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/cohendiv.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 14:05:45,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 14:05:45,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 14:05:45,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 14:05:45,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 14:05:45,748 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 14:05:45,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 14:05:45,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 14:05:45,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 14:05:45,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 14:05:45,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 14:05:45,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 14:05:45,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 14:05:45,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 14:05:45,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 14:05:45,776 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 14:05:45,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 14:05:45,781 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 14:05:45,782 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 14:05:45,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 14:05:45,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 14:05:45,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 14:05:45,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 14:05:45,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 14:05:45,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 14:05:45,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 14:05:45,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 14:05:45,798 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 14:05:45,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 14:05:45,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 14:05:45,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 14:05:45,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 14:05:45,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 14:05:45,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 14:05:45,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 14:05:45,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 14:05:45,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 14:05:45,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 14:05:45,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 14:05:45,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 14:05:45,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 14:05:45,809 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 14:05:45,822 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 14:05:45,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 14:05:45,824 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 14:05:45,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 14:05:45,824 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 14:05:45,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 14:05:45,825 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 14:05:45,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 14:05:45,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 14:05:45,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 14:05:45,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 14:05:45,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 14:05:45,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 14:05:45,826 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 14:05:45,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 14:05:45,827 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 14:05:45,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 14:05:45,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 14:05:45,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 14:05:45,828 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 14:05:45,828 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 14:05:45,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 14:05:45,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 14:05:45,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 14:05:45,829 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 14:05:45,829 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 14:05:45,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 14:05:45,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 14:05:45,829 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 14:05:45,859 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 14:05:45,875 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 14:05:45,879 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 14:05:45,880 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 14:05:45,880 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 14:05:45,881 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/cohendiv.c [2019-09-20 14:05:45,951 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b67df949f/9672a706a742415f97c0c6cb69624774/FLAG354077724 [2019-09-20 14:05:46,367 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 14:05:46,370 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/cohendiv.c [2019-09-20 14:05:46,376 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b67df949f/9672a706a742415f97c0c6cb69624774/FLAG354077724 [2019-09-20 14:05:46,759 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b67df949f/9672a706a742415f97c0c6cb69624774 [2019-09-20 14:05:46,769 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 14:05:46,771 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 14:05:46,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 14:05:46,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 14:05:46,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 14:05:46,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:05:46" (1/1) ... [2019-09-20 14:05:46,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1307dca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:05:46, skipping insertion in model container [2019-09-20 14:05:46,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:05:46" (1/1) ... [2019-09-20 14:05:46,785 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 14:05:46,802 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 14:05:46,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:05:46,986 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 14:05:47,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:05:47,017 INFO L192 MainTranslator]: Completed translation [2019-09-20 14:05:47,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:05:47 WrapperNode [2019-09-20 14:05:47,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 14:05:47,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 14:05:47,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 14:05:47,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 14:05:47,117 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 14:05:47,117 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 14:05:47,121 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 14:05:47,121 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 14:05:47,125 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 14:05:47,130 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 14:05:47,131 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 14:05:47,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 14:05:47,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 14:05:47,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 14:05:47,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 14:05:47,137 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 14:05:47,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 14:05:47,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 14:05:47,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 14:05:47,196 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 14:05:47,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 14:05:47,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 14:05:47,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 14:05:47,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 14:05:47,197 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 14:05:47,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 14:05:47,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 14:05:47,405 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 14:05:47,406 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 14:05:47,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:05:47 BoogieIcfgContainer [2019-09-20 14:05:47,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 14:05:47,408 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 14:05:47,408 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 14:05:47,408 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 14:05:47,409 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 14:05:47,410 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 14:05:47,434 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 14:05:47,434 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 14:05:47,442 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 14:05:47,452 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 14:05:47,454 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 14:05:47,510 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 14:05:48,009 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 25 [2019-09-20 14:05:48,283 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 32 [2019-09-20 14:05:48,492 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2019-09-20 14:05:49,749 WARN L191 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2019-09-20 14:05:50,218 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-09-20 14:05:54,375 WARN L191 SmtUtils]: Spent 4.10 s on a formula simplification. DAG size of input: 28 DAG size of output: 25 [2019-09-20 14:05:56,398 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 25 [2019-09-20 14:06:05,160 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 96 [2019-09-20 14:06:18,320 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 117 [2019-09-20 14:06:20,368 WARN L191 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 14:06:22,432 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 19 [2019-09-20 14:06:24,448 WARN L191 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 19 [2019-09-20 14:06:25,069 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 37 [2019-09-20 14:06:31,802 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2019-09-20 14:06:32,027 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 96