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/loop-acceleration/underapprox_1-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 09:19:53,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 09:19:53,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 09:19:53,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 09:19:53,783 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 09:19:53,784 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 09:19:53,785 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 09:19:53,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 09:19:53,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 09:19:53,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 09:19:53,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 09:19:53,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 09:19:53,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 09:19:53,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 09:19:53,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 09:19:53,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 09:19:53,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 09:19:53,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 09:19:53,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 09:19:53,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 09:19:53,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 09:19:53,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 09:19:53,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 09:19:53,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 09:19:53,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 09:19:53,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 09:19:53,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 09:19:53,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 09:19:53,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 09:19:53,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 09:19:53,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 09:19:53,819 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 09:19:53,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 09:19:53,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 09:19:53,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 09:19:53,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 09:19:53,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 09:19:53,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 09:19:53,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 09:19:53,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 09:19:53,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 09:19:53,833 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 09:19:53,858 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 09:19:53,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 09:19:53,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 09:19:53,863 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 09:19:53,863 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 09:19:53,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 09:19:53,863 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 09:19:53,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 09:19:53,864 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 09:19:53,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 09:19:53,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 09:19:53,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 09:19:53,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 09:19:53,866 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 09:19:53,866 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 09:19:53,866 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 09:19:53,867 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 09:19:53,867 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 09:19:53,867 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 09:19:53,868 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 09:19:53,869 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 09:19:53,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 09:19:53,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 09:19:53,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 09:19:53,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 09:19:53,873 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 09:19:53,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 09:19:53,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 09:19:53,873 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 09:19:53,907 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 09:19:53,919 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 09:19:53,924 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 09:19:53,925 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 09:19:53,925 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 09:19:53,926 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/underapprox_1-1.c [2019-10-04 09:19:53,987 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c51680f5/52614eed9975470cad77051d28cea4e7/FLAGc8014ba8d [2019-10-04 09:19:54,399 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 09:19:54,400 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/underapprox_1-1.c [2019-10-04 09:19:54,406 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c51680f5/52614eed9975470cad77051d28cea4e7/FLAGc8014ba8d [2019-10-04 09:19:54,824 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c51680f5/52614eed9975470cad77051d28cea4e7 [2019-10-04 09:19:54,834 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 09:19:54,835 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 09:19:54,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 09:19:54,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 09:19:54,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 09:19:54,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 09:19:54" (1/1) ... [2019-10-04 09:19:54,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e2a3789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:19:54, skipping insertion in model container [2019-10-04 09:19:54,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 09:19:54" (1/1) ... [2019-10-04 09:19:54,851 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 09:19:54,866 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 09:19:55,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 09:19:55,060 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 09:19:55,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 09:19:55,085 INFO L192 MainTranslator]: Completed translation [2019-10-04 09:19:55,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:19:55 WrapperNode [2019-10-04 09:19:55,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 09:19:55,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 09:19:55,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 09:19:55,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 09:19:55,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:19:55" (1/1) ... [2019-10-04 09:19:55,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:19:55" (1/1) ... [2019-10-04 09:19:55,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:19:55" (1/1) ... [2019-10-04 09:19:55,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:19:55" (1/1) ... [2019-10-04 09:19:55,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:19:55" (1/1) ... [2019-10-04 09:19:55,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:19:55" (1/1) ... [2019-10-04 09:19:55,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:19:55" (1/1) ... [2019-10-04 09:19:55,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 09:19:55,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 09:19:55,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 09:19:55,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 09:19:55,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:19:55" (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 [2019-10-04 09:19:55,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 09:19:55,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 09:19:55,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-04 09:19:55,249 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 09:19:55,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 09:19:55,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-04 09:19:55,250 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 09:19:55,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 09:19:55,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 09:19:55,412 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 09:19:55,412 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-04 09:19:55,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 09:19:55 BoogieIcfgContainer [2019-10-04 09:19:55,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 09:19:55,414 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 09:19:55,414 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 09:19:55,415 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 09:19:55,416 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 09:19:55" (1/1) ... [2019-10-04 09:19:55,416 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 09:19:55,438 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 09:19:55,438 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 09:19:55,445 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 09:19:55,453 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 09:19:55,455 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 09:19:55,544 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-10-04 09:19:55,815 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-10-04 09:19:55,834 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 09:19:55,834 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 09:19:55,836 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 49#(and (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))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-10-04 09:19:55,852 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-04 09:19:55,853 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 09:19:55,856 INFO L168 Benchmark]: Toolchain (without parser) took 1019.20 ms. Allocated memory was 133.2 MB in the beginning and 196.1 MB in the end (delta: 62.9 MB). Free memory was 86.0 MB in the beginning and 145.4 MB in the end (delta: -59.4 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-10-04 09:19:55,857 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 133.2 MB. Free memory was 104.1 MB in the beginning and 103.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-04 09:19:55,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.70 ms. Allocated memory is still 133.2 MB. Free memory was 85.6 MB in the beginning and 76.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-10-04 09:19:55,859 INFO L168 Benchmark]: Boogie Preprocessor took 107.47 ms. Allocated memory was 133.2 MB in the beginning and 196.1 MB in the end (delta: 62.9 MB). Free memory was 76.1 MB in the beginning and 174.0 MB in the end (delta: -97.9 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2019-10-04 09:19:55,860 INFO L168 Benchmark]: RCFGBuilder took 219.63 ms. Allocated memory is still 196.1 MB. Free memory was 174.0 MB in the beginning and 162.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-10-04 09:19:55,861 INFO L168 Benchmark]: Sifa took 438.67 ms. Allocated memory is still 196.1 MB. Free memory was 162.5 MB in the beginning and 145.4 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. [2019-10-04 09:19:55,866 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 133.2 MB. Free memory was 104.1 MB in the beginning and 103.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 249.70 ms. Allocated memory is still 133.2 MB. Free memory was 85.6 MB in the beginning and 76.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.47 ms. Allocated memory was 133.2 MB in the beginning and 196.1 MB in the end (delta: 62.9 MB). Free memory was 76.1 MB in the beginning and 174.0 MB in the end (delta: -97.9 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 219.63 ms. Allocated memory is still 196.1 MB. Free memory was 174.0 MB in the beginning and 162.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * Sifa took 438.67 ms. Allocated memory is still 196.1 MB. Free memory was 162.5 MB in the beginning and 145.4 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 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]: 399, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 13, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 9, TOOLS_POST_TIME[ms]: 24, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 30, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 13, TOOLS_QUANTIFIERELIM_TIME[ms]: 44, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 22, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 16, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 155, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 93, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 30, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 243, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 242, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 52, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 52, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 13, 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 49#(and (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))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...