./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/floats-esbmc-regression/modf.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54a68f41 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 ../../../trunk/examples/svcomp/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 ../../../trunk/examples/svcomp/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 0.2.1-54a68f4 [2020-12-03 18:59:36,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 18:59:36,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 18:59:36,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 18:59:36,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 18:59:36,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 18:59:36,221 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 18:59:36,227 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 18:59:36,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 18:59:36,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 18:59:36,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 18:59:36,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 18:59:36,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 18:59:36,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 18:59:36,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 18:59:36,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 18:59:36,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 18:59:36,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 18:59:36,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 18:59:36,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 18:59:36,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 18:59:36,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 18:59:36,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 18:59:36,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 18:59:36,284 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 18:59:36,284 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 18:59:36,284 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 18:59:36,285 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 18:59:36,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 18:59:36,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 18:59:36,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 18:59:36,290 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 18:59:36,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 18:59:36,293 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 18:59:36,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 18:59:36,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 18:59:36,295 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 18:59:36,295 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 18:59:36,295 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 18:59:36,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 18:59:36,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 18:59:36,299 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-03 18:59:36,353 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 18:59:36,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 18:59:36,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 18:59:36,355 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 18:59:36,356 INFO L138 SettingsManager]: * Use SBE=true [2020-12-03 18:59:36,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 18:59:36,357 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-03 18:59:36,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 18:59:36,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-03 18:59:36,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 18:59:36,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 18:59:36,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 18:59:36,359 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 18:59:36,359 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-03 18:59:36,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 18:59:36,360 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 18:59:36,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 18:59:36,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 18:59:36,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-03 18:59:36,361 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 18:59:36,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 18:59:36,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 18:59:36,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 18:59:36,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 18:59:36,363 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-03 18:59:36,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-03 18:59:36,363 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 18:59:36,364 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 18:59:36,364 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46ed7e350d328defc86a68888178327eb8983b18 [2020-12-03 18:59:36,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 18:59:36,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 18:59:36,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 18:59:36,831 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 18:59:36,832 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 18:59:36,833 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/modf.i [2020-12-03 18:59:36,920 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dccf8bb2/fd5138ddb1834962b73cccadc73630d0/FLAG093c4b5fb [2020-12-03 18:59:37,728 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 18:59:37,729 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/modf.i [2020-12-03 18:59:37,768 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dccf8bb2/fd5138ddb1834962b73cccadc73630d0/FLAG093c4b5fb [2020-12-03 18:59:37,955 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dccf8bb2/fd5138ddb1834962b73cccadc73630d0 [2020-12-03 18:59:37,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 18:59:37,962 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 18:59:37,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 18:59:37,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 18:59:37,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 18:59:37,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 06:59:37" (1/1) ... [2020-12-03 18:59:37,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bbf3c27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:59:37, skipping insertion in model container [2020-12-03 18:59:37,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 06:59:37" (1/1) ... [2020-12-03 18:59:37,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 18:59:38,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 18:59:38,510 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/modf.i[36279,36292] [2020-12-03 18:59:38,521 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2020-12-03 18:59:38,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3ddea829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:59:38, skipping insertion in model container [2020-12-03 18:59:38,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 18:59:38,523 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-03 18:59:38,527 INFO L168 Benchmark]: Toolchain (without parser) took 563.25 ms. Allocated memory was 39.8 MB in the beginning and 52.4 MB in the end (delta: 12.6 MB). Free memory was 25.0 MB in the beginning and 35.2 MB in the end (delta: -10.2 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2020-12-03 18:59:38,528 INFO L168 Benchmark]: CDTParser took 0.64 ms. Allocated memory is still 39.8 MB. Free memory is still 25.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 18:59:38,529 INFO L168 Benchmark]: CACSL2BoogieTranslator took 559.95 ms. Allocated memory was 39.8 MB in the beginning and 52.4 MB in the end (delta: 12.6 MB). Free memory was 24.9 MB in the beginning and 35.2 MB in the end (delta: -10.3 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2020-12-03 18:59:38,532 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64 ms. Allocated memory is still 39.8 MB. Free memory is still 25.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 559.95 ms. Allocated memory was 39.8 MB in the beginning and 52.4 MB in the end (delta: 12.6 MB). Free memory was 24.9 MB in the beginning and 35.2 MB in the end (delta: -10.3 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. * 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 0.2.1-54a68f4 [2020-12-03 18:59:40,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 18:59:40,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 18:59:40,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 18:59:40,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 18:59:40,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 18:59:40,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 18:59:40,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 18:59:40,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 18:59:40,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 18:59:40,910 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 18:59:40,911 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 18:59:40,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 18:59:40,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 18:59:40,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 18:59:40,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 18:59:40,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 18:59:40,918 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 18:59:40,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 18:59:40,922 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 18:59:40,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 18:59:40,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 18:59:40,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 18:59:40,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 18:59:40,935 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 18:59:40,935 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 18:59:40,936 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 18:59:40,937 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 18:59:40,938 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 18:59:40,939 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 18:59:40,939 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 18:59:40,940 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 18:59:40,941 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 18:59:40,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 18:59:40,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 18:59:40,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 18:59:40,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 18:59:40,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 18:59:40,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 18:59:40,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 18:59:40,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 18:59:40,950 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-03 18:59:40,983 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 18:59:40,984 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 18:59:40,985 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 18:59:40,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 18:59:40,986 INFO L138 SettingsManager]: * Use SBE=true [2020-12-03 18:59:40,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 18:59:40,986 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-03 18:59:40,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-03 18:59:40,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 18:59:40,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 18:59:40,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 18:59:40,987 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 18:59:40,987 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-03 18:59:40,988 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-03 18:59:40,988 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-03 18:59:40,988 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 18:59:40,988 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 18:59:40,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 18:59:40,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 18:59:40,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-03 18:59:40,989 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 18:59:40,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 18:59:40,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 18:59:40,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 18:59:40,990 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 18:59:40,990 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-03 18:59:40,990 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-03 18:59:40,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 18:59:40,991 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 18:59:40,991 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-03 18:59:40,991 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46ed7e350d328defc86a68888178327eb8983b18 [2020-12-03 18:59:41,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 18:59:41,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 18:59:41,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 18:59:41,443 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 18:59:41,446 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 18:59:41,447 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/modf.i [2020-12-03 18:59:41,553 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcb6a5366/9a49bc7b72054dd0ae79d3755b1d1c1d/FLAGb97948b00 [2020-12-03 18:59:42,201 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 18:59:42,202 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/modf.i [2020-12-03 18:59:42,230 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcb6a5366/9a49bc7b72054dd0ae79d3755b1d1c1d/FLAGb97948b00 [2020-12-03 18:59:42,479 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcb6a5366/9a49bc7b72054dd0ae79d3755b1d1c1d [2020-12-03 18:59:42,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 18:59:42,485 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 18:59:42,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 18:59:42,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 18:59:42,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 18:59:42,500 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 06:59:42" (1/1) ... [2020-12-03 18:59:42,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4da4610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:59:42, skipping insertion in model container [2020-12-03 18:59:42,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 06:59:42" (1/1) ... [2020-12-03 18:59:42,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 18:59:42,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 18:59:43,157 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/modf.i[36279,36292] [2020-12-03 18:59:43,167 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2020-12-03 18:59:43,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@757d833c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:59:43, skipping insertion in model container [2020-12-03 18:59:43,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 18:59:43,169 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-03 18:59:43,172 INFO L168 Benchmark]: Toolchain (without parser) took 685.81 ms. Allocated memory is still 52.4 MB. Free memory was 28.0 MB in the beginning and 26.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 4.0 MB. Max. memory is 16.1 GB. [2020-12-03 18:59:43,173 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 39.8 MB. Free memory was 17.8 MB in the beginning and 17.7 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 18:59:43,174 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.41 ms. Allocated memory is still 52.4 MB. Free memory was 27.8 MB in the beginning and 26.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 4.0 MB. Max. memory is 16.1 GB. [2020-12-03 18:59:43,176 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 39.8 MB. Free memory was 17.8 MB in the beginning and 17.7 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 675.41 ms. Allocated memory is still 52.4 MB. Free memory was 27.8 MB in the beginning and 26.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 4.0 MB. Max. memory is 16.1 GB. * 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...