java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique NONE -i ../../../trunk/examples/svcomp/ldv-regression/nested_structure-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:06:33,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:06:33,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:06:33,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:06:33,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:06:33,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:06:33,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:06:33,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:06:33,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:06:33,679 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:06:33,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:06:33,682 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:06:33,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:06:33,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:06:33,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:06:33,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:06:33,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:06:33,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:06:33,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:06:33,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:06:33,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:06:33,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:06:33,706 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:06:33,707 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:06:33,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 15:06:33,721 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:06:33,722 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:06:33,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:06:33,724 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 15:06:33,758 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:06:33,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:06:33,760 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:06:33,760 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:06:33,760 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:06:33,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:06:33,761 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:06:33,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:06:33,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:06:33,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:06:33,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:06:33,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:06:33,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:06:33,763 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:06:33,763 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:06:33,764 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:06:33,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:06:33,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:06:33,764 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:06:33,764 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:06:33,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:06:33,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:06:33,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:06:33,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:06:33,766 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:06:33,766 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:06:33,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:06:33,766 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:06:33,766 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> NONE [2019-09-20 15:06:33,821 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:06:33,840 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:06:33,844 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:06:33,846 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:06:33,846 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:06:33,847 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/nested_structure-1.i [2019-09-20 15:06:33,917 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e10efe8be/41694b54c5f04fe5b6734e2ae02fe0ef/FLAGd6bf8c6c1 [2019-09-20 15:06:34,354 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:06:34,354 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/nested_structure-1.i [2019-09-20 15:06:34,361 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e10efe8be/41694b54c5f04fe5b6734e2ae02fe0ef/FLAGd6bf8c6c1 [2019-09-20 15:06:34,730 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e10efe8be/41694b54c5f04fe5b6734e2ae02fe0ef [2019-09-20 15:06:34,741 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:06:34,743 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:06:34,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:06:34,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:06:34,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:06:34,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:06:34" (1/1) ... [2019-09-20 15:06:34,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@458d6857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:34, skipping insertion in model container [2019-09-20 15:06:34,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:06:34" (1/1) ... [2019-09-20 15:06:34,767 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:06:34,786 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:06:35,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:06:35,036 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:06:35,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:06:35,176 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:06:35,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:35 WrapperNode [2019-09-20 15:06:35,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:06:35,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:06:35,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:06:35,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:06:35,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:35" (1/1) ... [2019-09-20 15:06:35,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:35" (1/1) ... [2019-09-20 15:06:35,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:35" (1/1) ... [2019-09-20 15:06:35,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:35" (1/1) ... [2019-09-20 15:06:35,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:35" (1/1) ... [2019-09-20 15:06:35,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:35" (1/1) ... [2019-09-20 15:06:35,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:35" (1/1) ... [2019-09-20 15:06:35,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:06:35,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:06:35,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:06:35,212 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:06:35,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:06:35,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:06:35,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:06:35,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-09-20 15:06:35,273 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:06:35,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:06:35,273 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-09-20 15:06:35,273 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:06:35,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:06:35,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:06:35,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 15:06:35,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:06:35,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:06:35,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:06:35,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:06:35,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:06:35,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:06:35,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:06:35,498 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:06:35,498 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 15:06:35,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:06:35 BoogieIcfgContainer [2019-09-20 15:06:35,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:06:35,501 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:06:35,501 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:06:35,501 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:06:35,502 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:06:35" (1/1) ... [2019-09-20 15:06:35,503 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:06:35,524 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:06:35,525 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:06:35,531 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:06:35,540 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:06:35,541 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:06:35,637 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 15:06:35,739 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 15:06:35,752 INFO L199 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 1 for LOIs [2019-09-20 15:06:35,754 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:06:35,754 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:06:35,756 INFO L193 IcfgInterpreter]: Reachable states at location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 14#false [2019-09-20 15:06:35,764 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-09-20 15:06:35,765 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:06:35,768 INFO L168 Benchmark]: Toolchain (without parser) took 1023.82 ms. Allocated memory was 134.7 MB in the beginning and 199.2 MB in the end (delta: 64.5 MB). Free memory was 89.8 MB in the beginning and 145.7 MB in the end (delta: -55.9 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:06:35,770 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 134.7 MB. Free memory was 108.5 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:06:35,771 INFO L168 Benchmark]: CACSL2BoogieTranslator took 430.48 ms. Allocated memory was 134.7 MB in the beginning and 199.2 MB in the end (delta: 64.5 MB). Free memory was 89.6 MB in the beginning and 176.4 MB in the end (delta: -86.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:06:35,773 INFO L168 Benchmark]: Boogie Preprocessor took 33.97 ms. Allocated memory is still 199.2 MB. Free memory was 176.4 MB in the beginning and 174.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:06:35,774 INFO L168 Benchmark]: RCFGBuilder took 288.49 ms. Allocated memory is still 199.2 MB. Free memory was 174.2 MB in the beginning and 159.2 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:06:35,775 INFO L168 Benchmark]: Sifa took 264.39 ms. Allocated memory is still 199.2 MB. Free memory was 159.2 MB in the beginning and 145.7 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:06:35,782 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 134.7 MB. Free memory was 108.5 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 430.48 ms. Allocated memory was 134.7 MB in the beginning and 199.2 MB in the end (delta: 64.5 MB). Free memory was 89.6 MB in the beginning and 176.4 MB in the end (delta: -86.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.97 ms. Allocated memory is still 199.2 MB. Free memory was 176.4 MB in the beginning and 174.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 288.49 ms. Allocated memory is still 199.2 MB. Free memory was 174.2 MB in the beginning and 159.2 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. * Sifa took 264.39 ms. Allocated memory is still 199.2 MB. Free memory was 159.2 MB in the beginning and 145.7 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 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]: 232, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 8, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 4, TOOLS_POST_TIME[ms]: 50, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 119, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 7, TOOLS_QUANTIFIERELIM_TIME[ms]: 158, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 98, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 8, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 2, DOMAIN_JOIN_TIME[ms]: 2, 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]: 45, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 45, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 10, DAG_COMPRESSION_PROCESSED_NODES: 33, DAG_COMPRESSION_RETAINED_NODES: 24 - PositiveResult [Line: 9]: 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...