./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/modf.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-esbmc-regression/modf.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 46ed7e350d328defc86a68888178327eb8983b18 .................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-esbmc-regression/modf.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 46ed7e350d328defc86a68888178327eb8983b18 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 07:49:20,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 07:49:20,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 07:49:20,340 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 07:49:20,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 07:49:20,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 07:49:20,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 07:49:20,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 07:49:20,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 07:49:20,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 07:49:20,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 07:49:20,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 07:49:20,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 07:49:20,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 07:49:20,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 07:49:20,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 07:49:20,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 07:49:20,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 07:49:20,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 07:49:20,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 07:49:20,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 07:49:20,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 07:49:20,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 07:49:20,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 07:49:20,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 07:49:20,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 07:49:20,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 07:49:20,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 07:49:20,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 07:49:20,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 07:49:20,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 07:49:20,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 07:49:20,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 07:49:20,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 07:49:20,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 07:49:20,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 07:49:20,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 07:49:20,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 07:49:20,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 07:49:20,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 07:49:20,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 07:49:20,370 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 07:49:20,399 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 07:49:20,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 07:49:20,399 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 07:49:20,399 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 07:49:20,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 07:49:20,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 07:49:20,401 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 07:49:20,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 07:49:20,401 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 07:49:20,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 07:49:20,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 07:49:20,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 07:49:20,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 07:49:20,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 07:49:20,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 07:49:20,402 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 07:49:20,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 07:49:20,402 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 07:49:20,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 07:49:20,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 07:49:20,403 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 07:49:20,403 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 07:49:20,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 07:49:20,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 07:49:20,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 07:49:20,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 07:49:20,404 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 07:49:20,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 07:49:20,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 07:49:20,404 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 07:49:20,404 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46ed7e350d328defc86a68888178327eb8983b18 [2021-08-29 07:49:20,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 07:49:20,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 07:49:20,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 07:49:20,643 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 07:49:20,644 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 07:49:20,645 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/modf.i [2021-08-29 07:49:20,689 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd249bde6/16dff87db6f84d5093b2512524b29961/FLAGc80634cc8 [2021-08-29 07:49:21,140 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 07:49:21,141 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/modf.i [2021-08-29 07:49:21,158 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd249bde6/16dff87db6f84d5093b2512524b29961/FLAGc80634cc8 [2021-08-29 07:49:21,483 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd249bde6/16dff87db6f84d5093b2512524b29961 [2021-08-29 07:49:21,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 07:49:21,498 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 07:49:21,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 07:49:21,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 07:49:21,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 07:49:21,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:49:21" (1/1) ... [2021-08-29 07:49:21,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32eb8572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:49:21, skipping insertion in model container [2021-08-29 07:49:21,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:49:21" (1/1) ... [2021-08-29 07:49:21,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 07:49:21,543 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 07:49:21,890 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/modf.i[36279,36292] [2021-08-29 07:49:21,917 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2021-08-29 07:49:21,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7594e865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:49:21, skipping insertion in model container [2021-08-29 07:49:21,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 07:49:21,919 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-08-29 07:49:21,920 INFO L158 Benchmark]: Toolchain (without parser) took 421.49ms. Allocated memory is still 111.1MB. Free memory was 93.3MB in the beginning and 94.4MB in the end (delta: -1.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-08-29 07:49:21,922 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory was 41.2MB in the beginning and 41.1MB in the end (delta: 53.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 07:49:21,924 INFO L158 Benchmark]: CACSL2BoogieTranslator took 419.78ms. Allocated memory is still 111.1MB. Free memory was 92.9MB in the beginning and 94.4MB in the end (delta: -1.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-08-29 07:49:21,925 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory was 41.2MB in the beginning and 41.1MB in the end (delta: 53.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 419.78ms. Allocated memory is still 111.1MB. Free memory was 92.9MB in the beginning and 94.4MB in the end (delta: -1.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 885]: Unsupported Syntax Unsupported function from math.h: modff RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 07:49:23,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 07:49:23,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 07:49:23,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 07:49:23,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 07:49:23,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 07:49:23,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 07:49:23,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 07:49:23,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 07:49:23,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 07:49:23,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 07:49:23,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 07:49:23,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 07:49:23,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 07:49:23,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 07:49:23,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 07:49:23,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 07:49:23,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 07:49:23,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 07:49:23,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 07:49:23,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 07:49:23,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 07:49:23,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 07:49:23,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 07:49:23,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 07:49:23,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 07:49:23,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 07:49:23,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 07:49:23,140 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 07:49:23,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 07:49:23,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 07:49:23,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 07:49:23,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 07:49:23,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 07:49:23,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 07:49:23,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 07:49:23,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 07:49:23,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 07:49:23,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 07:49:23,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 07:49:23,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 07:49:23,146 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-08-29 07:49:23,160 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 07:49:23,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 07:49:23,161 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 07:49:23,161 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 07:49:23,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 07:49:23,162 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 07:49:23,162 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 07:49:23,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 07:49:23,162 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 07:49:23,163 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 07:49:23,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 07:49:23,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 07:49:23,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 07:49:23,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 07:49:23,163 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-29 07:49:23,163 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-29 07:49:23,163 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 07:49:23,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 07:49:23,164 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 07:49:23,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 07:49:23,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 07:49:23,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 07:49:23,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 07:49:23,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 07:49:23,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 07:49:23,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 07:49:23,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 07:49:23,165 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-29 07:49:23,165 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-29 07:49:23,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 07:49:23,166 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 07:49:23,166 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-29 07:49:23,166 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46ed7e350d328defc86a68888178327eb8983b18 [2021-08-29 07:49:23,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 07:49:23,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 07:49:23,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 07:49:23,487 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 07:49:23,488 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 07:49:23,490 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/modf.i [2021-08-29 07:49:23,568 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c8176d23/ae689bb3a18a48e48a3c3295ef7a035b/FLAGf00a51b0f [2021-08-29 07:49:24,175 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 07:49:24,176 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/modf.i [2021-08-29 07:49:24,191 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c8176d23/ae689bb3a18a48e48a3c3295ef7a035b/FLAGf00a51b0f [2021-08-29 07:49:24,470 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c8176d23/ae689bb3a18a48e48a3c3295ef7a035b [2021-08-29 07:49:24,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 07:49:24,473 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 07:49:24,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 07:49:24,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 07:49:24,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 07:49:24,480 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:49:24" (1/1) ... [2021-08-29 07:49:24,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d76bc79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:49:24, skipping insertion in model container [2021-08-29 07:49:24,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:49:24" (1/1) ... [2021-08-29 07:49:24,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 07:49:24,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 07:49:24,796 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/modf.i[36279,36292] [2021-08-29 07:49:24,815 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2021-08-29 07:49:24,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7cbcbaf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:49:24, skipping insertion in model container [2021-08-29 07:49:24,816 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 07:49:24,817 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-08-29 07:49:24,818 INFO L158 Benchmark]: Toolchain (without parser) took 344.74ms. Allocated memory is still 73.4MB. Free memory was 55.4MB in the beginning and 56.4MB in the end (delta: -1.0MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2021-08-29 07:49:24,820 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 73.4MB. Free memory is still 56.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 07:49:24,821 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.08ms. Allocated memory is still 73.4MB. Free memory was 55.2MB in the beginning and 56.4MB in the end (delta: -1.1MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2021-08-29 07:49:24,822 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 73.4MB. Free memory is still 56.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.08ms. Allocated memory is still 73.4MB. Free memory was 55.2MB in the beginning and 56.4MB in the end (delta: -1.1MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 885]: Unsupported Syntax Unsupported function from math.h: modff RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...