/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/ldv-regression/test_union_cast-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:03:14,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:03:14,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:03:14,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:03:14,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:03:14,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:03:14,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:03:14,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:03:14,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:03:14,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:03:14,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:03:14,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:03:14,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:03:14,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:03:14,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:03:14,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:03:14,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:03:14,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:03:14,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:03:14,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:03:14,845 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:03:14,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:03:14,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:03:14,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:03:14,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 10:03:14,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:03:14,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:03:14,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:03:14,875 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 10:03:14,896 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:03:14,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:03:14,898 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:03:14,898 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:03:14,899 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:03:14,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:03:14,899 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:03:14,899 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:03:14,899 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:03:14,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:03:14,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:03:14,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:03:14,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:03:14,901 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:03:14,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:03:14,902 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:03:14,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:03:14,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:03:14,902 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:03:14,903 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:03:14,903 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:03:14,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:03:14,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:03:14,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:03:14,904 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:03:14,904 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:03:14,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:03:14,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:03:14,904 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 10:03:15,176 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:03:15,188 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:03:15,192 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:03:15,193 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:03:15,193 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:03:15,194 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_union_cast-2.i [2019-11-07 10:03:15,253 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93c12917e/438b5aa27ac7404c97ae39eb5ac95a10/FLAG30aeb491a [2019-11-07 10:03:15,711 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:03:15,711 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_union_cast-2.i [2019-11-07 10:03:15,718 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93c12917e/438b5aa27ac7404c97ae39eb5ac95a10/FLAG30aeb491a [2019-11-07 10:03:16,124 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93c12917e/438b5aa27ac7404c97ae39eb5ac95a10 [2019-11-07 10:03:16,134 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:03:16,135 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:03:16,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:03:16,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:03:16,142 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:03:16,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:03:16" (1/1) ... [2019-11-07 10:03:16,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a11d1ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:03:16, skipping insertion in model container [2019-11-07 10:03:16,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:03:16" (1/1) ... [2019-11-07 10:03:16,153 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:03:16,174 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:03:16,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:03:16,360 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:03:16,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:03:16,394 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:03:16,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:03:16 WrapperNode [2019-11-07 10:03:16,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:03:16,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:03:16,395 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:03:16,395 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:03:16,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:03:16" (1/1) ... [2019-11-07 10:03:16,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:03:16" (1/1) ... [2019-11-07 10:03:16,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:03:16" (1/1) ... [2019-11-07 10:03:16,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:03:16" (1/1) ... [2019-11-07 10:03:16,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:03:16" (1/1) ... [2019-11-07 10:03:16,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:03:16" (1/1) ... [2019-11-07 10:03:16,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:03:16" (1/1) ... [2019-11-07 10:03:16,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:03:16,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:03:16,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:03:16,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:03:16,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:03:16" (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 10:03:16,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:03:16,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:03:16,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 10:03:16,560 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:03:16,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:03:16,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 10:03:16,561 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 10:03:16,561 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2019-11-07 10:03:16,561 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2019-11-07 10:03:16,561 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:03:16,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 10:03:16,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-07 10:03:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 10:03:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 10:03:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 10:03:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:03:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:03:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-07 10:03:16,774 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:03:16,774 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 10:03:16,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:03:16 BoogieIcfgContainer [2019-11-07 10:03:16,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:03:16,777 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:03:16,778 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:03:16,778 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:03:16,780 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:03:16" (1/1) ... [2019-11-07 10:03:16,780 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 10:03:16,835 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:03:16,836 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:03:16,844 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:03:16,854 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:03:16,855 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:03:17,006 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 22 for LOIs [2019-11-07 10:03:17,120 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:03:17,225 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 34 for LOIs [2019-11-07 10:03:17,231 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:03:17,254 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-11-07 10:03:17,254 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:03:17,256 INFO L168 Benchmark]: Toolchain (without parser) took 1120.73 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 101.7 MB in the beginning and 145.1 MB in the end (delta: -43.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-11-07 10:03:17,257 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-07 10:03:17,258 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.30 ms. Allocated memory is still 137.4 MB. Free memory was 101.5 MB in the beginning and 91.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-11-07 10:03:17,259 INFO L168 Benchmark]: Boogie Preprocessor took 105.67 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 91.7 MB in the beginning and 179.9 MB in the end (delta: -88.2 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2019-11-07 10:03:17,260 INFO L168 Benchmark]: RCFGBuilder took 275.17 ms. Allocated memory is still 201.3 MB. Free memory was 179.9 MB in the beginning and 164.7 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2019-11-07 10:03:17,261 INFO L168 Benchmark]: Sifa took 477.78 ms. Allocated memory is still 201.3 MB. Free memory was 164.7 MB in the beginning and 145.1 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. [2019-11-07 10:03:17,265 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 258.30 ms. Allocated memory is still 137.4 MB. Free memory was 101.5 MB in the beginning and 91.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.67 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 91.7 MB in the beginning and 179.9 MB in the end (delta: -88.2 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 275.17 ms. Allocated memory is still 201.3 MB. Free memory was 179.9 MB in the beginning and 164.7 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. * Sifa took 477.78 ms. Allocated memory is still 201.3 MB. Free memory was 164.7 MB in the beginning and 145.1 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 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]: 398, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 0, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 5, TOOLS_POST_TIME[ms]: 126, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 194, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 9, TOOLS_QUANTIFIERELIM_TIME[ms]: 310, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 174, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 10, 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: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 86, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 86, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 12, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 11, DAG_COMPRESSION_PROCESSED_NODES: 37, DAG_COMPRESSION_RETAINED_NODES: 25 - PositiveResult [Line: 4]: 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...