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 InterpretCallSummarizer --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 21:22:41,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:22:41,596 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:22:41,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:22:41,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:22:41,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:22:41,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:22:41,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:22:41,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:22:41,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:22:41,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:22:41,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:22:41,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:22:41,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:22:41,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:22:41,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:22:41,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:22:41,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:22:41,622 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:22:41,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:22:41,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:22:41,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:22:41,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:22:41,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:22:41,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 21:22:41,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 21:22:41,631 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 21:22:41,632 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 21:22:41,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 21:22:41,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 21:22:41,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:22:41,635 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:22:41,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:22:41,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:22:41,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:22:41,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:22:41,638 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:22:41,638 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:22:41,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:22:41,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:22:41,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:22:41,641 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 21:22:41,655 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:22:41,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:22:41,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:22:41,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:22:41,657 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:22:41,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:22:41,657 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:22:41,657 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:22:41,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:22:41,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:22:41,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:22:41,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:22:41,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:22:41,658 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:22:41,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:22:41,659 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:22:41,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:22:41,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:22:41,659 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:22:41,660 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:22:41,660 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:22:41,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:22:41,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:22:41,661 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:22:41,661 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:22:41,661 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:22:41,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:22:41,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:22:41,661 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 -> InterpretCallSummarizer 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 21:22:41,691 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:22:41,704 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:22:41,707 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:22:41,709 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:22:41,709 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:22:41,710 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/fermat1.c [2019-09-20 21:22:41,778 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f9dcd7bc/ae3f658c3d404785be189ca38acacd44/FLAGc39cd87f0 [2019-09-20 21:22:42,214 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:22:42,215 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/fermat1.c [2019-09-20 21:22:42,220 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f9dcd7bc/ae3f658c3d404785be189ca38acacd44/FLAGc39cd87f0 [2019-09-20 21:22:42,636 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f9dcd7bc/ae3f658c3d404785be189ca38acacd44 [2019-09-20 21:22:42,646 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:22:42,647 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:22:42,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:22:42,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:22:42,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:22:42,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:22:42" (1/1) ... [2019-09-20 21:22:42,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@272781b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:22:42, skipping insertion in model container [2019-09-20 21:22:42,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:22:42" (1/1) ... [2019-09-20 21:22:42,662 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:22:42,681 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:22:42,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:22:42,864 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:22:42,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:22:42,923 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:22:42,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:22:42 WrapperNode [2019-09-20 21:22:42,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:22:42,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:22:42,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:22:42,924 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:22:43,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:22:42" (1/1) ... [2019-09-20 21:22:43,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:22:42" (1/1) ... [2019-09-20 21:22:43,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:22:42" (1/1) ... [2019-09-20 21:22:43,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:22:42" (1/1) ... [2019-09-20 21:22:43,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:22:42" (1/1) ... [2019-09-20 21:22:43,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:22:42" (1/1) ... [2019-09-20 21:22:43,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:22:42" (1/1) ... [2019-09-20 21:22:43,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:22:43,050 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:22:43,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:22:43,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:22:43,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:22:42" (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 21:22:43,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:22:43,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:22:43,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 21:22:43,104 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:22:43,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:22:43,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-09-20 21:22:43,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 21:22:43,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 21:22:43,105 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:22:43,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:22:43,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:22:43,308 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:22:43,308 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 21:22:43,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:22:43 BoogieIcfgContainer [2019-09-20 21:22:43,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:22:43,310 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:22:43,310 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:22:43,310 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:22:43,311 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:22:43" (1/1) ... [2019-09-20 21:22:43,312 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=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 21:22:43,333 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:22:43,333 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:22:43,343 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:22:43,361 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:22:43,363 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:22:43,425 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 21:22:45,820 WARN L191 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 57 DAG size of output: 28 [2019-09-20 21:22:46,219 WARN L191 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2019-09-20 21:22:48,446 WARN L191 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 57 DAG size of output: 28 [2019-09-20 21:22:50,712 WARN L191 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2019-09-20 21:23:03,075 WARN L191 SmtUtils]: Spent 12.24 s on a formula simplification. DAG size of input: 57 DAG size of output: 45 [2019-09-20 21:23:05,238 WARN L191 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 45 [2019-09-20 21:23:05,415 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-20 21:23:06,068 WARN L191 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2019-09-20 21:23:10,557 WARN L191 SmtUtils]: Spent 4.49 s on a formula simplification that was a NOOP. DAG size: 45 [2019-09-20 21:23:14,381 WARN L191 SmtUtils]: Spent 3.82 s on a formula simplification. DAG size of input: 57 DAG size of output: 45 [2019-09-20 21:23:17,884 WARN L191 SmtUtils]: Spent 3.50 s on a formula simplification that was a NOOP. DAG size: 45 [2019-09-20 21:23:23,831 WARN L191 SmtUtils]: Spent 5.94 s on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-09-20 21:23:25,957 WARN L191 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 21:23:33,288 WARN L191 SmtUtils]: Spent 7.28 s on a formula simplification. DAG size of input: 68 DAG size of output: 49