./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 35987657 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-?-3598765 [2022-07-21 01:32:42,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 01:32:42,957 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 01:32:42,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 01:32:42,998 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 01:32:43,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 01:32:43,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 01:32:43,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 01:32:43,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 01:32:43,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 01:32:43,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 01:32:43,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 01:32:43,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 01:32:43,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 01:32:43,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 01:32:43,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 01:32:43,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 01:32:43,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 01:32:43,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 01:32:43,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 01:32:43,045 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 01:32:43,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 01:32:43,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 01:32:43,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 01:32:43,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 01:32:43,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 01:32:43,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 01:32:43,058 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 01:32:43,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 01:32:43,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 01:32:43,060 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 01:32:43,060 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 01:32:43,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 01:32:43,062 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 01:32:43,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 01:32:43,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 01:32:43,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 01:32:43,065 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 01:32:43,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 01:32:43,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 01:32:43,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 01:32:43,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 01:32:43,076 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 01:32:43,109 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 01:32:43,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 01:32:43,110 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 01:32:43,110 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 01:32:43,111 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 01:32:43,111 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 01:32:43,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 01:32:43,112 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 01:32:43,112 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 01:32:43,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 01:32:43,113 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 01:32:43,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 01:32:43,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 01:32:43,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 01:32:43,114 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 01:32:43,114 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 01:32:43,115 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 01:32:43,115 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 01:32:43,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 01:32:43,115 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 01:32:43,115 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 01:32:43,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 01:32:43,116 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 01:32:43,116 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 01:32:43,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 01:32:43,116 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 01:32:43,116 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 01:32:43,117 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 01:32:43,117 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 01:32:43,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 01:32:43,117 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 01:32:43,118 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 01:32:43,118 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 01:32:43,118 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2022-07-21 01:32:43,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 01:32:43,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 01:32:43,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 01:32:43,422 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 01:32:43,423 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 01:32:43,424 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-07-21 01:32:43,491 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6be80f3ca/785209a36cce4db8a4b3753d750ddbdd/FLAG98c14c6b2 [2022-07-21 01:32:43,950 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 01:32:43,951 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-07-21 01:32:43,963 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6be80f3ca/785209a36cce4db8a4b3753d750ddbdd/FLAG98c14c6b2 [2022-07-21 01:32:44,298 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6be80f3ca/785209a36cce4db8a4b3753d750ddbdd [2022-07-21 01:32:44,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 01:32:44,302 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 01:32:44,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 01:32:44,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 01:32:44,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 01:32:44,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:32:44" (1/1) ... [2022-07-21 01:32:44,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e4fd549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:32:44, skipping insertion in model container [2022-07-21 01:32:44,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:32:44" (1/1) ... [2022-07-21 01:32:44,318 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 01:32:44,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 01:32:44,763 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] [2022-07-21 01:32:44,769 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2022-07-21 01:32:44,770 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@79b472cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:32:44, skipping insertion in model container [2022-07-21 01:32:44,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 01:32:44,770 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-21 01:32:44,772 INFO L158 Benchmark]: Toolchain (without parser) took 468.87ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 27.2MB in the beginning and 44.6MB in the end (delta: -17.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-21 01:32:44,773 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 52.4MB. Free memory was 33.5MB in the beginning and 33.5MB in the end (delta: 50.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:32:44,775 INFO L158 Benchmark]: CACSL2BoogieTranslator took 465.11ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 27.0MB in the beginning and 44.6MB in the end (delta: -17.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-21 01:32:44,777 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 52.4MB. Free memory was 33.5MB in the beginning and 33.5MB in the end (delta: 50.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 465.11ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 27.0MB in the beginning and 44.6MB in the end (delta: -17.6MB). Peak memory consumption was 8.4MB. 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-?-3598765 [2022-07-21 01:32:46,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 01:32:46,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 01:32:46,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 01:32:46,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 01:32:46,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 01:32:46,557 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 01:32:46,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 01:32:46,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 01:32:46,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 01:32:46,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 01:32:46,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 01:32:46,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 01:32:46,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 01:32:46,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 01:32:46,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 01:32:46,589 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 01:32:46,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 01:32:46,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 01:32:46,593 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 01:32:46,594 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 01:32:46,595 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 01:32:46,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 01:32:46,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 01:32:46,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 01:32:46,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 01:32:46,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 01:32:46,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 01:32:46,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 01:32:46,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 01:32:46,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 01:32:46,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 01:32:46,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 01:32:46,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 01:32:46,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 01:32:46,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 01:32:46,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 01:32:46,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 01:32:46,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 01:32:46,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 01:32:46,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 01:32:46,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 01:32:46,615 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-21 01:32:46,657 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 01:32:46,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 01:32:46,658 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 01:32:46,658 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 01:32:46,659 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 01:32:46,659 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 01:32:46,659 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 01:32:46,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 01:32:46,660 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 01:32:46,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 01:32:46,661 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 01:32:46,661 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 01:32:46,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 01:32:46,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 01:32:46,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 01:32:46,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 01:32:46,662 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 01:32:46,662 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 01:32:46,662 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 01:32:46,663 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 01:32:46,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 01:32:46,663 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 01:32:46,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 01:32:46,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 01:32:46,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 01:32:46,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 01:32:46,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 01:32:46,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 01:32:46,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 01:32:46,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 01:32:46,665 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 01:32:46,665 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 01:32:46,665 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 01:32:46,665 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 01:32:46,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 01:32:46,666 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 01:32:46,666 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2022-07-21 01:32:46,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 01:32:46,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 01:32:46,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 01:32:46,987 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 01:32:46,988 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 01:32:46,990 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-07-21 01:32:47,043 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72ee2c1e9/184e8a9555bc44b6b7f28b36c0829e70/FLAG5f4b94194 [2022-07-21 01:32:47,594 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 01:32:47,599 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-07-21 01:32:47,616 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72ee2c1e9/184e8a9555bc44b6b7f28b36c0829e70/FLAG5f4b94194 [2022-07-21 01:32:47,907 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72ee2c1e9/184e8a9555bc44b6b7f28b36c0829e70 [2022-07-21 01:32:47,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 01:32:47,912 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 01:32:47,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 01:32:47,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 01:32:47,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 01:32:47,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:32:47" (1/1) ... [2022-07-21 01:32:47,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bd3dd5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:32:47, skipping insertion in model container [2022-07-21 01:32:47,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:32:47" (1/1) ... [2022-07-21 01:32:47,931 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 01:32:47,973 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 01:32:48,348 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] [2022-07-21 01:32:48,371 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2022-07-21 01:32:48,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4084aed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:32:48, skipping insertion in model container [2022-07-21 01:32:48,372 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 01:32:48,373 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-21 01:32:48,375 INFO L158 Benchmark]: Toolchain (without parser) took 461.05ms. Allocated memory is still 58.7MB. Free memory was 35.3MB in the beginning and 40.2MB in the end (delta: -4.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-21 01:32:48,376 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 58.7MB. Free memory was 40.0MB in the beginning and 39.9MB in the end (delta: 61.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:32:48,377 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.42ms. Allocated memory is still 58.7MB. Free memory was 35.1MB in the beginning and 40.2MB in the end (delta: -5.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-21 01:32:48,379 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 58.7MB. Free memory was 40.0MB in the beginning and 39.9MB in the end (delta: 61.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 457.42ms. Allocated memory is still 58.7MB. Free memory was 35.1MB in the beginning and 40.2MB in the end (delta: -5.1MB). 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN