/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float6.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 13:11:07,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 13:11:07,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 13:11:07,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 13:11:07,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 13:11:07,644 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 13:11:07,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 13:11:07,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 13:11:07,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 13:11:07,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 13:11:07,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 13:11:07,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 13:11:07,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 13:11:07,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 13:11:07,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 13:11:07,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 13:11:07,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 13:11:07,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 13:11:07,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 13:11:07,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 13:11:07,691 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 13:11:07,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 13:11:07,697 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 13:11:07,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 13:11:07,703 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-23 13:11:07,704 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-23 13:11:07,704 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-23 13:11:07,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-23 13:11:07,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-23 13:11:07,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-23 13:11:07,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-23 13:11:07,708 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-23 13:11:07,710 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-23 13:11:07,711 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-23 13:11:07,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-23 13:11:07,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-23 13:11:07,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-23 13:11:07,713 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-23 13:11:07,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 13:11:07,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 13:11:07,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 13:11:07,716 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-23 13:11:07,741 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 13:11:07,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 13:11:07,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-23 13:11:07,743 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-23 13:11:07,743 INFO L138 SettingsManager]: * Use SBE=true [2021-02-23 13:11:07,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 13:11:07,744 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 13:11:07,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 13:11:07,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 13:11:07,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 13:11:07,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 13:11:07,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 13:11:07,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 13:11:07,745 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 13:11:07,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 13:11:07,746 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 13:11:07,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 13:11:07,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 13:11:07,746 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-23 13:11:07,746 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 13:11:07,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 13:11:07,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 13:11:07,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-23 13:11:07,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-23 13:11:07,747 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-23 13:11:07,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-23 13:11:07,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 13:11:07,748 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-23 13:11:07,748 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 13:11:08,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 13:11:08,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 13:11:08,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 13:11:08,136 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 13:11:08,137 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 13:11:08,138 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float6.c [2021-02-23 13:11:08,221 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa1006137/7df969670491457b81a2851d1b5a90c1/FLAGd11a6e39d [2021-02-23 13:11:08,908 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 13:11:08,909 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c [2021-02-23 13:11:08,921 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa1006137/7df969670491457b81a2851d1b5a90c1/FLAGd11a6e39d [2021-02-23 13:11:08,947 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa1006137/7df969670491457b81a2851d1b5a90c1 [2021-02-23 13:11:08,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 13:11:08,970 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 13:11:08,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 13:11:08,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 13:11:08,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 13:11:08,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:11:08" (1/1) ... [2021-02-23 13:11:08,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29bf8be6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:11:08, skipping insertion in model container [2021-02-23 13:11:08,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:11:08" (1/1) ... [2021-02-23 13:11:08,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 13:11:09,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 13:11:09,163 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] [2021-02-23 13:11:09,166 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] [2021-02-23 13:11:09,167 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] [2021-02-23 13:11:09,168 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] [2021-02-23 13:11:09,169 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] [2021-02-23 13:11:09,170 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] [2021-02-23 13:11:09,170 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] [2021-02-23 13:11:09,171 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] [2021-02-23 13:11:09,172 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] [2021-02-23 13:11:09,173 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] [2021-02-23 13:11:09,174 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] [2021-02-23 13:11:09,174 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] [2021-02-23 13:11:09,175 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] [2021-02-23 13:11:09,176 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] [2021-02-23 13:11:09,177 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] [2021-02-23 13:11:09,178 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] [2021-02-23 13:11:09,178 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] [2021-02-23 13:11:09,179 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] [2021-02-23 13:11:09,183 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] [2021-02-23 13:11:09,184 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] [2021-02-23 13:11:09,185 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] [2021-02-23 13:11:09,186 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] [2021-02-23 13:11:09,187 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[1449,1462] [2021-02-23 13:11:09,188 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] [2021-02-23 13:11:09,189 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] [2021-02-23 13:11:09,190 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] [2021-02-23 13:11:09,190 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] [2021-02-23 13:11:09,191 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] [2021-02-23 13:11:09,192 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[1699,1712] [2021-02-23 13:11:09,193 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[1740,1753] [2021-02-23 13:11:09,194 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] [2021-02-23 13:11:09,195 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[1820,1833] [2021-02-23 13:11:09,195 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[1859,1872] [2021-02-23 13:11:09,196 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[1903,1916] [2021-02-23 13:11:09,197 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[1942,1955] [2021-02-23 13:11:09,198 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[1986,1999] [2021-02-23 13:11:09,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 13:11:09,215 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 13:11:09,230 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[369,382] [2021-02-23 13:11:09,231 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[412,425] [2021-02-23 13:11:09,232 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[454,467] [2021-02-23 13:11:09,232 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[501,514] [2021-02-23 13:11:09,233 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[543,556] [2021-02-23 13:11:09,234 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] [2021-02-23 13:11:09,235 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[635,648] [2021-02-23 13:11:09,235 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[682,695] [2021-02-23 13:11:09,236 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] [2021-02-23 13:11:09,237 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] [2021-02-23 13:11:09,237 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] [2021-02-23 13:11:09,238 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] [2021-02-23 13:11:09,238 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] [2021-02-23 13:11:09,240 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] [2021-02-23 13:11:09,240 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] [2021-02-23 13:11:09,241 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] [2021-02-23 13:11:09,241 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] [2021-02-23 13:11:09,242 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] [2021-02-23 13:11:09,244 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] [2021-02-23 13:11:09,244 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] [2021-02-23 13:11:09,245 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] [2021-02-23 13:11:09,246 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] [2021-02-23 13:11:09,246 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] [2021-02-23 13:11:09,247 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] [2021-02-23 13:11:09,248 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] [2021-02-23 13:11:09,249 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] [2021-02-23 13:11:09,249 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] [2021-02-23 13:11:09,250 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] [2021-02-23 13:11:09,251 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] [2021-02-23 13:11:09,251 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] [2021-02-23 13:11:09,252 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] [2021-02-23 13:11:09,253 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] [2021-02-23 13:11:09,253 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] [2021-02-23 13:11:09,254 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] [2021-02-23 13:11:09,255 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] [2021-02-23 13:11:09,256 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] [2021-02-23 13:11:09,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 13:11:09,277 INFO L208 MainTranslator]: Completed translation [2021-02-23 13:11:09,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:11:09 WrapperNode [2021-02-23 13:11:09,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 13:11:09,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 13:11:09,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 13:11:09,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 13:11:09,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:11:09" (1/1) ... [2021-02-23 13:11:09,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:11:09" (1/1) ... [2021-02-23 13:11:09,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:11:09" (1/1) ... [2021-02-23 13:11:09,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:11:09" (1/1) ... [2021-02-23 13:11:09,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:11:09" (1/1) ... [2021-02-23 13:11:09,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:11:09" (1/1) ... [2021-02-23 13:11:09,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:11:09" (1/1) ... [2021-02-23 13:11:09,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 13:11:09,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 13:11:09,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 13:11:09,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 13:11:09,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:11:09" (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 [2021-02-23 13:11:09,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 13:11:09,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 13:11:09,414 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 13:11:09,414 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 13:11:09,415 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 13:11:09,415 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 13:11:09,415 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 13:11:09,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 13:11:09,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2021-02-23 13:11:09,415 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 13:11:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 13:11:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 13:11:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 13:11:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 13:11:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 13:11:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 13:11:09,950 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 13:11:09,950 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-23 13:11:09,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:11:09 BoogieIcfgContainer [2021-02-23 13:11:09,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 13:11:09,954 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 13:11:09,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 13:11:09,958 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 13:11:09,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 01:11:08" (1/3) ... [2021-02-23 13:11:09,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6885ec97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:11:09, skipping insertion in model container [2021-02-23 13:11:09,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:11:09" (2/3) ... [2021-02-23 13:11:09,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6885ec97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:11:09, skipping insertion in model container [2021-02-23 13:11:09,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:11:09" (3/3) ... [2021-02-23 13:11:09,961 INFO L111 eAbstractionObserver]: Analyzing ICFG float6.c [2021-02-23 13:11:09,968 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-23 13:11:09,972 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2021-02-23 13:11:09,990 INFO L253 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2021-02-23 13:11:10,020 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 13:11:10,020 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 13:11:10,020 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-23 13:11:10,021 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 13:11:10,021 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 13:11:10,021 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 13:11:10,021 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 13:11:10,021 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 13:11:10,046 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2021-02-23 13:11:10,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-02-23 13:11:10,051 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:11:10,052 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:11:10,053 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:11:10,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:11:10,059 INFO L82 PathProgramCache]: Analyzing trace with hash 142864753, now seen corresponding path program 1 times [2021-02-23 13:11:10,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:11:10,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251234373] [2021-02-23 13:11:10,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:11:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 13:11:10,191 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 13:11:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 13:11:10,213 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 13:11:10,238 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-02-23 13:11:10,238 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-23 13:11:10,239 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 13:11:10,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 01:11:10 BoogieIcfgContainer [2021-02-23 13:11:10,262 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 13:11:10,264 INFO L168 Benchmark]: Toolchain (without parser) took 1304.96 ms. Allocated memory is still 152.0 MB. Free memory was 126.8 MB in the beginning and 104.0 MB in the end (delta: 22.8 MB). Peak memory consumption was 21.9 MB. Max. memory is 8.0 GB. [2021-02-23 13:11:10,265 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 152.0 MB. Free memory is still 124.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 13:11:10,266 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.12 ms. Allocated memory is still 152.0 MB. Free memory was 125.8 MB in the beginning and 111.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-02-23 13:11:10,267 INFO L168 Benchmark]: Boogie Preprocessor took 40.64 ms. Allocated memory is still 152.0 MB. Free memory was 111.1 MB in the beginning and 109.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-23 13:11:10,268 INFO L168 Benchmark]: RCFGBuilder took 631.56 ms. Allocated memory is still 152.0 MB. Free memory was 109.2 MB in the beginning and 117.1 MB in the end (delta: -7.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-02-23 13:11:10,269 INFO L168 Benchmark]: TraceAbstraction took 308.06 ms. Allocated memory is still 152.0 MB. Free memory was 116.6 MB in the beginning and 104.0 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-02-23 13:11:10,272 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 152.0 MB. Free memory is still 124.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 304.12 ms. Allocated memory is still 152.0 MB. Free memory was 125.8 MB in the beginning and 111.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 40.64 ms. Allocated memory is still 152.0 MB. Free memory was 111.1 MB in the beginning and 109.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 631.56 ms. Allocated memory is still 152.0 MB. Free memory was 109.2 MB in the beginning and 117.1 MB in the end (delta: -7.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 308.06 ms. Allocated memory is still 152.0 MB. Free memory was 116.6 MB in the beginning and 104.0 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 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 4 procedures, 122 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=119occurred 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, 7 NumberOfCodeBlocks, 7 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...