./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1210.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_497ea344-bc78-4f9b-ba03-50e88e892323/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_497ea344-bc78-4f9b-ba03-50e88e892323/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_497ea344-bc78-4f9b-ba03-50e88e892323/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_497ea344-bc78-4f9b-ba03-50e88e892323/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1210.c -s /tmp/vcloud-vcloud-master/worker/run_dir_497ea344-bc78-4f9b-ba03-50e88e892323/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_497ea344-bc78-4f9b-ba03-50e88e892323/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 4632d05eeeec8083fb0c38c2d70eb822a2624ecb ........................................................................................................................................................................................................................................................................................................................................ 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_497ea344-bc78-4f9b-ba03-50e88e892323/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_497ea344-bc78-4f9b-ba03-50e88e892323/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_497ea344-bc78-4f9b-ba03-50e88e892323/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_497ea344-bc78-4f9b-ba03-50e88e892323/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1210.c -s /tmp/vcloud-vcloud-master/worker/run_dir_497ea344-bc78-4f9b-ba03-50e88e892323/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_497ea344-bc78-4f9b-ba03-50e88e892323/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 4632d05eeeec8083fb0c38c2d70eb822a2624ecb .................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:51:34,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:51:34,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:51:34,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:51:34,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:51:34,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:51:34,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:51:34,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:51:34,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:51:34,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:51:34,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:51:34,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:51:34,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:51:34,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:51:34,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:51:34,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:51:34,858 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:51:34,859 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:51:34,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:51:34,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:51:34,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:51:34,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:51:34,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:51:34,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:51:34,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:51:34,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:51:34,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:51:34,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:51:34,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:51:34,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:51:34,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:51:34,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:51:34,874 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:51:34,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:51:34,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:51:34,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:51:34,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:51:34,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:51:34,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:51:34,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:51:34,878 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:51:34,879 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_497ea344-bc78-4f9b-ba03-50e88e892323/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:51:34,892 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:51:34,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:51:34,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:51:34,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:51:34,893 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:51:34,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:51:34,894 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:51:34,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:51:34,894 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:51:34,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:51:34,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:51:34,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:51:34,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:51:34,895 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:51:34,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:51:34,895 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:51:34,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:51:34,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:51:34,896 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:51:34,896 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:51:34,896 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:51:34,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:51:34,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:51:34,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:51:34,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:51:34,897 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:51:34,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:51:34,897 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:51:34,897 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_497ea344-bc78-4f9b-ba03-50e88e892323/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 -> 4632d05eeeec8083fb0c38c2d70eb822a2624ecb [2019-11-25 08:51:35,027 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:51:35,037 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:51:35,040 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:51:35,041 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:51:35,042 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:51:35,042 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_497ea344-bc78-4f9b-ba03-50e88e892323/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1210.c [2019-11-25 08:51:35,091 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_497ea344-bc78-4f9b-ba03-50e88e892323/bin/uautomizer/data/147c9d186/88a431d6e3864b6ea5d86d3d0d26e337/FLAG28b1f9c4a [2019-11-25 08:51:35,517 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:51:35,518 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_497ea344-bc78-4f9b-ba03-50e88e892323/sv-benchmarks/c/float-newlib/double_req_bl_1210.c [2019-11-25 08:51:35,525 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_497ea344-bc78-4f9b-ba03-50e88e892323/bin/uautomizer/data/147c9d186/88a431d6e3864b6ea5d86d3d0d26e337/FLAG28b1f9c4a [2019-11-25 08:51:35,538 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_497ea344-bc78-4f9b-ba03-50e88e892323/bin/uautomizer/data/147c9d186/88a431d6e3864b6ea5d86d3d0d26e337 [2019-11-25 08:51:35,541 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:51:35,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:51:35,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:51:35,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:51:35,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:51:35,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:51:35" (1/1) ... [2019-11-25 08:51:35,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58a23bb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:35, skipping insertion in model container [2019-11-25 08:51:35,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:51:35" (1/1) ... [2019-11-25 08:51:35,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:51:35,590 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:51:35,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:51:35,816 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:51:35,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:51:35,863 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:51:35,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:35 WrapperNode [2019-11-25 08:51:35,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:51:35,864 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:51:35,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:51:35,864 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:51:35,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:35" (1/1) ... [2019-11-25 08:51:35,884 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:35" (1/1) ... [2019-11-25 08:51:35,912 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:51:35,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:51:35,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:51:35,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:51:35,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:35" (1/1) ... [2019-11-25 08:51:35,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:35" (1/1) ... [2019-11-25 08:51:35,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:35" (1/1) ... [2019-11-25 08:51:35,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:35" (1/1) ... [2019-11-25 08:51:35,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:35" (1/1) ... [2019-11-25 08:51:35,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:35" (1/1) ... [2019-11-25 08:51:35,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:35" (1/1) ... [2019-11-25 08:51:35,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:51:35,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:51:35,949 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:51:35,949 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:51:35,950 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_497ea344-bc78-4f9b-ba03-50e88e892323/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:51:36,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-25 08:51:36,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:51:36,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-25 08:51:36,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:51:36,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:51:36,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:51:36,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:51:36,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:51:36,576 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:51:36,576 INFO L284 CfgBuilder]: Removed 30 assume(true) statements. [2019-11-25 08:51:36,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:51:36 BoogieIcfgContainer [2019-11-25 08:51:36,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:51:36,578 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:51:36,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:51:36,581 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:51:36,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:51:35" (1/3) ... [2019-11-25 08:51:36,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78cd8a00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:51:36, skipping insertion in model container [2019-11-25 08:51:36,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:35" (2/3) ... [2019-11-25 08:51:36,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78cd8a00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:51:36, skipping insertion in model container [2019-11-25 08:51:36,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:51:36" (3/3) ... [2019-11-25 08:51:36,584 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1210.c [2019-11-25 08:51:36,593 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:51:36,599 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:51:36,609 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:51:36,634 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:51:36,634 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:51:36,636 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:51:36,636 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:51:36,636 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:51:36,636 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:51:36,636 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:51:36,637 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:51:36,653 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2019-11-25 08:51:36,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-25 08:51:36,658 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:36,659 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:36,659 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:36,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:36,664 INFO L82 PathProgramCache]: Analyzing trace with hash -1560975081, now seen corresponding path program 1 times [2019-11-25 08:51:36,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:36,670 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556810798] [2019-11-25 08:51:36,671 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:36,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:51:36,768 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556810798] [2019-11-25 08:51:36,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:36,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:51:36,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87415099] [2019-11-25 08:51:36,774 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:51:36,774 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:51:36,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:51:36,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:51:36,789 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2019-11-25 08:51:36,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:36,808 INFO L93 Difference]: Finished difference Result 86 states and 138 transitions. [2019-11-25 08:51:36,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:51:36,809 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2019-11-25 08:51:36,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:36,818 INFO L225 Difference]: With dead ends: 86 [2019-11-25 08:51:36,819 INFO L226 Difference]: Without dead ends: 41 [2019-11-25 08:51:36,821 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:51:36,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-11-25 08:51:36,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-11-25 08:51:36,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-11-25 08:51:36,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2019-11-25 08:51:36,854 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 46 transitions. Word has length 13 [2019-11-25 08:51:36,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:36,854 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 46 transitions. [2019-11-25 08:51:36,854 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:51:36,855 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2019-11-25 08:51:36,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-25 08:51:36,855 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:36,856 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:36,856 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:36,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:36,856 INFO L82 PathProgramCache]: Analyzing trace with hash -11965906, now seen corresponding path program 1 times [2019-11-25 08:51:36,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:36,857 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734812322] [2019-11-25 08:51:36,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:36,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:51:36,939 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734812322] [2019-11-25 08:51:36,939 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:36,939 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:51:36,939 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141738073] [2019-11-25 08:51:36,941 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:51:36,941 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:51:36,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:51:36,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:51:36,942 INFO L87 Difference]: Start difference. First operand 41 states and 46 transitions. Second operand 3 states. [2019-11-25 08:51:36,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:36,966 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2019-11-25 08:51:36,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:51:36,968 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2019-11-25 08:51:36,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:36,969 INFO L225 Difference]: With dead ends: 44 [2019-11-25 08:51:36,969 INFO L226 Difference]: Without dead ends: 41 [2019-11-25 08:51:36,970 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:51:36,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-11-25 08:51:36,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-11-25 08:51:36,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-11-25 08:51:36,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2019-11-25 08:51:36,975 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 15 [2019-11-25 08:51:36,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:36,975 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2019-11-25 08:51:36,976 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:51:36,976 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2019-11-25 08:51:36,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-25 08:51:36,978 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:36,978 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:36,978 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:36,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:36,979 INFO L82 PathProgramCache]: Analyzing trace with hash -371067880, now seen corresponding path program 1 times [2019-11-25 08:51:36,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:36,980 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469833403] [2019-11-25 08:51:36,980 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:37,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:37,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:37,108 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:51:37,108 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-25 08:51:37,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:51:37 BoogieIcfgContainer [2019-11-25 08:51:37,136 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:51:37,137 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:51:37,137 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:51:37,137 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:51:37,137 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:51:36" (3/4) ... [2019-11-25 08:51:37,140 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:51:37,140 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:51:37,142 INFO L168 Benchmark]: Toolchain (without parser) took 1599.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -118.4 MB). Peak memory consumption was 40.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:37,143 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:51:37,144 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -198.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:37,144 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:37,144 INFO L168 Benchmark]: Boogie Preprocessor took 36.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:51:37,145 INFO L168 Benchmark]: RCFGBuilder took 628.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.9 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:37,146 INFO L168 Benchmark]: TraceAbstraction took 557.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:37,146 INFO L168 Benchmark]: Witness Printer took 3.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:51:37,149 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 316.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -198.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 628.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.9 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 557.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 122]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 15, overapproximation of someBinaryArithmeticDOUBLEoperation at line 116, overapproximation of bitwiseAnd at line 33. Possible FailurePath: [L17] static const double one_modf = 1.0; VAL [one_modf=1] [L116] double x = 0.0 / 0.0; [L117] double iptr; [L20] __int32_t i0, i1, j0; [L21] __uint32_t i; VAL [one_modf=1] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (i0) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (i1) = ew_u.parts.lsw [L28] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [one_modf=1] [L29] COND TRUE j0 < 20 VAL [one_modf=1] [L30] COND TRUE j0 < 0 VAL [one_modf=1] [L32] ieee_double_shape_type iw_u; [L33] iw_u.parts.msw = (i0 & 0x80000000) [L34] iw_u.parts.lsw = (0) [L35] EXPR iw_u.value [L35] (*iptr) = iw_u.value [L37] return x; VAL [one_modf=1] [L118] double res = modf_double(x, &iptr); [L121] EXPR \read(iptr) [L15] return x != x; VAL [one_modf=1] [L121] isnan_double(iptr) && !isnan_double(res) [L15] return x != x; VAL [one_modf=1] [L121] isnan_double(iptr) && !isnan_double(res) VAL [one_modf=1] [L121] COND TRUE isnan_double(iptr) && !isnan_double(res) [L122] __VERIFIER_error() VAL [one_modf=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 44 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 95 SDtfs, 0 SDslu, 40 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 354 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-6b5699a [2019-11-25 08:51:38,832 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2019-11-25 08:51:38,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:51:38,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:51:38,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:51:38,882 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:51:38,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:51:38,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:51:38,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:51:38,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:51:38,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:51:38,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:51:38,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:51:38,886 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_497ea344-bc78-4f9b-ba03-50e88e892323/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 08:51:38,899 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:51:38,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:51:38,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:51:38,901 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:51:38,901 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:51:38,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:51:38,901 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:51:38,901 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:51:38,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:51:38,902 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:51:38,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:51:38,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:51:38,902 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 08:51:38,903 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 08:51:38,903 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 08:51:38,903 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:51:38,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:51:38,903 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:51:38,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:51:38,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:51:38,904 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:51:38,904 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:51:38,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:51:38,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:51:38,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:51:38,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:51:38,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:51:38,906 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 08:51:38,906 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 08:51:38,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:51:38,906 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 08:51:38,907 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_497ea344-bc78-4f9b-ba03-50e88e892323/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 -> 4632d05eeeec8083fb0c38c2d70eb822a2624ecb [2019-11-25 08:51:39,236 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:51:39,246 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:51:39,257 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:51:39,258 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:51:39,258 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:51:39,259 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_497ea344-bc78-4f9b-ba03-50e88e892323/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1210.c [2019-11-25 08:51:39,321 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_497ea344-bc78-4f9b-ba03-50e88e892323/bin/uautomizer/data/f6a18831a/363b41b63a6a4d34a47f600d6f63fd91/FLAG0d48b046f [2019-11-25 08:51:39,723 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:51:39,724 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_497ea344-bc78-4f9b-ba03-50e88e892323/sv-benchmarks/c/float-newlib/double_req_bl_1210.c [2019-11-25 08:51:39,730 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_497ea344-bc78-4f9b-ba03-50e88e892323/bin/uautomizer/data/f6a18831a/363b41b63a6a4d34a47f600d6f63fd91/FLAG0d48b046f [2019-11-25 08:51:40,141 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_497ea344-bc78-4f9b-ba03-50e88e892323/bin/uautomizer/data/f6a18831a/363b41b63a6a4d34a47f600d6f63fd91 [2019-11-25 08:51:40,144 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:51:40,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:51:40,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:51:40,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:51:40,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:51:40,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:51:40" (1/1) ... [2019-11-25 08:51:40,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c82cf8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:40, skipping insertion in model container [2019-11-25 08:51:40,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:51:40" (1/1) ... [2019-11-25 08:51:40,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:51:40,194 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:51:40,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:51:40,387 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:51:40,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:51:40,496 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:51:40,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:40 WrapperNode [2019-11-25 08:51:40,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:51:40,497 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:51:40,497 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:51:40,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:51:40,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:40" (1/1) ... [2019-11-25 08:51:40,517 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:40" (1/1) ... [2019-11-25 08:51:40,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:51:40,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:51:40,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:51:40,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:51:40,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:40" (1/1) ... [2019-11-25 08:51:40,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:40" (1/1) ... [2019-11-25 08:51:40,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:40" (1/1) ... [2019-11-25 08:51:40,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:40" (1/1) ... [2019-11-25 08:51:40,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:40" (1/1) ... [2019-11-25 08:51:40,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:40" (1/1) ... [2019-11-25 08:51:40,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:40" (1/1) ... [2019-11-25 08:51:40,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:51:40,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:51:40,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:51:40,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:51:40,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_497ea344-bc78-4f9b-ba03-50e88e892323/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:51:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-25 08:51:40,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-25 08:51:40,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:51:40,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-25 08:51:40,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:51:40,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:51:40,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-25 08:51:40,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:51:41,546 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:51:41,546 INFO L284 CfgBuilder]: Removed 30 assume(true) statements. [2019-11-25 08:51:41,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:51:41 BoogieIcfgContainer [2019-11-25 08:51:41,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:51:41,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:51:41,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:51:41,551 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:51:41,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:51:40" (1/3) ... [2019-11-25 08:51:41,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65df937b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:51:41, skipping insertion in model container [2019-11-25 08:51:41,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:40" (2/3) ... [2019-11-25 08:51:41,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65df937b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:51:41, skipping insertion in model container [2019-11-25 08:51:41,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:51:41" (3/3) ... [2019-11-25 08:51:41,554 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1210.c [2019-11-25 08:51:41,563 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:51:41,568 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:51:41,578 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:51:41,599 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:51:41,599 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:51:41,600 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:51:41,600 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:51:41,600 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:51:41,600 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:51:41,601 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:51:41,601 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:51:41,612 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2019-11-25 08:51:41,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-25 08:51:41,618 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:41,619 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:41,619 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:41,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:41,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1560975081, now seen corresponding path program 1 times [2019-11-25 08:51:41,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:51:41,634 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1210919686] [2019-11-25 08:51:41,634 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_497ea344-bc78-4f9b-ba03-50e88e892323/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-25 08:51:41,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:41,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-25 08:51:41,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:51:41,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:51:41,781 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:51:41,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:51:41,792 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1210919686] [2019-11-25 08:51:41,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:41,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-25 08:51:41,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76878977] [2019-11-25 08:51:41,798 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:51:41,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:51:41,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:51:41,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:51:41,813 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2019-11-25 08:51:41,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:41,830 INFO L93 Difference]: Finished difference Result 86 states and 138 transitions. [2019-11-25 08:51:41,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:51:41,831 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2019-11-25 08:51:41,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:41,849 INFO L225 Difference]: With dead ends: 86 [2019-11-25 08:51:41,849 INFO L226 Difference]: Without dead ends: 41 [2019-11-25 08:51:41,852 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:51:41,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-11-25 08:51:41,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-11-25 08:51:41,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-11-25 08:51:41,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2019-11-25 08:51:41,884 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 46 transitions. Word has length 13 [2019-11-25 08:51:41,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:41,884 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 46 transitions. [2019-11-25 08:51:41,884 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:51:41,884 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2019-11-25 08:51:41,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-25 08:51:41,885 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:41,885 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:42,086 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-25 08:51:42,086 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:42,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:42,087 INFO L82 PathProgramCache]: Analyzing trace with hash -11965906, now seen corresponding path program 1 times [2019-11-25 08:51:42,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:51:42,089 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2068910439] [2019-11-25 08:51:42,089 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_497ea344-bc78-4f9b-ba03-50e88e892323/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-25 08:51:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:42,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-25 08:51:42,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:51:42,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:51:42,368 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:51:42,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:51:42,536 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2068910439] [2019-11-25 08:51:42,536 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:42,536 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-25 08:51:42,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505749823] [2019-11-25 08:51:42,538 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-25 08:51:42,538 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:51:42,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-25 08:51:42,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:51:42,539 INFO L87 Difference]: Start difference. First operand 41 states and 46 transitions. Second operand 8 states. [2019-11-25 08:51:43,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:43,279 INFO L93 Difference]: Finished difference Result 48 states and 53 transitions. [2019-11-25 08:51:43,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:51:43,281 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2019-11-25 08:51:43,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:43,282 INFO L225 Difference]: With dead ends: 48 [2019-11-25 08:51:43,282 INFO L226 Difference]: Without dead ends: 19 [2019-11-25 08:51:43,283 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-11-25 08:51:43,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-25 08:51:43,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-25 08:51:43,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-25 08:51:43,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2019-11-25 08:51:43,288 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 15 [2019-11-25 08:51:43,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:43,288 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2019-11-25 08:51:43,288 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-25 08:51:43,288 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2019-11-25 08:51:43,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-25 08:51:43,289 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:43,289 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:43,490 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-25 08:51:43,490 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:43,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:43,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1834889353, now seen corresponding path program 1 times [2019-11-25 08:51:43,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:51:43,492 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [613713752] [2019-11-25 08:51:43,492 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_497ea344-bc78-4f9b-ba03-50e88e892323/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-25 08:51:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:43,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:51:43,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:51:43,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:51:43,840 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:51:43,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:51:43,842 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [613713752] [2019-11-25 08:51:43,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:43,842 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-11-25 08:51:43,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389332029] [2019-11-25 08:51:43,843 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:51:43,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:51:43,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:51:43,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:51:43,844 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 3 states. [2019-11-25 08:51:43,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:43,870 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2019-11-25 08:51:43,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:51:43,870 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-25 08:51:43,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:43,871 INFO L225 Difference]: With dead ends: 22 [2019-11-25 08:51:43,871 INFO L226 Difference]: Without dead ends: 19 [2019-11-25 08:51:43,872 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:51:43,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-25 08:51:43,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-25 08:51:43,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-25 08:51:43,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2019-11-25 08:51:43,876 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 17 [2019-11-25 08:51:43,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:43,876 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2019-11-25 08:51:43,876 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:51:43,876 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2019-11-25 08:51:43,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-25 08:51:43,877 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:43,877 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:44,077 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-25 08:51:44,078 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:44,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:44,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1046870301, now seen corresponding path program 1 times [2019-11-25 08:51:44,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:51:44,079 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1961913388] [2019-11-25 08:51:44,079 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_497ea344-bc78-4f9b-ba03-50e88e892323/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-25 08:51:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:45,000 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-25 08:51:45,000 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-25 08:51:45,201 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-25 08:51:45,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:51:45 BoogieIcfgContainer [2019-11-25 08:51:45,252 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:51:45,252 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:51:45,253 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:51:45,253 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:51:45,253 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:51:41" (3/4) ... [2019-11-25 08:51:45,255 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-25 08:51:45,341 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_497ea344-bc78-4f9b-ba03-50e88e892323/bin/uautomizer/witness.graphml [2019-11-25 08:51:45,346 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:51:45,348 INFO L168 Benchmark]: Toolchain (without parser) took 5202.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 957.8 MB in the beginning and 936.7 MB in the end (delta: 21.1 MB). Peak memory consumption was 120.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:45,349 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:51:45,349 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 957.8 MB in the beginning and 1.1 GB in the end (delta: -131.0 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:45,349 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.69 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:51:45,350 INFO L168 Benchmark]: Boogie Preprocessor took 59.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:45,350 INFO L168 Benchmark]: RCFGBuilder took 942.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 32.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:45,351 INFO L168 Benchmark]: TraceAbstraction took 3703.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 936.7 MB in the end (delta: 112.5 MB). Peak memory consumption was 112.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:45,351 INFO L168 Benchmark]: Witness Printer took 93.56 ms. Allocated memory is still 1.1 GB. Free memory is still 936.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:51:45,353 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 350.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 957.8 MB in the beginning and 1.1 GB in the end (delta: -131.0 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.69 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 942.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 32.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3703.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 936.7 MB in the end (delta: 112.5 MB). Peak memory consumption was 112.5 MB. Max. memory is 11.5 GB. * Witness Printer took 93.56 ms. Allocated memory is still 1.1 GB. Free memory is still 936.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 122]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L17] static const double one_modf = 1.0; VAL [one_modf=1.0] [L116] double x = 0.0 / 0.0; [L117] double iptr; [L20] __int32_t i0, i1, j0; [L21] __uint32_t i; VAL [one_modf=1.0] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (i0) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (i1) = ew_u.parts.lsw [L28] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [one_modf=1.0] [L29] COND FALSE !(j0 < 20) VAL [one_modf=1.0] [L65] COND TRUE j0 > 51 [L66] __uint32_t high; [L67] *iptr = x * one_modf VAL [one_modf=1.0] [L69] ieee_double_shape_type gh_u; [L70] gh_u.value = (x) [L71] EXPR gh_u.parts.msw [L71] (high) = gh_u.parts.msw [L74] ieee_double_shape_type iw_u; [L75] iw_u.parts.msw = (high & 0x80000000) [L76] iw_u.parts.lsw = (0) [L77] EXPR iw_u.value [L77] (x) = iw_u.value [L79] return x; VAL [one_modf=1.0] [L118] double res = modf_double(x, &iptr); [L121] EXPR \read(iptr) [L15] return x != x; VAL [one_modf=1.0] [L121] isnan_double(iptr) && !isnan_double(res) [L15] return x != x; VAL [one_modf=1.0] [L121] isnan_double(iptr) && !isnan_double(res) VAL [one_modf=1.0] [L121] COND TRUE isnan_double(iptr) && !isnan_double(res) [L122] __VERIFIER_error() VAL [one_modf=1.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 44 locations, 1 error locations. Result: UNSAFE, OverallTime: 3.6s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 82 SDtfs, 50 SDslu, 35 SDs, 0 SdLazy, 18 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 84 ConstructedInterpolants, 5 QuantifiedInterpolants, 2708 SizeOfPredicates, 8 NumberOfNonLiveVariables, 174 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...