./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/floats-cbmc-regression/float6.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54a68f41 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float6.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9ec220fd0064d8652998013027d97b204a648814 ....................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float6.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9ec220fd0064d8652998013027d97b204a648814 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-54a68f4 [2020-12-03 17:54:38,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 17:54:38,197 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 17:54:38,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 17:54:38,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 17:54:38,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 17:54:38,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 17:54:38,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 17:54:38,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 17:54:38,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 17:54:38,287 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 17:54:38,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 17:54:38,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 17:54:38,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 17:54:38,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 17:54:38,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 17:54:38,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 17:54:38,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 17:54:38,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 17:54:38,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 17:54:38,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 17:54:38,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 17:54:38,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 17:54:38,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 17:54:38,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 17:54:38,317 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 17:54:38,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 17:54:38,319 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 17:54:38,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 17:54:38,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 17:54:38,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 17:54:38,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 17:54:38,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 17:54:38,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 17:54:38,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 17:54:38,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 17:54:38,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 17:54:38,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 17:54:38,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 17:54:38,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 17:54:38,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 17:54:38,331 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-03 17:54:38,387 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 17:54:38,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 17:54:38,391 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 17:54:38,392 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 17:54:38,392 INFO L138 SettingsManager]: * Use SBE=true [2020-12-03 17:54:38,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 17:54:38,392 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-03 17:54:38,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 17:54:38,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-03 17:54:38,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 17:54:38,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 17:54:38,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 17:54:38,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 17:54:38,396 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-03 17:54:38,396 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 17:54:38,396 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 17:54:38,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 17:54:38,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 17:54:38,397 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-03 17:54:38,397 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 17:54:38,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 17:54:38,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 17:54:38,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 17:54:38,399 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 17:54:38,399 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-03 17:54:38,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-03 17:54:38,399 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 17:54:38,400 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 17:54:38,400 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ec220fd0064d8652998013027d97b204a648814 [2020-12-03 17:54:38,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 17:54:38,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 17:54:38,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 17:54:38,865 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 17:54:38,866 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 17:54:38,868 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float6.c [2020-12-03 17:54:38,952 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f8a11bc1/9d2ff096679c4c338f1dc36a94dc3254/FLAGd82eaa0a2 [2020-12-03 17:54:39,633 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 17:54:39,634 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c [2020-12-03 17:54:39,642 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f8a11bc1/9d2ff096679c4c338f1dc36a94dc3254/FLAGd82eaa0a2 [2020-12-03 17:54:39,998 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f8a11bc1/9d2ff096679c4c338f1dc36a94dc3254 [2020-12-03 17:54:40,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 17:54:40,004 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 17:54:40,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 17:54:40,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 17:54:40,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 17:54:40,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:54:39" (1/1) ... [2020-12-03 17:54:40,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fd664d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:54:40, skipping insertion in model container [2020-12-03 17:54:40,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:54:39" (1/1) ... [2020-12-03 17:54:40,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 17:54:40,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 17:54:40,258 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[369,382] [2020-12-03 17:54:40,263 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[412,425] [2020-12-03 17:54:40,264 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[454,467] [2020-12-03 17:54:40,265 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[501,514] [2020-12-03 17:54:40,266 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[543,556] [2020-12-03 17:54:40,267 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[590,603] [2020-12-03 17:54:40,268 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[635,648] [2020-12-03 17:54:40,268 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[682,695] [2020-12-03 17:54:40,269 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[727,740] [2020-12-03 17:54:40,270 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[774,787] [2020-12-03 17:54:40,271 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[817,830] [2020-12-03 17:54:40,272 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[862,875] [2020-12-03 17:54:40,273 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[905,918] [2020-12-03 17:54:40,274 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[950,963] [2020-12-03 17:54:40,274 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[993,1006] [2020-12-03 17:54:40,275 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1041,1054] [2020-12-03 17:54:40,276 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1084,1097] [2020-12-03 17:54:40,277 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1132,1145] [2020-12-03 17:54:40,282 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1291,1304] [2020-12-03 17:54:40,283 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1330,1343] [2020-12-03 17:54:40,284 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1368,1381] [2020-12-03 17:54:40,285 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1411,1424] [2020-12-03 17:54:40,286 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1449,1462] [2020-12-03 17:54:40,287 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1492,1505] [2020-12-03 17:54:40,287 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1533,1546] [2020-12-03 17:54:40,288 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1576,1589] [2020-12-03 17:54:40,289 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1617,1630] [2020-12-03 17:54:40,290 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1660,1673] [2020-12-03 17:54:40,291 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1699,1712] [2020-12-03 17:54:40,292 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1740,1753] [2020-12-03 17:54:40,293 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1779,1792] [2020-12-03 17:54:40,294 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1820,1833] [2020-12-03 17:54:40,295 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1859,1872] [2020-12-03 17:54:40,296 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1903,1916] [2020-12-03 17:54:40,297 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1942,1955] [2020-12-03 17:54:40,298 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1986,1999] [2020-12-03 17:54:40,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 17:54:40,311 INFO L203 MainTranslator]: Completed pre-run [2020-12-03 17:54:40,326 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[369,382] [2020-12-03 17:54:40,327 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[412,425] [2020-12-03 17:54:40,328 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[454,467] [2020-12-03 17:54:40,329 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[501,514] [2020-12-03 17:54:40,329 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[543,556] [2020-12-03 17:54:40,330 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[590,603] [2020-12-03 17:54:40,331 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[635,648] [2020-12-03 17:54:40,332 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[682,695] [2020-12-03 17:54:40,333 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[727,740] [2020-12-03 17:54:40,333 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[774,787] [2020-12-03 17:54:40,334 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[817,830] [2020-12-03 17:54:40,335 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[862,875] [2020-12-03 17:54:40,336 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[905,918] [2020-12-03 17:54:40,336 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[950,963] [2020-12-03 17:54:40,337 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[993,1006] [2020-12-03 17:54:40,338 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1041,1054] [2020-12-03 17:54:40,338 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1084,1097] [2020-12-03 17:54:40,339 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1132,1145] [2020-12-03 17:54:40,341 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1291,1304] [2020-12-03 17:54:40,342 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1330,1343] [2020-12-03 17:54:40,342 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1368,1381] [2020-12-03 17:54:40,343 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1411,1424] [2020-12-03 17:54:40,344 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1449,1462] [2020-12-03 17:54:40,345 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1492,1505] [2020-12-03 17:54:40,345 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1533,1546] [2020-12-03 17:54:40,346 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1576,1589] [2020-12-03 17:54:40,347 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1617,1630] [2020-12-03 17:54:40,348 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1660,1673] [2020-12-03 17:54:40,349 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1699,1712] [2020-12-03 17:54:40,350 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1740,1753] [2020-12-03 17:54:40,350 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1779,1792] [2020-12-03 17:54:40,351 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1820,1833] [2020-12-03 17:54:40,352 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1859,1872] [2020-12-03 17:54:40,352 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1903,1916] [2020-12-03 17:54:40,354 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1942,1955] [2020-12-03 17:54:40,355 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1986,1999] [2020-12-03 17:54:40,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 17:54:40,372 INFO L208 MainTranslator]: Completed translation [2020-12-03 17:54:40,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:54:40 WrapperNode [2020-12-03 17:54:40,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 17:54:40,375 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-03 17:54:40,375 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-03 17:54:40,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-03 17:54:40,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:54:40" (1/1) ... [2020-12-03 17:54:40,394 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:54:40" (1/1) ... [2020-12-03 17:54:40,419 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-03 17:54:40,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-03 17:54:40,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-03 17:54:40,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-03 17:54:40,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:54:40" (1/1) ... [2020-12-03 17:54:40,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:54:40" (1/1) ... [2020-12-03 17:54:40,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:54:40" (1/1) ... [2020-12-03 17:54:40,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:54:40" (1/1) ... [2020-12-03 17:54:40,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:54:40" (1/1) ... [2020-12-03 17:54:40,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:54:40" (1/1) ... [2020-12-03 17:54:40,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:54:40" (1/1) ... [2020-12-03 17:54:40,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-03 17:54:40,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-03 17:54:40,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-03 17:54:40,461 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-03 17:54:40,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:54:40" (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 [2020-12-03 17:54:40,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-03 17:54:40,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-03 17:54:40,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-03 17:54:40,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-03 17:54:40,984 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-03 17:54:40,984 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-03 17:54:40,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:54:40 BoogieIcfgContainer [2020-12-03 17:54:40,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-03 17:54:41,006 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-03 17:54:41,006 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-03 17:54:41,015 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-03 17:54:41,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 05:54:39" (1/3) ... [2020-12-03 17:54:41,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1677b2ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 05:54:41, skipping insertion in model container [2020-12-03 17:54:41,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:54:40" (2/3) ... [2020-12-03 17:54:41,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1677b2ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 05:54:41, skipping insertion in model container [2020-12-03 17:54:41,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:54:40" (3/3) ... [2020-12-03 17:54:41,024 INFO L111 eAbstractionObserver]: Analyzing ICFG float6.c [2020-12-03 17:54:41,058 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-03 17:54:41,064 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2020-12-03 17:54:41,078 INFO L253 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2020-12-03 17:54:41,126 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-03 17:54:41,126 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-03 17:54:41,127 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-03 17:54:41,127 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-03 17:54:41,127 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-03 17:54:41,128 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-03 17:54:41,128 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-03 17:54:41,128 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-03 17:54:41,178 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2020-12-03 17:54:41,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-03 17:54:41,187 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 17:54:41,188 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-03 17:54:41,190 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 17:54:41,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 17:54:41,198 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2020-12-03 17:54:41,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-03 17:54:41,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273882868] [2020-12-03 17:54:41,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-03 17:54:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 17:54:41,322 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 17:54:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 17:54:41,354 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 17:54:41,396 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-03 17:54:41,397 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-03 17:54:41,399 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-03 17:54:41,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 05:54:41 BoogieIcfgContainer [2020-12-03 17:54:41,434 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-03 17:54:41,437 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-03 17:54:41,437 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-03 17:54:41,438 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-03 17:54:41,439 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:54:40" (3/4) ... [2020-12-03 17:54:41,443 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-03 17:54:41,444 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-03 17:54:41,451 INFO L168 Benchmark]: Toolchain (without parser) took 1442.86 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 27.4 MB in the beginning and 27.1 MB in the end (delta: 303.5 kB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. [2020-12-03 17:54:41,456 INFO L168 Benchmark]: CDTParser took 0.71 ms. Allocated memory is still 50.3 MB. Free memory was 32.0 MB in the beginning and 32.0 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 17:54:41,459 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.01 ms. Allocated memory is still 50.3 MB. Free memory was 27.2 MB in the beginning and 23.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2020-12-03 17:54:41,466 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.72 ms. Allocated memory is still 50.3 MB. Free memory was 23.6 MB in the beginning and 22.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 17:54:41,468 INFO L168 Benchmark]: Boogie Preprocessor took 39.12 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 22.0 MB in the beginning and 48.8 MB in the end (delta: -26.8 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. [2020-12-03 17:54:41,469 INFO L168 Benchmark]: RCFGBuilder took 534.64 ms. Allocated memory is still 65.0 MB. Free memory was 48.6 MB in the beginning and 39.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-03 17:54:41,471 INFO L168 Benchmark]: TraceAbstraction took 428.26 ms. Allocated memory is still 65.0 MB. Free memory was 39.2 MB in the beginning and 27.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-03 17:54:41,471 INFO L168 Benchmark]: Witness Printer took 8.06 ms. Allocated memory is still 65.0 MB. Free memory is still 27.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 17:54:41,479 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71 ms. Allocated memory is still 50.3 MB. Free memory was 32.0 MB in the beginning and 32.0 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 368.01 ms. Allocated memory is still 50.3 MB. Free memory was 27.2 MB in the beginning and 23.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.72 ms. Allocated memory is still 50.3 MB. Free memory was 23.6 MB in the beginning and 22.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.12 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 22.0 MB in the beginning and 48.8 MB in the end (delta: -26.8 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 534.64 ms. Allocated memory is still 65.0 MB. Free memory was 48.6 MB in the beginning and 39.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 428.26 ms. Allocated memory is still 65.0 MB. Free memory was 39.2 MB in the beginning and 27.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 8.06 ms. Allocated memory is still 65.0 MB. Free memory is still 27.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 9]: 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 9. Possible FailurePath: [L9] COND TRUE !(1.0!=2.0) [L9] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 36 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=115occurred 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, 4 NumberOfCodeBlocks, 4 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... ### Bit-precise run ### This is Ultimate 0.2.1-54a68f4 [2020-12-03 17:54:44,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 17:54:44,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 17:54:44,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 17:54:44,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 17:54:44,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 17:54:44,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 17:54:44,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 17:54:44,322 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 17:54:44,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 17:54:44,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 17:54:44,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 17:54:44,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 17:54:44,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 17:54:44,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 17:54:44,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 17:54:44,332 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 17:54:44,333 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 17:54:44,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 17:54:44,338 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 17:54:44,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 17:54:44,342 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 17:54:44,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 17:54:44,345 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 17:54:44,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 17:54:44,349 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 17:54:44,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 17:54:44,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 17:54:44,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 17:54:44,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 17:54:44,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 17:54:44,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 17:54:44,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 17:54:44,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 17:54:44,359 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 17:54:44,359 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 17:54:44,360 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 17:54:44,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 17:54:44,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 17:54:44,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 17:54:44,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 17:54:44,365 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-03 17:54:44,407 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 17:54:44,408 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 17:54:44,410 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 17:54:44,410 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 17:54:44,411 INFO L138 SettingsManager]: * Use SBE=true [2020-12-03 17:54:44,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 17:54:44,411 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-03 17:54:44,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-03 17:54:44,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 17:54:44,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 17:54:44,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 17:54:44,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 17:54:44,413 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-03 17:54:44,413 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-03 17:54:44,414 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-03 17:54:44,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 17:54:44,414 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 17:54:44,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 17:54:44,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 17:54:44,415 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-03 17:54:44,415 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 17:54:44,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 17:54:44,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 17:54:44,416 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 17:54:44,416 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 17:54:44,417 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-03 17:54:44,417 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-03 17:54:44,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 17:54:44,417 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 17:54:44,418 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-03 17:54:44,418 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ec220fd0064d8652998013027d97b204a648814 [2020-12-03 17:54:44,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 17:54:44,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 17:54:44,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 17:54:44,889 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 17:54:44,891 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 17:54:44,893 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float6.c [2020-12-03 17:54:44,965 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba2f9d7be/253670a8a81a4ace9435a702250a2757/FLAG7ab203977 [2020-12-03 17:54:45,621 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 17:54:45,622 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c [2020-12-03 17:54:45,634 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba2f9d7be/253670a8a81a4ace9435a702250a2757/FLAG7ab203977 [2020-12-03 17:54:45,942 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba2f9d7be/253670a8a81a4ace9435a702250a2757 [2020-12-03 17:54:45,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 17:54:45,950 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 17:54:45,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 17:54:45,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 17:54:45,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 17:54:45,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:54:45" (1/1) ... [2020-12-03 17:54:45,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b622be5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:54:45, skipping insertion in model container [2020-12-03 17:54:45,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:54:45" (1/1) ... [2020-12-03 17:54:45,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 17:54:46,025 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 17:54:46,187 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[369,382] [2020-12-03 17:54:46,192 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[412,425] [2020-12-03 17:54:46,193 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[454,467] [2020-12-03 17:54:46,195 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[501,514] [2020-12-03 17:54:46,196 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[543,556] [2020-12-03 17:54:46,197 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[590,603] [2020-12-03 17:54:46,198 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[635,648] [2020-12-03 17:54:46,199 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[682,695] [2020-12-03 17:54:46,200 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[727,740] [2020-12-03 17:54:46,201 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[774,787] [2020-12-03 17:54:46,202 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[817,830] [2020-12-03 17:54:46,204 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[862,875] [2020-12-03 17:54:46,205 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[905,918] [2020-12-03 17:54:46,206 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[950,963] [2020-12-03 17:54:46,207 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[993,1006] [2020-12-03 17:54:46,208 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1041,1054] [2020-12-03 17:54:46,209 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1084,1097] [2020-12-03 17:54:46,210 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1132,1145] [2020-12-03 17:54:46,216 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1291,1304] [2020-12-03 17:54:46,218 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1330,1343] [2020-12-03 17:54:46,219 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1368,1381] [2020-12-03 17:54:46,220 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1411,1424] [2020-12-03 17:54:46,221 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1449,1462] [2020-12-03 17:54:46,222 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1492,1505] [2020-12-03 17:54:46,223 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1533,1546] [2020-12-03 17:54:46,224 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1576,1589] [2020-12-03 17:54:46,225 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1617,1630] [2020-12-03 17:54:46,226 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1660,1673] [2020-12-03 17:54:46,227 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1699,1712] [2020-12-03 17:54:46,228 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1740,1753] [2020-12-03 17:54:46,229 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1779,1792] [2020-12-03 17:54:46,230 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1820,1833] [2020-12-03 17:54:46,231 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1859,1872] [2020-12-03 17:54:46,232 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1903,1916] [2020-12-03 17:54:46,233 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1942,1955] [2020-12-03 17:54:46,235 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1986,1999] [2020-12-03 17:54:46,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 17:54:46,254 INFO L203 MainTranslator]: Completed pre-run [2020-12-03 17:54:46,266 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[369,382] [2020-12-03 17:54:46,267 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[412,425] [2020-12-03 17:54:46,268 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[454,467] [2020-12-03 17:54:46,269 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[501,514] [2020-12-03 17:54:46,270 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[543,556] [2020-12-03 17:54:46,271 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[590,603] [2020-12-03 17:54:46,271 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[635,648] [2020-12-03 17:54:46,272 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[682,695] [2020-12-03 17:54:46,273 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[727,740] [2020-12-03 17:54:46,274 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[774,787] [2020-12-03 17:54:46,275 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[817,830] [2020-12-03 17:54:46,276 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[862,875] [2020-12-03 17:54:46,277 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[905,918] [2020-12-03 17:54:46,278 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[950,963] [2020-12-03 17:54:46,278 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[993,1006] [2020-12-03 17:54:46,279 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1041,1054] [2020-12-03 17:54:46,280 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1084,1097] [2020-12-03 17:54:46,283 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1132,1145] [2020-12-03 17:54:46,287 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1291,1304] [2020-12-03 17:54:46,290 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1330,1343] [2020-12-03 17:54:46,291 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1368,1381] [2020-12-03 17:54:46,293 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1411,1424] [2020-12-03 17:54:46,295 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1449,1462] [2020-12-03 17:54:46,297 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1492,1505] [2020-12-03 17:54:46,298 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1533,1546] [2020-12-03 17:54:46,304 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1576,1589] [2020-12-03 17:54:46,305 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1617,1630] [2020-12-03 17:54:46,306 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1660,1673] [2020-12-03 17:54:46,306 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1699,1712] [2020-12-03 17:54:46,307 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1740,1753] [2020-12-03 17:54:46,308 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1779,1792] [2020-12-03 17:54:46,308 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1820,1833] [2020-12-03 17:54:46,309 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1859,1872] [2020-12-03 17:54:46,309 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1903,1916] [2020-12-03 17:54:46,314 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1942,1955] [2020-12-03 17:54:46,315 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c[1986,1999] [2020-12-03 17:54:46,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 17:54:46,352 INFO L208 MainTranslator]: Completed translation [2020-12-03 17:54:46,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:54:46 WrapperNode [2020-12-03 17:54:46,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 17:54:46,356 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-03 17:54:46,356 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-03 17:54:46,356 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-03 17:54:46,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:54:46" (1/1) ... [2020-12-03 17:54:46,395 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:54:46" (1/1) ... [2020-12-03 17:54:46,421 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-03 17:54:46,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-03 17:54:46,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-03 17:54:46,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-03 17:54:46,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:54:46" (1/1) ... [2020-12-03 17:54:46,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:54:46" (1/1) ... [2020-12-03 17:54:46,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:54:46" (1/1) ... [2020-12-03 17:54:46,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:54:46" (1/1) ... [2020-12-03 17:54:46,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:54:46" (1/1) ... [2020-12-03 17:54:46,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:54:46" (1/1) ... [2020-12-03 17:54:46,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:54:46" (1/1) ... [2020-12-03 17:54:46,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-03 17:54:46,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-03 17:54:46,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-03 17:54:46,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-03 17:54:46,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:54:46" (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 [2020-12-03 17:54:46,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-03 17:54:46,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-03 17:54:46,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-03 17:54:46,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-03 17:54:47,173 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-03 17:54:47,175 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-03 17:54:47,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:54:47 BoogieIcfgContainer [2020-12-03 17:54:47,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-03 17:54:47,182 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-03 17:54:47,183 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-03 17:54:47,187 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-03 17:54:47,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 05:54:45" (1/3) ... [2020-12-03 17:54:47,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68dbb90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 05:54:47, skipping insertion in model container [2020-12-03 17:54:47,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:54:46" (2/3) ... [2020-12-03 17:54:47,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68dbb90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 05:54:47, skipping insertion in model container [2020-12-03 17:54:47,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:54:47" (3/3) ... [2020-12-03 17:54:47,194 INFO L111 eAbstractionObserver]: Analyzing ICFG float6.c [2020-12-03 17:54:47,217 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-03 17:54:47,221 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2020-12-03 17:54:47,237 INFO L253 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2020-12-03 17:54:47,300 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-03 17:54:47,301 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-03 17:54:47,301 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-03 17:54:47,301 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-03 17:54:47,302 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-03 17:54:47,302 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-03 17:54:47,303 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-03 17:54:47,303 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-03 17:54:47,339 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2020-12-03 17:54:47,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-03 17:54:47,347 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 17:54:47,348 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-03 17:54:47,352 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 17:54:47,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 17:54:47,361 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2020-12-03 17:54:47,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-03 17:54:47,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [819378282] [2020-12-03 17:54:47,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-03 17:54:47,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 17:54:47,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-03 17:54:47,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 17:54:47,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 17:54:47,535 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 17:54:47,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [819378282] [2020-12-03 17:54:47,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 17:54:47,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-03 17:54:47,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603268091] [2020-12-03 17:54:47,543 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-03 17:54:47,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-03 17:54:47,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-03 17:54:47,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-03 17:54:47,562 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2020-12-03 17:54:47,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 17:54:47,609 INFO L93 Difference]: Finished difference Result 183 states and 254 transitions. [2020-12-03 17:54:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-03 17:54:47,610 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 4 [2020-12-03 17:54:47,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 17:54:47,638 INFO L225 Difference]: With dead ends: 183 [2020-12-03 17:54:47,639 INFO L226 Difference]: Without dead ends: 68 [2020-12-03 17:54:47,645 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-03 17:54:47,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-12-03 17:54:47,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-12-03 17:54:47,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-12-03 17:54:47,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 67 transitions. [2020-12-03 17:54:47,704 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 67 transitions. Word has length 4 [2020-12-03 17:54:47,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 17:54:47,705 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 67 transitions. [2020-12-03 17:54:47,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-03 17:54:47,705 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 67 transitions. [2020-12-03 17:54:47,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-03 17:54:47,706 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 17:54:47,706 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 17:54:47,915 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-03 17:54:47,917 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 17:54:47,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 17:54:47,919 INFO L82 PathProgramCache]: Analyzing trace with hash 271685265, now seen corresponding path program 1 times [2020-12-03 17:54:47,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-03 17:54:47,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [858699839] [2020-12-03 17:54:47,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-03 17:54:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 17:54:47,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-03 17:54:47,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 17:54:48,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 17:54:48,076 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 17:54:48,077 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [858699839] [2020-12-03 17:54:48,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 17:54:48,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-03 17:54:48,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349453574] [2020-12-03 17:54:48,079 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-03 17:54:48,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-03 17:54:48,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-03 17:54:48,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 17:54:48,080 INFO L87 Difference]: Start difference. First operand 68 states and 67 transitions. Second operand 3 states. [2020-12-03 17:54:48,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 17:54:48,260 INFO L93 Difference]: Finished difference Result 68 states and 67 transitions. [2020-12-03 17:54:48,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-03 17:54:48,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-03 17:54:48,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 17:54:48,262 INFO L225 Difference]: With dead ends: 68 [2020-12-03 17:54:48,262 INFO L226 Difference]: Without dead ends: 0 [2020-12-03 17:54:48,263 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 17:54:48,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-03 17:54:48,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-03 17:54:48,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-03 17:54:48,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-03 17:54:48,264 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-12-03 17:54:48,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 17:54:48,264 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-03 17:54:48,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-03 17:54:48,265 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-03 17:54:48,265 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-03 17:54:48,472 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-03 17:54:48,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-03 17:54:48,479 INFO L262 CegarLoopResult]: For program point L35-2(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,480 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION(line 42) no Hoare annotation was computed. [2020-12-03 17:54:48,480 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2020-12-03 17:54:48,480 INFO L262 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed. [2020-12-03 17:54:48,480 INFO L262 CegarLoopResult]: For program point L19-2(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,480 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2020-12-03 17:54:48,480 INFO L262 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-12-03 17:54:48,480 INFO L262 CegarLoopResult]: For program point L36-2(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,481 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-03 17:54:48,481 INFO L262 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-12-03 17:54:48,481 INFO L262 CegarLoopResult]: For program point L20-2(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,481 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION(line 37) no Hoare annotation was computed. [2020-12-03 17:54:48,481 INFO L262 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-12-03 17:54:48,481 INFO L262 CegarLoopResult]: For program point L37-2(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,481 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2020-12-03 17:54:48,481 INFO L262 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed. [2020-12-03 17:54:48,481 INFO L262 CegarLoopResult]: For program point L21-2(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,482 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION(line 36) no Hoare annotation was computed. [2020-12-03 17:54:48,482 INFO L262 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-03 17:54:48,482 INFO L262 CegarLoopResult]: For program point L38-2(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,482 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2020-12-03 17:54:48,482 INFO L262 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-12-03 17:54:48,482 INFO L262 CegarLoopResult]: For program point L22-2(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,482 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION(line 26) no Hoare annotation was computed. [2020-12-03 17:54:48,482 INFO L262 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-12-03 17:54:48,483 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION(line 47) no Hoare annotation was computed. [2020-12-03 17:54:48,483 INFO L262 CegarLoopResult]: For program point L6(lines 6 50) no Hoare annotation was computed. [2020-12-03 17:54:48,483 INFO L262 CegarLoopResult]: For program point L39-2(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,483 INFO L262 CegarLoopResult]: For program point L23(line 23) no Hoare annotation was computed. [2020-12-03 17:54:48,483 INFO L262 CegarLoopResult]: For program point L23-2(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,483 INFO L262 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-12-03 17:54:48,483 INFO L262 CegarLoopResult]: For program point L40-2(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,483 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION(line 38) no Hoare annotation was computed. [2020-12-03 17:54:48,484 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2020-12-03 17:54:48,484 INFO L262 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-12-03 17:54:48,484 INFO L262 CegarLoopResult]: For program point L24-2(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,484 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION(line 33) no Hoare annotation was computed. [2020-12-03 17:54:48,484 INFO L262 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-03 17:54:48,484 INFO L262 CegarLoopResult]: For program point L41-2(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,485 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION(line 49) no Hoare annotation was computed. [2020-12-03 17:54:48,485 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-03 17:54:48,485 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2020-12-03 17:54:48,485 INFO L262 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-12-03 17:54:48,485 INFO L262 CegarLoopResult]: For program point L25-2(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,485 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION(line 32) no Hoare annotation was computed. [2020-12-03 17:54:48,485 INFO L262 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-12-03 17:54:48,485 INFO L262 CegarLoopResult]: For program point L9(line 9) no Hoare annotation was computed. [2020-12-03 17:54:48,486 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION(line 48) no Hoare annotation was computed. [2020-12-03 17:54:48,486 INFO L262 CegarLoopResult]: For program point L9-1(line 9) no Hoare annotation was computed. [2020-12-03 17:54:48,486 INFO L262 CegarLoopResult]: For program point L42-2(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,486 INFO L262 CegarLoopResult]: For program point L9-3(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,486 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION(line 43) no Hoare annotation was computed. [2020-12-03 17:54:48,486 INFO L262 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-12-03 17:54:48,486 INFO L262 CegarLoopResult]: For program point L26-2(line 26) no Hoare annotation was computed. [2020-12-03 17:54:48,487 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 11) no Hoare annotation was computed. [2020-12-03 17:54:48,487 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 22) no Hoare annotation was computed. [2020-12-03 17:54:48,487 INFO L262 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-12-03 17:54:48,487 INFO L262 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-12-03 17:54:48,487 INFO L262 CegarLoopResult]: For program point L43-2(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,487 INFO L262 CegarLoopResult]: For program point L10-2(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,487 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 18) no Hoare annotation was computed. [2020-12-03 17:54:48,488 INFO L262 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-03 17:54:48,488 INFO L262 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-12-03 17:54:48,488 INFO L262 CegarLoopResult]: For program point L44-2(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,488 INFO L262 CegarLoopResult]: For program point L11-2(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,488 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION(line 34) no Hoare annotation was computed. [2020-12-03 17:54:48,488 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-12-03 17:54:48,488 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-03 17:54:48,488 INFO L262 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-12-03 17:54:48,489 INFO L262 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-12-03 17:54:48,489 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 24) no Hoare annotation was computed. [2020-12-03 17:54:48,489 INFO L262 CegarLoopResult]: For program point L45-2(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,489 INFO L262 CegarLoopResult]: For program point L12-2(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,489 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION(line 45) no Hoare annotation was computed. [2020-12-03 17:54:48,489 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-12-03 17:54:48,489 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-12-03 17:54:48,490 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-12-03 17:54:48,490 INFO L262 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed. [2020-12-03 17:54:48,490 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 23) no Hoare annotation was computed. [2020-12-03 17:54:48,490 INFO L262 CegarLoopResult]: For program point L46-2(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,490 INFO L262 CegarLoopResult]: For program point L13-2(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,490 INFO L262 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-12-03 17:54:48,490 INFO L262 CegarLoopResult]: For program point L30-2(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,490 INFO L262 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-03 17:54:48,491 INFO L262 CegarLoopResult]: For program point L14(line 14) no Hoare annotation was computed. [2020-12-03 17:54:48,491 INFO L262 CegarLoopResult]: For program point L47-2(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,491 INFO L262 CegarLoopResult]: For program point L14-2(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,491 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION(line 39) no Hoare annotation was computed. [2020-12-03 17:54:48,491 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2020-12-03 17:54:48,491 INFO L262 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-12-03 17:54:48,491 INFO L262 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed. [2020-12-03 17:54:48,491 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION(line 25) no Hoare annotation was computed. [2020-12-03 17:54:48,491 INFO L262 CegarLoopResult]: For program point L48-2(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,492 INFO L262 CegarLoopResult]: For program point L15-2(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,492 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-03 17:54:48,492 INFO L262 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-12-03 17:54:48,492 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-03 17:54:48,492 INFO L262 CegarLoopResult]: For program point L32-2(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,492 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2020-12-03 17:54:48,492 INFO L262 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-12-03 17:54:48,492 INFO L262 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-12-03 17:54:48,493 INFO L262 CegarLoopResult]: For program point L16-2(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,493 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION(line 41) no Hoare annotation was computed. [2020-12-03 17:54:48,493 INFO L262 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-12-03 17:54:48,493 INFO L262 CegarLoopResult]: For program point L33-2(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,493 INFO L262 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2020-12-03 17:54:48,493 INFO L262 CegarLoopResult]: For program point L17-2(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,493 INFO L262 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-12-03 17:54:48,493 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION(line 40) no Hoare annotation was computed. [2020-12-03 17:54:48,494 INFO L262 CegarLoopResult]: For program point L34-2(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,494 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2020-12-03 17:54:48,494 INFO L262 CegarLoopResult]: For program point L18(line 18) no Hoare annotation was computed. [2020-12-03 17:54:48,494 INFO L262 CegarLoopResult]: For program point L18-2(lines 7 50) no Hoare annotation was computed. [2020-12-03 17:54:48,494 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION(line 35) no Hoare annotation was computed. [2020-12-03 17:54:48,494 INFO L262 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-03 17:54:48,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 05:54:48 BoogieIcfgContainer [2020-12-03 17:54:48,501 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-03 17:54:48,502 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-03 17:54:48,502 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-03 17:54:48,502 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-03 17:54:48,503 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:54:47" (3/4) ... [2020-12-03 17:54:48,506 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-03 17:54:48,521 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-03 17:54:48,522 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-03 17:54:48,522 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-03 17:54:48,523 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-03 17:54:48,597 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-03 17:54:48,597 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-03 17:54:48,600 INFO L168 Benchmark]: Toolchain (without parser) took 2649.58 ms. Allocated memory was 46.1 MB in the beginning and 69.2 MB in the end (delta: 23.1 MB). Free memory was 22.4 MB in the beginning and 38.8 MB in the end (delta: -16.4 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. [2020-12-03 17:54:48,602 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 46.1 MB. Free memory was 31.1 MB in the beginning and 31.1 MB in the end (delta: 26.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 17:54:48,603 INFO L168 Benchmark]: CACSL2BoogieTranslator took 400.49 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 22.1 MB in the beginning and 39.9 MB in the end (delta: -17.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. [2020-12-03 17:54:48,603 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.41 ms. Allocated memory is still 56.6 MB. Free memory was 39.9 MB in the beginning and 38.1 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 17:54:48,604 INFO L168 Benchmark]: Boogie Preprocessor took 34.48 ms. Allocated memory is still 56.6 MB. Free memory was 38.0 MB in the beginning and 36.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 17:54:48,604 INFO L168 Benchmark]: RCFGBuilder took 723.10 ms. Allocated memory is still 56.6 MB. Free memory was 36.4 MB in the beginning and 25.2 MB in the end (delta: 11.2 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2020-12-03 17:54:48,605 INFO L168 Benchmark]: TraceAbstraction took 1319.39 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 24.7 MB in the beginning and 43.5 MB in the end (delta: -18.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 17:54:48,608 INFO L168 Benchmark]: Witness Printer took 95.34 ms. Allocated memory is still 69.2 MB. Free memory was 43.5 MB in the beginning and 38.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-03 17:54:48,615 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 46.1 MB. Free memory was 31.1 MB in the beginning and 31.1 MB in the end (delta: 26.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 400.49 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 22.1 MB in the beginning and 39.9 MB in the end (delta: -17.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.41 ms. Allocated memory is still 56.6 MB. Free memory was 39.9 MB in the beginning and 38.1 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.48 ms. Allocated memory is still 56.6 MB. Free memory was 38.0 MB in the beginning and 36.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 723.10 ms. Allocated memory is still 56.6 MB. Free memory was 36.4 MB in the beginning and 25.2 MB in the end (delta: 11.2 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1319.39 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 24.7 MB in the beginning and 43.5 MB in the end (delta: -18.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 95.34 ms. Allocated memory is still 69.2 MB. Free memory was 43.5 MB in the beginning and 38.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 10]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 17]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 38]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 24]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 26]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 12]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 36]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 34]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 48]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 33]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 40]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 42]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 22]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 20]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 44]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 37]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 16]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 25]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 35]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 32]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 9]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 11]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 21]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 41]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 47]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 15]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 39]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 49]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 23]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 43]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 45]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 36 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 36 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 92 SDtfs, 17 SDslu, 19 SDs, 0 SdLazy, 19 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 26 ConstructedInterpolants, 1 QuantifiedInterpolants, 791 SizeOfPredicates, 3 NumberOfNonLiveVariables, 72 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 proved your program to be correct! Received shutdown request...