/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/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/array-examples/standard_compareModified_ground.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 07:14:49,003 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 07:14:49,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 07:14:49,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 07:14:49,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 07:14:49,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 07:14:49,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 07:14:49,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 07:14:49,024 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 07:14:49,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 07:14:49,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 07:14:49,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 07:14:49,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 07:14:49,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 07:14:49,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 07:14:49,030 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 07:14:49,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 07:14:49,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 07:14:49,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 07:14:49,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 07:14:49,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 07:14:49,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 07:14:49,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 07:14:49,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 07:14:49,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 07:14:49,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 07:14:49,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 07:14:49,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 07:14:49,050 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 07:14:49,051 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 07:14:49,051 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 07:14:49,052 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 07:14:49,052 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 07:14:49,053 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 07:14:49,054 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 07:14:49,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 07:14:49,055 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 [2019-11-07 07:14:49,071 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 07:14:49,071 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 07:14:49,072 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 07:14:49,072 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 07:14:49,072 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 07:14:49,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 07:14:49,073 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 07:14:49,073 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 07:14:49,073 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 07:14:49,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 07:14:49,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 07:14:49,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 07:14:49,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 07:14:49,074 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 07:14:49,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 07:14:49,075 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 07:14:49,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 07:14:49,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 07:14:49,075 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 07:14:49,075 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 07:14:49,076 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 07:14:49,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 07:14:49,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 07:14:49,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 07:14:49,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 07:14:49,077 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 07:14:49,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 07:14:49,077 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 07:14:49,077 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 [2019-11-07 07:14:49,365 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 07:14:49,379 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 07:14:49,382 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 07:14:49,384 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 07:14:49,384 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 07:14:49,385 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_compareModified_ground.i [2019-11-07 07:14:49,465 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f2cd32f5/c216e3d551f3481fa71437eaba414ed6/FLAG2e0e5f77c [2019-11-07 07:14:49,938 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 07:14:49,939 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_compareModified_ground.i [2019-11-07 07:14:49,945 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f2cd32f5/c216e3d551f3481fa71437eaba414ed6/FLAG2e0e5f77c [2019-11-07 07:14:50,354 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f2cd32f5/c216e3d551f3481fa71437eaba414ed6 [2019-11-07 07:14:50,365 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 07:14:50,367 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 07:14:50,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 07:14:50,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 07:14:50,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 07:14:50,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:14:50" (1/1) ... [2019-11-07 07:14:50,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ceec6f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:14:50, skipping insertion in model container [2019-11-07 07:14:50,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:14:50" (1/1) ... [2019-11-07 07:14:50,388 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 07:14:50,409 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 07:14:50,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:14:50,678 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 07:14:50,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:14:50,873 INFO L192 MainTranslator]: Completed translation [2019-11-07 07:14:50,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:14:50 WrapperNode [2019-11-07 07:14:50,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 07:14:50,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 07:14:50,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 07:14:50,875 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 07:14:50,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:14:50" (1/1) ... [2019-11-07 07:14:50,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:14:50" (1/1) ... [2019-11-07 07:14:50,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:14:50" (1/1) ... [2019-11-07 07:14:50,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:14:50" (1/1) ... [2019-11-07 07:14:50,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:14:50" (1/1) ... [2019-11-07 07:14:50,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:14:50" (1/1) ... [2019-11-07 07:14:50,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:14:50" (1/1) ... [2019-11-07 07:14:50,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 07:14:50,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 07:14:50,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 07:14:50,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 07:14:50,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:14:50" (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 [2019-11-07 07:14:51,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 07:14:51,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 07:14:51,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 07:14:51,009 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 07:14:51,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 07:14:51,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 07:14:51,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 07:14:51,010 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 07:14:51,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 07:14:51,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 07:14:51,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 07:14:51,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 07:14:51,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 07:14:51,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 07:14:51,442 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 07:14:51,442 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 07:14:51,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:14:51 BoogieIcfgContainer [2019-11-07 07:14:51,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 07:14:51,444 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 07:14:51,445 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 07:14:51,445 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 07:14:51,446 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:14:51" (1/1) ... [2019-11-07 07:14:51,447 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 [2019-11-07 07:14:51,470 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 07:14:51,470 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 07:14:51,477 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 07:14:51,484 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 07:14:51,485 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 07:14:51,616 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-11-07 07:14:54,122 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2019-11-07 07:14:54,547 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 9 for LOIs [2019-11-07 07:14:54,548 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 07:14:54,561 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 07:14:54,561 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 07:14:54,563 INFO L168 Benchmark]: Toolchain (without parser) took 4196.33 ms. Allocated memory was 144.7 MB in the beginning and 234.4 MB in the end (delta: 89.7 MB). Free memory was 100.8 MB in the beginning and 201.7 MB in the end (delta: -100.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 07:14:54,564 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-07 07:14:54,565 INFO L168 Benchmark]: CACSL2BoogieTranslator took 504.00 ms. Allocated memory was 144.7 MB in the beginning and 203.9 MB in the end (delta: 59.2 MB). Free memory was 100.6 MB in the beginning and 183.2 MB in the end (delta: -82.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. [2019-11-07 07:14:54,566 INFO L168 Benchmark]: Boogie Preprocessor took 70.64 ms. Allocated memory is still 203.9 MB. Free memory was 183.2 MB in the beginning and 180.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-11-07 07:14:54,567 INFO L168 Benchmark]: RCFGBuilder took 498.14 ms. Allocated memory is still 203.9 MB. Free memory was 180.8 MB in the beginning and 158.4 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2019-11-07 07:14:54,568 INFO L168 Benchmark]: Sifa took 3117.19 ms. Allocated memory was 203.9 MB in the beginning and 234.4 MB in the end (delta: 30.4 MB). Free memory was 158.4 MB in the beginning and 201.7 MB in the end (delta: -43.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 07:14:54,571 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 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 504.00 ms. Allocated memory was 144.7 MB in the beginning and 203.9 MB in the end (delta: 59.2 MB). Free memory was 100.6 MB in the beginning and 183.2 MB in the end (delta: -82.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 70.64 ms. Allocated memory is still 203.9 MB. Free memory was 183.2 MB in the beginning and 180.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 498.14 ms. Allocated memory is still 203.9 MB. Free memory was 180.8 MB in the beginning and 158.4 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Sifa took 3117.19 ms. Allocated memory was 203.9 MB in the beginning and 234.4 MB in the end (delta: 30.4 MB). Free memory was 158.4 MB in the beginning and 201.7 MB in the end (delta: -43.2 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]: 3079, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 4, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 35, TOOLS_POST_TIME[ms]: 504, TOOLS_POST_CALL_APPLICATIONS: 11, TOOLS_POST_CALL_TIME[ms]: 79, TOOLS_POST_RETURN_APPLICATIONS: 8, TOOLS_POST_RETURN_TIME[ms]: 15, TOOLS_QUANTIFIERELIM_APPLICATIONS: 54, TOOLS_QUANTIFIERELIM_TIME[ms]: 557, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 270, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 73, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 4, DOMAIN_JOIN_TIME[ms]: 40, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 244, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 2114, DOMAIN_ISBOTTOM_APPLICATIONS: 4, DOMAIN_ISBOTTOM_TIME[ms]: 6, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2870, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2869, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 8, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 99, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 98, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 18, DAG_COMPRESSION_PROCESSED_NODES: 133, DAG_COMPRESSION_RETAINED_NODES: 53 - UnprovableResult [Line: 2]: 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 112#(and (<= 0 |__VERIFIER_assert_#in~cond|) (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (<= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...