/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/SifaCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test15.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:03:13,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:03:13,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:03:13,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:03:13,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:03:13,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:03:13,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:03:13,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:03:13,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:03:13,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:03:13,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:03:13,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:03:13,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:03:13,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:03:13,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:03:13,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:03:13,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:03:13,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:03:13,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:03:13,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:03:13,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:03:13,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:03:13,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:03:13,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:03:13,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 16:03:13,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:03:13,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:03:13,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:03:13,176 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 16:03:13,200 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:03:13,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:03:13,202 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:03:13,202 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:03:13,202 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:03:13,203 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:03:13,203 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:03:13,203 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:03:13,203 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:03:13,203 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:03:13,205 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:03:13,205 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:03:13,205 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:03:13,206 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:03:13,206 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:03:13,207 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:03:13,207 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:03:13,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:03:13,207 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:03:13,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:03:13,208 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:03:13,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:03:13,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:03:13,209 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:03:13,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:03:13,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:03:13,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:03:13,210 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:03:13,211 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:03:13,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:03:13,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:03:13,212 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:03:13,212 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:03:13,212 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:03:13,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:03:13,213 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:03:13,213 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:03:13,213 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:03:13,511 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:03:13,524 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:03:13,530 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:03:13,531 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:03:13,532 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:03:13,532 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test15.c [2019-11-24 16:03:13,600 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e97c33cc/2ebf38bc945b456ea492726564a2ea1e/FLAGed01751a1 [2019-11-24 16:03:14,025 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:03:14,026 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test15.c [2019-11-24 16:03:14,033 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e97c33cc/2ebf38bc945b456ea492726564a2ea1e/FLAGed01751a1 [2019-11-24 16:03:14,424 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e97c33cc/2ebf38bc945b456ea492726564a2ea1e [2019-11-24 16:03:14,436 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:03:14,438 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:03:14,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:03:14,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:03:14,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:03:14,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:03:14" (1/1) ... [2019-11-24 16:03:14,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24142310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:14, skipping insertion in model container [2019-11-24 16:03:14,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:03:14" (1/1) ... [2019-11-24 16:03:14,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:03:14,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:03:14,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:03:14,631 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:03:14,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:03:14,663 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:03:14,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:14 WrapperNode [2019-11-24 16:03:14,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:03:14,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:03:14,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:03:14,665 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:03:14,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:14" (1/1) ... [2019-11-24 16:03:14,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:14" (1/1) ... [2019-11-24 16:03:14,777 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:03:14,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:03:14,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:03:14,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:03:14,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:14" (1/1) ... [2019-11-24 16:03:14,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:14" (1/1) ... [2019-11-24 16:03:14,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:14" (1/1) ... [2019-11-24 16:03:14,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:14" (1/1) ... [2019-11-24 16:03:14,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:14" (1/1) ... [2019-11-24 16:03:14,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:14" (1/1) ... [2019-11-24 16:03:14,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:14" (1/1) ... [2019-11-24 16:03:14,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:03:14,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:03:14,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:03:14,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:03:14,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:14" (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 [2019-11-24 16:03:14,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 16:03:14,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:03:14,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:03:14,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 16:03:14,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 16:03:14,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 16:03:15,123 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:03:15,123 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-24 16:03:15,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:03:15 BoogieIcfgContainer [2019-11-24 16:03:15,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:03:15,126 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:03:15,126 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:03:15,127 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:03:15,128 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:03:15" (1/1) ... [2019-11-24 16:03:15,129 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 [2019-11-24 16:03:15,163 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 16:03:15,163 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:03:15,173 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:03:15,181 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:03:15,182 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:03:15,622 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 16:03:15,633 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-11-24 16:03:15,633 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 16:03:15,635 INFO L168 Benchmark]: Toolchain (without parser) took 1197.23 ms. Allocated memory was 138.4 MB in the beginning and 199.8 MB in the end (delta: 61.3 MB). Free memory was 103.3 MB in the beginning and 137.9 MB in the end (delta: -34.6 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-11-24 16:03:15,637 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 16:03:15,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.95 ms. Allocated memory is still 138.4 MB. Free memory was 103.1 MB in the beginning and 93.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-11-24 16:03:15,639 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.75 ms. Allocated memory was 138.4 MB in the beginning and 199.8 MB in the end (delta: 61.3 MB). Free memory was 93.4 MB in the beginning and 178.4 MB in the end (delta: -85.0 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2019-11-24 16:03:15,640 INFO L168 Benchmark]: Boogie Preprocessor took 18.37 ms. Allocated memory is still 199.8 MB. Free memory was 178.4 MB in the beginning and 177.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-11-24 16:03:15,641 INFO L168 Benchmark]: RCFGBuilder took 329.14 ms. Allocated memory is still 199.8 MB. Free memory was 176.7 MB in the beginning and 161.2 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. [2019-11-24 16:03:15,642 INFO L168 Benchmark]: Sifa took 507.54 ms. Allocated memory is still 199.8 MB. Free memory was 161.2 MB in the beginning and 137.9 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2019-11-24 16:03:15,647 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 224.95 ms. Allocated memory is still 138.4 MB. Free memory was 103.1 MB in the beginning and 93.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 112.75 ms. Allocated memory was 138.4 MB in the beginning and 199.8 MB in the end (delta: 61.3 MB). Free memory was 93.4 MB in the beginning and 178.4 MB in the end (delta: -85.0 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 18.37 ms. Allocated memory is still 199.8 MB. Free memory was 178.4 MB in the beginning and 177.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 329.14 ms. Allocated memory is still 199.8 MB. Free memory was 176.7 MB in the beginning and 161.2 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. * Sifa took 507.54 ms. Allocated memory is still 199.8 MB. Free memory was 161.2 MB in the beginning and 137.9 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 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]: 461, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 0, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 3, TOOLS_POST_TIME[ms]: 396, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 3, TOOLS_QUANTIFIERELIM_TIME[ms]: 392, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 391, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 4, 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: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 0, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 3, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 12, DAG_COMPRESSION_TIME[ms]: 9, DAG_COMPRESSION_PROCESSED_NODES: 14, DAG_COMPRESSION_RETAINED_NODES: 9 - PositiveResult [Line: 19]: 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...