./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 c3fed411 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 c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-15 23:34:07,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 23:34:07,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 23:34:07,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 23:34:07,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 23:34:07,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 23:34:07,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 23:34:07,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 23:34:07,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 23:34:07,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 23:34:07,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 23:34:07,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 23:34:07,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 23:34:07,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 23:34:07,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 23:34:07,345 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 23:34:07,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 23:34:07,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 23:34:07,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 23:34:07,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 23:34:07,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 23:34:07,361 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 23:34:07,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 23:34:07,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 23:34:07,370 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 23:34:07,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 23:34:07,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 23:34:07,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 23:34:07,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 23:34:07,376 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 23:34:07,377 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 23:34:07,378 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 23:34:07,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 23:34:07,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 23:34:07,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 23:34:07,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 23:34:07,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 23:34:07,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 23:34:07,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 23:34:07,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 23:34:07,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 23:34:07,384 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 23:34:07,411 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 23:34:07,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 23:34:07,412 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 23:34:07,412 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 23:34:07,412 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 23:34:07,413 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 23:34:07,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 23:34:07,414 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 23:34:07,414 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 23:34:07,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 23:34:07,415 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 23:34:07,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 23:34:07,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 23:34:07,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 23:34:07,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 23:34:07,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 23:34:07,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 23:34:07,416 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 23:34:07,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 23:34:07,417 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 23:34:07,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 23:34:07,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 23:34:07,417 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 23:34:07,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 23:34:07,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 23:34:07,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 23:34:07,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 23:34:07,419 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 23:34:07,419 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 23:34:07,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 23:34:07,420 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 23:34:07,420 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 23:34:07,420 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 23:34:07,420 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 23:34:07,420 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2021-12-15 23:34:07,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 23:34:07,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 23:34:07,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 23:34:07,733 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 23:34:07,733 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 23:34:07,734 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/modf.i [2021-12-15 23:34:07,789 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d281f0ec/f843f19692804baf992eef5ebe6ad35e/FLAG0410ed19c [2021-12-15 23:34:08,377 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 23:34:08,378 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/modf.i [2021-12-15 23:34:08,390 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d281f0ec/f843f19692804baf992eef5ebe6ad35e/FLAG0410ed19c [2021-12-15 23:34:08,815 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d281f0ec/f843f19692804baf992eef5ebe6ad35e [2021-12-15 23:34:08,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 23:34:08,819 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 23:34:08,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 23:34:08,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 23:34:08,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 23:34:08,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:34:08" (1/1) ... [2021-12-15 23:34:08,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ffe7591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:34:08, skipping insertion in model container [2021-12-15 23:34:08,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:34:08" (1/1) ... [2021-12-15 23:34:08,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 23:34:08,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 23:34:09,260 WARN L230 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] [2021-12-15 23:34:09,266 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2021-12-15 23:34:09,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7d2cebeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:34:09, skipping insertion in model container [2021-12-15 23:34:09,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 23:34:09,269 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-15 23:34:09,271 INFO L158 Benchmark]: Toolchain (without parser) took 451.22ms. Allocated memory is still 90.2MB. Free memory was 59.0MB in the beginning and 65.9MB in the end (delta: -6.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 23:34:09,272 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 90.2MB. Free memory was 46.5MB in the beginning and 46.4MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 23:34:09,274 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.85ms. Allocated memory is still 90.2MB. Free memory was 58.8MB in the beginning and 65.9MB in the end (delta: -7.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 23:34:09,275 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 90.2MB. Free memory was 46.5MB in the beginning and 46.4MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 445.85ms. Allocated memory is still 90.2MB. Free memory was 58.8MB in the beginning and 65.9MB in the end (delta: -7.1MB). Peak memory consumption was 10.5MB. 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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 c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-15 23:34:10,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 23:34:10,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 23:34:10,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 23:34:10,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 23:34:10,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 23:34:10,956 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 23:34:10,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 23:34:10,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 23:34:10,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 23:34:10,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 23:34:10,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 23:34:10,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 23:34:10,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 23:34:10,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 23:34:10,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 23:34:10,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 23:34:10,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 23:34:10,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 23:34:10,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 23:34:10,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 23:34:10,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 23:34:10,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 23:34:10,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 23:34:10,977 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 23:34:10,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 23:34:10,991 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 23:34:10,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 23:34:10,993 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 23:34:10,994 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 23:34:10,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 23:34:10,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 23:34:10,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 23:34:11,000 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 23:34:11,001 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 23:34:11,003 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 23:34:11,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 23:34:11,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 23:34:11,004 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 23:34:11,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 23:34:11,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 23:34:11,007 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 23:34:11,028 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 23:34:11,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 23:34:11,029 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 23:34:11,029 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 23:34:11,029 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 23:34:11,030 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 23:34:11,030 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 23:34:11,030 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 23:34:11,030 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 23:34:11,031 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 23:34:11,031 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 23:34:11,031 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 23:34:11,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 23:34:11,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 23:34:11,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 23:34:11,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 23:34:11,032 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 23:34:11,032 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 23:34:11,032 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 23:34:11,032 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 23:34:11,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 23:34:11,032 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 23:34:11,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 23:34:11,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 23:34:11,032 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 23:34:11,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 23:34:11,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 23:34:11,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 23:34:11,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 23:34:11,033 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 23:34:11,033 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 23:34:11,033 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 23:34:11,033 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 23:34:11,033 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 23:34:11,034 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 23:34:11,034 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 23:34:11,034 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 23:34:11,034 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2021-12-15 23:34:11,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 23:34:11,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 23:34:11,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 23:34:11,380 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 23:34:11,381 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 23:34:11,382 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/modf.i [2021-12-15 23:34:11,437 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11f10adc3/0f8d99e8e984444f8faf70947733b721/FLAG9b04b7303 [2021-12-15 23:34:11,893 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 23:34:11,894 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/modf.i [2021-12-15 23:34:11,928 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11f10adc3/0f8d99e8e984444f8faf70947733b721/FLAG9b04b7303 [2021-12-15 23:34:12,412 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11f10adc3/0f8d99e8e984444f8faf70947733b721 [2021-12-15 23:34:12,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 23:34:12,415 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 23:34:12,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 23:34:12,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 23:34:12,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 23:34:12,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:34:12" (1/1) ... [2021-12-15 23:34:12,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b204945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:34:12, skipping insertion in model container [2021-12-15 23:34:12,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:34:12" (1/1) ... [2021-12-15 23:34:12,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 23:34:12,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 23:34:12,944 WARN L230 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] [2021-12-15 23:34:12,952 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2021-12-15 23:34:12,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6aef24d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:34:12, skipping insertion in model container [2021-12-15 23:34:12,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 23:34:12,953 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-15 23:34:12,956 INFO L158 Benchmark]: Toolchain (without parser) took 539.25ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 25.6MB in the beginning and 42.4MB in the end (delta: -16.8MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2021-12-15 23:34:12,957 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 50.3MB. Free memory was 32.9MB in the beginning and 32.8MB in the end (delta: 31.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 23:34:12,958 INFO L158 Benchmark]: CACSL2BoogieTranslator took 536.59ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 25.4MB in the beginning and 42.4MB in the end (delta: -17.0MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2021-12-15 23:34:12,960 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 50.3MB. Free memory was 32.9MB in the beginning and 32.8MB in the end (delta: 31.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 536.59ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 25.4MB in the beginning and 42.4MB in the end (delta: -17.0MB). Peak memory consumption was 7.1MB. 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN