/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/floats-esbmc-regression/modf.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 21:48:36,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 21:48:36,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 21:48:36,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 21:48:36,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 21:48:36,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 21:48:36,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 21:48:36,779 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 21:48:36,781 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 21:48:36,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 21:48:36,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 21:48:36,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 21:48:36,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 21:48:36,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 21:48:36,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 21:48:36,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 21:48:36,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 21:48:36,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 21:48:36,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 21:48:36,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 21:48:36,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 21:48:36,807 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 21:48:36,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 21:48:36,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 21:48:36,821 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 21:48:36,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 21:48:36,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 21:48:36,839 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 21:48:36,840 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 21:48:36,854 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 21:48:36,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 21:48:36,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 21:48:36,857 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 21:48:36,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 21:48:36,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 21:48:36,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 21:48:36,858 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 21:48:36,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 21:48:36,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 21:48:36,859 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 21:48:36,859 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 21:48:36,860 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 21:48:36,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 21:48:36,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 21:48:36,861 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 21:48:36,861 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 21:48:36,861 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 21:48:36,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 21:48:36,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 21:48:36,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 21:48:36,862 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 21:48:36,862 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-08-22 21:48:37,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 21:48:37,160 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 21:48:37,164 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 21:48:37,165 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 21:48:37,166 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 21:48:37,166 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/modf.i [2020-08-22 21:48:37,238 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9d1437e9/ebfd9fb62e9342339b20c45b8c73ab59/FLAG291a65f3c [2020-08-22 21:48:37,786 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 21:48:37,787 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/modf.i [2020-08-22 21:48:37,803 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9d1437e9/ebfd9fb62e9342339b20c45b8c73ab59/FLAG291a65f3c [2020-08-22 21:48:38,084 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9d1437e9/ebfd9fb62e9342339b20c45b8c73ab59 [2020-08-22 21:48:38,094 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 21:48:38,096 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 21:48:38,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 21:48:38,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 21:48:38,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 21:48:38,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:48:38" (1/1) ... [2020-08-22 21:48:38,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d1497b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:48:38, skipping insertion in model container [2020-08-22 21:48:38,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:48:38" (1/1) ... [2020-08-22 21:48:38,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 21:48:38,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 21:48:38,817 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2020-08-22 21:48:38,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6dc1fec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:48:38, skipping insertion in model container [2020-08-22 21:48:38,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 21:48:38,819 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-08-22 21:48:38,822 INFO L168 Benchmark]: Toolchain (without parser) took 725.20 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 101.9 MB in the beginning and 181.4 MB in the end (delta: -79.5 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. [2020-08-22 21:48:38,824 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-08-22 21:48:38,825 INFO L168 Benchmark]: CACSL2BoogieTranslator took 721.85 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 101.7 MB in the beginning and 181.4 MB in the end (delta: -79.7 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2020-08-22 21:48:38,830 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 721.85 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 101.7 MB in the beginning and 181.4 MB in the end (delta: -79.7 MB). Peak memory consumption was 28.1 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...