/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/rlim_invariant.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 16:01:39,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 16:01:39,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 16:01:39,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 16:01:39,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 16:01:39,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 16:01:39,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 16:01:39,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 16:01:39,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 16:01:39,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 16:01:39,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 16:01:39,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 16:01:39,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 16:01:39,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 16:01:39,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 16:01:39,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 16:01:39,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 16:01:39,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 16:01:39,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 16:01:39,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 16:01:39,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 16:01:39,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 16:01:39,217 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 16:01:39,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 16:01:39,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 16:01:39,227 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 16:01:39,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 16:01:39,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 16:01:39,232 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 16:01:39,233 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 16:01:39,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 16:01:39,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 16:01:39,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 16:01:39,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 16:01:39,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 16:01:39,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 16:01:39,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 16:01:39,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 16:01:39,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 16:01:39,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 16:01:39,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 16:01:39,248 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 16:01:39,280 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 16:01:39,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 16:01:39,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 16:01:39,282 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 16:01:39,282 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 16:01:39,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 16:01:39,282 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 16:01:39,283 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 16:01:39,283 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 16:01:39,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 16:01:39,283 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 16:01:39,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 16:01:39,284 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 16:01:39,284 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 16:01:39,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 16:01:39,284 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 16:01:39,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 16:01:39,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 16:01:39,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 16:01:39,285 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 16:01:39,285 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 16:01:39,285 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 16:01:39,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 16:01:39,286 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 16:01:39,286 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 16:01:39,286 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 16:01:39,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 16:01:39,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 16:01:39,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 16:01:39,679 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 16:01:39,680 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 16:01:39,681 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/rlim_invariant.c.v+nlh-reducer.c [2021-01-06 16:01:39,769 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/3370a5f26/a864f16ded9747f8b6411b6ea5c7df4f/FLAGffa403666 [2021-01-06 16:01:40,441 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 16:01:40,441 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/float-benchs/rlim_invariant.c.v+nlh-reducer.c [2021-01-06 16:01:40,456 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/3370a5f26/a864f16ded9747f8b6411b6ea5c7df4f/FLAGffa403666 [2021-01-06 16:01:40,828 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/3370a5f26/a864f16ded9747f8b6411b6ea5c7df4f [2021-01-06 16:01:40,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 16:01:40,833 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 16:01:40,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 16:01:40,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 16:01:40,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 16:01:40,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 04:01:40" (1/1) ... [2021-01-06 16:01:40,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f24e3e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:01:40, skipping insertion in model container [2021-01-06 16:01:40,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 04:01:40" (1/1) ... [2021-01-06 16:01:40,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 16:01:40,877 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~main__Y~0,] left hand side expression in assignment: lhs: VariableLHS[~main__i~0,] left hand side expression in assignment: lhs: VariableLHS[~main__X~0,] left hand side expression in assignment: lhs: VariableLHS[~main__D~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__Y~0,] left hand side expression in assignment: lhs: VariableLHS[~main__R~0,] left hand side expression in assignment: lhs: VariableLHS[~main__Y~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,] [2021-01-06 16:01:41,080 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/rlim_invariant.c.v+nlh-reducer.c[1545,1558] left hand side expression in assignment: lhs: VariableLHS[~__tmp_160_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_160_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_160_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__X~0,] left hand side expression in assignment: lhs: VariableLHS[~main__D~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__Y~0,] left hand side expression in assignment: lhs: VariableLHS[~main__R~0,] left hand side expression in assignment: lhs: VariableLHS[~main__Y~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,] [2021-01-06 16:01:41,094 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/rlim_invariant.c.v+nlh-reducer.c[2749,2762] left hand side expression in assignment: lhs: VariableLHS[~__tmp_160_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_160_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_160_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__Y~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_142_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_142_1~0,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_1~1,] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_136_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_165~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~main__Y~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_142_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_142_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_136_0~0,GLOBAL] [2021-01-06 16:01:41,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 16:01:41,119 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~main__Y~0,] left hand side expression in assignment: lhs: VariableLHS[~main__i~0,] left hand side expression in assignment: lhs: VariableLHS[~main__X~0,] left hand side expression in assignment: lhs: VariableLHS[~main__D~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__Y~0,] left hand side expression in assignment: lhs: VariableLHS[~main__R~0,] left hand side expression in assignment: lhs: VariableLHS[~main__Y~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,] [2021-01-06 16:01:41,140 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/rlim_invariant.c.v+nlh-reducer.c[1545,1558] left hand side expression in assignment: lhs: VariableLHS[~__tmp_160_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_160_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_160_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__X~0,] left hand side expression in assignment: lhs: VariableLHS[~main__D~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__Y~0,] left hand side expression in assignment: lhs: VariableLHS[~main__R~0,] left hand side expression in assignment: lhs: VariableLHS[~main__Y~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,] [2021-01-06 16:01:41,151 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/rlim_invariant.c.v+nlh-reducer.c[2749,2762] left hand side expression in assignment: lhs: VariableLHS[~__tmp_160_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_160_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_160_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__Y~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_142_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_142_1~0,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_1~1,] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_136_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_165~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~main__Y~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_142_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_142_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_136_0~0,GLOBAL] [2021-01-06 16:01:41,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 16:01:41,188 INFO L208 MainTranslator]: Completed translation [2021-01-06 16:01:41,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:01:41 WrapperNode [2021-01-06 16:01:41,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 16:01:41,191 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 16:01:41,191 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 16:01:41,191 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 16:01:41,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:01:41" (1/1) ... [2021-01-06 16:01:41,213 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:01:41" (1/1) ... [2021-01-06 16:01:41,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 16:01:41,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 16:01:41,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 16:01:41,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 16:01:41,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:01:41" (1/1) ... [2021-01-06 16:01:41,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:01:41" (1/1) ... [2021-01-06 16:01:41,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:01:41" (1/1) ... [2021-01-06 16:01:41,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:01:41" (1/1) ... [2021-01-06 16:01:41,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:01:41" (1/1) ... [2021-01-06 16:01:41,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:01:41" (1/1) ... [2021-01-06 16:01:41,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:01:41" (1/1) ... [2021-01-06 16:01:41,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 16:01:41,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 16:01:41,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 16:01:41,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 16:01:41,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:01:41" (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 [2021-01-06 16:01:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 16:01:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 16:01:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 16:01:41,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 16:01:41,929 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 16:01:41,930 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-01-06 16:01:41,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 04:01:41 BoogieIcfgContainer [2021-01-06 16:01:41,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 16:01:41,939 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 16:01:41,941 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 16:01:41,945 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 16:01:41,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 04:01:40" (1/3) ... [2021-01-06 16:01:41,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b2530c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 04:01:41, skipping insertion in model container [2021-01-06 16:01:41,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:01:41" (2/3) ... [2021-01-06 16:01:41,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b2530c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 04:01:41, skipping insertion in model container [2021-01-06 16:01:41,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 04:01:41" (3/3) ... [2021-01-06 16:01:41,954 INFO L111 eAbstractionObserver]: Analyzing ICFG rlim_invariant.c.v+nlh-reducer.c [2021-01-06 16:01:41,961 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 16:01:41,968 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-01-06 16:01:41,986 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-06 16:01:42,011 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 16:01:42,011 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 16:01:42,011 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 16:01:42,011 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 16:01:42,011 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 16:01:42,012 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 16:01:42,012 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 16:01:42,012 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 16:01:42,027 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2021-01-06 16:01:42,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-01-06 16:01:42,032 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 16:01:42,033 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 16:01:42,033 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 16:01:42,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 16:01:42,039 INFO L82 PathProgramCache]: Analyzing trace with hash 350471322, now seen corresponding path program 1 times [2021-01-06 16:01:42,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 16:01:42,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142635801] [2021-01-06 16:01:42,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 16:01:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 16:01:42,176 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 16:01:42,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 16:01:42,226 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 16:01:42,270 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-06 16:01:42,271 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-01-06 16:01:42,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 16:01:42,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 04:01:42 BoogieIcfgContainer [2021-01-06 16:01:42,316 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 16:01:42,317 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 16:01:42,317 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 16:01:42,317 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 16:01:42,318 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 04:01:41" (3/4) ... [2021-01-06 16:01:42,321 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-01-06 16:01:42,321 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 16:01:42,324 INFO L168 Benchmark]: Toolchain (without parser) took 1490.31 ms. Allocated memory is still 167.8 MB. Free memory was 142.5 MB in the beginning and 124.6 MB in the end (delta: 17.9 MB). Peak memory consumption was 18.1 MB. Max. memory is 8.0 GB. [2021-01-06 16:01:42,325 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 167.8 MB. Free memory is still 140.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 16:01:42,326 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.31 ms. Allocated memory is still 167.8 MB. Free memory was 142.4 MB in the beginning and 130.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-01-06 16:01:42,327 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.53 ms. Allocated memory is still 167.8 MB. Free memory was 130.3 MB in the beginning and 128.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-01-06 16:01:42,328 INFO L168 Benchmark]: Boogie Preprocessor took 54.90 ms. Allocated memory is still 167.8 MB. Free memory was 128.7 MB in the beginning and 127.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-06 16:01:42,329 INFO L168 Benchmark]: RCFGBuilder took 622.40 ms. Allocated memory is still 167.8 MB. Free memory was 127.4 MB in the beginning and 139.3 MB in the end (delta: -11.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 8.0 GB. [2021-01-06 16:01:42,330 INFO L168 Benchmark]: TraceAbstraction took 377.08 ms. Allocated memory is still 167.8 MB. Free memory was 138.8 MB in the beginning and 125.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-01-06 16:01:42,330 INFO L168 Benchmark]: Witness Printer took 4.85 ms. Allocated memory is still 167.8 MB. Free memory was 125.1 MB in the beginning and 124.6 MB in the end (delta: 526.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-01-06 16:01:42,335 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 167.8 MB. Free memory is still 140.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 355.31 ms. Allocated memory is still 167.8 MB. Free memory was 142.4 MB in the beginning and 130.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 62.53 ms. Allocated memory is still 167.8 MB. Free memory was 130.3 MB in the beginning and 128.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 54.90 ms. Allocated memory is still 167.8 MB. Free memory was 128.7 MB in the beginning and 127.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 622.40 ms. Allocated memory is still 167.8 MB. Free memory was 127.4 MB in the beginning and 139.3 MB in the end (delta: -11.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 377.08 ms. Allocated memory is still 167.8 MB. Free memory was 138.8 MB in the beginning and 125.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Witness Printer took 4.85 ms. Allocated memory is still 167.8 MB. Free memory was 125.1 MB in the beginning and 124.6 MB in the end (delta: 526.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 70]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 52, overapproximation of someBinaryDOUBLEComparisonOperation at line 57, overapproximation of to_real at line 27, overapproximation of someBinaryArithmeticFLOAToperation at line 54. Possible FailurePath: [L1] int __return_main; [L12] int __tmp_160_0; [L13] int __tmp_160_1; [L14] int __tmp_160_2; [L15] int __tmp_142_0; [L16] int __tmp_142_1; [L17] int __tmp_136_0; [L18] int __return_165; VAL [__return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0] [L21] float main__X; [L22] float main__Y; [L23] float main__S; [L24] float main__R; [L25] float main__D; [L26] int main__i; [L27] main__Y = 0 [L28] main__i = 0 VAL [__return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0] [L29] COND TRUE main__i < 100000 [L31] main__X = __VERIFIER_nondet_float() [L32] main__D = __VERIFIER_nondet_float() [L33] int main____CPAchecker_TMP_0; VAL [__return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0] [L34] COND TRUE main__X >= -128.0 VAL [__return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0] [L36] COND TRUE main__X <= 128.0 [L38] main____CPAchecker_TMP_0 = 1 VAL [__return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0] [L39] COND TRUE main____CPAchecker_TMP_0 != 0 [L41] int main____CPAchecker_TMP_1; VAL [__return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0] [L42] COND TRUE main__D >= 0.0 VAL [__return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0] [L44] COND TRUE main__D <= 16.0 [L46] main____CPAchecker_TMP_1 = 1 VAL [__return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0] [L47] COND TRUE main____CPAchecker_TMP_1 != 0 [L49] main__S = main__Y [L50] main__Y = main__X [L51] main__R = main__X - main__S VAL [__return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0] [L52] COND TRUE main__R <= (-main__D) [L54] main__Y = main__S - main__D VAL [__return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0] [L56] int main____CPAchecker_TMP_2; VAL [__return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0] [L57] COND FALSE !(main__Y >= -129.0) VAL [__return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0] [L216] main____CPAchecker_TMP_2 = 0 VAL [__return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0] [L64] int __tmp_1; [L65] __tmp_1 = main____CPAchecker_TMP_2 [L66] int __VERIFIER_assert__cond; [L67] __VERIFIER_assert__cond = __tmp_1 VAL [__return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0] [L68] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0] [L70] reach_error() VAL [__return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 44 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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...