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/loop-invgen/id_build.i.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 06:34:02,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 06:34:02,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 06:34:02,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 06:34:02,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 06:34:02,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 06:34:02,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 06:34:02,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 06:34:02,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 06:34:02,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 06:34:02,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 06:34:02,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 06:34:02,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 06:34:02,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 06:34:02,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 06:34:02,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 06:34:02,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 06:34:02,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 06:34:02,408 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 06:34:02,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 06:34:02,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 06:34:02,415 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 06:34:02,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 06:34:02,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 06:34:02,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 06:34:02,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 06:34:02,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 06:34:02,425 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 06:34:02,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 06:34:02,429 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 06:34:02,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 06:34:02,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 06:34:02,431 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 06:34:02,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 06:34:02,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 06:34:02,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 06:34:02,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 06:34:02,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 06:34:02,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 06:34:02,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 06:34:02,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 06:34:02,441 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 06:34:02,462 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 06:34:02,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 06:34:02,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 06:34:02,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 06:34:02,465 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 06:34:02,465 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 06:34:02,466 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 06:34:02,466 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 06:34:02,466 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 06:34:02,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 06:34:02,467 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 06:34:02,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 06:34:02,468 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 06:34:02,468 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 06:34:02,468 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 06:34:02,468 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 06:34:02,469 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 06:34:02,469 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 06:34:02,469 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 06:34:02,469 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 06:34:02,470 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 06:34:02,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 06:34:02,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 06:34:02,470 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 06:34:02,470 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 06:34:02,471 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 06:34:02,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 06:34:02,471 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 06:34:02,471 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 06:34:02,770 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 06:34:02,785 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 06:34:02,788 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 06:34:02,790 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 06:34:02,790 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 06:34:02,791 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-10-15 06:34:02,872 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbeddc33e/0bfe4efa694f4df3a177c43a2d054a03/FLAG448a5b51b [2019-10-15 06:34:03,317 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 06:34:03,317 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-10-15 06:34:03,325 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbeddc33e/0bfe4efa694f4df3a177c43a2d054a03/FLAG448a5b51b [2019-10-15 06:34:03,682 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbeddc33e/0bfe4efa694f4df3a177c43a2d054a03 [2019-10-15 06:34:03,692 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 06:34:03,694 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 06:34:03,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 06:34:03,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 06:34:03,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 06:34:03,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:34:03" (1/1) ... [2019-10-15 06:34:03,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@385043e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:03, skipping insertion in model container [2019-10-15 06:34:03,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:34:03" (1/1) ... [2019-10-15 06:34:03,711 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 06:34:03,734 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 06:34:03,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:34:03,946 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 06:34:03,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:34:03,983 INFO L192 MainTranslator]: Completed translation [2019-10-15 06:34:03,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:03 WrapperNode [2019-10-15 06:34:03,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 06:34:03,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 06:34:03,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 06:34:03,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 06:34:04,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:03" (1/1) ... [2019-10-15 06:34:04,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:03" (1/1) ... [2019-10-15 06:34:04,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:03" (1/1) ... [2019-10-15 06:34:04,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:03" (1/1) ... [2019-10-15 06:34:04,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:03" (1/1) ... [2019-10-15 06:34:04,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:03" (1/1) ... [2019-10-15 06:34:04,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:03" (1/1) ... [2019-10-15 06:34:04,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 06:34:04,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 06:34:04,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 06:34:04,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 06:34:04,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:03" (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 06:34:04,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 06:34:04,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 06:34:04,179 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 06:34:04,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 06:34:04,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 06:34:04,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 06:34:04,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 06:34:04,179 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 06:34:04,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 06:34:04,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 06:34:04,439 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 06:34:04,440 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 06:34:04,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:34:04 BoogieIcfgContainer [2019-10-15 06:34:04,442 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 06:34:04,442 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 06:34:04,443 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 06:34:04,443 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 06:34:04,448 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:34:04" (1/1) ... [2019-10-15 06:34:04,449 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 06:34:04,488 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-10-15 06:34:04,489 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 06:34:04,497 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 06:34:04,507 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 06:34:04,508 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 06:34:04,658 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 12 for LOIs [2019-10-15 06:34:05,808 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 06:34:05,829 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 06:34:05,830 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 06:34:05,835 INFO L168 Benchmark]: Toolchain (without parser) took 2139.06 ms. Allocated memory was 145.2 MB in the beginning and 234.4 MB in the end (delta: 89.1 MB). Free memory was 102.3 MB in the beginning and 154.2 MB in the end (delta: -51.8 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. [2019-10-15 06:34:05,837 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-15 06:34:05,839 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.34 ms. Allocated memory is still 145.2 MB. Free memory was 102.1 MB in the beginning and 92.4 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-10-15 06:34:05,841 INFO L168 Benchmark]: Boogie Preprocessor took 136.13 ms. Allocated memory was 145.2 MB in the beginning and 201.3 MB in the end (delta: 56.1 MB). Free memory was 92.4 MB in the beginning and 180.4 MB in the end (delta: -88.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-10-15 06:34:05,842 INFO L168 Benchmark]: RCFGBuilder took 320.98 ms. Allocated memory is still 201.3 MB. Free memory was 180.4 MB in the beginning and 166.9 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2019-10-15 06:34:05,848 INFO L168 Benchmark]: Sifa took 1388.28 ms. Allocated memory was 201.3 MB in the beginning and 234.4 MB in the end (delta: 33.0 MB). Free memory was 166.9 MB in the beginning and 154.2 MB in the end (delta: 12.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 7.1 GB. [2019-10-15 06:34:05,860 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 289.34 ms. Allocated memory is still 145.2 MB. Free memory was 102.1 MB in the beginning and 92.4 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 136.13 ms. Allocated memory was 145.2 MB in the beginning and 201.3 MB in the end (delta: 56.1 MB). Free memory was 92.4 MB in the beginning and 180.4 MB in the end (delta: -88.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 320.98 ms. Allocated memory is still 201.3 MB. Free memory was 180.4 MB in the beginning and 166.9 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * Sifa took 1388.28 ms. Allocated memory was 201.3 MB in the beginning and 234.4 MB in the end (delta: 33.0 MB). Free memory was 166.9 MB in the beginning and 154.2 MB in the end (delta: 12.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 1320, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 57, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 48, TOOLS_POST_TIME[ms]: 113, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 20, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 51, TOOLS_QUANTIFIERELIM_TIME[ms]: 98, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 70, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 17, DOMAIN_JOIN_TIME[ms]: 714, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 312, DOMAIN_ISSUBSETEQ_APPLICATIONS: 13, DOMAIN_ISSUBSETEQ_TIME[ms]: 59, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 8, LOOP_SUMMARIZER_APPLICATIONS: 7, LOOP_SUMMARIZER_CACHE_MISSES: 7, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 960, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 958, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 13, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 95, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 95, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 17, DAG_COMPRESSION_PROCESSED_NODES: 111, DAG_COMPRESSION_RETAINED_NODES: 47 - PositiveResult [Line: 43]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 59]: 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 189#(and (= (ite (<= (+ main_~main__i~0 1) main_~main__nlen~0) 1 0) main_~__tmp_3~0) (<= 0 main_~main__i~0) (<= main_~__VERIFIER_assert__cond~2 0) (<= 0 ~__return_100~0) (<= 0 ~__return_main~0) (<= main_~__VERIFIER_assert__cond~1 1) (<= ~__return_main~0 0) (<= ~__return_100~0 0) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2) (= |old(~__return_100~0)| 0) (= main_~__VERIFIER_assert__cond~2 0) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 main_~main__nlen~0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= 0 main_~__VERIFIER_assert__cond~2) (<= 0 main_~__tmp_1~0) (<= main_~main__j~0 8) (<= 0 main_~__tmp_3~0) (<= 1 main_~__tmp_2~0) (<= main_~main__nlen~0 2147483647) (< main_~main__j~0 8) (<= 1 main_~__VERIFIER_assert__cond~1) (<= main_~__tmp_1~0 1) (<= main_~__tmp_2~0 1) (<= main_~__tmp_3~0 0) (<= |old(~__return_100~0)| 0) (= ~__return_main~0 0) (<= 0 |old(~__return_100~0)|)). Possible FailurePath: - PositiveResult [Line: 30]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...