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 SingleStatement --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 19:23:58,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:23:58,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:23:58,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:23:58,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:23:58,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:23:58,171 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:23:58,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:23:58,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:23:58,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:23:58,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:23:58,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:23:58,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:23:58,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:23:58,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:23:58,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:23:58,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:23:58,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:23:58,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:23:58,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:23:58,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:23:58,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:23:58,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:23:58,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:23:58,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:23:58,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:23:58,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:23:58,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:23:58,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:23:58,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:23:58,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:23:58,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:23:58,203 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:23:58,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:23:58,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:23:58,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:23:58,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:23:58,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:23:58,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:23:58,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:23:58,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:23:58,208 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 19:23:58,222 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:23:58,222 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:23:58,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:23:58,224 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:23:58,224 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:23:58,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:23:58,224 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:23:58,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:23:58,225 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:23:58,225 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:23:58,225 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:23:58,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:23:58,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:23:58,226 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:23:58,226 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:23:58,226 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:23:58,226 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:23:58,227 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:23:58,227 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:23:58,227 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:23:58,227 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:23:58,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:23:58,228 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:23:58,228 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:23:58,228 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:23:58,228 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:23:58,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:23:58,229 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:23:58,229 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 -> SingleStatement 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 19:23:58,263 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:23:58,275 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:23:58,278 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:23:58,280 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:23:58,281 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:23:58,281 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/cohendiv.c [2019-09-20 19:23:58,353 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf45745ff/7072be7f02e941c6b44dbeb2c9f74c90/FLAG1db121217 [2019-09-20 19:23:58,809 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:23:58,810 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/cohendiv.c [2019-09-20 19:23:58,818 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf45745ff/7072be7f02e941c6b44dbeb2c9f74c90/FLAG1db121217 [2019-09-20 19:23:59,189 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf45745ff/7072be7f02e941c6b44dbeb2c9f74c90 [2019-09-20 19:23:59,199 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:23:59,201 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:23:59,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:23:59,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:23:59,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:23:59,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:23:59" (1/1) ... [2019-09-20 19:23:59,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38cfb177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:59, skipping insertion in model container [2019-09-20 19:23:59,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:23:59" (1/1) ... [2019-09-20 19:23:59,216 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:23:59,234 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:23:59,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:23:59,434 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:23:59,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:23:59,471 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:23:59,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:59 WrapperNode [2019-09-20 19:23:59,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:23:59,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:23:59,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:23:59,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:23:59,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:59" (1/1) ... [2019-09-20 19:23:59,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:59" (1/1) ... [2019-09-20 19:23:59,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:59" (1/1) ... [2019-09-20 19:23:59,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:59" (1/1) ... [2019-09-20 19:23:59,587 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:59" (1/1) ... [2019-09-20 19:23:59,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:59" (1/1) ... [2019-09-20 19:23:59,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:59" (1/1) ... [2019-09-20 19:23:59,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:23:59,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:23:59,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:23:59,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:23:59,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:59" (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 19:23:59,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:23:59,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:23:59,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 19:23:59,662 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:23:59,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:23:59,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 19:23:59,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 19:23:59,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 19:23:59,663 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:23:59,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:23:59,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:23:59,918 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:23:59,919 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 19:23:59,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:23:59 BoogieIcfgContainer [2019-09-20 19:23:59,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:23:59,921 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:23:59,922 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:23:59,922 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:23:59,924 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:23:59" (1/1) ... [2019-09-20 19:23:59,925 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 19:23:59,951 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:23:59,951 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:23:59,959 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:23:59,981 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:23:59,983 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:24:00,060 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 19:24:00,523 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 25 [2019-09-20 19:24:00,829 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 34 [2019-09-20 19:24:06,655 WARN L191 SmtUtils]: Spent 5.77 s on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2019-09-20 19:24:07,382 WARN L191 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2019-09-20 19:24:07,570 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2019-09-20 19:24:08,393 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2019-09-20 19:24:12,557 WARN L191 SmtUtils]: Spent 4.12 s on a formula simplification. DAG size of input: 29 DAG size of output: 25 [2019-09-20 19:24:14,576 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 25 [2019-09-20 19:24:16,865 WARN L191 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2019-09-20 19:24:42,501 WARN L191 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 128 [2019-09-20 19:24:46,669 WARN L191 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 28 DAG size of output: 24 [2019-09-20 19:24:48,687 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 24