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 --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/nla-digbench/fermat1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 20:19:50,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 20:19:50,197 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 20:19:50,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 20:19:50,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 20:19:50,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 20:19:50,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 20:19:50,214 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 20:19:50,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 20:19:50,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 20:19:50,217 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 20:19:50,218 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 20:19:50,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 20:19:50,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 20:19:50,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 20:19:50,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 20:19:50,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 20:19:50,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 20:19:50,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 20:19:50,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 20:19:50,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 20:19:50,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 20:19:50,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 20:19:50,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 20:19:50,233 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 20:19:50,233 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 20:19:50,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 20:19:50,234 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 20:19:50,234 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 20:19:50,235 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 20:19:50,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 20:19:50,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 20:19:50,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 20:19:50,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 20:19:50,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 20:19:50,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 20:19:50,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 20:19:50,239 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 20:19:50,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 20:19:50,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 20:19:50,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 20:19:50,242 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 [2019-09-20 20:19:50,256 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 20:19:50,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 20:19:50,257 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 20:19:50,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 20:19:50,258 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 20:19:50,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 20:19:50,258 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 20:19:50,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 20:19:50,258 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 20:19:50,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 20:19:50,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 20:19:50,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 20:19:50,259 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 20:19:50,261 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 20:19:50,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 20:19:50,261 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 20:19:50,261 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 20:19:50,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 20:19:50,262 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 20:19:50,262 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 20:19:50,262 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 20:19:50,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 20:19:50,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 20:19:50,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 20:19:50,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 20:19:50,264 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 20:19:50,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 20:19:50,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 20:19:50,264 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> ReUseSupersetCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 20:19:50,311 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 20:19:50,323 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 20:19:50,327 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 20:19:50,328 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 20:19:50,329 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 20:19:50,329 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/fermat1.c [2019-09-20 20:19:50,390 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9d52c4cb/7ca643d3d3884835a705b22e28d8e883/FLAG946cbfbf8 [2019-09-20 20:19:50,865 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 20:19:50,866 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/fermat1.c [2019-09-20 20:19:50,874 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9d52c4cb/7ca643d3d3884835a705b22e28d8e883/FLAG946cbfbf8 [2019-09-20 20:19:51,204 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9d52c4cb/7ca643d3d3884835a705b22e28d8e883 [2019-09-20 20:19:51,213 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 20:19:51,214 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 20:19:51,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 20:19:51,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 20:19:51,219 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 20:19:51,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:19:51" (1/1) ... [2019-09-20 20:19:51,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@142c7701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:51, skipping insertion in model container [2019-09-20 20:19:51,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:19:51" (1/1) ... [2019-09-20 20:19:51,232 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 20:19:51,248 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 20:19:51,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:19:51,461 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 20:19:51,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:19:51,498 INFO L192 MainTranslator]: Completed translation [2019-09-20 20:19:51,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:51 WrapperNode [2019-09-20 20:19:51,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 20:19:51,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 20:19:51,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 20:19:51,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 20:19:51,594 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:51" (1/1) ... [2019-09-20 20:19:51,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:51" (1/1) ... [2019-09-20 20:19:51,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:51" (1/1) ... [2019-09-20 20:19:51,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:51" (1/1) ... [2019-09-20 20:19:51,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:51" (1/1) ... [2019-09-20 20:19:51,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:51" (1/1) ... [2019-09-20 20:19:51,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:51" (1/1) ... [2019-09-20 20:19:51,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 20:19:51,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 20:19:51,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 20:19:51,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 20:19:51,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:51" (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 [2019-09-20 20:19:51,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 20:19:51,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 20:19:51,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 20:19:51,668 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 20:19:51,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 20:19:51,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-09-20 20:19:51,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 20:19:51,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 20:19:51,668 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 20:19:51,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 20:19:51,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 20:19:51,895 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 20:19:51,895 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 20:19:51,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:19:51 BoogieIcfgContainer [2019-09-20 20:19:51,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 20:19:51,897 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 20:19:51,897 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 20:19:51,898 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 20:19:51,899 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:19:51" (1/1) ... [2019-09-20 20:19:51,899 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 20:19:51,929 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 20:19:51,929 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 20:19:51,937 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 20:19:51,949 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 20:19:51,951 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 20:19:52,040 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 20:19:54,354 WARN L191 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 57 DAG size of output: 28 [2019-09-20 20:19:54,475 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2019-09-20 20:19:57,081 WARN L191 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 57 DAG size of output: 28 [2019-09-20 20:19:59,286 WARN L191 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2019-09-20 20:20:02,850 WARN L191 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 57 DAG size of output: 45 [2019-09-20 20:20:06,168 WARN L191 SmtUtils]: Spent 3.32 s on a formula simplification that was a NOOP. DAG size: 45 [2019-09-20 20:20:06,323 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-20 20:20:07,744 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 45 [2019-09-20 20:20:12,347 WARN L191 SmtUtils]: Spent 4.60 s on a formula simplification that was a NOOP. DAG size: 45 [2019-09-20 20:20:22,691 WARN L191 SmtUtils]: Spent 10.34 s on a formula simplification. DAG size of input: 57 DAG size of output: 45 [2019-09-20 20:20:24,843 WARN L191 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 45 [2019-09-20 20:20:32,593 WARN L191 SmtUtils]: Spent 7.75 s on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-09-20 20:20:34,386 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 20:20:37,964 WARN L191 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 68 DAG size of output: 49 [2019-09-20 20:20:42,814 WARN L191 SmtUtils]: Spent 4.85 s on a formula simplification that was a NOOP. DAG size: 49