/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/loops/linear_sea.ch.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:38:42,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:38:42,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:38:42,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:38:42,948 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:38:42,949 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:38:42,951 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:38:42,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:38:42,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:38:42,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:38:42,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:38:42,957 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:38:42,957 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:38:42,958 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:38:42,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:38:42,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:38:42,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:38:42,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:38:42,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:38:42,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:38:42,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:38:42,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:38:42,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:38:42,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:38:42,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 16:38:42,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:38:42,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:38:42,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:38:42,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:38:42,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:38:42,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:38:42,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:38:42,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:38:42,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:38:42,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:38:42,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:38:42,981 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 16:38:42,996 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:38:42,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:38:42,997 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:38:42,997 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:38:42,997 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:38:42,998 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:38:42,998 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:38:42,998 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:38:42,998 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:38:42,998 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:38:42,998 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:38:42,999 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:38:42,999 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:38:42,999 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:38:42,999 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:38:43,000 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:38:43,000 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:38:43,000 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:38:43,000 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:38:43,001 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:38:43,001 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:38:43,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:38:43,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:38:43,001 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:38:43,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:38:43,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:38:43,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:38:43,002 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:38:43,002 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:38:43,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:38:43,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:38:43,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:38:43,003 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:38:43,003 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:38:43,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:38:43,004 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:38:43,004 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:38:43,004 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:38:43,272 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:38:43,286 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:38:43,290 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:38:43,291 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:38:43,292 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:38:43,292 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/linear_sea.ch.c [2019-11-24 16:38:43,363 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cb2c0d41/b548204502fa46f5a27e2de56cc0de0a/FLAGac60973b0 [2019-11-24 16:38:43,806 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:38:43,807 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/linear_sea.ch.c [2019-11-24 16:38:43,813 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cb2c0d41/b548204502fa46f5a27e2de56cc0de0a/FLAGac60973b0 [2019-11-24 16:38:44,221 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cb2c0d41/b548204502fa46f5a27e2de56cc0de0a [2019-11-24 16:38:44,229 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:38:44,231 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:38:44,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:38:44,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:38:44,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:38:44,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:38:44" (1/1) ... [2019-11-24 16:38:44,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@843e590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:38:44, skipping insertion in model container [2019-11-24 16:38:44,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:38:44" (1/1) ... [2019-11-24 16:38:44,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:38:44,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:38:44,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:38:44,455 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:38:44,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:38:44,485 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:38:44,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:38:44 WrapperNode [2019-11-24 16:38:44,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:38:44,486 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:38:44,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:38:44,487 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:38:44,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:38:44" (1/1) ... [2019-11-24 16:38:44,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:38:44" (1/1) ... [2019-11-24 16:38:44,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:38:44,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:38:44,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:38:44,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:38:44,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:38:44" (1/1) ... [2019-11-24 16:38:44,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:38:44" (1/1) ... [2019-11-24 16:38:44,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:38:44" (1/1) ... [2019-11-24 16:38:44,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:38:44" (1/1) ... [2019-11-24 16:38:44,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:38:44" (1/1) ... [2019-11-24 16:38:44,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:38:44" (1/1) ... [2019-11-24 16:38:44,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:38:44" (1/1) ... [2019-11-24 16:38:44,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:38:44,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:38:44,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:38:44,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:38:44,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:38:44" (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 [2019-11-24 16:38:44,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 16:38:44,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 16:38:44,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:38:44,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:38:44,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 16:38:44,989 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:38:44,989 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-24 16:38:44,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:38:44 BoogieIcfgContainer [2019-11-24 16:38:44,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:38:44,991 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:38:44,991 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:38:44,991 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:38:44,992 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:38:44" (1/1) ... [2019-11-24 16:38:44,994 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 [2019-11-24 16:38:45,026 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 16:38:45,026 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:38:45,035 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:38:45,043 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:38:45,048 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:38:47,171 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= 0 (select |#valid| 0)) [2019-11-24 16:38:47,196 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:38:47,372 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:38:47,399 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:38:47,430 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:38:47,460 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:38:47,478 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:38:47,524 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:38:47,542 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:38:47,557 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:38:47,574 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:38:47,590 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:38:47,739 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-11-24 16:38:48,102 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 16:38:48,116 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 16:38:48,116 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 16:38:48,118 INFO L168 Benchmark]: Toolchain (without parser) took 3887.34 ms. Allocated memory was 145.2 MB in the beginning and 235.4 MB in the end (delta: 90.2 MB). Free memory was 102.7 MB in the beginning and 207.0 MB in the end (delta: -104.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-11-24 16:38:48,119 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-11-24 16:38:48,120 INFO L168 Benchmark]: CACSL2BoogieTranslator took 254.44 ms. Allocated memory is still 145.2 MB. Free memory was 102.5 MB in the beginning and 92.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-11-24 16:38:48,121 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.67 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 92.4 MB in the beginning and 180.3 MB in the end (delta: -87.9 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-11-24 16:38:48,122 INFO L168 Benchmark]: Boogie Preprocessor took 24.79 ms. Allocated memory is still 201.9 MB. Free memory was 180.3 MB in the beginning and 178.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-11-24 16:38:48,123 INFO L168 Benchmark]: RCFGBuilder took 350.00 ms. Allocated memory is still 201.9 MB. Free memory was 178.5 MB in the beginning and 160.0 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. [2019-11-24 16:38:48,124 INFO L168 Benchmark]: Sifa took 3125.38 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 160.0 MB in the beginning and 207.0 MB in the end (delta: -47.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-11-24 16:38:48,128 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 254.44 ms. Allocated memory is still 145.2 MB. Free memory was 102.5 MB in the beginning and 92.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 128.67 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 92.4 MB in the beginning and 180.3 MB in the end (delta: -87.9 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.79 ms. Allocated memory is still 201.9 MB. Free memory was 180.3 MB in the beginning and 178.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 350.00 ms. Allocated memory is still 201.9 MB. Free memory was 178.5 MB in the beginning and 160.0 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. * Sifa took 3125.38 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 160.0 MB in the beginning and 207.0 MB in the end (delta: -47.0 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]: 3078, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 2, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 13, TOOLS_POST_TIME[ms]: 2953, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 13, TOOLS_QUANTIFIERELIM_TIME[ms]: 2939, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 2177, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 19, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 2, DOMAIN_JOIN_TIME[ms]: 6, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 29, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 4, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 10, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 7, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 90, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 88, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 3, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 11, DAG_COMPRESSION_PROCESSED_NODES: 46, DAG_COMPRESSION_RETAINED_NODES: 21 - UnprovableResult [Line: 6]: 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 27#(and (or (and (= 1 |ULTIMATE.start_linear_search_#res|) (< (mod ULTIMATE.start_linear_search_~j~0 4294967296) (mod ~SIZE~0 4294967296))) (and (not (< (mod ULTIMATE.start_linear_search_~j~0 4294967296) (mod ~SIZE~0 4294967296))) (= 0 |ULTIMATE.start_linear_search_#res|))) (<= 0 (+ |ULTIMATE.start_main_#t~ret5| 2147483648)) (= |ULTIMATE.start_main_#t~ret5| |ULTIMATE.start_linear_search_#res|) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (<= |ULTIMATE.start_main_#t~ret5| 2147483647) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| |ULTIMATE.start_main_#t~ret5|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...