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 IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/test_union.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 16:29:29,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:29:29,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:29:29,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:29:29,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:29:29,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:29:29,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:29:29,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:29:29,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:29:29,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:29:29,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:29:29,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:29:29,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:29:29,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:29:29,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:29:29,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:29:29,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:29:29,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:29:29,746 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:29:29,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:29:29,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:29:29,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:29:29,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:29:29,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:29:29,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 16:29:29,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:29:29,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:29:29,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:29:29,765 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 16:29:29,778 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:29:29,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:29:29,780 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:29:29,780 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:29:29,780 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:29:29,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:29:29,781 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:29:29,781 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:29:29,781 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:29:29,781 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:29:29,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:29:29,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:29:29,782 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:29:29,782 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:29:29,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:29:29,782 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:29:29,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:29:29,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:29:29,783 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:29:29,783 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:29:29,783 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:29:29,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:29:29,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:29:29,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:29:29,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:29:29,784 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:29:29,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:29:29,785 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:29:29,785 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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 -> SIMPLIFY_DDA [2019-09-20 16:29:29,819 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:29:29,831 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:29:29,834 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:29:29,836 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:29:29,836 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:29:29,837 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_union.c_1.i [2019-09-20 16:29:29,896 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c9f2a3a1/a52519caec304ce9829f562df527ad83/FLAGce7c4587b [2019-09-20 16:29:30,300 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:29:30,301 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_union.c_1.i [2019-09-20 16:29:30,307 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c9f2a3a1/a52519caec304ce9829f562df527ad83/FLAGce7c4587b [2019-09-20 16:29:30,712 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c9f2a3a1/a52519caec304ce9829f562df527ad83 [2019-09-20 16:29:30,723 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:29:30,724 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:29:30,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:29:30,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:29:30,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:29:30,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:29:30" (1/1) ... [2019-09-20 16:29:30,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54f3530e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:30, skipping insertion in model container [2019-09-20 16:29:30,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:29:30" (1/1) ... [2019-09-20 16:29:30,743 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:29:30,757 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:29:30,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:29:30,930 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:29:30,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:29:30,964 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:29:30,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:30 WrapperNode [2019-09-20 16:29:30,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:29:30,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:29:30,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:29:30,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:29:31,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:30" (1/1) ... [2019-09-20 16:29:31,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:30" (1/1) ... [2019-09-20 16:29:31,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:30" (1/1) ... [2019-09-20 16:29:31,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:30" (1/1) ... [2019-09-20 16:29:31,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:30" (1/1) ... [2019-09-20 16:29:31,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:30" (1/1) ... [2019-09-20 16:29:31,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:30" (1/1) ... [2019-09-20 16:29:31,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:29:31,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:29:31,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:29:31,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:29:31,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:30" (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 16:29:31,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:29:31,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:29:31,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-09-20 16:29:31,144 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:29:31,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:29:31,144 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-09-20 16:29:31,144 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:29:31,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 16:29:31,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 16:29:31,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 16:29:31,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 16:29:31,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:29:31,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:29:31,307 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:29:31,307 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 16:29:31,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:29:31 BoogieIcfgContainer [2019-09-20 16:29:31,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:29:31,309 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:29:31,309 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:29:31,309 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:29:31,311 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:29:31" (1/1) ... [2019-09-20 16:29:31,311 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 16:29:31,353 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:29:31,353 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:29:31,360 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:29:31,370 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:29:31,371 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:29:31,538 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-09-20 16:29:31,581 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 16:29:31,591 INFO L199 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 1 for LOIs [2019-09-20 16:29:31,594 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 16:29:31,594 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 16:29:31,596 INFO L193 IcfgInterpreter]: Reachable states at location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 12#false [2019-09-20 16:29:31,604 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-09-20 16:29:31,604 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 16:29:31,606 INFO L168 Benchmark]: Toolchain (without parser) took 881.22 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 86.0 MB in the beginning and 152.6 MB in the end (delta: -66.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 16:29:31,607 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory was 104.2 MB in the beginning and 104.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 16:29:31,608 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.40 ms. Allocated memory is still 139.5 MB. Free memory was 85.8 MB in the beginning and 75.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:31,609 INFO L168 Benchmark]: Boogie Preprocessor took 118.17 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 75.9 MB in the beginning and 177.4 MB in the end (delta: -101.6 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:31,610 INFO L168 Benchmark]: RCFGBuilder took 225.00 ms. Allocated memory is still 199.8 MB. Free memory was 177.4 MB in the beginning and 164.6 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:31,610 INFO L168 Benchmark]: Sifa took 295.20 ms. Allocated memory is still 199.8 MB. Free memory was 164.6 MB in the beginning and 152.6 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:31,614 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory was 104.2 MB in the beginning and 104.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 239.40 ms. Allocated memory is still 139.5 MB. Free memory was 85.8 MB in the beginning and 75.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.17 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 75.9 MB in the beginning and 177.4 MB in the end (delta: -101.6 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 225.00 ms. Allocated memory is still 199.8 MB. Free memory was 177.4 MB in the beginning and 164.6 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. * Sifa took 295.20 ms. Allocated memory is still 199.8 MB. Free memory was 164.6 MB in the beginning and 152.6 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 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]: 244, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 8, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 4, TOOLS_POST_TIME[ms]: 63, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 82, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 7, TOOLS_QUANTIFIERELIM_TIME[ms]: 132, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 58, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 8, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 2, DOMAIN_JOIN_TIME[ms]: 26, 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]: 91, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 88, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 12, DAG_COMPRESSION_PROCESSED_NODES: 33, DAG_COMPRESSION_RETAINED_NODES: 24 - PositiveResult [Line: 6]: 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...