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 InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_1b.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:24:21,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:24:21,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:24:21,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:24:21,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:24:21,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:24:21,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:24:21,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:24:21,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:24:21,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:24:21,774 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:24:21,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:24:21,775 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:24:21,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:24:21,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:24:21,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:24:21,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:24:21,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:24:21,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:24:21,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:24:21,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:24:21,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:24:21,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:24:21,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:24:21,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 21:24:21,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:24:21,797 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:24:21,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:24:21,798 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 21:24:21,812 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:24:21,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:24:21,813 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:24:21,814 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:24:21,814 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:24:21,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:24:21,816 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:24:21,816 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:24:21,816 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:24:21,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:24:21,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:24:21,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:24:21,817 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:24:21,817 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:24:21,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:24:21,817 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:24:21,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:24:21,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:24:21,818 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:24:21,818 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:24:21,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:24:21,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:24:21,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:24:21,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:24:21,821 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:24:21,821 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:24:21,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:24:21,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:24:21,821 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 -> InterpretCallSummarizer 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 21:24:21,884 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:24:21,897 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:24:21,900 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:24:21,902 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:24:21,902 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:24:21,903 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_1b.cil.c [2019-09-20 21:24:21,965 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cc923e86/20d5feb07319426ebc688bdd0cc2f7f7/FLAGd325aceda [2019-09-20 21:24:22,454 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:24:22,454 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ssh-simplified/s3_srvr_1b.cil.c [2019-09-20 21:24:22,462 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cc923e86/20d5feb07319426ebc688bdd0cc2f7f7/FLAGd325aceda [2019-09-20 21:24:22,858 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cc923e86/20d5feb07319426ebc688bdd0cc2f7f7 [2019-09-20 21:24:22,872 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:24:22,874 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:24:22,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:24:22,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:24:22,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:24:22,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:24:22" (1/1) ... [2019-09-20 21:24:22,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69d17b84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:24:22, skipping insertion in model container [2019-09-20 21:24:22,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:24:22" (1/1) ... [2019-09-20 21:24:22,890 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:24:22,911 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:24:23,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:24:23,115 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:24:23,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:24:23,145 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:24:23,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:24:23 WrapperNode [2019-09-20 21:24:23,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:24:23,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:24:23,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:24:23,146 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:24:23,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:24:23" (1/1) ... [2019-09-20 21:24:23,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:24:23" (1/1) ... [2019-09-20 21:24:23,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:24:23" (1/1) ... [2019-09-20 21:24:23,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:24:23" (1/1) ... [2019-09-20 21:24:23,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:24:23" (1/1) ... [2019-09-20 21:24:23,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:24:23" (1/1) ... [2019-09-20 21:24:23,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:24:23" (1/1) ... [2019-09-20 21:24:23,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:24:23,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:24:23,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:24:23,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:24:23,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:24:23" (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 21:24:23,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:24:23,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:24:23,322 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:24:23,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:24:23,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 21:24:23,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 21:24:23,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 21:24:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 21:24:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:24:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:24:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:24:23,674 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:24:23,674 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 21:24:23,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:24:23 BoogieIcfgContainer [2019-09-20 21:24:23,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:24:23,676 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:24:23,676 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:24:23,677 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:24:23,678 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:24:23" (1/1) ... [2019-09-20 21:24:23,678 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=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 21:24:23,701 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:24:23,701 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:24:23,708 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:24:23,719 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:24:23,721 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:24:23,779 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 21:24:24,530 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 23 [2019-09-20 21:24:24,676 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 28 [2019-09-20 21:24:25,464 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 33 [2019-09-20 21:24:25,759 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 21:24:25,759 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 21:24:25,762 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 235#(and (< 2 main_~blastFlag~0) (<= main_~s__state~0 8512)) [2019-09-20 21:24:25,775 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 21:24:25,775 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 21:24:25,777 INFO L168 Benchmark]: Toolchain (without parser) took 2903.11 ms. Allocated memory was 134.7 MB in the beginning and 256.9 MB in the end (delta: 122.2 MB). Free memory was 89.6 MB in the beginning and 189.8 MB in the end (delta: -100.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-09-20 21:24:25,778 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 134.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 21:24:25,779 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.14 ms. Allocated memory is still 134.7 MB. Free memory was 89.4 MB in the beginning and 79.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-09-20 21:24:25,780 INFO L168 Benchmark]: Boogie Preprocessor took 112.57 ms. Allocated memory was 134.7 MB in the beginning and 200.8 MB in the end (delta: 66.1 MB). Free memory was 79.2 MB in the beginning and 176.8 MB in the end (delta: -97.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-09-20 21:24:25,781 INFO L168 Benchmark]: RCFGBuilder took 417.09 ms. Allocated memory is still 200.8 MB. Free memory was 176.8 MB in the beginning and 158.2 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2019-09-20 21:24:25,782 INFO L168 Benchmark]: Sifa took 2099.07 ms. Allocated memory was 200.8 MB in the beginning and 256.9 MB in the end (delta: 56.1 MB). Free memory was 158.2 MB in the beginning and 189.8 MB in the end (delta: -31.6 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2019-09-20 21:24:25,787 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 134.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 271.14 ms. Allocated memory is still 134.7 MB. Free memory was 89.4 MB in the beginning and 79.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.57 ms. Allocated memory was 134.7 MB in the beginning and 200.8 MB in the end (delta: 66.1 MB). Free memory was 79.2 MB in the beginning and 176.8 MB in the end (delta: -97.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 417.09 ms. Allocated memory is still 200.8 MB. Free memory was 176.8 MB in the beginning and 158.2 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. * Sifa took 2099.07 ms. Allocated memory was 200.8 MB in the beginning and 256.9 MB in the end (delta: 56.1 MB). Free memory was 158.2 MB in the beginning and 189.8 MB in the end (delta: -31.6 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 2061, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 150, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 129, TOOLS_POST_TIME[ms]: 147, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 7, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 107, TOOLS_QUANTIFIERELIM_TIME[ms]: 115, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 169, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 37, DOMAIN_JOIN_TIME[ms]: 1225, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 526, DOMAIN_ISSUBSETEQ_APPLICATIONS: 19, DOMAIN_ISSUBSETEQ_TIME[ms]: 15, DOMAIN_ISBOTTOM_APPLICATIONS: 16, DOMAIN_ISBOTTOM_TIME[ms]: 23, LOOP_SUMMARIZER_APPLICATIONS: 13, LOOP_SUMMARIZER_CACHE_MISSES: 13, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1623, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1622, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 19, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 35, DAG_COMPRESSION_PROCESSED_NODES: 333, DAG_COMPRESSION_RETAINED_NODES: 107 - UnprovableResult [Line: 139]: 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 235#(and (< 2 main_~blastFlag~0) (<= main_~s__state~0 8512)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...