./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f361bd5f-80cd-4bec-b07a-4fd47a71bd83/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f361bd5f-80cd-4bec-b07a-4fd47a71bd83/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f361bd5f-80cd-4bec-b07a-4fd47a71bd83/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f361bd5f-80cd-4bec-b07a-4fd47a71bd83/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/modf.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f361bd5f-80cd-4bec-b07a-4fd47a71bd83/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f361bd5f-80cd-4bec-b07a-4fd47a71bd83/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 527e040d46fd13f052781cd3bb4409f7548c45aa .......................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f361bd5f-80cd-4bec-b07a-4fd47a71bd83/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f361bd5f-80cd-4bec-b07a-4fd47a71bd83/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f361bd5f-80cd-4bec-b07a-4fd47a71bd83/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f361bd5f-80cd-4bec-b07a-4fd47a71bd83/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/modf.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f361bd5f-80cd-4bec-b07a-4fd47a71bd83/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f361bd5f-80cd-4bec-b07a-4fd47a71bd83/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 527e040d46fd13f052781cd3bb4409f7548c45aa ............................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:53:02,542 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:53:02,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:53:02,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:53:02,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:53:02,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:53:02,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:53:02,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:53:02,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:53:02,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:53:02,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:53:02,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:53:02,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:53:02,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:53:02,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:53:02,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:53:02,559 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:53:02,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:53:02,562 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:53:02,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:53:02,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:53:02,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:53:02,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:53:02,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:53:02,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:53:02,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:53:02,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:53:02,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:53:02,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:53:02,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:53:02,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:53:02,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:53:02,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:53:02,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:53:02,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:53:02,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:53:02,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:53:02,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:53:02,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:53:02,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:53:02,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:53:02,573 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f361bd5f-80cd-4bec-b07a-4fd47a71bd83/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 18:53:02,582 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:53:02,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:53:02,583 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:53:02,583 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:53:02,583 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:53:02,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:53:02,584 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:53:02,584 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:53:02,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:53:02,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:53:02,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:53:02,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:53:02,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:53:02,584 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:53:02,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:53:02,585 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:53:02,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:53:02,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:53:02,585 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:53:02,585 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:53:02,585 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:53:02,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:53:02,585 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:53:02,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:53:02,586 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:53:02,586 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:53:02,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 18:53:02,586 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:53:02,586 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:53:02,586 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_f361bd5f-80cd-4bec-b07a-4fd47a71bd83/bin/uautomizer 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(__VERIFIER_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 -> 527e040d46fd13f052781cd3bb4409f7548c45aa [2019-12-07 18:53:02,684 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:53:02,692 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:53:02,695 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:53:02,696 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:53:02,696 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:53:02,697 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f361bd5f-80cd-4bec-b07a-4fd47a71bd83/bin/uautomizer/../../sv-benchmarks/c/floats-esbmc-regression/modf.i [2019-12-07 18:53:02,741 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f361bd5f-80cd-4bec-b07a-4fd47a71bd83/bin/uautomizer/data/5b922974e/29267c02c94e4745b8818f605b0642ad/FLAG1afbcb0be [2019-12-07 18:53:03,112 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:53:03,112 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f361bd5f-80cd-4bec-b07a-4fd47a71bd83/sv-benchmarks/c/floats-esbmc-regression/modf.i [2019-12-07 18:53:03,122 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f361bd5f-80cd-4bec-b07a-4fd47a71bd83/bin/uautomizer/data/5b922974e/29267c02c94e4745b8818f605b0642ad/FLAG1afbcb0be [2019-12-07 18:53:03,130 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f361bd5f-80cd-4bec-b07a-4fd47a71bd83/bin/uautomizer/data/5b922974e/29267c02c94e4745b8818f605b0642ad [2019-12-07 18:53:03,132 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:53:03,133 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:53:03,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:53:03,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:53:03,136 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:53:03,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:53:03" (1/1) ... [2019-12-07 18:53:03,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5483048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:53:03, skipping insertion in model container [2019-12-07 18:53:03,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:53:03" (1/1) ... [2019-12-07 18:53:03,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:53:03,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:53:03,461 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2019-12-07 18:53:03,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4f021618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:53:03, skipping insertion in model container [2019-12-07 18:53:03,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:53:03,462 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 18:53:03,464 INFO L168 Benchmark]: Toolchain (without parser) took 329.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.5 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -128.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-12-07 18:53:03,464 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:53:03,465 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.5 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -128.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-12-07 18:53:03,466 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 328.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.5 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -128.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 874]: Unsupported Syntax Unsupported function from math.h: modff RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 18:53:04,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:53:04,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:53:04,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:53:04,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:53:04,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:53:04,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:53:04,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:53:04,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:53:04,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:53:04,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:53:04,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:53:04,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:53:04,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:53:04,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:53:04,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:53:04,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:53:04,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:53:04,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:53:04,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:53:04,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:53:04,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:53:04,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:53:04,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:53:04,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:53:04,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:53:04,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:53:04,611 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:53:04,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:53:04,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:53:04,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:53:04,613 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:53:04,614 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:53:04,614 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:53:04,615 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:53:04,615 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:53:04,615 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:53:04,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:53:04,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:53:04,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:53:04,617 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:53:04,617 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f361bd5f-80cd-4bec-b07a-4fd47a71bd83/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 18:53:04,627 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:53:04,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:53:04,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:53:04,628 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:53:04,628 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:53:04,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:53:04,628 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:53:04,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:53:04,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:53:04,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:53:04,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:53:04,629 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:53:04,629 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 18:53:04,629 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 18:53:04,629 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:53:04,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:53:04,630 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:53:04,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:53:04,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:53:04,630 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:53:04,630 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:53:04,630 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:53:04,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:53:04,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:53:04,631 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:53:04,631 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:53:04,631 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 18:53:04,631 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 18:53:04,631 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:53:04,631 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:53:04,632 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 18:53:04,632 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_f361bd5f-80cd-4bec-b07a-4fd47a71bd83/bin/uautomizer 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(__VERIFIER_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 -> 527e040d46fd13f052781cd3bb4409f7548c45aa [2019-12-07 18:53:04,791 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:53:04,800 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:53:04,802 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:53:04,803 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:53:04,804 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:53:04,804 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f361bd5f-80cd-4bec-b07a-4fd47a71bd83/bin/uautomizer/../../sv-benchmarks/c/floats-esbmc-regression/modf.i [2019-12-07 18:53:04,842 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f361bd5f-80cd-4bec-b07a-4fd47a71bd83/bin/uautomizer/data/3efeacfe8/fda8c8fc4f384609add9684bcb8ab69d/FLAG3bf43b716 [2019-12-07 18:53:05,282 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:53:05,283 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f361bd5f-80cd-4bec-b07a-4fd47a71bd83/sv-benchmarks/c/floats-esbmc-regression/modf.i [2019-12-07 18:53:05,292 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f361bd5f-80cd-4bec-b07a-4fd47a71bd83/bin/uautomizer/data/3efeacfe8/fda8c8fc4f384609add9684bcb8ab69d/FLAG3bf43b716 [2019-12-07 18:53:05,632 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f361bd5f-80cd-4bec-b07a-4fd47a71bd83/bin/uautomizer/data/3efeacfe8/fda8c8fc4f384609add9684bcb8ab69d [2019-12-07 18:53:05,638 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:53:05,641 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:53:05,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:53:05,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:53:05,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:53:05,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:53:05" (1/1) ... [2019-12-07 18:53:05,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16cbfc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:53:05, skipping insertion in model container [2019-12-07 18:53:05,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:53:05" (1/1) ... [2019-12-07 18:53:05,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:53:05,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:53:06,023 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2019-12-07 18:53:06,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@31a9b4a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:53:06, skipping insertion in model container [2019-12-07 18:53:06,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:53:06,024 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 18:53:06,025 INFO L168 Benchmark]: Toolchain (without parser) took 385.41 ms. Allocated memory is still 1.0 GB. Free memory was 947.0 MB in the beginning and 936.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:53:06,026 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:53:06,026 INFO L168 Benchmark]: CACSL2BoogieTranslator took 380.68 ms. Allocated memory is still 1.0 GB. Free memory was 947.0 MB in the beginning and 936.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:53:06,027 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 380.68 ms. Allocated memory is still 1.0 GB. Free memory was 947.0 MB in the beginning and 936.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 874]: Unsupported Syntax Unsupported function from math.h: modff RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...