/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/floats-esbmc-regression/modf.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 22:02:26,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 22:02:26,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 22:02:26,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 22:02:26,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 22:02:26,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 22:02:26,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 22:02:26,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 22:02:26,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 22:02:26,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 22:02:26,571 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 22:02:26,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 22:02:26,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 22:02:26,573 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 22:02:26,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 22:02:26,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 22:02:26,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 22:02:26,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 22:02:26,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 22:02:26,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 22:02:26,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 22:02:26,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 22:02:26,590 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 22:02:26,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 22:02:26,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 22:02:26,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 22:02:26,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 22:02:26,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 22:02:26,612 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 [2020-07-17 22:02:26,631 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 22:02:26,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 22:02:26,633 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 22:02:26,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 22:02:26,633 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 22:02:26,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 22:02:26,634 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 22:02:26,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 22:02:26,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 22:02:26,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 22:02:26,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 22:02:26,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 22:02:26,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 22:02:26,636 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 22:02:26,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 22:02:26,637 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 22:02:26,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 22:02:26,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 22:02:26,637 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 22:02:26,638 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 22:02:26,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 22:02:26,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:02:26,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 22:02:26,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 22:02:26,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 22:02:26,639 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 22:02:26,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 22:02:26,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 22:02:26,639 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 22:02:26,639 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 22:02:26,906 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 22:02:26,918 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 22:02:26,921 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 22:02:26,923 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 22:02:26,923 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 22:02:26,924 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/modf.i [2020-07-17 22:02:26,981 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54ec02d19/45a616c7daaa4de9bd1e0959a1131f92/FLAGe4cfce402 [2020-07-17 22:02:27,497 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 22:02:27,498 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/modf.i [2020-07-17 22:02:27,512 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54ec02d19/45a616c7daaa4de9bd1e0959a1131f92/FLAGe4cfce402 [2020-07-17 22:02:27,794 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54ec02d19/45a616c7daaa4de9bd1e0959a1131f92 [2020-07-17 22:02:27,805 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 22:02:27,808 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 22:02:27,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 22:02:27,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 22:02:27,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 22:02:27,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:02:27" (1/1) ... [2020-07-17 22:02:27,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30c07dbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:27, skipping insertion in model container [2020-07-17 22:02:27,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:02:27" (1/1) ... [2020-07-17 22:02:27,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 22:02:27,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 22:02:28,525 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2020-07-17 22:02:28,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@72ddc099 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:28, skipping insertion in model container [2020-07-17 22:02:28,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 22:02:28,527 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-07-17 22:02:28,530 INFO L168 Benchmark]: Toolchain (without parser) took 722.72 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 102.6 MB in the beginning and 181.1 MB in the end (delta: -78.4 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2020-07-17 22:02:28,531 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-17 22:02:28,532 INFO L168 Benchmark]: CACSL2BoogieTranslator took 717.40 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 102.2 MB in the beginning and 181.1 MB in the end (delta: -78.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2020-07-17 22:02:28,535 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 717.40 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 102.2 MB in the beginning and 181.1 MB in the end (delta: -78.9 MB). Peak memory consumption was 25.2 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...