./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0971.c --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_c32ac53c-f04b-4cbd-b2bf-b099e6fd44c2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c32ac53c-f04b-4cbd-b2bf-b099e6fd44c2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c32ac53c-f04b-4cbd-b2bf-b099e6fd44c2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c32ac53c-f04b-4cbd-b2bf-b099e6fd44c2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0971.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c32ac53c-f04b-4cbd-b2bf-b099e6fd44c2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c32ac53c-f04b-4cbd-b2bf-b099e6fd44c2/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 6017db04fd0c3d76a17184976602c114f74dffa4 ............................................................................................................................................................................................................................................................................................. 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_c32ac53c-f04b-4cbd-b2bf-b099e6fd44c2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c32ac53c-f04b-4cbd-b2bf-b099e6fd44c2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c32ac53c-f04b-4cbd-b2bf-b099e6fd44c2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c32ac53c-f04b-4cbd-b2bf-b099e6fd44c2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0971.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c32ac53c-f04b-4cbd-b2bf-b099e6fd44c2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c32ac53c-f04b-4cbd-b2bf-b099e6fd44c2/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 6017db04fd0c3d76a17184976602c114f74dffa4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 14:50:18,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:50:18,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:50:18,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:50:18,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:50:18,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:50:18,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:50:18,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:50:18,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:50:18,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:50:18,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:50:18,273 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:50:18,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:50:18,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:50:18,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:50:18,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:50:18,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:50:18,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:50:18,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:50:18,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:50:18,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:50:18,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:50:18,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:50:18,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:50:18,284 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:50:18,284 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:50:18,284 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:50:18,285 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:50:18,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:50:18,286 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:50:18,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:50:18,286 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:50:18,287 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:50:18,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:50:18,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:50:18,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:50:18,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:50:18,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:50:18,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:50:18,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:50:18,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:50:18,290 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c32ac53c-f04b-4cbd-b2bf-b099e6fd44c2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 14:50:18,299 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:50:18,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:50:18,300 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:50:18,301 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:50:18,301 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:50:18,301 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:50:18,301 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:50:18,301 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:50:18,301 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:50:18,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:50:18,301 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:50:18,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:50:18,302 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:50:18,302 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:50:18,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:50:18,302 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:50:18,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:50:18,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:50:18,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:50:18,303 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:50:18,303 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:50:18,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:50:18,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:50:18,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:50:18,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:50:18,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 14:50:18,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:50:18,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:50:18,304 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:50:18,304 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_c32ac53c-f04b-4cbd-b2bf-b099e6fd44c2/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 -> 6017db04fd0c3d76a17184976602c114f74dffa4 [2019-12-07 14:50:18,402 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:50:18,409 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:50:18,412 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:50:18,412 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:50:18,413 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:50:18,413 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c32ac53c-f04b-4cbd-b2bf-b099e6fd44c2/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0971.c [2019-12-07 14:50:18,449 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c32ac53c-f04b-4cbd-b2bf-b099e6fd44c2/bin/uautomizer/data/8ad1a0521/631f4885084b475ab1609c7e0d35d0bf/FLAGd4f14d723 [2019-12-07 14:50:18,887 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:50:18,887 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c32ac53c-f04b-4cbd-b2bf-b099e6fd44c2/sv-benchmarks/c/float-newlib/float_req_bl_0971.c [2019-12-07 14:50:18,892 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c32ac53c-f04b-4cbd-b2bf-b099e6fd44c2/bin/uautomizer/data/8ad1a0521/631f4885084b475ab1609c7e0d35d0bf/FLAGd4f14d723 [2019-12-07 14:50:18,901 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c32ac53c-f04b-4cbd-b2bf-b099e6fd44c2/bin/uautomizer/data/8ad1a0521/631f4885084b475ab1609c7e0d35d0bf [2019-12-07 14:50:18,902 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:50:18,903 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:50:18,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:50:18,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:50:18,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:50:18,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:50:18" (1/1) ... [2019-12-07 14:50:18,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6342ce07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:50:18, skipping insertion in model container [2019-12-07 14:50:18,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:50:18" (1/1) ... [2019-12-07 14:50:18,914 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:50:18,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:50:19,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:50:19,090 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:50:19,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:50:19,132 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:50:19,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:50:19 WrapperNode [2019-12-07 14:50:19,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:50:19,132 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:50:19,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:50:19,133 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:50:19,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:50:19" (1/1) ... [2019-12-07 14:50:19,145 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:50:19" (1/1) ... [2019-12-07 14:50:19,164 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:50:19,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:50:19,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:50:19,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:50:19,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:50:19" (1/1) ... [2019-12-07 14:50:19,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:50:19" (1/1) ... [2019-12-07 14:50:19,174 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:50:19" (1/1) ... [2019-12-07 14:50:19,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:50:19" (1/1) ... [2019-12-07 14:50:19,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:50:19" (1/1) ... [2019-12-07 14:50:19,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:50:19" (1/1) ... [2019-12-07 14:50:19,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:50:19" (1/1) ... [2019-12-07 14:50:19,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:50:19,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:50:19,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:50:19,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:50:19,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:50:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c32ac53c-f04b-4cbd-b2bf-b099e6fd44c2/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 [2019-12-07 14:50:19,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:50:19,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 14:50:19,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 14:50:19,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 14:50:19,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:50:19,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:50:19,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 14:50:19,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 14:50:19,466 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:50:19,466 INFO L287 CfgBuilder]: Removed 22 assume(true) statements. [2019-12-07 14:50:19,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:50:19 BoogieIcfgContainer [2019-12-07 14:50:19,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:50:19,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:50:19,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:50:19,469 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:50:19,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:50:18" (1/3) ... [2019-12-07 14:50:19,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50336abd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:50:19, skipping insertion in model container [2019-12-07 14:50:19,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:50:19" (2/3) ... [2019-12-07 14:50:19,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50336abd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:50:19, skipping insertion in model container [2019-12-07 14:50:19,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:50:19" (3/3) ... [2019-12-07 14:50:19,471 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0971.c [2019-12-07 14:50:19,478 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:50:19,482 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 14:50:19,489 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 14:50:19,504 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:50:19,504 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:50:19,504 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:50:19,504 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:50:19,504 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:50:19,504 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:50:19,504 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:50:19,504 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:50:19,514 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2019-12-07 14:50:19,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 14:50:19,518 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:50:19,519 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:50:19,519 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:50:19,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:50:19,523 INFO L82 PathProgramCache]: Analyzing trace with hash -1902195216, now seen corresponding path program 1 times [2019-12-07 14:50:19,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:50:19,529 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377090893] [2019-12-07 14:50:19,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:50:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:50:19,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:50:19,624 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377090893] [2019-12-07 14:50:19,624 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:50:19,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 14:50:19,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036705711] [2019-12-07 14:50:19,629 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 14:50:19,629 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:50:19,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 14:50:19,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:50:19,639 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2019-12-07 14:50:19,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:50:19,655 INFO L93 Difference]: Finished difference Result 86 states and 140 transitions. [2019-12-07 14:50:19,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 14:50:19,656 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-12-07 14:50:19,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:50:19,663 INFO L225 Difference]: With dead ends: 86 [2019-12-07 14:50:19,664 INFO L226 Difference]: Without dead ends: 41 [2019-12-07 14:50:19,666 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 [2019-12-07 14:50:19,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-12-07 14:50:19,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-12-07 14:50:19,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-12-07 14:50:19,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions. [2019-12-07 14:50:19,691 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 55 transitions. Word has length 9 [2019-12-07 14:50:19,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:50:19,691 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 55 transitions. [2019-12-07 14:50:19,691 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 14:50:19,691 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2019-12-07 14:50:19,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 14:50:19,692 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:50:19,692 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:50:19,692 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:50:19,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:50:19,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1486155597, now seen corresponding path program 1 times [2019-12-07 14:50:19,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:50:19,693 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830450759] [2019-12-07 14:50:19,693 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:50:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:50:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:50:19,752 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:50:19,752 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 14:50:19,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:50:19 BoogieIcfgContainer [2019-12-07 14:50:19,775 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:50:19,775 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:50:19,775 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:50:19,776 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:50:19,776 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:50:19" (3/4) ... [2019-12-07 14:50:19,778 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 14:50:19,778 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:50:19,780 INFO L168 Benchmark]: Toolchain (without parser) took 875.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 946.3 MB in the beginning and 1.0 GB in the end (delta: -77.4 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2019-12-07 14:50:19,780 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:50:19,780 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -139.5 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:50:19,781 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.07 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. [2019-12-07 14:50:19,781 INFO L168 Benchmark]: Boogie Preprocessor took 24.14 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. [2019-12-07 14:50:19,781 INFO L168 Benchmark]: RCFGBuilder took 277.75 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: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2019-12-07 14:50:19,782 INFO L168 Benchmark]: TraceAbstraction took 307.82 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: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. [2019-12-07 14:50:19,782 INFO L168 Benchmark]: Witness Printer took 2.74 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:50:19,784 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 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 228.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -139.5 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.07 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 24.14 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. * RCFGBuilder took 277.75 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: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 307.82 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: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. * Witness Printer took 2.74 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 158]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 144, overapproximation of someBinaryArithmeticFLOAToperation at line 116, overapproximation of bitwiseAnd at line 115. Possible FailurePath: [L11-L15] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L17] static const float zero_log = 0.0; [L97-L100] static const float two25_log10 = 3.3554432000e+07, ivln10_log10 = 4.3429449201e-01, log10_2hi_log10 = 3.0102920532e-01, log10_2lo_log10 = 7.9034151668e-07; [L102] static const float zero = 0.0; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L153] float x = 0.0f / 0.0f; [L105] float y, z; [L106] __int32_t i, k, hx; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L109] ieee_float_shape_type gf_u; [L110] gf_u.value = (x) [L111] EXPR gf_u.word [L111] (hx) = gf_u.word [L114] k = 0 VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L115] COND TRUE ((hx & 0x7fffffff) == 0) [L116] return -two25_log10 / zero; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L154] float res = __ieee754_log10f(x); [L144] return x != x; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L157] COND TRUE !isnan_float(res) [L158] __VERIFIER_error() VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 44 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 58 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 0.1.25-f470102 [2019-12-07 14:50:21,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:50:21,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:50:21,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:50:21,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:50:21,157 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:50:21,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:50:21,159 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:50:21,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:50:21,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:50:21,161 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:50:21,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:50:21,162 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:50:21,163 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:50:21,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:50:21,164 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:50:21,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:50:21,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:50:21,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:50:21,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:50:21,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:50:21,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:50:21,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:50:21,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:50:21,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:50:21,174 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:50:21,174 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:50:21,175 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:50:21,175 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:50:21,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:50:21,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:50:21,176 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:50:21,177 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:50:21,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:50:21,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:50:21,178 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:50:21,179 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:50:21,179 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:50:21,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:50:21,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:50:21,180 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:50:21,180 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c32ac53c-f04b-4cbd-b2bf-b099e6fd44c2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 14:50:21,190 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:50:21,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:50:21,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:50:21,192 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:50:21,192 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:50:21,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:50:21,192 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:50:21,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:50:21,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:50:21,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:50:21,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:50:21,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:50:21,193 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 14:50:21,193 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 14:50:21,193 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:50:21,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:50:21,193 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:50:21,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:50:21,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:50:21,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:50:21,194 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:50:21,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:50:21,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:50:21,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:50:21,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:50:21,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:50:21,195 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 14:50:21,195 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 14:50:21,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:50:21,195 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:50:21,195 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:50:21,195 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_c32ac53c-f04b-4cbd-b2bf-b099e6fd44c2/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 -> 6017db04fd0c3d76a17184976602c114f74dffa4 [2019-12-07 14:50:21,367 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:50:21,375 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:50:21,377 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:50:21,378 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:50:21,379 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:50:21,379 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c32ac53c-f04b-4cbd-b2bf-b099e6fd44c2/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0971.c [2019-12-07 14:50:21,416 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c32ac53c-f04b-4cbd-b2bf-b099e6fd44c2/bin/uautomizer/data/807e06511/be4967a20d3641e7beac1dab97488ed7/FLAG4b18cda0a [2019-12-07 14:50:21,774 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:50:21,774 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c32ac53c-f04b-4cbd-b2bf-b099e6fd44c2/sv-benchmarks/c/float-newlib/float_req_bl_0971.c [2019-12-07 14:50:21,780 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c32ac53c-f04b-4cbd-b2bf-b099e6fd44c2/bin/uautomizer/data/807e06511/be4967a20d3641e7beac1dab97488ed7/FLAG4b18cda0a [2019-12-07 14:50:21,790 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c32ac53c-f04b-4cbd-b2bf-b099e6fd44c2/bin/uautomizer/data/807e06511/be4967a20d3641e7beac1dab97488ed7 [2019-12-07 14:50:21,792 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:50:21,792 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:50:21,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:50:21,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:50:21,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:50:21,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:50:21" (1/1) ... [2019-12-07 14:50:21,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41944eff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:50:21, skipping insertion in model container [2019-12-07 14:50:21,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:50:21" (1/1) ... [2019-12-07 14:50:21,802 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:50:21,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:50:21,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:50:21,967 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:50:22,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:50:22,049 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:50:22,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:50:22 WrapperNode [2019-12-07 14:50:22,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:50:22,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:50:22,050 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:50:22,050 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:50:22,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:50:22" (1/1) ... [2019-12-07 14:50:22,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:50:22" (1/1) ... [2019-12-07 14:50:22,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:50:22,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:50:22,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:50:22,085 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:50:22,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:50:22" (1/1) ... [2019-12-07 14:50:22,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:50:22" (1/1) ... [2019-12-07 14:50:22,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:50:22" (1/1) ... [2019-12-07 14:50:22,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:50:22" (1/1) ... [2019-12-07 14:50:22,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:50:22" (1/1) ... [2019-12-07 14:50:22,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:50:22" (1/1) ... [2019-12-07 14:50:22,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:50:22" (1/1) ... [2019-12-07 14:50:22,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:50:22,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:50:22,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:50:22,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:50:22,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:50:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c32ac53c-f04b-4cbd-b2bf-b099e6fd44c2/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 [2019-12-07 14:50:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:50:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-12-07 14:50:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 14:50:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:50:22,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:50:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-12-07 14:50:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 14:50:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 14:50:36,410 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:50:36,410 INFO L287 CfgBuilder]: Removed 22 assume(true) statements. [2019-12-07 14:50:36,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:50:36 BoogieIcfgContainer [2019-12-07 14:50:36,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:50:36,413 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:50:36,413 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:50:36,414 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:50:36,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:50:21" (1/3) ... [2019-12-07 14:50:36,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a6b5c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:50:36, skipping insertion in model container [2019-12-07 14:50:36,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:50:22" (2/3) ... [2019-12-07 14:50:36,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a6b5c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:50:36, skipping insertion in model container [2019-12-07 14:50:36,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:50:36" (3/3) ... [2019-12-07 14:50:36,416 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0971.c [2019-12-07 14:50:36,422 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:50:36,427 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 14:50:36,434 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 14:50:36,449 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:50:36,450 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:50:36,450 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:50:36,450 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:50:36,450 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:50:36,450 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:50:36,450 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:50:36,450 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:50:36,461 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2019-12-07 14:50:36,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 14:50:36,465 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:50:36,465 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:50:36,466 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:50:36,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:50:36,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1902195216, now seen corresponding path program 1 times [2019-12-07 14:50:36,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 14:50:36,477 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [923192974] [2019-12-07 14:50:36,477 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c32ac53c-f04b-4cbd-b2bf-b099e6fd44c2/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 [2019-12-07 14:50:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:50:37,041 INFO L264 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 14:50:37,045 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:50:37,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:50:37,055 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:50:37,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:50:37,059 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [923192974] [2019-12-07 14:50:37,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:50:37,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 14:50:37,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822283387] [2019-12-07 14:50:37,064 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 14:50:37,064 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 14:50:37,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 14:50:37,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:50:37,076 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2019-12-07 14:50:37,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:50:37,091 INFO L93 Difference]: Finished difference Result 86 states and 140 transitions. [2019-12-07 14:50:37,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 14:50:37,092 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-12-07 14:50:37,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:50:37,100 INFO L225 Difference]: With dead ends: 86 [2019-12-07 14:50:37,100 INFO L226 Difference]: Without dead ends: 41 [2019-12-07 14:50:37,102 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:50:37,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-12-07 14:50:37,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-12-07 14:50:37,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-12-07 14:50:37,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions. [2019-12-07 14:50:37,128 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 55 transitions. Word has length 9 [2019-12-07 14:50:37,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:50:37,128 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 55 transitions. [2019-12-07 14:50:37,128 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 14:50:37,128 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2019-12-07 14:50:37,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 14:50:37,128 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:50:37,128 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:50:37,329 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 14:50:37,330 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:50:37,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:50:37,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1486155597, now seen corresponding path program 1 times [2019-12-07 14:50:37,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 14:50:37,333 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [112002144] [2019-12-07 14:50:37,333 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c32ac53c-f04b-4cbd-b2bf-b099e6fd44c2/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 [2019-12-07 14:50:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:50:37,933 INFO L264 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 14:50:37,935 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:50:37,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:50:37,989 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:50:38,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:50:38,029 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [112002144] [2019-12-07 14:50:38,029 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:50:38,029 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 14:50:38,030 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962054431] [2019-12-07 14:50:38,031 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 14:50:38,031 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 14:50:38,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 14:50:38,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 14:50:38,032 INFO L87 Difference]: Start difference. First operand 41 states and 55 transitions. Second operand 6 states. [2019-12-07 14:50:38,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:50:38,646 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2019-12-07 14:50:38,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 14:50:38,647 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-12-07 14:50:38,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:50:38,647 INFO L225 Difference]: With dead ends: 51 [2019-12-07 14:50:38,648 INFO L226 Difference]: Without dead ends: 46 [2019-12-07 14:50:38,648 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2019-12-07 14:50:38,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-12-07 14:50:38,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 41. [2019-12-07 14:50:38,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-12-07 14:50:38,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 54 transitions. [2019-12-07 14:50:38,655 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 54 transitions. Word has length 10 [2019-12-07 14:50:38,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:50:38,655 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 54 transitions. [2019-12-07 14:50:38,655 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 14:50:38,655 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions. [2019-12-07 14:50:38,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 14:50:38,656 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:50:38,656 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:50:38,857 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 14:50:38,858 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:50:38,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:50:38,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1244066674, now seen corresponding path program 1 times [2019-12-07 14:50:38,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 14:50:38,860 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [471884535] [2019-12-07 14:50:38,861 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c32ac53c-f04b-4cbd-b2bf-b099e6fd44c2/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 [2019-12-07 14:50:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:50:39,459 INFO L264 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-07 14:50:39,460 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:50:39,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:50:39,532 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:50:44,141 WARN L192 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2019-12-07 14:50:44,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:50:44,153 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [471884535] [2019-12-07 14:50:44,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:50:44,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-12-07 14:50:44,154 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524746840] [2019-12-07 14:50:44,154 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 14:50:44,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 14:50:44,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 14:50:44,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-12-07 14:50:44,155 INFO L87 Difference]: Start difference. First operand 41 states and 54 transitions. Second operand 10 states. [2019-12-07 14:51:07,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:51:07,569 INFO L93 Difference]: Finished difference Result 52 states and 63 transitions. [2019-12-07 14:51:07,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 14:51:07,603 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 11 [2019-12-07 14:51:07,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:51:07,604 INFO L225 Difference]: With dead ends: 52 [2019-12-07 14:51:07,604 INFO L226 Difference]: Without dead ends: 47 [2019-12-07 14:51:07,605 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2019-12-07 14:51:07,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-12-07 14:51:07,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 41. [2019-12-07 14:51:07,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-12-07 14:51:07,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 52 transitions. [2019-12-07 14:51:07,611 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 52 transitions. Word has length 11 [2019-12-07 14:51:07,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:51:07,611 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 52 transitions. [2019-12-07 14:51:07,611 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 14:51:07,611 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2019-12-07 14:51:07,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 14:51:07,612 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:51:07,612 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:51:07,813 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 14:51:07,814 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:51:07,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:51:07,815 INFO L82 PathProgramCache]: Analyzing trace with hash -256490092, now seen corresponding path program 1 times [2019-12-07 14:51:07,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 14:51:07,816 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [446285904] [2019-12-07 14:51:07,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c32ac53c-f04b-4cbd-b2bf-b099e6fd44c2/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 [2019-12-07 14:51:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:51:08,612 INFO L264 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 14:51:08,615 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:51:08,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:51:08,690 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:51:08,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:51:08,765 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [446285904] [2019-12-07 14:51:08,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:51:08,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 14:51:08,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810733482] [2019-12-07 14:51:08,766 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 14:51:08,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 14:51:08,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 14:51:08,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-07 14:51:08,767 INFO L87 Difference]: Start difference. First operand 41 states and 52 transitions. Second operand 8 states. [2019-12-07 14:51:08,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:51:08,856 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2019-12-07 14:51:08,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 14:51:08,857 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2019-12-07 14:51:08,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:51:08,857 INFO L225 Difference]: With dead ends: 41 [2019-12-07 14:51:08,857 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 14:51:08,857 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-12-07 14:51:08,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 14:51:08,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 14:51:08,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 14:51:08,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 14:51:08,858 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2019-12-07 14:51:08,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:51:08,858 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:51:08,858 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 14:51:08,858 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 14:51:08,859 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 14:51:09,059 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 14:51:09,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 14:51:09,332 INFO L242 CegarLoopResult]: At program point L93(lines 19 95) the Hoare annotation is: false [2019-12-07 14:51:09,333 INFO L246 CegarLoopResult]: For program point L36(lines 36 44) no Hoare annotation was computed. [2019-12-07 14:51:09,333 INFO L246 CegarLoopResult]: For program point L36-1(lines 36 44) no Hoare annotation was computed. [2019-12-07 14:51:09,333 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 14:51:09,333 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 14:51:09,333 INFO L246 CegarLoopResult]: For program point L119(lines 119 120) no Hoare annotation was computed. [2019-12-07 14:51:09,333 INFO L242 CegarLoopResult]: At program point L144(line 144) the Hoare annotation is: (and (not (= (_ bv0 32) (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_log10f_~hx~0))) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (= ~zero~0 ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) (= ULTIMATE.start___ieee754_log10f_~x (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))) (= |ULTIMATE.start___ieee754_log10f_#res| (fp.div roundNearestTiesToEven (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse0 .cse0)) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)))) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 14:51:09,333 INFO L249 CegarLoopResult]: At program point L162(lines 146 163) the Hoare annotation is: true [2019-12-07 14:51:09,333 INFO L246 CegarLoopResult]: For program point L30(lines 30 31) no Hoare annotation was computed. [2019-12-07 14:51:09,333 INFO L246 CegarLoopResult]: For program point L121(lines 121 129) no Hoare annotation was computed. [2019-12-07 14:51:09,334 INFO L246 CegarLoopResult]: For program point L121-1(lines 121 129) no Hoare annotation was computed. [2019-12-07 14:51:09,334 INFO L246 CegarLoopResult]: For program point L55(lines 55 71) no Hoare annotation was computed. [2019-12-07 14:51:09,334 INFO L246 CegarLoopResult]: For program point L39-1(lines 39 43) no Hoare annotation was computed. [2019-12-07 14:51:09,334 INFO L242 CegarLoopResult]: At program point L39-2(lines 39 43) the Hoare annotation is: false [2019-12-07 14:51:09,334 INFO L246 CegarLoopResult]: For program point L56(lines 56 63) no Hoare annotation was computed. [2019-12-07 14:51:09,334 INFO L246 CegarLoopResult]: For program point L23-1(lines 23 27) no Hoare annotation was computed. [2019-12-07 14:51:09,334 INFO L242 CegarLoopResult]: At program point L23-2(lines 23 27) the Hoare annotation is: false [2019-12-07 14:51:09,334 INFO L246 CegarLoopResult]: For program point L23-3(lines 23 27) no Hoare annotation was computed. [2019-12-07 14:51:09,334 INFO L246 CegarLoopResult]: For program point L48-1(lines 48 52) no Hoare annotation was computed. [2019-12-07 14:51:09,334 INFO L242 CegarLoopResult]: At program point L48-2(lines 48 52) the Hoare annotation is: false [2019-12-07 14:51:09,334 INFO L246 CegarLoopResult]: For program point L48-3(lines 48 52) no Hoare annotation was computed. [2019-12-07 14:51:09,335 INFO L246 CegarLoopResult]: For program point L65(lines 65 70) no Hoare annotation was computed. [2019-12-07 14:51:09,335 INFO L246 CegarLoopResult]: For program point L32(lines 32 33) no Hoare annotation was computed. [2019-12-07 14:51:09,335 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 14:51:09,335 INFO L246 CegarLoopResult]: For program point L90(lines 90 93) no Hoare annotation was computed. [2019-12-07 14:51:09,335 INFO L246 CegarLoopResult]: For program point L57(lines 57 62) no Hoare annotation was computed. [2019-12-07 14:51:09,335 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2019-12-07 14:51:09,335 INFO L246 CegarLoopResult]: For program point L115(lines 115 116) no Hoare annotation was computed. [2019-12-07 14:51:09,335 INFO L246 CegarLoopResult]: For program point L82(lines 82 94) no Hoare annotation was computed. [2019-12-07 14:51:09,335 INFO L242 CegarLoopResult]: At program point L140(lines 104 141) the Hoare annotation is: (and (not (= (_ bv0 32) (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_log10f_~hx~0))) (= ~zero~0 ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) (= ULTIMATE.start___ieee754_log10f_~x (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))) (= |ULTIMATE.start___ieee754_log10f_#res| (fp.div roundNearestTiesToEven (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse0 .cse0)) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)))) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 14:51:09,335 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 14:51:09,336 INFO L246 CegarLoopResult]: For program point L157(lines 157 160) no Hoare annotation was computed. [2019-12-07 14:51:09,336 INFO L246 CegarLoopResult]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2019-12-07 14:51:09,336 INFO L242 CegarLoopResult]: At program point L124-2(lines 124 128) the Hoare annotation is: false [2019-12-07 14:51:09,336 INFO L246 CegarLoopResult]: For program point L108-1(lines 108 112) no Hoare annotation was computed. [2019-12-07 14:51:09,336 INFO L242 CegarLoopResult]: At program point L108-2(lines 108 112) the Hoare annotation is: (and (= ~zero~0 ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) (= ULTIMATE.start___ieee754_log10f_~x (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 14:51:09,336 INFO L246 CegarLoopResult]: For program point L108-3(lines 108 112) no Hoare annotation was computed. [2019-12-07 14:51:09,336 INFO L246 CegarLoopResult]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-12-07 14:51:09,336 INFO L246 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2019-12-07 14:51:09,336 INFO L246 CegarLoopResult]: For program point L117(lines 117 118) no Hoare annotation was computed. [2019-12-07 14:51:09,336 INFO L246 CegarLoopResult]: For program point L84(lines 84 88) no Hoare annotation was computed. [2019-12-07 14:51:09,336 INFO L246 CegarLoopResult]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2019-12-07 14:51:09,337 INFO L242 CegarLoopResult]: At program point L134-2(lines 134 138) the Hoare annotation is: false [2019-12-07 14:51:09,337 INFO L246 CegarLoopResult]: For program point L134-3(lines 134 138) no Hoare annotation was computed. [2019-12-07 14:51:09,343 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,345 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:51:09,345 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:51:09,345 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:51:09,347 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,347 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:51:09,347 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:51:09,347 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:51:09,348 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,348 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,348 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,348 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,349 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,349 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,349 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:51:09,349 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:51:09,349 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:51:09,350 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,350 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,350 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,350 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,350 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,350 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,351 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:51:09,351 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:51:09,351 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:51:09,351 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,351 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,352 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,352 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,352 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,352 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,352 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:51:09,352 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:51:09,352 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:51:09,353 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,353 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,353 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,353 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,353 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,353 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,354 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:51:09,354 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:51:09,354 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:51:09,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:51:09 BoogieIcfgContainer [2019-12-07 14:51:09,356 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:51:09,356 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:51:09,356 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:51:09,356 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:51:09,357 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:50:36" (3/4) ... [2019-12-07 14:51:09,360 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 14:51:09,369 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-12-07 14:51:09,369 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 14:51:09,370 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 14:51:09,388 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0bv32 == ~bvand32(2147483647bv32, hx)) && zero == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE())) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-12-07 14:51:09,388 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0bv32 == ~bvand32(2147483647bv32, hx)) && 1bv32 == \result) && zero == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE())) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-12-07 14:51:09,423 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c32ac53c-f04b-4cbd-b2bf-b099e6fd44c2/bin/uautomizer/witness.graphml [2019-12-07 14:51:09,423 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:51:09,424 INFO L168 Benchmark]: Toolchain (without parser) took 47632.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 952.4 MB in the beginning and 899.2 MB in the end (delta: 53.1 MB). Peak memory consumption was 187.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:51:09,425 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 14:51:09,425 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -170.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-12-07 14:51:09,425 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.49 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. [2019-12-07 14:51:09,425 INFO L168 Benchmark]: Boogie Preprocessor took 28.73 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 14:51:09,426 INFO L168 Benchmark]: RCFGBuilder took 14298.34 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: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 11.5 GB. [2019-12-07 14:51:09,426 INFO L168 Benchmark]: TraceAbstraction took 32943.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 906.1 MB in the end (delta: 169.9 MB). Peak memory consumption was 169.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:51:09,426 INFO L168 Benchmark]: Witness Printer took 67.55 ms. Allocated memory is still 1.2 GB. Free memory was 906.1 MB in the beginning and 899.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 14:51:09,427 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 256.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -170.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.49 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. * Boogie Preprocessor took 28.73 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 14298.34 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: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 32943.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 906.1 MB in the end (delta: 169.9 MB). Peak memory consumption was 169.9 MB. Max. memory is 11.5 GB. * Witness Printer took 67.55 ms. Allocated memory is still 1.2 GB. Free memory was 906.1 MB in the beginning and 899.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 158]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 108]: Loop Invariant [2019-12-07 14:51:09,431 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,432 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:51:09,432 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:51:09,432 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:51:09,432 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,432 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:51:09,432 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:51:09,433 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (zero == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 144]: Loop Invariant [2019-12-07 14:51:09,433 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,433 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,433 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,433 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,433 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,434 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,434 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:51:09,434 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:51:09,434 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:51:09,434 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,434 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,435 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,435 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,435 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,435 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,435 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:51:09,435 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:51:09,435 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((!(0bv32 == ~bvand32(2147483647bv32, hx)) && 1bv32 == \result) && zero == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE())) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 104]: Loop Invariant [2019-12-07 14:51:09,436 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,436 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,436 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,436 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,436 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,436 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,436 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:51:09,437 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:51:09,437 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:51:09,437 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,437 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,437 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,437 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,438 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,438 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:51:09,438 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:51:09,438 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:51:09,438 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((!(0bv32 == ~bvand32(2147483647bv32, hx)) && zero == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE())) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 44 locations, 1 error locations. Result: SAFE, OverallTime: 32.6s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 24.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 138 SDtfs, 173 SDslu, 248 SDs, 0 SdLazy, 131 SolverSat, 12 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 22.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 104 GetRequests, 76 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 5.1s 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, 4 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 14 NumberOfFragments, 101 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 89 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 96 ConstructedInterpolants, 12 QuantifiedInterpolants, 6858 SizeOfPredicates, 24 NumberOfNonLiveVariables, 211 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 correct! Received shutdown request...