/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/loops/while_infinite_loop_3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:42:56,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:42:56,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:42:56,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:42:56,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:42:56,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:42:56,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:42:56,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:42:56,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:42:56,066 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:42:56,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:42:56,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:42:56,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:42:56,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:42:56,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:42:56,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:42:56,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:42:56,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:42:56,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:42:56,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:42:56,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:42:56,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:42:56,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:42:56,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:42:56,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 16:42:56,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 16:42:56,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 16:42:56,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 16:42:56,084 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 16:42:56,085 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 16:42:56,085 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:42:56,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:42:56,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:42:56,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:42:56,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:42:56,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:42:56,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:42:56,089 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:42:56,089 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:42:56,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:42:56,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:42:56,091 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 16:42:56,106 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:42:56,106 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:42:56,107 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:42:56,107 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:42:56,108 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:42:56,108 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:42:56,108 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:42:56,108 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:42:56,108 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:42:56,108 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:42:56,109 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:42:56,109 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:42:56,109 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:42:56,109 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:42:56,109 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:42:56,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:42:56,110 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:42:56,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:42:56,111 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:42:56,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:42:56,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:42:56,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:42:56,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:42:56,112 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:42:56,112 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:42:56,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:42:56,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:42:56,112 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:42:56,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:42:56,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:42:56,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:42:56,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:42:56,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:42:56,113 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:42:56,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:42:56,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:42:56,114 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:42:56,114 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:42:56,386 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:42:56,404 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:42:56,407 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:42:56,409 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:42:56,409 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:42:56,410 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/while_infinite_loop_3.c [2019-11-24 16:42:56,481 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/426ebce29/96740014348647989ce0e930fd784c02/FLAG7b3693e8c [2019-11-24 16:42:56,938 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:42:56,939 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/while_infinite_loop_3.c [2019-11-24 16:42:56,945 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/426ebce29/96740014348647989ce0e930fd784c02/FLAG7b3693e8c [2019-11-24 16:42:57,309 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/426ebce29/96740014348647989ce0e930fd784c02 [2019-11-24 16:42:57,316 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:42:57,318 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:42:57,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:42:57,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:42:57,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:42:57,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:42:57" (1/1) ... [2019-11-24 16:42:57,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7972f3a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:57, skipping insertion in model container [2019-11-24 16:42:57,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:42:57" (1/1) ... [2019-11-24 16:42:57,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:42:57,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:42:57,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:42:57,523 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:42:57,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:42:57,551 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:42:57,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:57 WrapperNode [2019-11-24 16:42:57,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:42:57,552 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:42:57,552 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:42:57,552 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:42:57,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:57" (1/1) ... [2019-11-24 16:42:57,567 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:57" (1/1) ... [2019-11-24 16:42:57,678 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:42:57,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:42:57,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:42:57,679 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:42:57,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:57" (1/1) ... [2019-11-24 16:42:57,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:57" (1/1) ... [2019-11-24 16:42:57,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:57" (1/1) ... [2019-11-24 16:42:57,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:57" (1/1) ... [2019-11-24 16:42:57,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:57" (1/1) ... [2019-11-24 16:42:57,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:57" (1/1) ... [2019-11-24 16:42:57,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:57" (1/1) ... [2019-11-24 16:42:57,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:42:57,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:42:57,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:42:57,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:42:57,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:57" (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 16:42:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:42:57,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:42:57,981 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:42:57,981 INFO L284 CfgBuilder]: Removed 12 assume(true) statements. [2019-11-24 16:42:57,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:42:57 BoogieIcfgContainer [2019-11-24 16:42:57,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:42:57,984 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:42:57,984 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:42:57,984 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:42:57,986 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:42:57" (1/1) ... [2019-11-24 16:42:57,987 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 16:42:58,036 INFO L159 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-11-24 16:42:58,036 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:42:58,043 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:42:58,050 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:42:58,052 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:42:58,200 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 16:42:58,208 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-11-24 16:42:58,208 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 16:42:58,211 INFO L168 Benchmark]: Toolchain (without parser) took 892.41 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 103.1 MB in the beginning and 158.6 MB in the end (delta: -55.5 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-11-24 16:42:58,212 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 145.2 MB. Free memory is still 121.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-24 16:42:58,213 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.20 ms. Allocated memory is still 145.2 MB. Free memory was 102.7 MB in the beginning and 93.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-11-24 16:42:58,214 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.26 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 93.5 MB in the beginning and 181.6 MB in the end (delta: -88.1 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-11-24 16:42:58,215 INFO L168 Benchmark]: Boogie Preprocessor took 17.89 ms. Allocated memory is still 202.4 MB. Free memory was 181.6 MB in the beginning and 180.9 MB in the end (delta: 681.0 kB). Peak memory consumption was 681.0 kB. Max. memory is 7.1 GB. [2019-11-24 16:42:58,216 INFO L168 Benchmark]: RCFGBuilder took 286.64 ms. Allocated memory is still 202.4 MB. Free memory was 180.3 MB in the beginning and 167.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2019-11-24 16:42:58,216 INFO L168 Benchmark]: Sifa took 224.78 ms. Allocated memory is still 202.4 MB. Free memory was 167.3 MB in the beginning and 158.6 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. [2019-11-24 16:42:58,221 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 145.2 MB. Free memory is still 121.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 233.20 ms. Allocated memory is still 145.2 MB. Free memory was 102.7 MB in the beginning and 93.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 126.26 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 93.5 MB in the beginning and 181.6 MB in the end (delta: -88.1 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 17.89 ms. Allocated memory is still 202.4 MB. Free memory was 181.6 MB in the beginning and 180.9 MB in the end (delta: 681.0 kB). Peak memory consumption was 681.0 kB. Max. memory is 7.1 GB. * RCFGBuilder took 286.64 ms. Allocated memory is still 202.4 MB. Free memory was 180.3 MB in the beginning and 167.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. * Sifa took 224.78 ms. Allocated memory is still 202.4 MB. Free memory was 167.3 MB in the beginning and 158.6 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 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]: 165, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 4, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 11, TOOLS_POST_TIME[ms]: 28, 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: 9, TOOLS_QUANTIFIERELIM_TIME[ms]: 24, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 16, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 2, DOMAIN_JOIN_TIME[ms]: 68, 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: 4, DOMAIN_ISBOTTOM_TIME[ms]: 8, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 76, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 75, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, 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]: 7, DAG_COMPRESSION_TIME[ms]: 11, DAG_COMPRESSION_PROCESSED_NODES: 60, DAG_COMPRESSION_RETAINED_NODES: 23 - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - 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...