java -ea -Xmx8000000000 -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 ../../../trunk/examples/toolchains/C-BPP-RCFG.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/floats-esbmc-regression/modf_true-unreach-call.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-f44ebda [2018-11-21 10:15:14,401 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-21 10:15:14,403 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-21 10:15:14,415 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-21 10:15:14,416 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-21 10:15:14,417 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-21 10:15:14,418 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-21 10:15:14,420 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-21 10:15:14,422 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-21 10:15:14,423 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-21 10:15:14,424 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-21 10:15:14,425 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-21 10:15:14,426 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-21 10:15:14,427 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-21 10:15:14,428 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-21 10:15:14,429 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-21 10:15:14,430 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-21 10:15:14,432 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-21 10:15:14,434 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-21 10:15:14,436 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-21 10:15:14,438 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-21 10:15:14,439 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-21 10:15:14,441 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-21 10:15:14,451 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-21 10:15:14,474 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-21 10:15:14,474 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-21 10:15:14,475 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-21 10:15:14,475 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-21 10:15:14,477 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-21 10:15:14,477 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-21 10:15:14,477 INFO L133 SettingsManager]: * Use SBE=true [2018-11-21 10:15:14,478 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-21 10:15:14,478 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-21 10:15:14,478 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-21 10:15:14,478 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-21 10:15:14,478 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-21 10:15:14,478 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-21 10:15:14,480 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-21 10:15:14,480 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-21 10:15:14,480 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-21 10:15:14,480 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-21 10:15:14,480 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-21 10:15:14,482 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-21 10:15:14,482 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-21 10:15:14,482 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-21 10:15:14,482 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-21 10:15:14,483 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-21 10:15:14,483 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-21 10:15:14,483 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-21 10:15:14,484 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-21 10:15:14,484 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-21 10:15:14,484 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-21 10:15:14,484 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-21 10:15:14,484 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-21 10:15:14,484 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-21 10:15:14,550 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-21 10:15:14,565 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-21 10:15:14,570 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-21 10:15:14,571 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-21 10:15:14,572 INFO L276 PluginConnector]: CDTParser initialized [2018-11-21 10:15:14,573 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/modf_true-unreach-call.i [2018-11-21 10:15:14,653 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0a7abb74/4c5bf625bf834f80ad30965beea82ddc/FLAG5cfd92a0f [2018-11-21 10:15:15,183 INFO L307 CDTParser]: Found 1 translation units. [2018-11-21 10:15:15,184 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/modf_true-unreach-call.i [2018-11-21 10:15:15,202 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0a7abb74/4c5bf625bf834f80ad30965beea82ddc/FLAG5cfd92a0f [2018-11-21 10:15:15,481 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0a7abb74/4c5bf625bf834f80ad30965beea82ddc [2018-11-21 10:15:15,491 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-21 10:15:15,492 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-11-21 10:15:15,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-21 10:15:15,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-21 10:15:15,497 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-21 10:15:15,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:15:15" (1/1) ... [2018-11-21 10:15:15,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17f1ced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:15, skipping insertion in model container [2018-11-21 10:15:15,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:15:15" (1/1) ... [2018-11-21 10:15:15,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-21 10:15:15,577 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-21 10:15:16,188 ERROR L311 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2018-11-21 10:15:16,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@238ee3ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:16, skipping insertion in model container [2018-11-21 10:15:16,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-21 10:15:16,189 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2018-11-21 10:15:16,191 INFO L168 Benchmark]: Toolchain (without parser) took 699.41 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2018-11-21 10:15:16,193 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-21 10:15:16,194 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.93 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2018-11-21 10:15:16,197 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 695.93 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 874]: Unsupported Syntax Unsupported function from math.h: modff RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...