/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/floats-esbmc-regression/copysign_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 40ef5092 Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/floats-esbmc-regression/copysign_true-unreach-call.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b417ef1b78b1681b43008a7169fa8fa490774215 ..................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-40ef509 [2018-09-20 14:24:28,183 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 14:24:28,187 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 14:24:28,209 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 14:24:28,210 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 14:24:28,211 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 14:24:28,212 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 14:24:28,214 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 14:24:28,215 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 14:24:28,216 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 14:24:28,217 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 14:24:28,218 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 14:24:28,219 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 14:24:28,220 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 14:24:28,221 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 14:24:28,222 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 14:24:28,223 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 14:24:28,225 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 14:24:28,227 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 14:24:28,228 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 14:24:28,230 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 14:24:28,231 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 14:24:28,233 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 14:24:28,234 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 14:24:28,234 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 14:24:28,235 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 14:24:28,236 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 14:24:28,237 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 14:24:28,238 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 14:24:28,239 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 14:24:28,240 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 14:24:28,240 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 14:24:28,241 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 14:24:28,241 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 14:24:28,242 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 14:24:28,244 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 14:24:28,245 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 14:24:28,273 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 14:24:28,274 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 14:24:28,274 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 14:24:28,275 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 14:24:28,275 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 14:24:28,275 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 14:24:28,276 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 14:24:28,276 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 14:24:28,276 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 14:24:28,276 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 14:24:28,276 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 14:24:28,277 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 14:24:28,277 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 14:24:28,277 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 14:24:28,277 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 14:24:28,277 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 14:24:28,277 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 14:24:28,278 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 14:24:28,278 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 14:24:28,279 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 14:24:28,280 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 14:24:28,280 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 14:24:28,280 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:24:28,280 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 14:24:28,280 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 14:24:28,280 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 14:24:28,281 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 14:24:28,281 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 14:24:28,281 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 14:24:28,281 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b417ef1b78b1681b43008a7169fa8fa490774215 [2018-09-20 14:24:28,352 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 14:24:28,366 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 14:24:28,372 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 14:24:28,374 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 14:24:28,375 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 14:24:28,376 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/copysign_true-unreach-call.i [2018-09-20 14:24:28,741 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ddd80538/e14f6c0b562e4c37840c65f5dc7f20f0/FLAG519c885df [2018-09-20 14:24:29,009 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 14:24:29,011 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/copysign_true-unreach-call.i [2018-09-20 14:24:29,031 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ddd80538/e14f6c0b562e4c37840c65f5dc7f20f0/FLAG519c885df [2018-09-20 14:24:29,059 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ddd80538/e14f6c0b562e4c37840c65f5dc7f20f0 [2018-09-20 14:24:29,065 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 14:24:29,069 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 14:24:29,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 14:24:29,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 14:24:29,081 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 14:24:29,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:24:29" (1/1) ... [2018-09-20 14:24:29,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60d72080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:24:29, skipping insertion in model container [2018-09-20 14:24:29,086 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:24:29" (1/1) ... [2018-09-20 14:24:29,100 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 14:24:29,408 WARN L223 ieTranslatorObserver]: Unsupported Syntax: Unsupported function from math.h: copysign [2018-09-20 14:24:29,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6e56144f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:24:29, skipping insertion in model container [2018-09-20 14:24:29,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 14:24:29,410 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2018-09-20 14:24:29,412 INFO L168 Benchmark]: Toolchain (without parser) took 345.71 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 933.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 14:24:29,414 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:24:29,415 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.06 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 933.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 14:24:29,418 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 338.06 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 933.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 871]: Unsupported Syntax Unsupported function from math.h: copysign RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...