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/sum05-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 07:01:50,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 07:01:50,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 07:01:50,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 07:01:50,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 07:01:50,932 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 07:01:50,934 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 07:01:50,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 07:01:50,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 07:01:50,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 07:01:50,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 07:01:50,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 07:01:50,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 07:01:50,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 07:01:50,954 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 07:01:50,955 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 07:01:50,956 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 07:01:50,957 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 07:01:50,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 07:01:50,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 07:01:50,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 07:01:50,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 07:01:50,964 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 07:01:50,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 07:01:50,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 07:01:50,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 07:01:50,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 07:01:50,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 07:01:50,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 07:01:50,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 07:01:50,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 07:01:50,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 07:01:50,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 07:01:50,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 07:01:50,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 07:01:50,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 07:01:50,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 07:01:50,974 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 07:01:50,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 07:01:50,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 07:01:50,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 07:01:50,976 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 07:01:50,990 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 07:01:50,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 07:01:50,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 07:01:50,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 07:01:50,992 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 07:01:50,992 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 07:01:50,993 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 07:01:50,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 07:01:50,993 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 07:01:50,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 07:01:50,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 07:01:50,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 07:01:50,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 07:01:50,994 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 07:01:50,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 07:01:50,994 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 07:01:50,995 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 07:01:50,995 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 07:01:50,995 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 07:01:50,995 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 07:01:50,996 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 07:01:50,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 07:01:50,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 07:01:50,996 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 07:01:50,996 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 07:01:50,997 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 07:01:50,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 07:01:50,997 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 07:01:50,997 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 07:01:51,288 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 07:01:51,301 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 07:01:51,304 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 07:01:51,306 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 07:01:51,306 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 07:01:51,307 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/sum05-2.i [2019-10-15 07:01:51,395 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cf9af459/6af9fce8a4854ceeb37f7742cc280d25/FLAG7c69bc66b [2019-10-15 07:01:51,868 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 07:01:51,869 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/sum05-2.i [2019-10-15 07:01:51,878 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cf9af459/6af9fce8a4854ceeb37f7742cc280d25/FLAG7c69bc66b [2019-10-15 07:01:52,259 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cf9af459/6af9fce8a4854ceeb37f7742cc280d25 [2019-10-15 07:01:52,268 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 07:01:52,270 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 07:01:52,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 07:01:52,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 07:01:52,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 07:01:52,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:01:52" (1/1) ... [2019-10-15 07:01:52,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ea19e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:01:52, skipping insertion in model container [2019-10-15 07:01:52,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:01:52" (1/1) ... [2019-10-15 07:01:52,285 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 07:01:52,302 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 07:01:52,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 07:01:52,479 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 07:01:52,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 07:01:52,512 INFO L192 MainTranslator]: Completed translation [2019-10-15 07:01:52,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:01:52 WrapperNode [2019-10-15 07:01:52,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 07:01:52,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 07:01:52,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 07:01:52,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 07:01:52,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:01:52" (1/1) ... [2019-10-15 07:01:52,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:01:52" (1/1) ... [2019-10-15 07:01:52,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:01:52" (1/1) ... [2019-10-15 07:01:52,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:01:52" (1/1) ... [2019-10-15 07:01:52,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:01:52" (1/1) ... [2019-10-15 07:01:52,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:01:52" (1/1) ... [2019-10-15 07:01:52,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:01:52" (1/1) ... [2019-10-15 07:01:52,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 07:01:52,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 07:01:52,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 07:01:52,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 07:01:52,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:01:52" (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 07:01:52,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 07:01:52,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 07:01:52,711 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2019-10-15 07:01:52,711 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 07:01:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 07:01:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 07:01:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2019-10-15 07:01:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 07:01:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 07:01:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 07:01:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 07:01:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 07:01:52,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 07:01:52,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 07:01:53,069 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 07:01:53,069 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-15 07:01:53,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:01:53 BoogieIcfgContainer [2019-10-15 07:01:53,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 07:01:53,071 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 07:01:53,071 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 07:01:53,072 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 07:01:53,073 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:01:53" (1/1) ... [2019-10-15 07:01:53,073 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 07:01:53,096 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 07:01:53,096 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 07:01:53,102 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 07:01:53,110 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 07:01:53,111 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 07:01:53,286 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-10-15 07:01:54,314 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 07:01:54,333 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 07:01:54,333 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 07:01:54,340 INFO L168 Benchmark]: Toolchain (without parser) took 2065.30 ms. Allocated memory was 135.3 MB in the beginning and 226.0 MB in the end (delta: 90.7 MB). Free memory was 99.9 MB in the beginning and 191.6 MB in the end (delta: -91.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 07:01:54,341 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 135.3 MB. Free memory was 118.5 MB in the beginning and 118.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 07:01:54,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.62 ms. Allocated memory is still 135.3 MB. Free memory was 99.5 MB in the beginning and 89.3 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-10-15 07:01:54,343 INFO L168 Benchmark]: Boogie Preprocessor took 128.31 ms. Allocated memory was 135.3 MB in the beginning and 199.2 MB in the end (delta: 64.0 MB). Free memory was 89.3 MB in the beginning and 177.2 MB in the end (delta: -87.9 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2019-10-15 07:01:54,343 INFO L168 Benchmark]: RCFGBuilder took 428.61 ms. Allocated memory is still 199.2 MB. Free memory was 176.5 MB in the beginning and 155.9 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-10-15 07:01:54,352 INFO L168 Benchmark]: Sifa took 1262.36 ms. Allocated memory was 199.2 MB in the beginning and 226.0 MB in the end (delta: 26.7 MB). Free memory was 155.9 MB in the beginning and 191.6 MB in the end (delta: -35.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 07:01:54,359 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 135.3 MB. Free memory was 118.5 MB in the beginning and 118.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 242.62 ms. Allocated memory is still 135.3 MB. Free memory was 99.5 MB in the beginning and 89.3 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.31 ms. Allocated memory was 135.3 MB in the beginning and 199.2 MB in the end (delta: 64.0 MB). Free memory was 89.3 MB in the beginning and 177.2 MB in the end (delta: -87.9 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 428.61 ms. Allocated memory is still 199.2 MB. Free memory was 176.5 MB in the beginning and 155.9 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Sifa took 1262.36 ms. Allocated memory was 199.2 MB in the beginning and 226.0 MB in the end (delta: 26.7 MB). Free memory was 155.9 MB in the beginning and 191.6 MB in the end (delta: -35.6 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]: 1219, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 28, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 20, TOOLS_POST_TIME[ms]: 739, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 33, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 22, TOOLS_QUANTIFIERELIM_APPLICATIONS: 29, TOOLS_QUANTIFIERELIM_TIME[ms]: 768, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 324, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 37, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 12, DOMAIN_JOIN_TIME[ms]: 120, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 132, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 92, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 867, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 864, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 247, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 247, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 20, 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 115#(or (and (exists ((v_prenex_15 Int) (v_sum_~ret~0_BEFORE_RETURN_3 Int)) (or (and (= (mod v_prenex_15 4294967296) main_~ret5~0) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 16))) (<= (mod v_prenex_15 4294967296) 2147483647) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (< main_~i~2 4))) (and (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 16))) (not (<= (mod v_sum_~ret~0_BEFORE_RETURN_3 4294967296) 2147483647)) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (= (+ (mod v_sum_~ret~0_BEFORE_RETURN_3 4294967296) (- 4294967296)) main_~ret5~0) (not (< main_~i~2 4))))) (not (= main_~ret~1 main_~ret5~0))) (and (not (= main_~ret~1 main_~ret2~0)) (exists ((v_prenex_15 Int) (v_sum_~ret~0_BEFORE_RETURN_3 Int)) (or (and (= (mod v_prenex_15 4294967296) main_~ret5~0) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 16))) (<= (mod v_prenex_15 4294967296) 2147483647) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (< main_~i~2 4))) (and (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 16))) (not (<= (mod v_sum_~ret~0_BEFORE_RETURN_3 4294967296) 2147483647)) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (= (+ (mod v_sum_~ret~0_BEFORE_RETURN_3 4294967296) (- 4294967296)) main_~ret5~0) (not (< main_~i~2 4))))))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...