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 ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/test_while_int.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 21:29:41,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 21:29:41,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 21:29:41,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 21:29:41,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 21:29:41,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 21:29:41,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 21:29:41,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 21:29:41,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 21:29:41,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 21:29:41,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 21:29:41,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 21:29:41,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 21:29:41,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 21:29:41,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 21:29:41,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 21:29:41,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 21:29:41,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 21:29:41,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 21:29:41,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 21:29:41,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 21:29:41,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 21:29:41,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 21:29:41,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 21:29:41,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-18 21:29:41,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 21:29:41,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 21:29:41,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 21:29:41,932 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 [2019-09-18 21:29:41,947 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 21:29:41,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 21:29:41,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 21:29:41,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 21:29:41,949 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 21:29:41,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 21:29:41,949 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 21:29:41,949 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 21:29:41,950 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 21:29:41,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 21:29:41,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 21:29:41,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 21:29:41,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 21:29:41,951 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 21:29:41,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 21:29:41,951 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 21:29:41,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 21:29:41,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 21:29:41,952 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 21:29:41,952 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 21:29:41,952 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 21:29:41,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 21:29:41,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 21:29:41,953 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 21:29:41,953 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 21:29:41,953 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 21:29:41,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 21:29:41,954 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 21:29:41,954 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 -> ReUseSupersetCallSummarizer 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 [2019-09-18 21:29:41,984 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 21:29:42,000 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 21:29:42,004 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 21:29:42,006 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 21:29:42,006 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 21:29:42,007 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_while_int.i [2019-09-18 21:29:42,087 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d48540098/978a3ca705de40ca9558aefc64e5e30e/FLAGe83bf9155 [2019-09-18 21:29:42,582 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 21:29:42,585 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_while_int.i [2019-09-18 21:29:42,592 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d48540098/978a3ca705de40ca9558aefc64e5e30e/FLAGe83bf9155 [2019-09-18 21:29:43,011 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d48540098/978a3ca705de40ca9558aefc64e5e30e [2019-09-18 21:29:43,020 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 21:29:43,022 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 21:29:43,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 21:29:43,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 21:29:43,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 21:29:43,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:29:43" (1/1) ... [2019-09-18 21:29:43,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@183ed6e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:29:43, skipping insertion in model container [2019-09-18 21:29:43,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:29:43" (1/1) ... [2019-09-18 21:29:43,040 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 21:29:43,058 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 21:29:43,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 21:29:43,242 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 21:29:43,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 21:29:43,267 INFO L192 MainTranslator]: Completed translation [2019-09-18 21:29:43,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:29:43 WrapperNode [2019-09-18 21:29:43,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 21:29:43,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 21:29:43,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 21:29:43,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 21:29:43,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:29:43" (1/1) ... [2019-09-18 21:29:43,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:29:43" (1/1) ... [2019-09-18 21:29:43,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:29:43" (1/1) ... [2019-09-18 21:29:43,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:29:43" (1/1) ... [2019-09-18 21:29:43,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:29:43" (1/1) ... [2019-09-18 21:29:43,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:29:43" (1/1) ... [2019-09-18 21:29:43,387 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:29:43" (1/1) ... [2019-09-18 21:29:43,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 21:29:43,389 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 21:29:43,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 21:29:43,389 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 21:29:43,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:29:43" (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 [2019-09-18 21:29:43,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 21:29:43,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 21:29:43,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-09-18 21:29:43,449 INFO L138 BoogieDeclarations]: Found implementation of procedure check_error [2019-09-18 21:29:43,450 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 21:29:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 21:29:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-09-18 21:29:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure check_error [2019-09-18 21:29:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 21:29:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 21:29:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 21:29:43,636 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 21:29:43,637 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-18 21:29:43,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:29:43 BoogieIcfgContainer [2019-09-18 21:29:43,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 21:29:43,639 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 21:29:43,639 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 21:29:43,639 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 21:29:43,647 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:29:43" (1/1) ... [2019-09-18 21:29:43,649 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 21:29:43,671 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 21:29:43,671 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 21:29:43,679 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 21:29:43,689 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 21:29:43,690 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 21:29:43,744 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-18 21:29:44,171 INFO L199 IcfgInterpreter]: Interpreting procedure check_error with input of size 6 for LOIs [2019-09-18 21:29:44,176 INFO L199 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 1 for LOIs [2019-09-18 21:29:44,183 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 21:29:44,183 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 21:29:44,185 INFO L193 IcfgInterpreter]: Reachable states at location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 66#true [2019-09-18 21:29:44,204 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 21:29:44,205 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 21:29:44,208 INFO L168 Benchmark]: Toolchain (without parser) took 1184.53 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 89.4 MB in the beginning and 141.2 MB in the end (delta: -51.8 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2019-09-18 21:29:44,209 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 134.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 21:29:44,210 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.76 ms. Allocated memory is still 134.2 MB. Free memory was 89.2 MB in the beginning and 79.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-18 21:29:44,211 INFO L168 Benchmark]: Boogie Preprocessor took 119.68 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 79.7 MB in the beginning and 178.3 MB in the end (delta: -98.6 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-09-18 21:29:44,212 INFO L168 Benchmark]: RCFGBuilder took 249.73 ms. Allocated memory is still 201.3 MB. Free memory was 178.3 MB in the beginning and 166.4 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2019-09-18 21:29:44,213 INFO L168 Benchmark]: Sifa took 565.93 ms. Allocated memory is still 201.3 MB. Free memory was 166.4 MB in the beginning and 141.2 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2019-09-18 21:29:44,222 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 134.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 245.76 ms. Allocated memory is still 134.2 MB. Free memory was 89.2 MB in the beginning and 79.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.68 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 79.7 MB in the beginning and 178.3 MB in the end (delta: -98.6 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 249.73 ms. Allocated memory is still 201.3 MB. Free memory was 178.3 MB in the beginning and 166.4 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * Sifa took 565.93 ms. Allocated memory is still 201.3 MB. Free memory was 166.4 MB in the beginning and 141.2 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 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]: 514, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 32, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 19, TOOLS_POST_TIME[ms]: 20, TOOLS_POST_CALL_APPLICATIONS: 9, TOOLS_POST_CALL_TIME[ms]: 27, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME[ms]: 9, TOOLS_QUANTIFIERELIM_APPLICATIONS: 33, TOOLS_QUANTIFIERELIM_TIME[ms]: 36, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 35, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 11, DOMAIN_JOIN_TIME[ms]: 235, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 110, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 19, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 8, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 409, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 408, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 203, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 13, DAG_COMPRESSION_PROCESSED_NODES: 53, DAG_COMPRESSION_RETAINED_NODES: 35 - UnprovableResult [Line: 6]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 66#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...