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-cbmc-regression/float1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 00:37:05,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 00:37:05,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 00:37:05,314 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 00:37:05,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 00:37:05,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 00:37:05,317 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 00:37:05,319 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 00:37:05,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 00:37:05,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 00:37:05,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 00:37:05,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 00:37:05,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 00:37:05,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 00:37:05,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 00:37:05,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 00:37:05,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 00:37:05,328 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 00:37:05,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 00:37:05,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 00:37:05,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 00:37:05,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 00:37:05,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 00:37:05,335 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 00:37:05,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-31 00:37:05,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 00:37:05,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 00:37:05,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 00:37:05,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 00:37:05,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 00:37:05,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 00:37:05,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 00:37:05,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 00:37:05,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 00:37:05,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 00:37:05,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 00:37:05,346 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 00:37:05,359 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 00:37:05,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 00:37:05,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 00:37:05,361 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 00:37:05,361 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 00:37:05,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 00:37:05,362 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 00:37:05,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 00:37:05,362 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 00:37:05,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 00:37:05,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 00:37:05,363 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 00:37:05,363 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 00:37:05,363 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 00:37:05,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 00:37:05,363 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 00:37:05,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 00:37:05,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 00:37:05,364 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 00:37:05,364 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 00:37:05,364 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 00:37:05,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 00:37:05,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 00:37:05,365 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 00:37:05,365 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 00:37:05,365 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 00:37:05,365 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 00:37:05,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 00:37:05,366 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 00:37:05,394 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 00:37:05,405 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 00:37:05,409 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 00:37:05,410 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 00:37:05,411 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 00:37:05,411 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float1.c [2019-08-31 00:37:05,470 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/170206993/0529d7f63ba140f58f1d7512c33639c4/FLAGd6340a9d2 [2019-08-31 00:37:05,891 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 00:37:05,892 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float1.c [2019-08-31 00:37:05,898 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/170206993/0529d7f63ba140f58f1d7512c33639c4/FLAGd6340a9d2 [2019-08-31 00:37:05,912 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/170206993/0529d7f63ba140f58f1d7512c33639c4 [2019-08-31 00:37:05,925 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 00:37:05,927 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 00:37:05,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 00:37:05,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 00:37:05,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 00:37:05,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 12:37:05" (1/1) ... [2019-08-31 00:37:05,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30b76c75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:37:05, skipping insertion in model container [2019-08-31 00:37:05,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 12:37:05" (1/1) ... [2019-08-31 00:37:05,943 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 00:37:05,958 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 00:37:06,156 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 00:37:06,165 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 00:37:06,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 00:37:06,201 INFO L192 MainTranslator]: Completed translation [2019-08-31 00:37:06,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:37:06 WrapperNode [2019-08-31 00:37:06,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 00:37:06,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 00:37:06,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 00:37:06,204 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 00:37:06,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:37:06" (1/1) ... [2019-08-31 00:37:06,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:37:06" (1/1) ... [2019-08-31 00:37:06,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:37:06" (1/1) ... [2019-08-31 00:37:06,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:37:06" (1/1) ... [2019-08-31 00:37:06,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:37:06" (1/1) ... [2019-08-31 00:37:06,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:37:06" (1/1) ... [2019-08-31 00:37:06,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:37:06" (1/1) ... [2019-08-31 00:37:06,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 00:37:06,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 00:37:06,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 00:37:06,324 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 00:37:06,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:37:06" (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 00:37:06,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 00:37:06,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 00:37:06,380 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 00:37:06,380 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 00:37:06,380 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 00:37:06,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 00:37:06,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 00:37:06,508 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 00:37:06,508 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 00:37:06,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 12:37:06 BoogieIcfgContainer [2019-08-31 00:37:06,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 00:37:06,510 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 00:37:06,510 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 00:37:06,510 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 00:37:06,512 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 12:37:06" (1/1) ... [2019-08-31 00:37:06,548 INFO L162 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-31 00:37:06,549 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 00:37:06,556 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 00:37:06,568 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 00:37:06,569 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 00:37:06,622 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-08-31 00:37:06,659 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 00:37:06,659 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 00:37:06,663 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 32#(not (= main_~y~0 1)) [2019-08-31 00:37:06,663 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 20#(not (= main_~y~0 1)) [2019-08-31 00:37:06,683 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 00:37:06,683 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 00:37:06,685 INFO L168 Benchmark]: Toolchain (without parser) took 758.18 ms. Allocated memory was 133.7 MB in the beginning and 202.4 MB in the end (delta: 68.7 MB). Free memory was 90.1 MB in the beginning and 161.4 MB in the end (delta: -71.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-31 00:37:06,685 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 133.7 MB. Free memory is still 107.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-31 00:37:06,686 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.58 ms. Allocated memory is still 133.7 MB. Free memory was 89.7 MB in the beginning and 80.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-31 00:37:06,688 INFO L168 Benchmark]: Boogie Preprocessor took 120.83 ms. Allocated memory was 133.7 MB in the beginning and 202.4 MB in the end (delta: 68.7 MB). Free memory was 80.5 MB in the beginning and 178.8 MB in the end (delta: -98.3 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-08-31 00:37:06,688 INFO L168 Benchmark]: RCFGBuilder took 185.55 ms. Allocated memory is still 202.4 MB. Free memory was 178.8 MB in the beginning and 169.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-08-31 00:37:06,689 INFO L168 Benchmark]: Sifa took 173.50 ms. Allocated memory is still 202.4 MB. Free memory was 169.3 MB in the beginning and 161.4 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 7.1 GB. [2019-08-31 00:37:06,693 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 133.7 MB. Free memory is still 107.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 274.58 ms. Allocated memory is still 133.7 MB. Free memory was 89.7 MB in the beginning and 80.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.83 ms. Allocated memory was 133.7 MB in the beginning and 202.4 MB in the end (delta: 68.7 MB). Free memory was 80.5 MB in the beginning and 178.8 MB in the end (delta: -98.3 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 185.55 ms. Allocated memory is still 202.4 MB. Free memory was 178.8 MB in the beginning and 169.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Sifa took 173.50 ms. Allocated memory is still 202.4 MB. Free memory was 169.3 MB in the beginning and 161.4 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 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, 13 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 11 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, 13 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, 2 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, 53 DAG_COMPRESSION_PROCESSED_NODES, 26 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 17]: 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 32#(not (= main_~y~0 1)). Possible FailurePath: - UnprovableResult [Line: 10]: 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 20#(not (= main_~y~0 1)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...