2019-09-25 17:01:55,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:01:55" (1/1) ... [2019-09-25 17:01:55,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:01:55" (1/1) ... [2019-09-25 17:01:55,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:01:55" (1/1) ... [2019-09-25 17:01:55,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:01:55" (1/1) ... [2019-09-25 17:01:55,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:01:55,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:01:55,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:01:55,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:01:55,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:01:55" (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 17:01:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:01:55,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:01:55,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-25 17:01:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:01:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:01:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-25 17:01:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:01:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:01:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:01:55,718 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:01:55,718 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-25 17:01:55,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:01:55 BoogieIcfgContainer [2019-09-25 17:01:55,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:01:55,720 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:01:55,720 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:01:55,721 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:01:55,722 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:01:55" (1/1) ... [2019-09-25 17:01:55,722 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ 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=4 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:01:55,743 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:01:55,744 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:01:55,751 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:01:55,760 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:01:55,761 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:01:55,839 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-25 17:01:55,978 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 40 for LOIs [2019-09-25 17:01:55,988 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:01:55,989 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:01:55,991 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 34#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-25 17:01:56,005 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:01:56,006 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:01:56,009 INFO L168 Benchmark]: Toolchain (without parser) took 1108.18 ms. Allocated memory was 132.1 MB in the beginning and 200.8 MB in the end (delta: 68.7 MB). Free memory was 87.7 MB in the beginning and 153.5 MB in the end (delta: -65.8 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-09-25 17:01:56,010 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:01:56,011 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.22 ms. Allocated memory is still 132.1 MB. Free memory was 87.5 MB in the beginning and 78.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-25 17:01:56,012 INFO L168 Benchmark]: Boogie Preprocessor took 197.27 ms. Allocated memory was 132.1 MB in the beginning and 200.8 MB in the end (delta: 68.7 MB). Free memory was 78.3 MB in the beginning and 176.7 MB in the end (delta: -98.5 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2019-09-25 17:01:56,013 INFO L168 Benchmark]: RCFGBuilder took 268.40 ms. Allocated memory is still 200.8 MB. Free memory was 176.7 MB in the beginning and 165.2 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-09-25 17:01:56,014 INFO L168 Benchmark]: Sifa took 285.60 ms. Allocated memory is still 200.8 MB. Free memory was 165.2 MB in the beginning and 153.5 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-09-25 17:01:56,018 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 352.22 ms. Allocated memory is still 132.1 MB. Free memory was 87.5 MB in the beginning and 78.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 197.27 ms. Allocated memory was 132.1 MB in the beginning and 200.8 MB in the end (delta: 68.7 MB). Free memory was 78.3 MB in the beginning and 176.7 MB in the end (delta: -98.5 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 268.40 ms. Allocated memory is still 200.8 MB. Free memory was 176.7 MB in the beginning and 165.2 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * Sifa took 285.60 ms. Allocated memory is still 200.8 MB. Free memory was 165.2 MB in the beginning and 153.5 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 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]: 248, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 13, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 9, TOOLS_POST_TIME[ms]: 20, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 37, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 13, TOOLS_QUANTIFIERELIM_TIME[ms]: 47, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 16, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 83, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 2, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 30, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 9, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 103, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 101, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 42, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 41, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 12, DAG_COMPRESSION_PROCESSED_NODES: 44, DAG_COMPRESSION_RETAINED_NODES: 28 - 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 34#(and (= 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...