java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_1b.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-05 15:42:50,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 15:42:50,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 15:42:50,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 15:42:50,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 15:42:50,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 15:42:50,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 15:42:50,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 15:42:50,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 15:42:50,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 15:42:50,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 15:42:50,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 15:42:50,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 15:42:50,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 15:42:50,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 15:42:50,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 15:42:50,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 15:42:50,545 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 15:42:50,547 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 15:42:50,549 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 15:42:50,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 15:42:50,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 15:42:50,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 15:42:50,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 15:42:50,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-05 15:42:50,558 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-05 15:42:50,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-05 15:42:50,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-05 15:42:50,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-05 15:42:50,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-05 15:42:50,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 15:42:50,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 15:42:50,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 15:42:50,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 15:42:50,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 15:42:50,565 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 15:42:50,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 15:42:50,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 15:42:50,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 15:42:50,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 15:42:50,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 15:42:50,569 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 [2019-09-05 15:42:50,584 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 15:42:50,585 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 15:42:50,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-05 15:42:50,586 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-05 15:42:50,586 INFO L138 SettingsManager]: * Use SBE=true [2019-09-05 15:42:50,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 15:42:50,587 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 15:42:50,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-05 15:42:50,587 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 15:42:50,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 15:42:50,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 15:42:50,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 15:42:50,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 15:42:50,588 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 15:42:50,588 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 15:42:50,589 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-05 15:42:50,589 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 15:42:50,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 15:42:50,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 15:42:50,589 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-05 15:42:50,590 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-05 15:42:50,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 15:42:50,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 15:42:50,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 15:42:50,591 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-05 15:42:50,591 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-05 15:42:50,591 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 15:42:50,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 15:42:50,591 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-05 15:42:50,621 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 15:42:50,634 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 15:42:50,637 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 15:42:50,639 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 15:42:50,639 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 15:42:50,640 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_1b.cil.c [2019-09-05 15:42:50,705 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/167ecdec9/2e8d81838cf948578b488151d077f2cf/FLAG24a5c1baa [2019-09-05 15:42:51,187 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 15:42:51,191 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ssh-simplified/s3_srvr_1b.cil.c [2019-09-05 15:42:51,203 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/167ecdec9/2e8d81838cf948578b488151d077f2cf/FLAG24a5c1baa [2019-09-05 15:42:51,557 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/167ecdec9/2e8d81838cf948578b488151d077f2cf [2019-09-05 15:42:51,568 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 15:42:51,570 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 15:42:51,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 15:42:51,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 15:42:51,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 15:42:51,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 03:42:51" (1/1) ... [2019-09-05 15:42:51,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@328a7f88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:42:51, skipping insertion in model container [2019-09-05 15:42:51,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 03:42:51" (1/1) ... [2019-09-05 15:42:51,590 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 15:42:51,623 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 15:42:51,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 15:42:51,826 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 15:42:51,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 15:42:51,862 INFO L192 MainTranslator]: Completed translation [2019-09-05 15:42:51,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:42:51 WrapperNode [2019-09-05 15:42:51,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 15:42:51,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 15:42:51,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 15:42:51,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 15:42:51,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:42:51" (1/1) ... [2019-09-05 15:42:51,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:42:51" (1/1) ... [2019-09-05 15:42:51,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:42:51" (1/1) ... [2019-09-05 15:42:51,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:42:51" (1/1) ... [2019-09-05 15:42:51,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:42:51" (1/1) ... [2019-09-05 15:42:51,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:42:51" (1/1) ... [2019-09-05 15:42:51,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:42:51" (1/1) ... [2019-09-05 15:42:51,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 15:42:51,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 15:42:51,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 15:42:51,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 15:42:51,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:42:51" (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 [2019-09-05 15:42:52,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 15:42:52,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 15:42:52,048 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 15:42:52,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 15:42:52,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-05 15:42:52,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 15:42:52,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-05 15:42:52,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-05 15:42:52,048 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 15:42:52,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 15:42:52,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 15:42:52,299 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 15:42:52,300 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-05 15:42:52,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 03:42:52 BoogieIcfgContainer [2019-09-05 15:42:52,302 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 15:42:52,311 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-05 15:42:52,312 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-05 15:42:52,312 INFO L275 PluginConnector]: Sifa initialized [2019-09-05 15:42:52,313 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 03:42:52" (1/1) ... [2019-09-05 15:42:52,314 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-05 15:42:52,362 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-05 15:42:52,362 INFO L169 IcfgInterpreter]: Building call graph [2019-09-05 15:42:52,370 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-05 15:42:52,381 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-05 15:42:52,382 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-05 15:42:52,434 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-05 15:42:53,894 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-05 15:42:53,895 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-05 15:42:53,899 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1516#(and (<= 2 main_~blastFlag~0) (<= 8466 main_~s__state~0) (<= main_~s__hit~0 2147483647) (<= 0 (+ main_~s__hit~0 2147483648)) (<= main_~s__state~0 8656)) [2019-09-05 15:42:53,917 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-05 15:42:53,918 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-05 15:42:53,921 INFO L168 Benchmark]: Toolchain (without parser) took 2349.67 ms. Allocated memory was 138.9 MB in the beginning and 221.8 MB in the end (delta: 82.8 MB). Free memory was 86.4 MB in the beginning and 126.2 MB in the end (delta: -39.8 MB). Peak memory consumption was 43.1 MB. Max. memory is 7.1 GB. [2019-09-05 15:42:53,922 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-05 15:42:53,924 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.85 ms. Allocated memory is still 138.9 MB. Free memory was 86.2 MB in the beginning and 76.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-09-05 15:42:53,926 INFO L168 Benchmark]: Boogie Preprocessor took 124.99 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 76.2 MB in the beginning and 175.6 MB in the end (delta: -99.4 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-09-05 15:42:53,927 INFO L168 Benchmark]: RCFGBuilder took 312.93 ms. Allocated memory is still 198.7 MB. Free memory was 175.6 MB in the beginning and 161.7 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2019-09-05 15:42:53,933 INFO L168 Benchmark]: Sifa took 1606.49 ms. Allocated memory was 198.7 MB in the beginning and 221.8 MB in the end (delta: 23.1 MB). Free memory was 161.7 MB in the beginning and 126.2 MB in the end (delta: 35.5 MB). Peak memory consumption was 58.6 MB. Max. memory is 7.1 GB. [2019-09-05 15:42:53,945 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 291.85 ms. Allocated memory is still 138.9 MB. Free memory was 86.2 MB in the beginning and 76.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.99 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 76.2 MB in the beginning and 175.6 MB in the end (delta: -99.4 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 312.93 ms. Allocated memory is still 198.7 MB. Free memory was 175.6 MB in the beginning and 161.7 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * Sifa took 1606.49 ms. Allocated memory was 198.7 MB in the beginning and 221.8 MB in the end (delta: 23.1 MB). Free memory was 161.7 MB in the beginning and 126.2 MB in the end (delta: 35.5 MB). Peak memory consumption was 58.6 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]: 1538, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1336, DAG_INTERPRETER_EARLY_EXITS: 110, TOOLS_POST_APPLICATIONS: 1184, TOOLS_POST_TIME[ms]: 310, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 7, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_TIME[ms]: 181, FLUID_QUERY_TIME[ms]: 24, FLUID_QUERIES: 1498, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 292, DOMAIN_JOIN_TIME[ms]: 265, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 35, DOMAIN_WIDEN_TIME[ms]: 28, DOMAIN_ISSUBSETEQ_APPLICATIONS: 162, DOMAIN_ISSUBSETEQ_TIME[ms]: 156, DOMAIN_ISBOTTOM_APPLICATIONS: 324, DOMAIN_ISBOTTOM_TIME[ms]: 504, LOOP_SUMMARIZER_APPLICATIONS: 127, LOOP_SUMMARIZER_CACHE_MISSES: 127, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1239, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1238, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 162, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 96, DAG_COMPRESSION_PROCESSED_NODES: 1343, DAG_COMPRESSION_RETAINED_NODES: 567 - 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 1516#(and (<= 2 main_~blastFlag~0) (<= 8466 main_~s__state~0) (<= main_~s__hit~0 2147483647) (<= 0 (+ main_~s__hit~0 2147483648)) (<= main_~s__state~0 8656)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...