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/ldv-regression/test_while_int.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 02:25:02,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 02:25:02,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 02:25:02,475 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 02:25:02,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 02:25:02,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 02:25:02,478 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 02:25:02,480 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 02:25:02,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 02:25:02,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 02:25:02,483 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 02:25:02,484 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 02:25:02,485 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 02:25:02,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 02:25:02,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 02:25:02,488 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 02:25:02,489 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 02:25:02,490 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 02:25:02,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 02:25:02,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 02:25:02,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 02:25:02,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 02:25:02,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 02:25:02,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 02:25:02,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-14 02:25:02,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 02:25:02,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 02:25:02,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 02:25:02,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 02:25:02,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 02:25:02,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 02:25:02,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 02:25:02,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 02:25:02,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 02:25:02,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 02:25:02,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 02:25:02,509 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 [2019-10-14 02:25:02,527 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 02:25:02,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 02:25:02,529 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 02:25:02,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 02:25:02,530 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 02:25:02,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 02:25:02,530 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 02:25:02,530 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 02:25:02,531 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 02:25:02,531 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 02:25:02,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 02:25:02,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 02:25:02,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 02:25:02,533 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 02:25:02,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 02:25:02,533 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 02:25:02,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 02:25:02,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 02:25:02,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 02:25:02,534 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 02:25:02,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 02:25:02,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 02:25:02,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 02:25:02,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 02:25:02,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 02:25:02,536 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 02:25:02,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 02:25:02,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 02:25:02,536 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 [2019-10-14 02:25:02,881 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 02:25:02,901 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 02:25:02,905 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 02:25:02,907 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 02:25:02,907 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 02:25:02,908 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_while_int.i [2019-10-14 02:25:02,980 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dec7ce3e/e7bd16d09fbd47c48ee64e3ede751e44/FLAG7ad55dabb [2019-10-14 02:25:03,394 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 02:25:03,394 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_while_int.i [2019-10-14 02:25:03,401 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dec7ce3e/e7bd16d09fbd47c48ee64e3ede751e44/FLAG7ad55dabb [2019-10-14 02:25:03,814 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dec7ce3e/e7bd16d09fbd47c48ee64e3ede751e44 [2019-10-14 02:25:03,826 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 02:25:03,827 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 02:25:03,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 02:25:03,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 02:25:03,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 02:25:03,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:25:03" (1/1) ... [2019-10-14 02:25:03,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@651415e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:25:03, skipping insertion in model container [2019-10-14 02:25:03,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:25:03" (1/1) ... [2019-10-14 02:25:03,843 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 02:25:03,864 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 02:25:04,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:25:04,083 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 02:25:04,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:25:04,121 INFO L192 MainTranslator]: Completed translation [2019-10-14 02:25:04,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:25:04 WrapperNode [2019-10-14 02:25:04,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 02:25:04,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 02:25:04,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 02:25:04,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 02:25:04,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:25:04" (1/1) ... [2019-10-14 02:25:04,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:25:04" (1/1) ... [2019-10-14 02:25:04,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:25:04" (1/1) ... [2019-10-14 02:25:04,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:25:04" (1/1) ... [2019-10-14 02:25:04,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:25:04" (1/1) ... [2019-10-14 02:25:04,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:25:04" (1/1) ... [2019-10-14 02:25:04,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:25:04" (1/1) ... [2019-10-14 02:25:04,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 02:25:04,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 02:25:04,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 02:25:04,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 02:25:04,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:25:04" (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 [2019-10-14 02:25:04,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 02:25:04,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 02:25:04,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-10-14 02:25:04,333 INFO L138 BoogieDeclarations]: Found implementation of procedure check_error [2019-10-14 02:25:04,334 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 02:25:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 02:25:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-10-14 02:25:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure check_error [2019-10-14 02:25:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 02:25:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 02:25:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 02:25:04,523 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 02:25:04,524 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 02:25:04,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:25:04 BoogieIcfgContainer [2019-10-14 02:25:04,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 02:25:04,528 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 02:25:04,528 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 02:25:04,529 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 02:25:04,530 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:25:04" (1/1) ... [2019-10-14 02:25:04,533 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 [2019-10-14 02:25:04,574 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-14 02:25:04,575 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 02:25:04,584 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 02:25:04,600 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 02:25:04,601 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 02:25:04,719 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-10-14 02:25:04,972 INFO L199 IcfgInterpreter]: Interpreting procedure check_error with input of size 6 for LOIs [2019-10-14 02:25:04,974 INFO L199 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 1 for LOIs [2019-10-14 02:25:04,978 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-14 02:25:04,978 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-14 02:25:04,980 INFO L193 IcfgInterpreter]: Reachable states at location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 75#true [2019-10-14 02:25:04,993 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-14 02:25:04,994 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-14 02:25:04,997 INFO L168 Benchmark]: Toolchain (without parser) took 1168.20 ms. Allocated memory was 144.7 MB in the beginning and 203.9 MB in the end (delta: 59.2 MB). Free memory was 102.5 MB in the beginning and 153.3 MB in the end (delta: -50.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. [2019-10-14 02:25:04,998 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 144.7 MB. Free memory is still 120.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-14 02:25:04,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.51 ms. Allocated memory is still 144.7 MB. Free memory was 102.5 MB in the beginning and 93.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-10-14 02:25:05,000 INFO L168 Benchmark]: Boogie Preprocessor took 160.32 ms. Allocated memory was 144.7 MB in the beginning and 203.9 MB in the end (delta: 59.2 MB). Free memory was 93.4 MB in the beginning and 183.0 MB in the end (delta: -89.6 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-10-14 02:25:05,001 INFO L168 Benchmark]: RCFGBuilder took 243.22 ms. Allocated memory is still 203.9 MB. Free memory was 183.0 MB in the beginning and 170.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2019-10-14 02:25:05,003 INFO L168 Benchmark]: Sifa took 465.74 ms. Allocated memory is still 203.9 MB. Free memory was 170.0 MB in the beginning and 153.3 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2019-10-14 02:25:05,007 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 144.7 MB. Free memory is still 120.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 295.51 ms. Allocated memory is still 144.7 MB. Free memory was 102.5 MB in the beginning and 93.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 160.32 ms. Allocated memory was 144.7 MB in the beginning and 203.9 MB in the end (delta: 59.2 MB). Free memory was 93.4 MB in the beginning and 183.0 MB in the end (delta: -89.6 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 243.22 ms. Allocated memory is still 203.9 MB. Free memory was 183.0 MB in the beginning and 170.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. * Sifa took 465.74 ms. Allocated memory is still 203.9 MB. Free memory was 170.0 MB in the beginning and 153.3 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 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]: 406, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 25, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 14, TOOLS_POST_TIME[ms]: 21, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 21, TOOLS_POST_RETURN_APPLICATIONS: 5, TOOLS_POST_RETURN_TIME[ms]: 13, TOOLS_QUANTIFIERELIM_APPLICATIONS: 27, TOOLS_QUANTIFIERELIM_TIME[ms]: 40, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 28, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 8, DOMAIN_JOIN_TIME[ms]: 159, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 68, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 8, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 233, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 232, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 5, CALL_SUMMARIZER_CACHE_MISSES: 3, CALL_SUMMARIZER_OVERALL_TIME[ms]: 106, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 106, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 19, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 15, DAG_COMPRESSION_PROCESSED_NODES: 53, DAG_COMPRESSION_RETAINED_NODES: 35 - 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 75#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...