/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/floats-esbmc-regression/modf.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 10:44:52,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 10:44:52,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 10:44:52,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 10:44:52,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 10:44:52,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 10:44:52,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 10:44:52,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 10:44:52,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 10:44:52,714 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 10:44:52,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 10:44:52,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 10:44:52,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 10:44:52,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 10:44:52,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 10:44:52,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 10:44:52,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 10:44:52,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 10:44:52,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 10:44:52,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 10:44:52,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 10:44:52,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 10:44:52,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 10:44:52,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 10:44:52,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 10:44:52,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 10:44:52,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 10:44:52,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 10:44:52,765 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 [2020-07-20 10:44:52,779 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 10:44:52,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 10:44:52,781 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 10:44:52,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 10:44:52,781 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 10:44:52,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 10:44:52,782 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 10:44:52,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 10:44:52,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 10:44:52,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 10:44:52,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 10:44:52,783 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 10:44:52,783 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 10:44:52,783 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 10:44:52,783 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 10:44:52,784 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 10:44:52,784 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 10:44:52,784 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 10:44:52,784 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 10:44:52,784 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 10:44:52,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 10:44:52,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:44:52,785 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 10:44:52,785 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 10:44:52,785 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 10:44:52,786 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 10:44:52,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:52,786 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 10:44:52,786 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 10:44:52,786 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-20 10:44:53,089 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 10:44:53,102 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 10:44:53,105 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 10:44:53,107 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 10:44:53,107 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 10:44:53,108 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/modf.i [2020-07-20 10:44:53,168 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c2bfbfb7/31e469a435fd4fb5bc98161b602289f0/FLAG9828e02f0 [2020-07-20 10:44:53,664 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 10:44:53,665 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/modf.i [2020-07-20 10:44:53,691 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c2bfbfb7/31e469a435fd4fb5bc98161b602289f0/FLAG9828e02f0 [2020-07-20 10:44:53,994 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c2bfbfb7/31e469a435fd4fb5bc98161b602289f0 [2020-07-20 10:44:54,004 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 10:44:54,007 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 10:44:54,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 10:44:54,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 10:44:54,012 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 10:44:54,013 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:44:53" (1/1) ... [2020-07-20 10:44:54,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e21a57a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:54, skipping insertion in model container [2020-07-20 10:44:54,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:44:53" (1/1) ... [2020-07-20 10:44:54,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 10:44:54,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 10:44:54,579 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2020-07-20 10:44:54,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@64a76937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:54, skipping insertion in model container [2020-07-20 10:44:54,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 10:44:54,581 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-07-20 10:44:54,668 INFO L168 Benchmark]: Toolchain (without parser) took 577.93 ms. Allocated memory is still 137.9 MB. Free memory was 100.9 MB in the beginning and 86.3 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:54,669 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 137.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-20 10:44:54,671 INFO L168 Benchmark]: CACSL2BoogieTranslator took 572.46 ms. Allocated memory is still 137.9 MB. Free memory was 100.5 MB in the beginning and 86.3 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:54,675 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 137.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 572.46 ms. Allocated memory is still 137.9 MB. Free memory was 100.5 MB in the beginning and 86.3 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 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...