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/reducercommutativity/avg05-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 07:01:24,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 07:01:24,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 07:01:24,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 07:01:24,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 07:01:24,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 07:01:24,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 07:01:24,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 07:01:24,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 07:01:24,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 07:01:24,702 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 07:01:24,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 07:01:24,704 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 07:01:24,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 07:01:24,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 07:01:24,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 07:01:24,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 07:01:24,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 07:01:24,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 07:01:24,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 07:01:24,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 07:01:24,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 07:01:24,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 07:01:24,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 07:01:24,725 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 07:01:24,725 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 07:01:24,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 07:01:24,726 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 07:01:24,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 07:01:24,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 07:01:24,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 07:01:24,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 07:01:24,729 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 07:01:24,729 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 07:01:24,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 07:01:24,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 07:01:24,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 07:01:24,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 07:01:24,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 07:01:24,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 07:01:24,733 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 07:01:24,734 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 [2019-10-15 07:01:24,747 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 07:01:24,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 07:01:24,749 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 07:01:24,749 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 07:01:24,749 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 07:01:24,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 07:01:24,750 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 07:01:24,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 07:01:24,750 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 07:01:24,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 07:01:24,750 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 07:01:24,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 07:01:24,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 07:01:24,751 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 07:01:24,751 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 07:01:24,751 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 07:01:24,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 07:01:24,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 07:01:24,752 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 07:01:24,752 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 07:01:24,752 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 07:01:24,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 07:01:24,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 07:01:24,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 07:01:24,753 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 07:01:24,753 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 07:01:24,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 07:01:24,754 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 07:01:24,754 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 [2019-10-15 07:01:25,016 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 07:01:25,028 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 07:01:25,031 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 07:01:25,032 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 07:01:25,033 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 07:01:25,034 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/avg05-1.i [2019-10-15 07:01:25,109 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a2fb34f6/132d7874b38146bc9f7cc17fd4e90641/FLAGbda597312 [2019-10-15 07:01:25,592 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 07:01:25,594 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/avg05-1.i [2019-10-15 07:01:25,600 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a2fb34f6/132d7874b38146bc9f7cc17fd4e90641/FLAGbda597312 [2019-10-15 07:01:25,989 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a2fb34f6/132d7874b38146bc9f7cc17fd4e90641 [2019-10-15 07:01:25,999 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 07:01:26,001 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 07:01:26,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 07:01:26,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 07:01:26,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 07:01:26,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:01:25" (1/1) ... [2019-10-15 07:01:26,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33ff8af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:01:26, skipping insertion in model container [2019-10-15 07:01:26,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:01:25" (1/1) ... [2019-10-15 07:01:26,016 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 07:01:26,037 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 07:01:26,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 07:01:26,208 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 07:01:26,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 07:01:26,241 INFO L192 MainTranslator]: Completed translation [2019-10-15 07:01:26,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:01:26 WrapperNode [2019-10-15 07:01:26,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 07:01:26,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 07:01:26,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 07:01:26,243 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 07:01:26,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:01:26" (1/1) ... [2019-10-15 07:01:26,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:01:26" (1/1) ... [2019-10-15 07:01:26,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:01:26" (1/1) ... [2019-10-15 07:01:26,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:01:26" (1/1) ... [2019-10-15 07:01:26,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:01:26" (1/1) ... [2019-10-15 07:01:26,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:01:26" (1/1) ... [2019-10-15 07:01:26,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:01:26" (1/1) ... [2019-10-15 07:01:26,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 07:01:26,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 07:01:26,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 07:01:26,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 07:01:26,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:01:26" (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 [2019-10-15 07:01:26,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 07:01:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 07:01:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure avg [2019-10-15 07:01:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 07:01:26,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 07:01:26,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 07:01:26,431 INFO L130 BoogieDeclarations]: Found specification of procedure avg [2019-10-15 07:01:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 07:01:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 07:01:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 07:01:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 07:01:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 07:01:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 07:01:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 07:01:26,822 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 07:01:26,823 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-15 07:01:26,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:01:26 BoogieIcfgContainer [2019-10-15 07:01:26,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 07:01:26,825 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 07:01:26,825 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 07:01:26,825 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 07:01:26,826 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:01:26" (1/1) ... [2019-10-15 07:01:26,827 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 [2019-10-15 07:01:26,855 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 07:01:26,855 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 07:01:26,865 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 07:01:26,872 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 07:01:26,873 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 07:01:27,042 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-10-15 07:01:27,934 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 07:01:27,947 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 07:01:27,947 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 07:01:27,949 INFO L168 Benchmark]: Toolchain (without parser) took 1948.41 ms. Allocated memory was 138.4 MB in the beginning and 235.4 MB in the end (delta: 97.0 MB). Free memory was 103.0 MB in the beginning and 201.3 MB in the end (delta: -98.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 07:01:27,949 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory is still 121.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 07:01:27,950 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.79 ms. Allocated memory is still 138.4 MB. Free memory was 103.0 MB in the beginning and 92.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-10-15 07:01:27,951 INFO L168 Benchmark]: Boogie Preprocessor took 122.15 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 92.6 MB in the beginning and 180.0 MB in the end (delta: -87.4 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2019-10-15 07:01:27,952 INFO L168 Benchmark]: RCFGBuilder took 459.37 ms. Allocated memory is still 202.4 MB. Free memory was 180.0 MB in the beginning and 159.6 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-10-15 07:01:27,953 INFO L168 Benchmark]: Sifa took 1122.30 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 159.6 MB in the beginning and 201.3 MB in the end (delta: -41.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 07:01:27,956 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory is still 121.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 240.79 ms. Allocated memory is still 138.4 MB. Free memory was 103.0 MB in the beginning and 92.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.15 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 92.6 MB in the beginning and 180.0 MB in the end (delta: -87.4 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 459.37 ms. Allocated memory is still 202.4 MB. Free memory was 180.0 MB in the beginning and 159.6 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Sifa took 1122.30 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 159.6 MB in the beginning and 201.3 MB in the end (delta: -41.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 1082, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 28, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 20, TOOLS_POST_TIME[ms]: 551, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 41, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 82, TOOLS_QUANTIFIERELIM_APPLICATIONS: 29, TOOLS_QUANTIFIERELIM_TIME[ms]: 650, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 292, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 37, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 12, DOMAIN_JOIN_TIME[ms]: 133, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 4, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 166, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 29, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 446, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 446, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 281, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 280, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 13, 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 124#(and (or (not (= main_~ret~1 main_~ret2~0)) (not (= main_~ret~1 main_~ret5~0))) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...