java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-benchs/drift_tenth.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 00:43:44,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 00:43:44,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 00:43:44,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 00:43:44,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 00:43:44,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 00:43:44,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 00:43:44,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 00:43:44,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 00:43:44,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 00:43:44,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 00:43:44,835 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 00:43:44,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 00:43:44,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 00:43:44,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 00:43:44,838 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 00:43:44,839 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 00:43:44,840 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 00:43:44,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 00:43:44,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 00:43:44,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 00:43:44,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 00:43:44,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 00:43:44,847 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 00:43:44,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 00:43:44,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 00:43:44,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 00:43:44,850 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 00:43:44,851 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 00:43:44,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 00:43:44,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 00:43:44,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 00:43:44,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 00:43:44,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 00:43:44,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 00:43:44,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 00:43:44,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 00:43:44,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 00:43:44,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 00:43:44,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 00:43:44,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 00:43:44,859 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 [2019-08-31 00:43:44,887 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 00:43:44,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 00:43:44,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 00:43:44,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 00:43:44,889 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 00:43:44,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 00:43:44,889 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 00:43:44,890 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 00:43:44,890 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 00:43:44,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 00:43:44,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 00:43:44,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 00:43:44,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 00:43:44,891 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 00:43:44,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 00:43:44,891 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 00:43:44,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 00:43:44,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 00:43:44,893 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 00:43:44,893 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 00:43:44,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 00:43:44,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 00:43:44,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 00:43:44,894 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 00:43:44,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 00:43:44,895 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 00:43:44,895 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 00:43:44,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 00:43:44,895 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 00:43:44,940 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 00:43:44,950 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 00:43:44,954 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 00:43:44,955 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 00:43:44,955 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 00:43:44,956 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/drift_tenth.c [2019-08-31 00:43:45,015 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15b3ece83/980302e40aee4c0da87a08095ca35ad8/FLAGb261b3596 [2019-08-31 00:43:45,394 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 00:43:45,397 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/drift_tenth.c [2019-08-31 00:43:45,404 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15b3ece83/980302e40aee4c0da87a08095ca35ad8/FLAGb261b3596 [2019-08-31 00:43:45,766 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15b3ece83/980302e40aee4c0da87a08095ca35ad8 [2019-08-31 00:43:45,779 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 00:43:45,781 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 00:43:45,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 00:43:45,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 00:43:45,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 00:43:45,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 12:43:45" (1/1) ... [2019-08-31 00:43:45,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56699d7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:43:45, skipping insertion in model container [2019-08-31 00:43:45,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 12:43:45" (1/1) ... [2019-08-31 00:43:45,798 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 00:43:45,816 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 00:43:46,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 00:43:46,016 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 00:43:46,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 00:43:46,049 INFO L192 MainTranslator]: Completed translation [2019-08-31 00:43:46,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:43:46 WrapperNode [2019-08-31 00:43:46,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 00:43:46,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 00:43:46,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 00:43:46,051 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 00:43:46,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:43:46" (1/1) ... [2019-08-31 00:43:46,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:43:46" (1/1) ... [2019-08-31 00:43:46,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:43:46" (1/1) ... [2019-08-31 00:43:46,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:43:46" (1/1) ... [2019-08-31 00:43:46,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:43:46" (1/1) ... [2019-08-31 00:43:46,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:43:46" (1/1) ... [2019-08-31 00:43:46,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:43:46" (1/1) ... [2019-08-31 00:43:46,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 00:43:46,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 00:43:46,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 00:43:46,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 00:43:46,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:43:46" (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 [2019-08-31 00:43:46,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 00:43:46,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 00:43:46,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-31 00:43:46,222 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 00:43:46,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 00:43:46,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-31 00:43:46,222 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 00:43:46,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 00:43:46,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 00:43:46,382 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 00:43:46,382 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-31 00:43:46,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 12:43:46 BoogieIcfgContainer [2019-08-31 00:43:46,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 00:43:46,384 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 00:43:46,385 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 00:43:46,385 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 00:43:46,386 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 12:43:46" (1/1) ... [2019-08-31 00:43:46,421 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 00:43:46,421 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 00:43:46,428 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 00:43:46,436 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 00:43:46,438 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 00:43:46,483 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-08-31 00:50:04,337 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5305 conjuctions. This might take some time... [2019-08-31 00:50:06,906 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5305 conjuctions. [2019-08-31 00:51:29,921 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5006 conjuctions. This might take some time... [2019-08-31 00:51:31,705 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5006 conjuctions. [2019-08-31 00:52:30,371 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5305 conjuctions. This might take some time... [2019-08-31 00:52:32,892 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5305 conjuctions. [2019-08-31 00:53:39,958 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5351 conjuctions. This might take some time... [2019-08-31 00:53:42,047 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5351 conjuctions. [2019-08-31 00:54:31,896 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5971 conjuctions. This might take some time... [2019-08-31 00:54:34,959 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5971 conjuctions. [2019-08-31 00:54:35,021 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7449 conjuctions. This might take some time... [2019-08-31 00:54:40,890 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 7449 conjuctions. [2019-08-31 00:55:40,699 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5305 conjuctions. This might take some time... [2019-08-31 00:55:43,220 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5305 conjuctions. [2019-08-31 00:57:04,091 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5006 conjuctions. This might take some time... [2019-08-31 00:57:05,770 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5006 conjuctions. [2019-08-31 00:57:05,830 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7502 conjuctions. This might take some time... [2019-08-31 00:57:10,403 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 7502 conjuctions. [2019-08-31 00:58:14,563 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5351 conjuctions. This might take some time... [2019-08-31 00:58:16,604 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5351 conjuctions.