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 TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/nla-digbench/egcd.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 14:05:46,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 14:05:46,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 14:05:46,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 14:05:46,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 14:05:46,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 14:05:46,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 14:05:46,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 14:05:46,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 14:05:46,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 14:05:46,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 14:05:46,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 14:05:46,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 14:05:46,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 14:05:46,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 14:05:46,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 14:05:46,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 14:05:46,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 14:05:46,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 14:05:46,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 14:05:46,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 14:05:46,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 14:05:46,211 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 14:05:46,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 14:05:46,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 14:05:46,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 14:05:46,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 14:05:46,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 14:05:46,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 14:05:46,219 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 14:05:46,219 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 14:05:46,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 14:05:46,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 14:05:46,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 14:05:46,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 14:05:46,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 14:05:46,224 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 14:05:46,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 14:05:46,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 14:05:46,226 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 14:05:46,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 14:05:46,227 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 14:05:46,262 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 14:05:46,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 14:05:46,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 14:05:46,264 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 14:05:46,264 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 14:05:46,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 14:05:46,265 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 14:05:46,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 14:05:46,265 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 14:05:46,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 14:05:46,265 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 14:05:46,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 14:05:46,266 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 14:05:46,266 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 14:05:46,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 14:05:46,266 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 14:05:46,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 14:05:46,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 14:05:46,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 14:05:46,267 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 14:05:46,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 14:05:46,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 14:05:46,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 14:05:46,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 14:05:46,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 14:05:46,269 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 14:05:46,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 14:05:46,269 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 14:05:46,270 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 -> TopInputCallSummarizer 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 14:05:46,321 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 14:05:46,333 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 14:05:46,337 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 14:05:46,338 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 14:05:46,339 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 14:05:46,339 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/egcd.c [2019-09-20 14:05:46,404 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17c21224e/989ed905afb745939175d2ec1e41320f/FLAG702506b8c [2019-09-20 14:05:46,839 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 14:05:46,840 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/egcd.c [2019-09-20 14:05:46,847 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17c21224e/989ed905afb745939175d2ec1e41320f/FLAG702506b8c [2019-09-20 14:05:47,230 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17c21224e/989ed905afb745939175d2ec1e41320f [2019-09-20 14:05:47,238 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 14:05:47,239 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 14:05:47,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 14:05:47,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 14:05:47,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 14:05:47,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:05:47" (1/1) ... [2019-09-20 14:05:47,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65342265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:05:47, skipping insertion in model container [2019-09-20 14:05:47,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:05:47" (1/1) ... [2019-09-20 14:05:47,256 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 14:05:47,276 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 14:05:47,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:05:47,479 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 14:05:47,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:05:47,511 INFO L192 MainTranslator]: Completed translation [2019-09-20 14:05:47,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:05:47 WrapperNode [2019-09-20 14:05:47,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 14:05:47,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 14:05:47,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 14:05:47,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 14:05:47,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:05:47" (1/1) ... [2019-09-20 14:05:47,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:05:47" (1/1) ... [2019-09-20 14:05:47,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:05:47" (1/1) ... [2019-09-20 14:05:47,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:05:47" (1/1) ... [2019-09-20 14:05:47,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:05:47" (1/1) ... [2019-09-20 14:05:47,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:05:47" (1/1) ... [2019-09-20 14:05:47,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:05:47" (1/1) ... [2019-09-20 14:05:47,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 14:05:47,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 14:05:47,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 14:05:47,656 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 14:05:47,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:05:47" (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 14:05:47,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 14:05:47,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 14:05:47,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 14:05:47,709 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 14:05:47,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 14:05:47,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 14:05:47,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 14:05:47,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 14:05:47,709 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 14:05:47,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 14:05:47,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 14:05:47,962 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 14:05:47,963 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 14:05:47,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:05:47 BoogieIcfgContainer [2019-09-20 14:05:47,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 14:05:47,965 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 14:05:47,965 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 14:05:47,965 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 14:05:47,967 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:05:47" (1/1) ... [2019-09-20 14:05:47,967 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 14:05:47,990 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 14:05:47,990 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 14:05:47,998 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 14:05:48,026 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 14:05:48,028 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 14:05:48,080 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 14:05:48,808 WARN L191 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 41 [2019-09-20 14:05:55,599 WARN L191 SmtUtils]: Spent 6.72 s on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-09-20 14:06:06,456 WARN L191 SmtUtils]: Spent 10.86 s on a formula simplification that was a NOOP. DAG size: 52