/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/float-benchs/filter1.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 06:06:33,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 06:06:33,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 06:06:33,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 06:06:33,216 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 06:06:33,220 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 06:06:33,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 06:06:33,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 06:06:33,236 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 06:06:33,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 06:06:33,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 06:06:33,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 06:06:33,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 06:06:33,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 06:06:33,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 06:06:33,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 06:06:33,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 06:06:33,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 06:06:33,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 06:06:33,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 06:06:33,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 06:06:33,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 06:06:33,306 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 06:06:33,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 06:06:33,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 06:06:33,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 06:06:33,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 06:06:33,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 06:06:33,322 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 06:06:33,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 06:06:33,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 06:06:33,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 06:06:33,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 06:06:33,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 06:06:33,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 06:06:33,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 06:06:33,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 06:06:33,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 06:06:33,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 06:06:33,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 06:06:33,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 06:06:33,339 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 06:06:33,388 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 06:06:33,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 06:06:33,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 06:06:33,392 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 06:06:33,392 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 06:06:33,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 06:06:33,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 06:06:33,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 06:06:33,393 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 06:06:33,393 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 06:06:33,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 06:06:33,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 06:06:33,395 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 06:06:33,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 06:06:33,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 06:06:33,396 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 06:06:33,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 06:06:33,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 06:06:33,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 06:06:33,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 06:06:33,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 06:06:33,397 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 06:06:33,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 06:06:33,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 06:06:33,398 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 06:06:33,398 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 06:06:33,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 06:06:33,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 06:06:33,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 06:06:33,896 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 06:06:33,897 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 06:06:33,898 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter1.c.v+nlh-reducer.c [2020-12-23 06:06:33,980 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a52448731/77413e4c96eb4a09a16ed775c62fc507/FLAGa63b5d491 [2020-12-23 06:06:34,593 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 06:06:34,594 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/float-benchs/filter1.c.v+nlh-reducer.c [2020-12-23 06:06:34,605 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a52448731/77413e4c96eb4a09a16ed775c62fc507/FLAGa63b5d491 [2020-12-23 06:06:34,911 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a52448731/77413e4c96eb4a09a16ed775c62fc507 [2020-12-23 06:06:34,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 06:06:34,917 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 06:06:34,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 06:06:34,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 06:06:34,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 06:06:34,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:06:34" (1/1) ... [2020-12-23 06:06:34,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13702f04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:34, skipping insertion in model container [2020-12-23 06:06:34,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:06:34" (1/1) ... [2020-12-23 06:06:34,935 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 06:06:34,959 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~main__E1~0,] left hand side expression in assignment: lhs: VariableLHS[~main__S~0,] left hand side expression in assignment: lhs: VariableLHS[~main__i~0,] left hand side expression in assignment: lhs: VariableLHS[~main__E0~0,] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~main__S~0,] left hand side expression in assignment: lhs: VariableLHS[~main__E1~0,] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~__VERIFIER_assert__cond~0,] [2020-12-23 06:06:35,144 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/float-benchs/filter1.c.v+nlh-reducer.c[1372,1385] left hand side expression in assignment: lhs: VariableLHS[~__tmp_129_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_129_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_129_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~main__i~0,] left hand side expression in assignment: lhs: VariableLHS[~main__E0~0,] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~main__S~0,] left hand side expression in assignment: lhs: VariableLHS[~main__E1~0,] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_2~1,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2~0,] left hand side expression in assignment: lhs: VariableLHS[~__VERIFIER_assert__cond~1,] [2020-12-23 06:06:35,155 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/float-benchs/filter1.c.v+nlh-reducer.c[2411,2424] left hand side expression in assignment: lhs: VariableLHS[~__tmp_129_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_129_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_129_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_2~1,] left hand side expression in assignment: lhs: VariableLHS[~main__S~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_112_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~__return_134~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~main__S~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_112_0~0,GLOBAL] [2020-12-23 06:06:35,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 06:06:35,173 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~main__E1~0,] left hand side expression in assignment: lhs: VariableLHS[~main__S~0,] left hand side expression in assignment: lhs: VariableLHS[~main__i~0,] left hand side expression in assignment: lhs: VariableLHS[~main__E0~0,] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~main__S~0,] left hand side expression in assignment: lhs: VariableLHS[~main__E1~0,] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~__VERIFIER_assert__cond~0,] [2020-12-23 06:06:35,193 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/float-benchs/filter1.c.v+nlh-reducer.c[1372,1385] left hand side expression in assignment: lhs: VariableLHS[~__tmp_129_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_129_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_129_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~main__i~0,] left hand side expression in assignment: lhs: VariableLHS[~main__E0~0,] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~main__S~0,] left hand side expression in assignment: lhs: VariableLHS[~main__E1~0,] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_2~1,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2~0,] left hand side expression in assignment: lhs: VariableLHS[~__VERIFIER_assert__cond~1,] [2020-12-23 06:06:35,199 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/float-benchs/filter1.c.v+nlh-reducer.c[2411,2424] left hand side expression in assignment: lhs: VariableLHS[~__tmp_129_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_129_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_129_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_2~1,] left hand side expression in assignment: lhs: VariableLHS[~main__S~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_112_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~__return_134~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~main__S~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_112_0~0,GLOBAL] [2020-12-23 06:06:35,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 06:06:35,240 INFO L208 MainTranslator]: Completed translation [2020-12-23 06:06:35,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:35 WrapperNode [2020-12-23 06:06:35,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 06:06:35,243 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 06:06:35,243 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 06:06:35,244 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 06:06:35,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:35" (1/1) ... [2020-12-23 06:06:35,267 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:35" (1/1) ... [2020-12-23 06:06:35,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 06:06:35,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 06:06:35,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 06:06:35,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 06:06:35,314 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:35" (1/1) ... [2020-12-23 06:06:35,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:35" (1/1) ... [2020-12-23 06:06:35,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:35" (1/1) ... [2020-12-23 06:06:35,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:35" (1/1) ... [2020-12-23 06:06:35,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:35" (1/1) ... [2020-12-23 06:06:35,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:35" (1/1) ... [2020-12-23 06:06:35,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:35" (1/1) ... [2020-12-23 06:06:35,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 06:06:35,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 06:06:35,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 06:06:35,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 06:06:35,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:35" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/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 [2020-12-23 06:06:35,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 06:06:35,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 06:06:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 06:06:35,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 06:06:35,935 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 06:06:35,936 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-23 06:06:35,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:06:35 BoogieIcfgContainer [2020-12-23 06:06:35,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 06:06:35,941 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 06:06:35,944 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 06:06:35,947 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 06:06:35,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 06:06:34" (1/3) ... [2020-12-23 06:06:35,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3180491c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:06:35, skipping insertion in model container [2020-12-23 06:06:35,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:35" (2/3) ... [2020-12-23 06:06:35,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3180491c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:06:35, skipping insertion in model container [2020-12-23 06:06:35,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:06:35" (3/3) ... [2020-12-23 06:06:35,953 INFO L111 eAbstractionObserver]: Analyzing ICFG filter1.c.v+nlh-reducer.c [2020-12-23 06:06:35,962 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 06:06:35,968 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-23 06:06:35,994 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-23 06:06:36,029 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 06:06:36,029 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 06:06:36,029 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 06:06:36,030 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 06:06:36,030 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 06:06:36,030 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 06:06:36,030 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 06:06:36,031 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 06:06:36,047 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2020-12-23 06:06:36,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-23 06:06:36,054 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 06:06:36,055 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 06:06:36,055 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 06:06:36,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 06:06:36,062 INFO L82 PathProgramCache]: Analyzing trace with hash 775758574, now seen corresponding path program 1 times [2020-12-23 06:06:36,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 06:06:36,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432990237] [2020-12-23 06:06:36,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 06:06:36,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 06:06:36,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 06:06:36,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432990237] [2020-12-23 06:06:36,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 06:06:36,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 06:06:36,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961684798] [2020-12-23 06:06:36,345 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 06:06:36,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 06:06:36,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 06:06:36,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 06:06:36,364 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 5 states. [2020-12-23 06:06:36,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 06:06:36,474 INFO L93 Difference]: Finished difference Result 47 states and 61 transitions. [2020-12-23 06:06:36,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 06:06:36,476 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-12-23 06:06:36,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 06:06:36,487 INFO L225 Difference]: With dead ends: 47 [2020-12-23 06:06:36,487 INFO L226 Difference]: Without dead ends: 34 [2020-12-23 06:06:36,490 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 06:06:36,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-12-23 06:06:36,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-12-23 06:06:36,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-12-23 06:06:36,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 40 transitions. [2020-12-23 06:06:36,534 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 40 transitions. Word has length 13 [2020-12-23 06:06:36,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 06:06:36,534 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 40 transitions. [2020-12-23 06:06:36,534 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 06:06:36,535 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2020-12-23 06:06:36,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-23 06:06:36,535 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 06:06:36,536 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 06:06:36,536 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 06:06:36,536 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 06:06:36,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 06:06:36,537 INFO L82 PathProgramCache]: Analyzing trace with hash 845201395, now seen corresponding path program 1 times [2020-12-23 06:06:36,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 06:06:36,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139888698] [2020-12-23 06:06:36,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 06:06:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 06:06:36,561 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 06:06:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 06:06:36,578 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 06:06:36,604 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 06:06:36,604 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 06:06:36,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 06:06:36,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 06:06:36 BoogieIcfgContainer [2020-12-23 06:06:36,644 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 06:06:36,644 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 06:06:36,645 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 06:06:36,645 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 06:06:36,645 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:06:35" (3/4) ... [2020-12-23 06:06:36,649 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-23 06:06:36,649 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 06:06:36,652 INFO L168 Benchmark]: Toolchain (without parser) took 1734.71 ms. Allocated memory is still 163.6 MB. Free memory was 137.9 MB in the beginning and 109.4 MB in the end (delta: 28.5 MB). Peak memory consumption was 28.6 MB. Max. memory is 8.0 GB. [2020-12-23 06:06:36,653 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 163.6 MB. Free memory is still 136.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 06:06:36,654 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.79 ms. Allocated memory is still 163.6 MB. Free memory was 137.7 MB in the beginning and 126.4 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-12-23 06:06:36,654 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.64 ms. Allocated memory is still 163.6 MB. Free memory was 126.4 MB in the beginning and 124.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 06:06:36,655 INFO L168 Benchmark]: Boogie Preprocessor took 27.90 ms. Allocated memory is still 163.6 MB. Free memory was 124.7 MB in the beginning and 123.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 06:06:36,656 INFO L168 Benchmark]: RCFGBuilder took 607.00 ms. Allocated memory is still 163.6 MB. Free memory was 123.5 MB in the beginning and 140.9 MB in the end (delta: -17.3 MB). Peak memory consumption was 17.1 MB. Max. memory is 8.0 GB. [2020-12-23 06:06:36,657 INFO L168 Benchmark]: TraceAbstraction took 702.79 ms. Allocated memory is still 163.6 MB. Free memory was 140.3 MB in the beginning and 109.9 MB in the end (delta: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 8.0 GB. [2020-12-23 06:06:36,658 INFO L168 Benchmark]: Witness Printer took 5.26 ms. Allocated memory is still 163.6 MB. Free memory was 109.9 MB in the beginning and 109.4 MB in the end (delta: 522.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 06:06:36,663 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 163.6 MB. Free memory is still 136.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 322.79 ms. Allocated memory is still 163.6 MB. Free memory was 137.7 MB in the beginning and 126.4 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 59.64 ms. Allocated memory is still 163.6 MB. Free memory was 126.4 MB in the beginning and 124.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 27.90 ms. Allocated memory is still 163.6 MB. Free memory was 124.7 MB in the beginning and 123.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 607.00 ms. Allocated memory is still 163.6 MB. Free memory was 123.5 MB in the beginning and 140.9 MB in the end (delta: -17.3 MB). Peak memory consumption was 17.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 702.79 ms. Allocated memory is still 163.6 MB. Free memory was 140.3 MB in the beginning and 109.9 MB in the end (delta: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 8.0 GB. * Witness Printer took 5.26 ms. Allocated memory is still 163.6 MB. Free memory was 109.9 MB in the beginning and 109.4 MB in the end (delta: 522.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 46, overapproximation of to_real at line 42. Possible FailurePath: [L1] int __return_main; [L13] int __tmp_129_0; [L14] int __tmp_129_1; [L15] int __tmp_129_2; [L16] int __tmp_112_0; [L17] int __return_134; VAL [__return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0] [L20] double main__E0; [L21] double main__E1; [L22] double main__S; [L23] int main__i; [L24] main__E1 = 0 [L25] main__S = 0 [L26] main__i = 0 VAL [__return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0] [L27] COND TRUE main__i <= 1000000 [L29] main__E0 = __VERIFIER_nondet_double() [L30] int main____CPAchecker_TMP_0; VAL [__return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0] [L31] COND TRUE main__E0 >= -1.0 VAL [__return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0] [L33] COND TRUE main__E0 <= 1.0 [L35] main____CPAchecker_TMP_0 = 1 VAL [__return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0] [L36] COND TRUE main____CPAchecker_TMP_0 != 0 [L38] int main____CPAchecker_TMP_1; [L39] main____CPAchecker_TMP_1 = __VERIFIER_nondet_int() [L40] COND TRUE !(main____CPAchecker_TMP_1 == 0) [L42] main__S = 0 VAL [__return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0] [L44] main__E1 = main__E0 [L45] int main____CPAchecker_TMP_2; VAL [__return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0] [L46] COND FALSE !(main__S >= -10000.0) VAL [__return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0] [L166] main____CPAchecker_TMP_2 = 0 VAL [__return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0] [L53] int __tmp_1; [L54] __tmp_1 = main____CPAchecker_TMP_2 [L55] int __VERIFIER_assert__cond; [L56] __VERIFIER_assert__cond = __tmp_1 VAL [__return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0] [L57] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0] [L59] reach_error() VAL [__return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 34 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 45 SDtfs, 45 SDslu, 89 SDs, 0 SdLazy, 17 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 240 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...