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 AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/reducercommutativity/avg05-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 22:25:24,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:25:24,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:25:24,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:25:24,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:25:24,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:25:24,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:25:24,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:25:24,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:25:24,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:25:24,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:25:24,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:25:24,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:25:24,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:25:24,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:25:24,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:25:24,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:25:24,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:25:24,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:25:24,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:25:24,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:25:24,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:25:24,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:25:25,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:25:25,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 22:25:25,003 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 22:25:25,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 22:25:25,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 22:25:25,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 22:25:25,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 22:25:25,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 22:25:25,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 22:25:25,007 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 22:25:25,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 22:25:25,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 22:25:25,009 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 22:25:25,010 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 22:25:25,010 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 22:25:25,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:25:25,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:25:25,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:25:25,012 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 22:25:25,027 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:25:25,027 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:25:25,028 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:25:25,028 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:25:25,029 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:25:25,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:25:25,029 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:25:25,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:25:25,029 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:25:25,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:25:25,030 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:25:25,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:25:25,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:25:25,030 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:25:25,031 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:25:25,031 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:25:25,031 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:25:25,031 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:25:25,031 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:25:25,032 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:25:25,032 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:25:25,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:25:25,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:25:25,032 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:25:25,033 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:25:25,033 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:25:25,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:25:25,033 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:25:25,033 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 22:25:25,079 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:25:25,093 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:25:25,097 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:25:25,098 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:25:25,099 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:25:25,099 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/avg05-1.i [2019-09-20 22:25:25,169 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9523fa6c9/580f4f9f9f9b4677a9301449baa8da72/FLAG2c2073dc4 [2019-09-20 22:25:25,628 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:25:25,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/avg05-1.i [2019-09-20 22:25:25,638 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9523fa6c9/580f4f9f9f9b4677a9301449baa8da72/FLAG2c2073dc4 [2019-09-20 22:25:26,050 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9523fa6c9/580f4f9f9f9b4677a9301449baa8da72 [2019-09-20 22:25:26,061 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:25:26,063 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:25:26,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:25:26,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:25:26,066 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:25:26,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:25:26" (1/1) ... [2019-09-20 22:25:26,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3353359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:26, skipping insertion in model container [2019-09-20 22:25:26,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:25:26" (1/1) ... [2019-09-20 22:25:26,076 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:25:26,093 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:25:26,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:25:26,285 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:25:26,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:25:26,400 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:25:26,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:26 WrapperNode [2019-09-20 22:25:26,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:25:26,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:25:26,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:25:26,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:25:26,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:26" (1/1) ... [2019-09-20 22:25:26,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:26" (1/1) ... [2019-09-20 22:25:26,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:26" (1/1) ... [2019-09-20 22:25:26,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:26" (1/1) ... [2019-09-20 22:25:26,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:26" (1/1) ... [2019-09-20 22:25:26,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:26" (1/1) ... [2019-09-20 22:25:26,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:26" (1/1) ... [2019-09-20 22:25:26,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:25:26,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:25:26,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:25:26,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:25:26,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:25:26,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:25:26,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:25:26,501 INFO L138 BoogieDeclarations]: Found implementation of procedure avg [2019-09-20 22:25:26,501 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:25:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:25:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 22:25:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure avg [2019-09-20 22:25:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 22:25:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:25:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 22:25:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 22:25:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 22:25:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:25:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:25:26,899 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:25:26,899 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 22:25:26,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:25:26 BoogieIcfgContainer [2019-09-20 22:25:26,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:25:26,901 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:25:26,902 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:25:26,902 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:25:26,903 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:25:26" (1/1) ... [2019-09-20 22:25:26,904 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=AlwaysFluid [2019-09-20 22:25:26,926 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:25:26,926 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:25:26,935 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:25:26,944 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:25:26,946 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:25:27,104 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 10 for LOIs [2019-09-20 22:25:27,496 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 22:25:27,497 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 22:25:27,499 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 62#true [2019-09-20 22:25:27,513 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 22:25:27,513 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 22:25:27,515 INFO L168 Benchmark]: Toolchain (without parser) took 1452.12 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 89.4 MB in the beginning and 112.1 MB in the end (delta: -22.7 MB). Peak memory consumption was 43.3 MB. Max. memory is 7.1 GB. [2019-09-20 22:25:27,516 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 133.2 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 22:25:27,517 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.66 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 89.2 MB in the beginning and 176.6 MB in the end (delta: -87.4 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2019-09-20 22:25:27,517 INFO L168 Benchmark]: Boogie Preprocessor took 42.49 ms. Allocated memory is still 199.2 MB. Free memory was 176.6 MB in the beginning and 174.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-20 22:25:27,518 INFO L168 Benchmark]: RCFGBuilder took 456.68 ms. Allocated memory is still 199.2 MB. Free memory was 174.4 MB in the beginning and 153.6 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-09-20 22:25:27,519 INFO L168 Benchmark]: Sifa took 611.89 ms. Allocated memory is still 199.2 MB. Free memory was 153.6 MB in the beginning and 112.1 MB in the end (delta: 41.5 MB). Peak memory consumption was 41.5 MB. Max. memory is 7.1 GB. [2019-09-20 22:25:27,522 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 133.2 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 337.66 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 89.2 MB in the beginning and 176.6 MB in the end (delta: -87.4 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.49 ms. Allocated memory is still 199.2 MB. Free memory was 176.6 MB in the beginning and 174.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 456.68 ms. Allocated memory is still 199.2 MB. Free memory was 174.4 MB in the beginning and 153.6 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Sifa took 611.89 ms. Allocated memory is still 199.2 MB. Free memory was 153.6 MB in the beginning and 112.1 MB in the end (delta: 41.5 MB). Peak memory consumption was 41.5 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]: 573, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 22, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 14, TOOLS_POST_TIME[ms]: 259, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 20, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 79, TOOLS_QUANTIFIERELIM_APPLICATIONS: 23, TOOLS_QUANTIFIERELIM_TIME[ms]: 337, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 77, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 25, FLUID_YES_ANSWERS: 25, DOMAIN_JOIN_APPLICATIONS: 6, DOMAIN_JOIN_TIME[ms]: 87, DOMAIN_ALPHA_APPLICATIONS: 25, DOMAIN_ALPHA_TIME[ms]: 54, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 3, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 115, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 114, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 127, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 127, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 16, DAG_COMPRESSION_PROCESSED_NODES: 72, DAG_COMPRESSION_RETAINED_NODES: 35 - UnprovableResult [Line: 39]: 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 62#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...