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 -i ../../../trunk/examples/svcomp/ldv-regression/structure_assignment.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a2187f8 [2019-09-02 14:16:44,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-02 14:16:44,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-02 14:16:44,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-02 14:16:44,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-02 14:16:44,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-02 14:16:44,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-02 14:16:44,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-02 14:16:44,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-02 14:16:44,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-02 14:16:44,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-02 14:16:44,568 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-02 14:16:44,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-02 14:16:44,569 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-02 14:16:44,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-02 14:16:44,571 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-02 14:16:44,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-02 14:16:44,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-02 14:16:44,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-02 14:16:44,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-02 14:16:44,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-02 14:16:44,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-02 14:16:44,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-02 14:16:44,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-02 14:16:44,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-02 14:16:44,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-02 14:16:44,586 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-02 14:16:44,587 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-02 14:16:44,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-02 14:16:44,589 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-02 14:16:44,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-02 14:16:44,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-02 14:16:44,590 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-02 14:16:44,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-02 14:16:44,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-02 14:16:44,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-02 14:16:44,592 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 [2019-09-02 14:16:44,612 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-02 14:16:44,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-02 14:16:44,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-02 14:16:44,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-02 14:16:44,613 INFO L138 SettingsManager]: * Use SBE=true [2019-09-02 14:16:44,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-02 14:16:44,615 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-02 14:16:44,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-02 14:16:44,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-02 14:16:44,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-02 14:16:44,616 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-02 14:16:44,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-02 14:16:44,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-02 14:16:44,616 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-02 14:16:44,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-02 14:16:44,617 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-02 14:16:44,617 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-02 14:16:44,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-02 14:16:44,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-02 14:16:44,619 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-02 14:16:44,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-02 14:16:44,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-02 14:16:44,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-02 14:16:44,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-02 14:16:44,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-02 14:16:44,620 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-02 14:16:44,620 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-02 14:16:44,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-02 14:16:44,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-02 14:16:44,660 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-02 14:16:44,671 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-02 14:16:44,675 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-02 14:16:44,676 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-02 14:16:44,676 INFO L275 PluginConnector]: CDTParser initialized [2019-09-02 14:16:44,677 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/structure_assignment.i [2019-09-02 14:16:44,751 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70b3672fe/62861add061d4cb9a2d3a0e7d8c12c00/FLAG8aa0e0bf2 [2019-09-02 14:16:45,223 INFO L306 CDTParser]: Found 1 translation units. [2019-09-02 14:16:45,226 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/structure_assignment.i [2019-09-02 14:16:45,234 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70b3672fe/62861add061d4cb9a2d3a0e7d8c12c00/FLAG8aa0e0bf2 [2019-09-02 14:16:45,637 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70b3672fe/62861add061d4cb9a2d3a0e7d8c12c00 [2019-09-02 14:16:45,645 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-02 14:16:45,646 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-02 14:16:45,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-02 14:16:45,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-02 14:16:45,650 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-02 14:16:45,651 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.09 02:16:45" (1/1) ... [2019-09-02 14:16:45,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59dbe19d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 02:16:45, skipping insertion in model container [2019-09-02 14:16:45,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.09 02:16:45" (1/1) ... [2019-09-02 14:16:45,661 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-02 14:16:45,677 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-02 14:16:45,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-02 14:16:45,867 INFO L188 MainTranslator]: Completed pre-run [2019-09-02 14:16:45,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-02 14:16:45,901 INFO L192 MainTranslator]: Completed translation [2019-09-02 14:16:45,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 02:16:45 WrapperNode [2019-09-02 14:16:45,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-02 14:16:45,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-02 14:16:45,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-02 14:16:45,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-02 14:16:46,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 02:16:45" (1/1) ... [2019-09-02 14:16:46,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 02:16:45" (1/1) ... [2019-09-02 14:16:46,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 02:16:45" (1/1) ... [2019-09-02 14:16:46,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 02:16:45" (1/1) ... [2019-09-02 14:16:46,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 02:16:45" (1/1) ... [2019-09-02 14:16:46,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 02:16:45" (1/1) ... [2019-09-02 14:16:46,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 02:16:45" (1/1) ... [2019-09-02 14:16:46,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-02 14:16:46,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-02 14:16:46,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-02 14:16:46,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-02 14:16:46,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 02:16:45" (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 [2019-09-02 14:16:46,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-02 14:16:46,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-02 14:16:46,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-09-02 14:16:46,073 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-02 14:16:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-02 14:16:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-09-02 14:16:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-02 14:16:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-02 14:16:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-02 14:16:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-02 14:16:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-02 14:16:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-02 14:16:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-02 14:16:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-02 14:16:46,286 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-02 14:16:46,287 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-02 14:16:46,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.09 02:16:46 BoogieIcfgContainer [2019-09-02 14:16:46,289 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-02 14:16:46,289 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-02 14:16:46,289 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-02 14:16:46,290 INFO L275 PluginConnector]: Sifa initialized [2019-09-02 14:16:46,291 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.09 02:16:46" (1/1) ... [2019-09-02 14:16:46,292 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-02 14:16:46,329 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-02 14:16:46,329 INFO L169 IcfgInterpreter]: Building call graph [2019-09-02 14:16:46,339 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-02 14:16:46,349 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-02 14:16:46,351 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-02 14:16:46,479 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-09-02 14:16:46,526 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-02 14:16:46,530 INFO L199 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 1 for LOIs [2019-09-02 14:16:46,532 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-02 14:16:46,532 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-02 14:16:46,534 INFO L193 IcfgInterpreter]: Reachable states at location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 19#false [2019-09-02 14:16:46,543 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-09-02 14:16:46,543 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-02 14:16:46,546 INFO L168 Benchmark]: Toolchain (without parser) took 898.67 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 85.5 MB in the beginning and 152.8 MB in the end (delta: -67.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-02 14:16:46,547 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 104.1 MB in the beginning and 103.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-02 14:16:46,548 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.26 ms. Allocated memory is still 139.5 MB. Free memory was 85.3 MB in the beginning and 75.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-02 14:16:46,549 INFO L168 Benchmark]: Boogie Preprocessor took 122.07 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 75.8 MB in the beginning and 176.1 MB in the end (delta: -100.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-09-02 14:16:46,550 INFO L168 Benchmark]: RCFGBuilder took 263.83 ms. Allocated memory is still 199.2 MB. Free memory was 176.1 MB in the beginning and 164.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-09-02 14:16:46,551 INFO L168 Benchmark]: Sifa took 254.41 ms. Allocated memory is still 199.2 MB. Free memory was 164.5 MB in the beginning and 152.8 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-09-02 14:16:46,555 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 139.5 MB. Free memory was 104.1 MB in the beginning and 103.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 255.26 ms. Allocated memory is still 139.5 MB. Free memory was 85.3 MB in the beginning and 75.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.07 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 75.8 MB in the beginning and 176.1 MB in the end (delta: -100.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 263.83 ms. Allocated memory is still 199.2 MB. Free memory was 176.1 MB in the beginning and 164.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * Sifa took 254.41 ms. Allocated memory is still 199.2 MB. Free memory was 164.5 MB in the beginning and 152.8 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 0.2s OVERALL_TIME, 3 ICFG_INTERPRETER_ENTERED_PROCEDURES, 9 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 5 TOOLS_POST_APPLICATIONS, 0.0s TOOLS_POST_TIME, 3 TOOLS_POST_CALL_APPLICATIONS, 0.1s TOOLS_POST_CALL_TIME, 1 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 0.1s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 9 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 2 DOMAIN_JOIN_APPLICATIONS, 0.0s DOMAIN_JOIN_TIME, 0 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 0 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 0 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 0 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 0 LOOP_SUMMARIZER_APPLICATIONS, 0 LOOP_SUMMARIZER_CACHE_MISSES, 0.0s LOOP_SUMMARIZER_OVERALL_TIME, 0.0s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 0 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 1 CALL_SUMMARIZER_APPLICATIONS, 0 CALL_SUMMARIZER_CACHE_MISSES, 0.0s CALL_SUMMARIZER_OVERALL_TIME, 0.0s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.0s DAG_COMPRESSION_TIME, 35 DAG_COMPRESSION_PROCESSED_NODES, 27 DAG_COMPRESSION_RETAINED_NODES - 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...