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 -i ../../../trunk/examples/svcomp/floats-cdfpl/newton_2_8.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 00:35:28,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 00:35:28,401 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 00:35:28,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 00:35:28,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 00:35:28,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 00:35:28,419 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 00:35:28,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 00:35:28,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 00:35:28,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 00:35:28,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 00:35:28,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 00:35:28,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 00:35:28,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 00:35:28,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 00:35:28,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 00:35:28,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 00:35:28,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 00:35:28,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 00:35:28,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 00:35:28,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 00:35:28,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 00:35:28,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 00:35:28,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 00:35:28,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-31 00:35:28,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 00:35:28,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 00:35:28,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 00:35:28,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 00:35:28,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 00:35:28,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 00:35:28,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 00:35:28,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 00:35:28,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 00:35:28,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 00:35:28,460 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 00:35:28,461 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 [2019-08-31 00:35:28,486 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 00:35:28,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 00:35:28,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 00:35:28,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 00:35:28,489 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 00:35:28,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 00:35:28,490 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 00:35:28,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 00:35:28,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 00:35:28,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 00:35:28,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 00:35:28,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 00:35:28,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 00:35:28,493 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 00:35:28,493 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 00:35:28,493 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 00:35:28,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 00:35:28,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 00:35:28,494 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 00:35:28,494 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 00:35:28,495 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 00:35:28,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 00:35:28,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 00:35:28,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 00:35:28,496 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 00:35:28,496 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 00:35:28,496 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 00:35:28,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 00:35:28,497 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 00:35:28,543 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 00:35:28,554 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 00:35:28,558 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 00:35:28,559 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 00:35:28,559 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 00:35:28,560 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_2_8.i [2019-08-31 00:35:28,621 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c85ca4f7/fb46ce5da8f340d19fa520487948c536/FLAG5c517f50c [2019-08-31 00:35:29,050 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 00:35:29,051 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_2_8.i [2019-08-31 00:35:29,057 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c85ca4f7/fb46ce5da8f340d19fa520487948c536/FLAG5c517f50c [2019-08-31 00:35:29,434 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c85ca4f7/fb46ce5da8f340d19fa520487948c536 [2019-08-31 00:35:29,444 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 00:35:29,445 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 00:35:29,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 00:35:29,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 00:35:29,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 00:35:29,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 12:35:29" (1/1) ... [2019-08-31 00:35:29,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7950c5a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:35:29, skipping insertion in model container [2019-08-31 00:35:29,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 12:35:29" (1/1) ... [2019-08-31 00:35:29,460 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 00:35:29,475 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 00:35:29,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 00:35:29,621 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 00:35:29,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 00:35:29,656 INFO L192 MainTranslator]: Completed translation [2019-08-31 00:35:29,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:35:29 WrapperNode [2019-08-31 00:35:29,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 00:35:29,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 00:35:29,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 00:35:29,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 00:35:29,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:35:29" (1/1) ... [2019-08-31 00:35:29,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:35:29" (1/1) ... [2019-08-31 00:35:29,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:35:29" (1/1) ... [2019-08-31 00:35:29,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:35:29" (1/1) ... [2019-08-31 00:35:29,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:35:29" (1/1) ... [2019-08-31 00:35:29,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:35:29" (1/1) ... [2019-08-31 00:35:29,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:35:29" (1/1) ... [2019-08-31 00:35:29,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 00:35:29,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 00:35:29,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 00:35:29,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 00:35:29,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:35:29" (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 [2019-08-31 00:35:29,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 00:35:29,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 00:35:29,838 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-31 00:35:29,838 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2019-08-31 00:35:29,838 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 00:35:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 00:35:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-31 00:35:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-31 00:35:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-31 00:35:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2019-08-31 00:35:29,839 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 00:35:29,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 00:35:29,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 00:35:29,996 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 00:35:29,996 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 00:35:29,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 12:35:29 BoogieIcfgContainer [2019-08-31 00:35:29,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 00:35:29,998 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 00:35:29,998 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 00:35:29,999 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 00:35:30,001 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 12:35:29" (1/1) ... [2019-08-31 00:35:30,041 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 00:35:30,042 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 00:35:30,051 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 00:35:30,062 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 00:35:30,064 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 00:35:30,120 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-08-31 00:35:30,180 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 00:35:30,181 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 00:35:30,183 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 39#true [2019-08-31 00:35:30,198 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 00:35:30,198 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 00:35:30,200 INFO L168 Benchmark]: Toolchain (without parser) took 754.58 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 89.2 MB in the beginning and 156.8 MB in the end (delta: -67.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-31 00:35:30,201 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 00:35:30,201 INFO L168 Benchmark]: CACSL2BoogieTranslator took 211.04 ms. Allocated memory is still 132.6 MB. Free memory was 89.0 MB in the beginning and 79.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-08-31 00:35:30,202 INFO L168 Benchmark]: Boogie Preprocessor took 132.07 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 79.1 MB in the beginning and 175.8 MB in the end (delta: -96.7 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-08-31 00:35:30,203 INFO L168 Benchmark]: RCFGBuilder took 207.72 ms. Allocated memory is still 199.2 MB. Free memory was 175.8 MB in the beginning and 165.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-08-31 00:35:30,204 INFO L168 Benchmark]: Sifa took 200.08 ms. Allocated memory is still 199.2 MB. Free memory was 165.0 MB in the beginning and 156.8 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2019-08-31 00:35:30,208 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 211.04 ms. Allocated memory is still 132.6 MB. Free memory was 89.0 MB in the beginning and 79.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.07 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 79.1 MB in the beginning and 175.8 MB in the end (delta: -96.7 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 207.72 ms. Allocated memory is still 199.2 MB. Free memory was 175.8 MB in the beginning and 165.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * Sifa took 200.08 ms. Allocated memory is still 199.2 MB. Free memory was 165.0 MB in the beginning and 156.8 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 0.1s OVERALL_TIME, 2 ICFG_INTERPRETER_ENTERED_PROCEDURES, 16 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 10 TOOLS_POST_APPLICATIONS, 0.0s TOOLS_POST_TIME, 6 TOOLS_POST_CALL_APPLICATIONS, 0.0s TOOLS_POST_CALL_TIME, 5 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 0.0s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 16 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 4 DOMAIN_JOIN_APPLICATIONS, 0.0s DOMAIN_JOIN_TIME, 0 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 0 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 0 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 0 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 0 LOOP_SUMMARIZER_APPLICATIONS, 0 LOOP_SUMMARIZER_CACHE_MISSES, 0.0s LOOP_SUMMARIZER_OVERALL_TIME, 0.0s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 0 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 5 CALL_SUMMARIZER_APPLICATIONS, 3 CALL_SUMMARIZER_CACHE_MISSES, 0.0s CALL_SUMMARIZER_OVERALL_TIME, 0.0s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.0s DAG_COMPRESSION_TIME, 56 DAG_COMPRESSION_PROCESSED_NODES, 31 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 28]: 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 39#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...