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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loops/while_infinite_loop_2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 21:39:26,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 21:39:26,473 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 21:39:26,492 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 21:39:26,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 21:39:26,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 21:39:26,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 21:39:26,506 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 21:39:26,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 21:39:26,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 21:39:26,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 21:39:26,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 21:39:26,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 21:39:26,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 21:39:26,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 21:39:26,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 21:39:26,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 21:39:26,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 21:39:26,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 21:39:26,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 21:39:26,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 21:39:26,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 21:39:26,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 21:39:26,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 21:39:26,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-19 21:39:26,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 21:39:26,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 21:39:26,530 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 21:39:26,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 21:39:26,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 21:39:26,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 21:39:26,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 21:39:26,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 21:39:26,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 21:39:26,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 21:39:26,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 21:39:26,535 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 [2019-09-19 21:39:26,549 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 21:39:26,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 21:39:26,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 21:39:26,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 21:39:26,550 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 21:39:26,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 21:39:26,551 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 21:39:26,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 21:39:26,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 21:39:26,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 21:39:26,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 21:39:26,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 21:39:26,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 21:39:26,552 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 21:39:26,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 21:39:26,553 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 21:39:26,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 21:39:26,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 21:39:26,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 21:39:26,554 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 21:39:26,554 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 21:39:26,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 21:39:26,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 21:39:26,555 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 21:39:26,555 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 21:39:26,555 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 21:39:26,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 21:39:26,556 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 21:39:26,556 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 21:39:26,594 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 21:39:26,606 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 21:39:26,609 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 21:39:26,611 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 21:39:26,611 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 21:39:26,612 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/while_infinite_loop_2.c [2019-09-19 21:39:26,689 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f87530cb/5905ff4be26f43d29e48126f37db9177/FLAGe9a125a6a [2019-09-19 21:39:27,157 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 21:39:27,157 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/while_infinite_loop_2.c [2019-09-19 21:39:27,163 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f87530cb/5905ff4be26f43d29e48126f37db9177/FLAGe9a125a6a [2019-09-19 21:39:27,530 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f87530cb/5905ff4be26f43d29e48126f37db9177 [2019-09-19 21:39:27,541 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 21:39:27,543 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 21:39:27,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 21:39:27,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 21:39:27,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 21:39:27,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 09:39:27" (1/1) ... [2019-09-19 21:39:27,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cca5a79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:39:27, skipping insertion in model container [2019-09-19 21:39:27,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 09:39:27" (1/1) ... [2019-09-19 21:39:27,558 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 21:39:27,571 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 21:39:27,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 21:39:27,734 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 21:39:27,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 21:39:27,767 INFO L192 MainTranslator]: Completed translation [2019-09-19 21:39:27,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:39:27 WrapperNode [2019-09-19 21:39:27,768 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 21:39:27,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 21:39:27,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 21:39:27,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 21:39:27,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:39:27" (1/1) ... [2019-09-19 21:39:27,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:39:27" (1/1) ... [2019-09-19 21:39:27,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:39:27" (1/1) ... [2019-09-19 21:39:27,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:39:27" (1/1) ... [2019-09-19 21:39:27,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:39:27" (1/1) ... [2019-09-19 21:39:27,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:39:27" (1/1) ... [2019-09-19 21:39:27,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:39:27" (1/1) ... [2019-09-19 21:39:27,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 21:39:27,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 21:39:27,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 21:39:27,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 21:39:27,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:39:27" (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 [2019-09-19 21:39:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 21:39:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 21:39:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-19 21:39:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 21:39:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 21:39:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-19 21:39:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 21:39:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 21:39:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 21:39:28,075 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 21:39:28,075 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-19 21:39:28,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 09:39:28 BoogieIcfgContainer [2019-09-19 21:39:28,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 21:39:28,077 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 21:39:28,077 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 21:39:28,077 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 21:39:28,078 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 09:39:28" (1/1) ... [2019-09-19 21:39:28,078 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=NeverFluid [2019-09-19 21:39:28,100 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 21:39:28,101 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 21:39:28,108 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 21:39:28,116 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 21:39:28,117 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 21:39:28,170 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-19 21:39:28,368 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 3 for LOIs [2019-09-19 21:39:28,375 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 21:39:28,375 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 21:39:28,377 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 39#false [2019-09-19 21:39:28,385 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-09-19 21:39:28,385 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 21:39:28,388 INFO L168 Benchmark]: Toolchain (without parser) took 844.22 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 87.4 MB in the beginning and 153.6 MB in the end (delta: -66.1 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-09-19 21:39:28,389 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 131.1 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 21:39:28,390 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.26 ms. Allocated memory is still 131.1 MB. Free memory was 87.2 MB in the beginning and 77.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-19 21:39:28,391 INFO L168 Benchmark]: Boogie Preprocessor took 119.90 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 77.7 MB in the beginning and 175.6 MB in the end (delta: -98.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-09-19 21:39:28,392 INFO L168 Benchmark]: RCFGBuilder took 187.91 ms. Allocated memory is still 199.2 MB. Free memory was 175.6 MB in the beginning and 165.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-19 21:39:28,393 INFO L168 Benchmark]: Sifa took 308.49 ms. Allocated memory is still 199.2 MB. Free memory was 165.8 MB in the beginning and 153.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2019-09-19 21:39:28,397 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 131.1 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 224.26 ms. Allocated memory is still 131.1 MB. Free memory was 87.2 MB in the beginning and 77.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.90 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 77.7 MB in the beginning and 175.6 MB in the end (delta: -98.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 187.91 ms. Allocated memory is still 199.2 MB. Free memory was 175.6 MB in the beginning and 165.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Sifa took 308.49 ms. Allocated memory is still 199.2 MB. Free memory was 165.8 MB in the beginning and 153.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 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]: 277, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 21, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 14, TOOLS_POST_TIME[ms]: 5, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 58, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 19, TOOLS_QUANTIFIERELIM_APPLICATIONS: 23, TOOLS_QUANTIFIERELIM_TIME[ms]: 69, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 44, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 22, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 7, DOMAIN_JOIN_TIME[ms]: 108, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME[ms]: 1, DOMAIN_ISBOTTOM_APPLICATIONS: 3, DOMAIN_ISBOTTOM_TIME[ms]: 14, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 153, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 152, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 3, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 95, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 94, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 19, DAG_COMPRESSION_PROCESSED_NODES: 60, DAG_COMPRESSION_RETAINED_NODES: 33 - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold RESULT: Ultimate proved your program to be correct! Received shutdown request...