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 NeverFluid --sifa.intern.fluid NeverFluid --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 23:18:15,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:18:15,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:18:15,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:18:15,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:18:15,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:18:15,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:18:15,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:18:15,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:18:15,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:18:15,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:18:15,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:18:15,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:18:15,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:18:15,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:18:15,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:18:15,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:18:15,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:18:15,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:18:15,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:18:15,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:18:15,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:18:15,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:18:15,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:18:15,102 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:18:15,102 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:18:15,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:18:15,103 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:18:15,104 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:18:15,105 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 23:18:15,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 23:18:15,106 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 23:18:15,106 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 23:18:15,107 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 23:18:15,108 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 23:18:15,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 23:18:15,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 23:18:15,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 23:18:15,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:18:15,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:18:15,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:18:15,111 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 23:18:15,125 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:18:15,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:18:15,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:18:15,127 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:18:15,127 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:18:15,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:18:15,127 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:18:15,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:18:15,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:18:15,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:18:15,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:18:15,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:18:15,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:18:15,129 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:18:15,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:18:15,129 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:18:15,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:18:15,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:18:15,130 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:18:15,130 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:18:15,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:18:15,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:18:15,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:18:15,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:18:15,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:18:15,131 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:18:15,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:18:15,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:18:15,132 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 23:18:15,162 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:18:15,174 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:18:15,177 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:18:15,178 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:18:15,179 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:18:15,179 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_1b.cil.c [2019-09-20 23:18:15,237 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52b19367b/68faa56534b9437a87a0836ebb0b8c9c/FLAG4f434e6ff [2019-09-20 23:18:15,653 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:18:15,654 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ssh-simplified/s3_srvr_1b.cil.c [2019-09-20 23:18:15,662 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52b19367b/68faa56534b9437a87a0836ebb0b8c9c/FLAG4f434e6ff [2019-09-20 23:18:16,071 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52b19367b/68faa56534b9437a87a0836ebb0b8c9c [2019-09-20 23:18:16,081 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:18:16,082 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:18:16,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:18:16,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:18:16,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:18:16,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:18:16" (1/1) ... [2019-09-20 23:18:16,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ec9ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:18:16, skipping insertion in model container [2019-09-20 23:18:16,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:18:16" (1/1) ... [2019-09-20 23:18:16,097 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:18:16,119 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:18:16,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:18:16,357 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:18:16,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:18:16,409 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:18:16,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:18:16 WrapperNode [2019-09-20 23:18:16,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:18:16,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:18:16,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:18:16,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:18:16,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:18:16" (1/1) ... [2019-09-20 23:18:16,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:18:16" (1/1) ... [2019-09-20 23:18:16,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:18:16" (1/1) ... [2019-09-20 23:18:16,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:18:16" (1/1) ... [2019-09-20 23:18:16,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:18:16" (1/1) ... [2019-09-20 23:18:16,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:18:16" (1/1) ... [2019-09-20 23:18:16,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:18:16" (1/1) ... [2019-09-20 23:18:16,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:18:16,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:18:16,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:18:16,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:18:16,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:18:16" (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 23:18:16,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:18:16,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:18:16,600 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:18:16,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:18:16,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 23:18:16,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 23:18:16,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 23:18:16,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 23:18:16,601 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:18:16,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:18:16,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:18:16,975 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:18:16,975 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 23:18:16,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:18:16 BoogieIcfgContainer [2019-09-20 23:18:16,977 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:18:16,977 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:18:16,977 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:18:16,978 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:18:16,979 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:18:16" (1/1) ... [2019-09-20 23:18:16,980 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-20 23:18:17,010 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:18:17,010 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:18:17,018 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:18:17,027 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:18:17,029 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:18:17,080 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 23:18:17,858 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 23 [2019-09-20 23:18:18,039 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 28 [2019-09-20 23:18:18,922 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 33 [2019-09-20 23:18:19,208 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 23:18:19,208 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 23:18:19,210 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 23:18:19,222 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 23:18:19,223 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 23:18:19,225 INFO L168 Benchmark]: Toolchain (without parser) took 3142.34 ms. Allocated memory was 134.7 MB in the beginning and 258.5 MB in the end (delta: 123.7 MB). Free memory was 88.4 MB in the beginning and 195.7 MB in the end (delta: -107.4 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-09-20 23:18:19,226 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 134.7 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 23:18:19,227 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.71 ms. Allocated memory is still 134.7 MB. Free memory was 88.1 MB in the beginning and 78.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-09-20 23:18:19,228 INFO L168 Benchmark]: Boogie Preprocessor took 125.60 ms. Allocated memory was 134.7 MB in the beginning and 200.3 MB in the end (delta: 65.5 MB). Free memory was 78.0 MB in the beginning and 177.7 MB in the end (delta: -99.6 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2019-09-20 23:18:19,228 INFO L168 Benchmark]: RCFGBuilder took 440.05 ms. Allocated memory is still 200.3 MB. Free memory was 177.1 MB in the beginning and 159.1 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 7.1 GB. [2019-09-20 23:18:19,229 INFO L168 Benchmark]: Sifa took 2245.58 ms. Allocated memory was 200.3 MB in the beginning and 258.5 MB in the end (delta: 58.2 MB). Free memory was 159.1 MB in the beginning and 195.7 MB in the end (delta: -36.7 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-09-20 23:18:19,234 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 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 327.71 ms. Allocated memory is still 134.7 MB. Free memory was 88.1 MB in the beginning and 78.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.60 ms. Allocated memory was 134.7 MB in the beginning and 200.3 MB in the end (delta: 65.5 MB). Free memory was 78.0 MB in the beginning and 177.7 MB in the end (delta: -99.6 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 440.05 ms. Allocated memory is still 200.3 MB. Free memory was 177.1 MB in the beginning and 159.1 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 7.1 GB. * Sifa took 2245.58 ms. Allocated memory was 200.3 MB in the beginning and 258.5 MB in the end (delta: 58.2 MB). Free memory was 159.1 MB in the beginning and 195.7 MB in the end (delta: -36.7 MB). Peak memory consumption was 21.5 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]: 2201, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 150, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 129, TOOLS_POST_TIME[ms]: 198, 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]: 157, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 17, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 169, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 37, DOMAIN_JOIN_TIME[ms]: 1274, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 581, DOMAIN_ISSUBSETEQ_APPLICATIONS: 19, DOMAIN_ISSUBSETEQ_TIME[ms]: 15, DOMAIN_ISBOTTOM_APPLICATIONS: 16, DOMAIN_ISBOTTOM_TIME[ms]: 22, LOOP_SUMMARIZER_APPLICATIONS: 13, LOOP_SUMMARIZER_CACHE_MISSES: 13, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1755, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1754, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 19, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 16, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 15, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 33, 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...