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/array-crafted/bAnd2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-05 15:27:45,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 15:27:45,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 15:27:45,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 15:27:45,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 15:27:45,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 15:27:45,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 15:27:45,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 15:27:45,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 15:27:45,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 15:27:45,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 15:27:45,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 15:27:45,382 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 15:27:45,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 15:27:45,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 15:27:45,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 15:27:45,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 15:27:45,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 15:27:45,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 15:27:45,395 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 15:27:45,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 15:27:45,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 15:27:45,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 15:27:45,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 15:27:45,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-05 15:27:45,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 15:27:45,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 15:27:45,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 15:27:45,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 15:27:45,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 15:27:45,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 15:27:45,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 15:27:45,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 15:27:45,409 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 15:27:45,410 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 15:27:45,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 15:27:45,411 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 15:27:45,425 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 15:27:45,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 15:27:45,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-05 15:27:45,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-05 15:27:45,427 INFO L138 SettingsManager]: * Use SBE=true [2019-09-05 15:27:45,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 15:27:45,427 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 15:27:45,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-05 15:27:45,428 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 15:27:45,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 15:27:45,428 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 15:27:45,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 15:27:45,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 15:27:45,429 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 15:27:45,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 15:27:45,429 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-05 15:27:45,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 15:27:45,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 15:27:45,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 15:27:45,430 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-05 15:27:45,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-05 15:27:45,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 15:27:45,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 15:27:45,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 15:27:45,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-05 15:27:45,431 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-05 15:27:45,432 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 15:27:45,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 15:27:45,432 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 15:27:45,461 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 15:27:45,475 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 15:27:45,482 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 15:27:45,483 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 15:27:45,484 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 15:27:45,485 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-crafted/bAnd2.i [2019-09-05 15:27:45,550 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddb9cfaf7/0733475b350147368268f2a5926aeed2/FLAG2e2325189 [2019-09-05 15:27:45,961 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 15:27:45,962 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-crafted/bAnd2.i [2019-09-05 15:27:45,968 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddb9cfaf7/0733475b350147368268f2a5926aeed2/FLAG2e2325189 [2019-09-05 15:27:46,387 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddb9cfaf7/0733475b350147368268f2a5926aeed2 [2019-09-05 15:27:46,399 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 15:27:46,401 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 15:27:46,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 15:27:46,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 15:27:46,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 15:27:46,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 03:27:46" (1/1) ... [2019-09-05 15:27:46,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25d452d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:46, skipping insertion in model container [2019-09-05 15:27:46,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 03:27:46" (1/1) ... [2019-09-05 15:27:46,417 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 15:27:46,433 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 15:27:46,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 15:27:46,691 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 15:27:46,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 15:27:46,854 INFO L192 MainTranslator]: Completed translation [2019-09-05 15:27:46,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:46 WrapperNode [2019-09-05 15:27:46,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 15:27:46,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 15:27:46,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 15:27:46,856 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 15:27:46,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:46" (1/1) ... [2019-09-05 15:27:46,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:46" (1/1) ... [2019-09-05 15:27:46,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:46" (1/1) ... [2019-09-05 15:27:46,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:46" (1/1) ... [2019-09-05 15:27:46,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:46" (1/1) ... [2019-09-05 15:27:46,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:46" (1/1) ... [2019-09-05 15:27:46,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:46" (1/1) ... [2019-09-05 15:27:46,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 15:27:46,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 15:27:46,919 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 15:27:46,919 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 15:27:46,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:46" (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 15:27:46,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 15:27:46,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 15:27:46,981 INFO L138 BoogieDeclarations]: Found implementation of procedure bAnd [2019-09-05 15:27:46,981 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 15:27:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 15:27:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 15:27:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure bAnd [2019-09-05 15:27:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-05 15:27:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 15:27:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-05 15:27:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-05 15:27:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-05 15:27:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 15:27:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 15:27:47,224 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 15:27:47,225 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-05 15:27:47,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 03:27:47 BoogieIcfgContainer [2019-09-05 15:27:47,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 15:27:47,227 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-05 15:27:47,228 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-05 15:27:47,228 INFO L275 PluginConnector]: Sifa initialized [2019-09-05 15:27:47,229 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 03:27:47" (1/1) ... [2019-09-05 15:27:47,230 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 15:27:47,258 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-05 15:27:47,259 INFO L169 IcfgInterpreter]: Building call graph [2019-09-05 15:27:47,267 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-05 15:27:47,278 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-05 15:27:47,280 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-05 15:27:47,384 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-09-05 15:27:47,815 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-05 15:27:47,818 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-05 15:27:47,820 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 68#(and (<= 0 (+ main_~ret2~0 2147483648)) (<= 1000 main_~i~1) (<= 0 (+ main_~ret~0 2147483648)) (<= main_~ret5~0 2147483647) (<= 999 main_~i~2) (<= 0 (+ main_~ret5~0 2147483648)) (<= main_~ret~0 2147483647) (<= main_~ret2~0 2147483647)) [2019-09-05 15:27:47,835 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-05 15:27:47,835 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-05 15:27:47,837 INFO L168 Benchmark]: Toolchain (without parser) took 1436.23 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 85.8 MB in the beginning and 131.2 MB in the end (delta: -45.4 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. [2019-09-05 15:27:47,838 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-05 15:27:47,839 INFO L168 Benchmark]: CACSL2BoogieTranslator took 452.64 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 85.6 MB in the beginning and 177.1 MB in the end (delta: -91.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2019-09-05 15:27:47,840 INFO L168 Benchmark]: Boogie Preprocessor took 62.13 ms. Allocated memory is still 198.7 MB. Free memory was 176.5 MB in the beginning and 174.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-05 15:27:47,841 INFO L168 Benchmark]: RCFGBuilder took 308.42 ms. Allocated memory is still 198.7 MB. Free memory was 174.3 MB in the beginning and 158.3 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-09-05 15:27:47,842 INFO L168 Benchmark]: Sifa took 608.08 ms. Allocated memory is still 198.7 MB. Free memory was 158.3 MB in the beginning and 131.2 MB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2019-09-05 15:27:47,846 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 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 452.64 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 85.6 MB in the beginning and 177.1 MB in the end (delta: -91.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.13 ms. Allocated memory is still 198.7 MB. Free memory was 176.5 MB in the beginning and 174.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 308.42 ms. Allocated memory is still 198.7 MB. Free memory was 174.3 MB in the beginning and 158.3 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * Sifa took 608.08 ms. Allocated memory is still 198.7 MB. Free memory was 158.3 MB in the beginning and 131.2 MB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 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]: 563, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 44, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 36, TOOLS_POST_TIME[ms]: 307, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 28, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 5, TOOLS_QUANTIFIERELIM_TIME[ms]: 311, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 50, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 16, DOMAIN_JOIN_TIME[ms]: 32, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 5, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 25, DOMAIN_ISBOTTOM_APPLICATIONS: 5, DOMAIN_ISBOTTOM_TIME[ms]: 21, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 240, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 240, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 61, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 16, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 45, DAG_COMPRESSION_PROCESSED_NODES: 128, DAG_COMPRESSION_RETAINED_NODES: 73 - UnprovableResult [Line: 42]: 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 68#(and (<= 0 (+ main_~ret2~0 2147483648)) (<= 1000 main_~i~1) (<= 0 (+ main_~ret~0 2147483648)) (<= main_~ret5~0 2147483647) (<= 999 main_~i~2) (<= 0 (+ main_~ret5~0 2147483648)) (<= main_~ret~0 2147483647) (<= main_~ret2~0 2147483647)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...