/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/loop-invariants/eq1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:09:36,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:09:36,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:09:36,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:09:36,104 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:09:36,106 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:09:36,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:09:36,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:09:36,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:09:36,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:09:36,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:09:36,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:09:36,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:09:36,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:09:36,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:09:36,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:09:36,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:09:36,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:09:36,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:09:36,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:09:36,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:09:36,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:09:36,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:09:36,155 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:09:36,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 10:09:36,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:09:36,167 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:09:36,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:09:36,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:09:36,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:09:36,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:09:36,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:09:36,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:09:36,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:09:36,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:09:36,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:09:36,174 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 10:09:36,193 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:09:36,193 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:09:36,196 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:09:36,196 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:09:36,196 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:09:36,196 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:09:36,197 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:09:36,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:09:36,197 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:09:36,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:09:36,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:09:36,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:09:36,199 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:09:36,199 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:09:36,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:09:36,200 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:09:36,200 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:09:36,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:09:36,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:09:36,200 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:09:36,201 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:09:36,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:09:36,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:09:36,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:09:36,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:09:36,202 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:09:36,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:09:36,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:09:36,202 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 10:09:36,533 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:09:36,546 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:09:36,549 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:09:36,550 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:09:36,551 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:09:36,552 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invariants/eq1.c [2019-11-07 10:09:36,612 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f11c280c1/3bfa782cebf64e49b88d31e2440eb325/FLAG86fe61816 [2019-11-07 10:09:37,072 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:09:37,073 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invariants/eq1.c [2019-11-07 10:09:37,079 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f11c280c1/3bfa782cebf64e49b88d31e2440eb325/FLAG86fe61816 [2019-11-07 10:09:37,423 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f11c280c1/3bfa782cebf64e49b88d31e2440eb325 [2019-11-07 10:09:37,431 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:09:37,432 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:09:37,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:09:37,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:09:37,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:09:37,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:09:37" (1/1) ... [2019-11-07 10:09:37,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@485597a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:37, skipping insertion in model container [2019-11-07 10:09:37,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:09:37" (1/1) ... [2019-11-07 10:09:37,449 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:09:37,464 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:09:37,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:09:37,650 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:09:37,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:09:37,679 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:09:37,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:37 WrapperNode [2019-11-07 10:09:37,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:09:37,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:09:37,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:09:37,681 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:09:37,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:37" (1/1) ... [2019-11-07 10:09:37,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:37" (1/1) ... [2019-11-07 10:09:37,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:37" (1/1) ... [2019-11-07 10:09:37,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:37" (1/1) ... [2019-11-07 10:09:37,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:37" (1/1) ... [2019-11-07 10:09:37,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:37" (1/1) ... [2019-11-07 10:09:37,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:37" (1/1) ... [2019-11-07 10:09:37,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:09:37,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:09:37,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:09:37,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:09:37,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:37" (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 10:09:37,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:09:37,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:09:37,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 10:09:37,835 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:09:37,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:09:37,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-11-07 10:09:37,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 10:09:37,836 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:09:37,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:09:37,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:09:38,067 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:09:38,068 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 10:09:38,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:09:38 BoogieIcfgContainer [2019-11-07 10:09:38,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:09:38,073 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:09:38,073 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:09:38,074 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:09:38,078 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:09:38" (1/1) ... [2019-11-07 10:09:38,079 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 10:09:38,127 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:09:38,127 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:09:38,135 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:09:38,142 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:09:38,144 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:09:38,196 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-11-07 10:09:38,247 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 3 for LOIs [2019-11-07 10:09:38,251 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:09:38,270 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-11-07 10:09:38,270 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:09:38,274 INFO L168 Benchmark]: Toolchain (without parser) took 839.83 ms. Allocated memory was 137.9 MB in the beginning and 199.2 MB in the end (delta: 61.3 MB). Free memory was 103.4 MB in the beginning and 157.1 MB in the end (delta: -53.7 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. [2019-11-07 10:09:38,275 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 10:09:38,278 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.80 ms. Allocated memory is still 137.9 MB. Free memory was 103.2 MB in the beginning and 94.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-11-07 10:09:38,279 INFO L168 Benchmark]: Boogie Preprocessor took 102.32 ms. Allocated memory was 137.9 MB in the beginning and 199.2 MB in the end (delta: 61.3 MB). Free memory was 94.0 MB in the beginning and 178.6 MB in the end (delta: -84.6 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2019-11-07 10:09:38,280 INFO L168 Benchmark]: RCFGBuilder took 284.31 ms. Allocated memory is still 199.2 MB. Free memory was 177.6 MB in the beginning and 164.1 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2019-11-07 10:09:38,281 INFO L168 Benchmark]: Sifa took 197.35 ms. Allocated memory is still 199.2 MB. Free memory was 164.1 MB in the beginning and 157.1 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 7.1 GB. [2019-11-07 10:09:38,285 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 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 246.80 ms. Allocated memory is still 137.9 MB. Free memory was 103.2 MB in the beginning and 94.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.32 ms. Allocated memory was 137.9 MB in the beginning and 199.2 MB in the end (delta: 61.3 MB). Free memory was 94.0 MB in the beginning and 178.6 MB in the end (delta: -84.6 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 284.31 ms. Allocated memory is still 199.2 MB. Free memory was 177.6 MB in the beginning and 164.1 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * Sifa took 197.35 ms. Allocated memory is still 199.2 MB. Free memory was 164.1 MB in the beginning and 157.1 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 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]: 125, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 0, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 7, TOOLS_POST_TIME[ms]: 36, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 10, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 11, TOOLS_QUANTIFIERELIM_TIME[ms]: 37, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 22, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 15, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 0, DOMAIN_JOIN_TIME[ms]: 0, 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]: 2, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 28, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 27, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 5, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 14, DAG_COMPRESSION_PROCESSED_NODES: 45, DAG_COMPRESSION_RETAINED_NODES: 29 - 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...