java -Xmx2000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/C-BPP.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/termination-numeric/Et4_true_false-no-overflow.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ead35ba [2018-05-09 16:42:09,882 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-05-09 16:42:09,885 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-05-09 16:42:09,907 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-05-09 16:42:09,907 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-05-09 16:42:09,908 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-05-09 16:42:09,909 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-05-09 16:42:09,914 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-05-09 16:42:09,915 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-05-09 16:42:09,930 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-05-09 16:42:09,931 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-05-09 16:42:09,931 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-05-09 16:42:09,932 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-05-09 16:42:09,933 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-05-09 16:42:09,934 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-05-09 16:42:09,936 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-05-09 16:42:09,950 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-05-09 16:42:09,952 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-05-09 16:42:09,961 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-05-09 16:42:09,962 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-05-09 16:42:09,974 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-05-09 16:42:09,974 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-05-09 16:42:09,975 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-05-09 16:42:09,976 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-05-09 16:42:09,989 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-05-09 16:42:09,990 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-05-09 16:42:09,991 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-05-09 16:42:09,991 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-05-09 16:42:09,992 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-05-09 16:42:09,992 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-05-09 16:42:09,993 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-05-09 16:42:09,993 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-64bit-Automizer_Default.epf [2018-05-09 16:42:10,041 INFO L110 SettingsManager]: Loading preferences was successful [2018-05-09 16:42:10,047 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-05-09 16:42:10,048 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-05-09 16:42:10,048 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-05-09 16:42:10,049 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-05-09 16:42:10,049 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-05-09 16:42:10,049 INFO L133 SettingsManager]: * Use SBE=true [2018-05-09 16:42:10,049 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-05-09 16:42:10,051 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-05-09 16:42:10,051 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-05-09 16:42:10,052 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-05-09 16:42:10,052 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-05-09 16:42:10,052 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-05-09 16:42:10,052 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-05-09 16:42:10,053 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-05-09 16:42:10,053 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-05-09 16:42:10,053 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-05-09 16:42:10,053 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-05-09 16:42:10,053 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-05-09 16:42:10,054 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-05-09 16:42:10,054 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-05-09 16:42:10,054 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-05-09 16:42:10,054 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-05-09 16:42:10,054 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-05-09 16:42:10,062 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-05-09 16:42:10,062 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-05-09 16:42:10,062 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-05-09 16:42:10,062 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-05-09 16:42:10,063 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-05-09 16:42:10,063 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-05-09 16:42:10,167 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-05-09 16:42:10,197 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-05-09 16:42:10,206 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-05-09 16:42:10,208 INFO L271 PluginConnector]: Initializing CDTParser... [2018-05-09 16:42:10,208 INFO L276 PluginConnector]: CDTParser initialized [2018-05-09 16:42:10,209 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/termination-numeric/Et4_true_false-no-overflow.c [2018-05-09 16:42:10,745 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/d22b50509/20e78b2245e943a0a20a8e265825e000/FLAG354b8edd4 [2018-05-09 16:42:11,164 INFO L276 CDTParser]: Found 1 translation units. [2018-05-09 16:42:11,165 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/termination-numeric/Et4_true_false-no-overflow.c [2018-05-09 16:42:11,186 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/d22b50509/20e78b2245e943a0a20a8e265825e000/FLAG354b8edd4 [2018-05-09 16:42:11,212 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/d22b50509/20e78b2245e943a0a20a8e265825e000 [2018-05-09 16:42:11,233 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-05-09 16:42:11,235 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-05-09 16:42:11,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-05-09 16:42:11,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-05-09 16:42:11,243 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-05-09 16:42:11,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.05 04:42:11" (1/1) ... [2018-05-09 16:42:11,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32fbb177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.05 04:42:11, skipping insertion in model container [2018-05-09 16:42:11,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.05 04:42:11" (1/1) ... [2018-05-09 16:42:11,606 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-05-09 16:42:11,696 INFO L175 PostProcessor]: Settings: Checked method=main [2018-05-09 16:42:11,730 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-05-09 16:42:11,749 INFO L175 PostProcessor]: Settings: Checked method=main [2018-05-09 16:42:11,764 INFO L100 SccComputation]: Graph consists of 1 InCaSumBalls and 5 non ball SCCs. Number of states in SCCs 6. Received shutdown request...