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/square_8.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 00:36:48,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 00:36:48,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 00:36:48,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 00:36:48,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 00:36:48,350 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 00:36:48,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 00:36:48,353 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 00:36:48,355 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 00:36:48,356 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 00:36:48,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 00:36:48,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 00:36:48,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 00:36:48,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 00:36:48,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 00:36:48,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 00:36:48,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 00:36:48,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 00:36:48,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 00:36:48,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 00:36:48,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 00:36:48,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 00:36:48,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 00:36:48,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 00:36:48,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-31 00:36:48,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 00:36:48,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 00:36:48,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 00:36:48,378 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 00:36:48,379 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 00:36:48,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 00:36:48,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 00:36:48,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 00:36:48,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 00:36:48,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 00:36:48,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 00:36:48,382 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 00:36:48,396 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 00:36:48,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 00:36:48,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 00:36:48,398 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 00:36:48,398 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 00:36:48,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 00:36:48,398 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 00:36:48,399 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 00:36:48,399 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 00:36:48,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 00:36:48,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 00:36:48,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 00:36:48,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 00:36:48,400 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 00:36:48,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 00:36:48,400 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 00:36:48,400 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 00:36:48,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 00:36:48,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 00:36:48,401 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 00:36:48,401 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 00:36:48,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 00:36:48,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 00:36:48,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 00:36:48,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 00:36:48,402 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 00:36:48,402 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 00:36:48,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 00:36:48,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 00:36:48,433 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 00:36:48,447 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 00:36:48,451 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 00:36:48,452 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 00:36:48,453 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 00:36:48,453 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/square_8.i [2019-08-31 00:36:48,531 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b290a6b9/8652481f7d3c44a6a3dbc35ac299f1e0/FLAG1746536be [2019-08-31 00:36:48,944 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 00:36:48,946 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/square_8.i [2019-08-31 00:36:48,952 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b290a6b9/8652481f7d3c44a6a3dbc35ac299f1e0/FLAG1746536be [2019-08-31 00:36:48,975 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b290a6b9/8652481f7d3c44a6a3dbc35ac299f1e0 [2019-08-31 00:36:48,988 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 00:36:48,990 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 00:36:48,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 00:36:48,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 00:36:48,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 00:36:48,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 12:36:48" (1/1) ... [2019-08-31 00:36:49,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44503ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:36:48, skipping insertion in model container [2019-08-31 00:36:49,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 12:36:48" (1/1) ... [2019-08-31 00:36:49,008 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 00:36:49,028 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 00:36:49,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 00:36:49,221 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 00:36:49,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 00:36:49,254 INFO L192 MainTranslator]: Completed translation [2019-08-31 00:36:49,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:36:49 WrapperNode [2019-08-31 00:36:49,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 00:36:49,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 00:36:49,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 00:36:49,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 00:36:49,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:36:49" (1/1) ... [2019-08-31 00:36:49,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:36:49" (1/1) ... [2019-08-31 00:36:49,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:36:49" (1/1) ... [2019-08-31 00:36:49,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:36:49" (1/1) ... [2019-08-31 00:36:49,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:36:49" (1/1) ... [2019-08-31 00:36:49,368 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:36:49" (1/1) ... [2019-08-31 00:36:49,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:36:49" (1/1) ... [2019-08-31 00:36:49,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 00:36:49,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 00:36:49,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 00:36:49,375 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 00:36:49,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:36:49" (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 00:36:49,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 00:36:49,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 00:36:49,425 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 00:36:49,425 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 00:36:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-31 00:36:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-31 00:36:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 00:36:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 00:36:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 00:36:49,555 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 00:36:49,556 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 00:36:49,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 12:36:49 BoogieIcfgContainer [2019-08-31 00:36:49,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 00:36:49,558 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 00:36:49,558 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 00:36:49,558 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 00:36:49,559 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 12:36:49" (1/1) ... [2019-08-31 00:36:49,601 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 00:36:49,602 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 00:36:49,608 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 00:36:49,616 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 00:36:49,617 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 00:36:49,667 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-08-31 00:36:49,690 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 00:36:49,690 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 00:36:49,692 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 17#(= main_~x~0 main_~IN~0) [2019-08-31 00:36:49,707 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 00:36:49,707 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 00:36:49,709 INFO L168 Benchmark]: Toolchain (without parser) took 719.38 ms. Allocated memory was 134.7 MB in the beginning and 202.9 MB in the end (delta: 68.2 MB). Free memory was 89.4 MB in the beginning and 162.6 MB in the end (delta: -73.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-31 00:36:49,710 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 134.7 MB. Free memory is still 107.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-31 00:36:49,711 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.03 ms. Allocated memory is still 134.7 MB. Free memory was 89.4 MB in the beginning and 79.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-08-31 00:36:49,712 INFO L168 Benchmark]: Boogie Preprocessor took 118.68 ms. Allocated memory was 134.7 MB in the beginning and 202.9 MB in the end (delta: 68.2 MB). Free memory was 79.9 MB in the beginning and 179.9 MB in the end (delta: -100.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-08-31 00:36:49,713 INFO L168 Benchmark]: RCFGBuilder took 182.83 ms. Allocated memory is still 202.9 MB. Free memory was 179.0 MB in the beginning and 169.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-08-31 00:36:49,714 INFO L168 Benchmark]: Sifa took 150.01 ms. Allocated memory is still 202.9 MB. Free memory was 169.4 MB in the beginning and 162.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 7.1 GB. [2019-08-31 00:36:49,718 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 134.7 MB. Free memory is still 107.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 263.03 ms. Allocated memory is still 134.7 MB. Free memory was 89.4 MB in the beginning and 79.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.68 ms. Allocated memory was 134.7 MB in the beginning and 202.9 MB in the end (delta: 68.2 MB). Free memory was 79.9 MB in the beginning and 179.9 MB in the end (delta: -100.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 182.83 ms. Allocated memory is still 202.9 MB. Free memory was 179.0 MB in the beginning and 169.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Sifa took 150.01 ms. Allocated memory is still 202.9 MB. Free memory was 169.4 MB in the beginning and 162.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 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, 6 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 4 TOOLS_POST_APPLICATIONS, 0.0s TOOLS_POST_TIME, 2 TOOLS_POST_CALL_APPLICATIONS, 0.0s TOOLS_POST_CALL_TIME, 1 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 0.0s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 6 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 2 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, 1 CALL_SUMMARIZER_APPLICATIONS, 1 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, 29 DAG_COMPRESSION_PROCESSED_NODES, 19 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 15]: 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 17#(= main_~x~0 main_~IN~0). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...