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/loop-invgen/nested9.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:04:45,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:04:45,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:04:45,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:04:45,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:04:45,912 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:04:45,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:04:45,915 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:04:45,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:04:45,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:04:45,919 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:04:45,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:04:45,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:04:45,921 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:04:45,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:04:45,924 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:04:45,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:04:45,925 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:04:45,927 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:04:45,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:04:45,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:04:45,933 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:04:45,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:04:45,935 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:04:45,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 15:04:45,940 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:04:45,941 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:04:45,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:04:45,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:04:45,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:04:45,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:04:45,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:04:45,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:04:45,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:04:45,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:04:45,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:04:45,948 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 15:04:45,963 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:04:45,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:04:45,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:04:45,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:04:45,965 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:04:45,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:04:45,965 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:04:45,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:04:45,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:04:45,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:04:45,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:04:45,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:04:45,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:04:45,967 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:04:45,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:04:45,967 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:04:45,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:04:45,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:04:45,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:04:45,968 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:04:45,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:04:45,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:04:45,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:04:45,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:04:45,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:04:45,969 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:04:45,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:04:45,969 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:04:45,969 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 15:04:46,012 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:04:46,028 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:04:46,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:04:46,034 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:04:46,034 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:04:46,035 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/nested9.i [2019-09-20 15:04:46,113 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f0f5e7fc/089b49640bd64f09ad7c2880c251ada7/FLAGbbe5d5660 [2019-09-20 15:04:46,591 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:04:46,592 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/nested9.i [2019-09-20 15:04:46,598 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f0f5e7fc/089b49640bd64f09ad7c2880c251ada7/FLAGbbe5d5660 [2019-09-20 15:04:47,011 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f0f5e7fc/089b49640bd64f09ad7c2880c251ada7 [2019-09-20 15:04:47,020 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:04:47,022 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:04:47,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:04:47,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:04:47,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:04:47,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:04:47" (1/1) ... [2019-09-20 15:04:47,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14541d39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:04:47, skipping insertion in model container [2019-09-20 15:04:47,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:04:47" (1/1) ... [2019-09-20 15:04:47,037 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:04:47,052 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:04:47,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:04:47,239 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:04:47,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:04:47,271 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:04:47,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:04:47 WrapperNode [2019-09-20 15:04:47,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:04:47,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:04:47,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:04:47,273 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:04:47,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:04:47" (1/1) ... [2019-09-20 15:04:47,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:04:47" (1/1) ... [2019-09-20 15:04:47,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:04:47" (1/1) ... [2019-09-20 15:04:47,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:04:47" (1/1) ... [2019-09-20 15:04:47,388 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:04:47" (1/1) ... [2019-09-20 15:04:47,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:04:47" (1/1) ... [2019-09-20 15:04:47,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:04:47" (1/1) ... [2019-09-20 15:04:47,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:04:47,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:04:47,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:04:47,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:04:47,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:04:47" (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 15:04:47,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:04:47,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:04:47,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 15:04:47,455 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:04:47,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:04:47,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 15:04:47,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 15:04:47,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:04:47,457 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:04:47,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:04:47,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:04:47,777 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:04:47,777 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 15:04:47,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:04:47 BoogieIcfgContainer [2019-09-20 15:04:47,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:04:47,779 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:04:47,779 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:04:47,779 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:04:47,780 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:04:47" (1/1) ... [2019-09-20 15:04:47,781 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 15:04:47,810 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:04:47,810 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:04:47,820 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:04:47,842 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:04:47,846 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:04:47,906 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 3 for LOIs [2019-09-20 15:04:48,188 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 15:04:48,189 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:04:48,189 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:04:48,193 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 93#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 15:04:48,210 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:04:48,210 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:04:48,213 INFO L168 Benchmark]: Toolchain (without parser) took 1189.91 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 87.4 MB in the beginning and 140.3 MB in the end (delta: -52.9 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:04:48,213 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:04:48,214 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.85 ms. Allocated memory is still 139.5 MB. Free memory was 87.0 MB in the beginning and 77.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:04:48,215 INFO L168 Benchmark]: Boogie Preprocessor took 125.03 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 77.6 MB in the beginning and 177.2 MB in the end (delta: -99.6 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:04:48,216 INFO L168 Benchmark]: RCFGBuilder took 380.55 ms. Allocated memory is still 199.8 MB. Free memory was 176.6 MB in the beginning and 160.2 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:04:48,217 INFO L168 Benchmark]: Sifa took 431.35 ms. Allocated memory is still 199.8 MB. Free memory was 160.2 MB in the beginning and 140.3 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:04:48,221 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 139.5 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 249.85 ms. Allocated memory is still 139.5 MB. Free memory was 87.0 MB in the beginning and 77.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.03 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 77.6 MB in the beginning and 177.2 MB in the end (delta: -99.6 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 380.55 ms. Allocated memory is still 199.8 MB. Free memory was 176.6 MB in the beginning and 160.2 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. * Sifa took 431.35 ms. Allocated memory is still 199.8 MB. Free memory was 160.2 MB in the beginning and 140.3 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 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]: 383, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 50, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 37, TOOLS_POST_TIME[ms]: 91, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 101, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 7, TOOLS_QUANTIFIERELIM_APPLICATIONS: 45, TOOLS_QUANTIFIERELIM_TIME[ms]: 166, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 81, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 58, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 16, DOMAIN_JOIN_TIME[ms]: 6, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 4, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 46, DOMAIN_ISBOTTOM_APPLICATIONS: 3, DOMAIN_ISBOTTOM_TIME[ms]: 7, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 248, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 248, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 3, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 26, DAG_COMPRESSION_PROCESSED_NODES: 104, DAG_COMPRESSION_RETAINED_NODES: 52 - UnprovableResult [Line: 5]: 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 93#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...