./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0281.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0281.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ea7f366bf9317f351e4b5f275a15188ee4a0efbb ............................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0281.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ea7f366bf9317f351e4b5f275a15188ee4a0efbb ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:46:16,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:46:16,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:46:16,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:46:16,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:46:16,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:46:16,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:46:16,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:46:16,779 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:46:16,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:46:16,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:46:16,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:46:16,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:46:16,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:46:16,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:46:16,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:46:16,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:46:16,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:46:16,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:46:16,807 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:46:16,812 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:46:16,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:46:16,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:46:16,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:46:16,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:46:16,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:46:16,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:46:16,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:46:16,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:46:16,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:46:16,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:46:16,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:46:16,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:46:16,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:46:16,832 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:46:16,832 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:46:16,833 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:46:16,833 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:46:16,834 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:46:16,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:46:16,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:46:16,837 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 23:46:16,870 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:46:16,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:46:16,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:46:16,876 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:46:16,878 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:46:16,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:46:16,878 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:46:16,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 23:46:16,879 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:46:16,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:46:16,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:46:16,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:46:16,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:46:16,881 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:46:16,882 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:46:16,882 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:46:16,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:46:16,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:46:16,883 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:46:16,883 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:46:16,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:46:16,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:46:16,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:46:16,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:46:16,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:46:16,885 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 23:46:16,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 23:46:16,886 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:46:16,887 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__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 -> ea7f366bf9317f351e4b5f275a15188ee4a0efbb [2019-11-27 23:46:17,194 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:46:17,212 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:46:17,216 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:46:17,218 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:46:17,218 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:46:17,220 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0281.c [2019-11-27 23:46:17,290 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f37023936/8a63f141a6b24f47a523c602b1f62111/FLAG851aab7a4 [2019-11-27 23:46:17,789 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:46:17,790 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0281.c [2019-11-27 23:46:17,801 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f37023936/8a63f141a6b24f47a523c602b1f62111/FLAG851aab7a4 [2019-11-27 23:46:18,140 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f37023936/8a63f141a6b24f47a523c602b1f62111 [2019-11-27 23:46:18,144 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:46:18,146 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:46:18,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:46:18,148 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:46:18,152 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:46:18,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:46:18" (1/1) ... [2019-11-27 23:46:18,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@331559d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:18, skipping insertion in model container [2019-11-27 23:46:18,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:46:18" (1/1) ... [2019-11-27 23:46:18,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:46:18,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:46:18,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:46:18,459 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:46:18,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:46:18,592 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:46:18,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:18 WrapperNode [2019-11-27 23:46:18,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:46:18,593 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:46:18,593 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:46:18,594 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:46:18,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:18" (1/1) ... [2019-11-27 23:46:18,614 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:18" (1/1) ... [2019-11-27 23:46:18,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:46:18,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:46:18,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:46:18,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:46:18,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:18" (1/1) ... [2019-11-27 23:46:18,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:18" (1/1) ... [2019-11-27 23:46:18,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:18" (1/1) ... [2019-11-27 23:46:18,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:18" (1/1) ... [2019-11-27 23:46:18,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:18" (1/1) ... [2019-11-27 23:46:18,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:18" (1/1) ... [2019-11-27 23:46:18,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:18" (1/1) ... [2019-11-27 23:46:18,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:46:18,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:46:18,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:46:18,705 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:46:18,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:46:18,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-27 23:46:18,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-27 23:46:18,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-27 23:46:18,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-27 23:46:18,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:46:18,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:46:18,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-27 23:46:18,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-27 23:46:19,362 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:46:19,362 INFO L297 CfgBuilder]: Removed 28 assume(true) statements. [2019-11-27 23:46:19,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:46:19 BoogieIcfgContainer [2019-11-27 23:46:19,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:46:19,365 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:46:19,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:46:19,369 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:46:19,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:46:18" (1/3) ... [2019-11-27 23:46:19,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30643496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:46:19, skipping insertion in model container [2019-11-27 23:46:19,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:18" (2/3) ... [2019-11-27 23:46:19,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30643496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:46:19, skipping insertion in model container [2019-11-27 23:46:19,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:46:19" (3/3) ... [2019-11-27 23:46:19,373 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0281.c [2019-11-27 23:46:19,383 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:46:19,392 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:46:19,405 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:46:19,433 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:46:19,433 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:46:19,433 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:46:19,434 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:46:19,434 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:46:19,434 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:46:19,434 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:46:19,435 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:46:19,454 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2019-11-27 23:46:19,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-27 23:46:19,461 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:46:19,462 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:46:19,462 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:46:19,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:46:19,470 INFO L82 PathProgramCache]: Analyzing trace with hash 863812756, now seen corresponding path program 1 times [2019-11-27 23:46:19,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:46:19,480 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213943042] [2019-11-27 23:46:19,481 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:46:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:46:19,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:46:19,612 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213943042] [2019-11-27 23:46:19,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:46:19,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-27 23:46:19,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773923031] [2019-11-27 23:46:19,618 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-27 23:46:19,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:46:19,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-27 23:46:19,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:46:19,631 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 2 states. [2019-11-27 23:46:19,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:46:19,654 INFO L93 Difference]: Finished difference Result 113 states and 182 transitions. [2019-11-27 23:46:19,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-27 23:46:19,656 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-27 23:46:19,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:46:19,668 INFO L225 Difference]: With dead ends: 113 [2019-11-27 23:46:19,669 INFO L226 Difference]: Without dead ends: 54 [2019-11-27 23:46:19,672 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:46:19,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-11-27 23:46:19,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2019-11-27 23:46:19,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-11-27 23:46:19,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 71 transitions. [2019-11-27 23:46:19,716 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 71 transitions. Word has length 10 [2019-11-27 23:46:19,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:46:19,717 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 71 transitions. [2019-11-27 23:46:19,717 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-27 23:46:19,717 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2019-11-27 23:46:19,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-27 23:46:19,718 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:46:19,718 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:46:19,718 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:46:19,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:46:19,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1283186732, now seen corresponding path program 1 times [2019-11-27 23:46:19,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:46:19,720 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381250909] [2019-11-27 23:46:19,720 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:46:19,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 23:46:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 23:46:19,825 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-27 23:46:19,826 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-27 23:46:19,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:46:19 BoogieIcfgContainer [2019-11-27 23:46:19,864 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:46:19,864 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:46:19,864 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:46:19,864 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:46:19,865 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:46:19" (3/4) ... [2019-11-27 23:46:19,869 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-27 23:46:19,869 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:46:19,872 INFO L168 Benchmark]: Toolchain (without parser) took 1725.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -110.3 MB). Peak memory consumption was 36.5 MB. Max. memory is 11.5 GB. [2019-11-27 23:46:19,872 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:46:19,874 INFO L168 Benchmark]: CACSL2BoogieTranslator took 445.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-27 23:46:19,874 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:46:19,875 INFO L168 Benchmark]: Boogie Preprocessor took 49.53 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-27 23:46:19,876 INFO L168 Benchmark]: RCFGBuilder took 659.21 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: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2019-11-27 23:46:19,877 INFO L168 Benchmark]: TraceAbstraction took 498.70 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: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-27 23:46:19,877 INFO L168 Benchmark]: Witness Printer took 5.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:46:19,881 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 445.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.40 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 49.53 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 659.21 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: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 498.70 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: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Witness Printer took 5.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 192]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 102, overapproximation of bitwiseAnd at line 116, overapproximation of someUnaryFLOAToperation at line 100, overapproximation of someBinaryArithmeticFLOAToperation at line 119. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L98-L106] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L184] float x = __VERIFIER_nondet_float(); [L186] COND TRUE x < -1.0f || x > 1.0f [L109] float t, w, p, q, c, r, s; [L110] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L112] ieee_float_shape_type gf_u; [L113] gf_u.value = (x) [L114] EXPR gf_u.word [L114] (hx) = gf_u.word [L116] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L117] COND TRUE ix == 0x3f800000 [L119] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L188] float res = __ieee754_asinf(x); [L13] return x != x; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L191] COND TRUE !isnan_float(res) [L192] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 58 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 76 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=58occurred 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, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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 0.1.24-30f4e4a [2019-11-27 23:46:21,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:46:21,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:46:21,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:46:21,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:46:21,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:46:21,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:46:21,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:46:21,919 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:46:21,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:46:21,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:46:21,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:46:21,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:46:21,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:46:21,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:46:21,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:46:21,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:46:21,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:46:21,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:46:21,947 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:46:21,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:46:21,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:46:21,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:46:21,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:46:21,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:46:21,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:46:21,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:46:21,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:46:21,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:46:21,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:46:21,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:46:21,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:46:21,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:46:21,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:46:21,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:46:21,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:46:21,976 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:46:21,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:46:21,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:46:21,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:46:21,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:46:21,979 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 23:46:21,999 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:46:21,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:46:22,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:46:22,004 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:46:22,004 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:46:22,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:46:22,005 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:46:22,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:46:22,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:46:22,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:46:22,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:46:22,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:46:22,007 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 23:46:22,007 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 23:46:22,008 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:46:22,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:46:22,008 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:46:22,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:46:22,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:46:22,010 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:46:22,010 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:46:22,012 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:46:22,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:46:22,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:46:22,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:46:22,015 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:46:22,015 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 23:46:22,015 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 23:46:22,015 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:46:22,016 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 23:46:22,016 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__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 -> ea7f366bf9317f351e4b5f275a15188ee4a0efbb [2019-11-27 23:46:22,321 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:46:22,338 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:46:22,343 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:46:22,345 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:46:22,345 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:46:22,347 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0281.c [2019-11-27 23:46:22,425 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf5edf8e5/1bff5ab43a5546e891f694446fe1191c/FLAG1cf9275d5 [2019-11-27 23:46:22,910 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:46:22,912 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0281.c [2019-11-27 23:46:22,924 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf5edf8e5/1bff5ab43a5546e891f694446fe1191c/FLAG1cf9275d5 [2019-11-27 23:46:23,218 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf5edf8e5/1bff5ab43a5546e891f694446fe1191c [2019-11-27 23:46:23,224 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:46:23,226 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:46:23,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:46:23,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:46:23,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:46:23,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:46:23" (1/1) ... [2019-11-27 23:46:23,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63cff6e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:23, skipping insertion in model container [2019-11-27 23:46:23,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:46:23" (1/1) ... [2019-11-27 23:46:23,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:46:23,295 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:46:23,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:46:23,672 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:46:23,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:46:23,760 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:46:23,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:23 WrapperNode [2019-11-27 23:46:23,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:46:23,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:46:23,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:46:23,762 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:46:23,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:23" (1/1) ... [2019-11-27 23:46:23,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:23" (1/1) ... [2019-11-27 23:46:23,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:46:23,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:46:23,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:46:23,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:46:23,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:23" (1/1) ... [2019-11-27 23:46:23,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:23" (1/1) ... [2019-11-27 23:46:23,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:23" (1/1) ... [2019-11-27 23:46:23,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:23" (1/1) ... [2019-11-27 23:46:23,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:23" (1/1) ... [2019-11-27 23:46:23,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:23" (1/1) ... [2019-11-27 23:46:23,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:23" (1/1) ... [2019-11-27 23:46:23,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:46:23,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:46:23,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:46:23,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:46:23,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:46:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-27 23:46:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-27 23:46:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-27 23:46:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:46:23,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:46:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-27 23:46:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-27 23:46:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-27 23:46:35,234 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:46:35,235 INFO L297 CfgBuilder]: Removed 28 assume(true) statements. [2019-11-27 23:46:35,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:46:35 BoogieIcfgContainer [2019-11-27 23:46:35,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:46:35,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:46:35,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:46:35,242 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:46:35,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:46:23" (1/3) ... [2019-11-27 23:46:35,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e8d5ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:46:35, skipping insertion in model container [2019-11-27 23:46:35,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:23" (2/3) ... [2019-11-27 23:46:35,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e8d5ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:46:35, skipping insertion in model container [2019-11-27 23:46:35,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:46:35" (3/3) ... [2019-11-27 23:46:35,248 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0281.c [2019-11-27 23:46:35,258 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:46:35,266 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:46:35,275 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:46:35,299 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:46:35,300 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:46:35,300 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:46:35,300 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:46:35,300 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:46:35,300 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:46:35,301 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:46:35,301 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:46:35,318 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2019-11-27 23:46:35,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-27 23:46:35,325 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:46:35,326 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:46:35,327 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:46:35,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:46:35,333 INFO L82 PathProgramCache]: Analyzing trace with hash 863812756, now seen corresponding path program 1 times [2019-11-27 23:46:35,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:46:35,344 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1225498110] [2019-11-27 23:46:35,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-27 23:46:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:46:35,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-27 23:46:35,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:46:35,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:46:35,989 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:46:35,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:46:35,994 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1225498110] [2019-11-27 23:46:35,995 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:46:35,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-27 23:46:35,996 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817564722] [2019-11-27 23:46:36,000 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-27 23:46:36,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:46:36,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-27 23:46:36,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:46:36,013 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 2 states. [2019-11-27 23:46:36,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:46:36,036 INFO L93 Difference]: Finished difference Result 113 states and 182 transitions. [2019-11-27 23:46:36,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-27 23:46:36,038 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-27 23:46:36,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:46:36,050 INFO L225 Difference]: With dead ends: 113 [2019-11-27 23:46:36,050 INFO L226 Difference]: Without dead ends: 54 [2019-11-27 23:46:36,054 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:46:36,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-11-27 23:46:36,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2019-11-27 23:46:36,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-11-27 23:46:36,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 71 transitions. [2019-11-27 23:46:36,100 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 71 transitions. Word has length 10 [2019-11-27 23:46:36,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:46:36,101 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 71 transitions. [2019-11-27 23:46:36,101 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-27 23:46:36,101 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2019-11-27 23:46:36,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-27 23:46:36,102 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:46:36,102 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:46:36,302 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-27 23:46:36,303 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:46:36,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:46:36,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1283186732, now seen corresponding path program 1 times [2019-11-27 23:46:36,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:46:36,306 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1102219921] [2019-11-27 23:46:36,306 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-27 23:46:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:46:36,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-27 23:46:36,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:46:36,991 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:46:39,059 WARN L192 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 22 DAG size of output: 15 [2019-11-27 23:46:39,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:46:39,067 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:46:39,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:46:39,185 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1102219921] [2019-11-27 23:46:39,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:46:39,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-27 23:46:39,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39972823] [2019-11-27 23:46:39,188 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-27 23:46:39,188 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:46:39,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-27 23:46:39,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-27 23:46:39,191 INFO L87 Difference]: Start difference. First operand 54 states and 71 transitions. Second operand 8 states. [2019-11-27 23:46:39,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:46:39,898 INFO L93 Difference]: Finished difference Result 59 states and 75 transitions. [2019-11-27 23:46:39,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-27 23:46:39,899 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-11-27 23:46:39,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:46:39,900 INFO L225 Difference]: With dead ends: 59 [2019-11-27 23:46:39,901 INFO L226 Difference]: Without dead ends: 13 [2019-11-27 23:46:39,902 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-27 23:46:39,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-11-27 23:46:39,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-11-27 23:46:39,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-27 23:46:39,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2019-11-27 23:46:39,909 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 11 [2019-11-27 23:46:39,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:46:39,909 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2019-11-27 23:46:39,909 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-27 23:46:39,910 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2019-11-27 23:46:39,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-27 23:46:39,911 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:46:39,911 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:46:40,113 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-27 23:46:40,114 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:46:40,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:46:40,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1003963026, now seen corresponding path program 1 times [2019-11-27 23:46:40,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:46:40,117 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1222557631] [2019-11-27 23:46:40,117 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-27 23:46:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:46:40,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-27 23:46:40,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:46:42,821 WARN L192 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2019-11-27 23:46:42,824 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:46:44,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:46:44,276 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:46:46,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:46:46,278 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1222557631] [2019-11-27 23:46:46,278 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:46:46,279 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2019-11-27 23:46:46,279 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257537746] [2019-11-27 23:46:46,280 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-27 23:46:46,280 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:46:46,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-27 23:46:46,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-11-27 23:46:46,281 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand 9 states. [2019-11-27 23:46:48,723 WARN L192 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 7 [2019-11-27 23:46:50,940 WARN L192 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 10 [2019-11-27 23:46:51,919 WARN L192 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 12 [2019-11-27 23:46:51,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:46:51,921 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2019-11-27 23:46:51,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-27 23:46:51,922 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 12 [2019-11-27 23:46:51,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:46:51,922 INFO L225 Difference]: With dead ends: 13 [2019-11-27 23:46:51,922 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 23:46:51,923 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2019-11-27 23:46:51,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 23:46:51,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 23:46:51,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 23:46:51,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 23:46:51,924 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-11-27 23:46:51,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:46:51,924 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 23:46:51,924 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-27 23:46:51,924 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 23:46:51,925 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 23:46:52,125 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-27 23:46:52,129 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 23:46:52,432 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2019-11-27 23:46:52,444 INFO L246 CegarLoopResult]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2019-11-27 23:46:52,445 INFO L242 CegarLoopResult]: At program point L85-2(lines 85 89) the Hoare annotation is: false [2019-11-27 23:46:52,445 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 23:46:52,445 INFO L242 CegarLoopResult]: At program point L53-2(lines 53 62) the Hoare annotation is: false [2019-11-27 23:46:52,445 INFO L246 CegarLoopResult]: For program point L53-3(lines 17 82) no Hoare annotation was computed. [2019-11-27 23:46:52,445 INFO L246 CegarLoopResult]: For program point L186(lines 186 195) no Hoare annotation was computed. [2019-11-27 23:46:52,446 INFO L246 CegarLoopResult]: For program point L120(lines 120 137) no Hoare annotation was computed. [2019-11-27 23:46:52,446 INFO L246 CegarLoopResult]: For program point L186-2(lines 186 195) no Hoare annotation was computed. [2019-11-27 23:46:52,446 INFO L246 CegarLoopResult]: For program point L38(lines 38 42) no Hoare annotation was computed. [2019-11-27 23:46:52,446 INFO L246 CegarLoopResult]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2019-11-27 23:46:52,446 INFO L246 CegarLoopResult]: For program point L154-1(lines 154 158) no Hoare annotation was computed. [2019-11-27 23:46:52,446 INFO L242 CegarLoopResult]: At program point L154-2(lines 154 158) the Hoare annotation is: false [2019-11-27 23:46:52,446 INFO L246 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2019-11-27 23:46:52,447 INFO L246 CegarLoopResult]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2019-11-27 23:46:52,448 INFO L246 CegarLoopResult]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2019-11-27 23:46:52,448 INFO L242 CegarLoopResult]: At program point L22-2(lines 22 26) the Hoare annotation is: false [2019-11-27 23:46:52,448 INFO L246 CegarLoopResult]: For program point L22-3(lines 22 26) no Hoare annotation was computed. [2019-11-27 23:46:52,449 INFO L246 CegarLoopResult]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2019-11-27 23:46:52,449 INFO L242 CegarLoopResult]: At program point L39-3(lines 39 40) the Hoare annotation is: false [2019-11-27 23:46:52,449 INFO L246 CegarLoopResult]: For program point L39-4(lines 39 40) no Hoare annotation was computed. [2019-11-27 23:46:52,449 INFO L246 CegarLoopResult]: For program point L122(lines 122 137) no Hoare annotation was computed. [2019-11-27 23:46:52,449 INFO L246 CegarLoopResult]: For program point L122-1(lines 122 137) no Hoare annotation was computed. [2019-11-27 23:46:52,449 INFO L246 CegarLoopResult]: For program point L123(lines 123 136) no Hoare annotation was computed. [2019-11-27 23:46:52,450 INFO L246 CegarLoopResult]: For program point L90(lines 90 94) no Hoare annotation was computed. [2019-11-27 23:46:52,450 INFO L246 CegarLoopResult]: For program point L90-1(lines 83 96) no Hoare annotation was computed. [2019-11-27 23:46:52,450 INFO L246 CegarLoopResult]: For program point L90-2(lines 90 94) no Hoare annotation was computed. [2019-11-27 23:46:52,450 INFO L242 CegarLoopResult]: At program point L173(lines 108 174) the Hoare annotation is: (and (or (exists ((currentRoundingMode RoundingMode)) (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)))) (exists ((v_prenex_5 RoundingMode)) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) ((_ to_fp 8 24) v_prenex_5 1.0)))) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32)) (v_prenex_5 RoundingMode)) (and (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) ((_ to_fp 8 24) v_prenex_5 1.0)))) (or (exists ((currentRoundingMode RoundingMode)) (fp.lt ULTIMATE.start___ieee754_asinf_~x (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)))) (exists ((v_prenex_5 RoundingMode)) (fp.gt ULTIMATE.start___ieee754_asinf_~x ((_ to_fp 8 24) v_prenex_5 1.0)))) (not (fp.eq |ULTIMATE.start___ieee754_asinf_#res| |ULTIMATE.start___ieee754_asinf_#res|)) (= currentRoundingMode roundNearestTiesToEven)) [2019-11-27 23:46:52,451 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 23:46:52,451 INFO L246 CegarLoopResult]: For program point L124(lines 124 125) no Hoare annotation was computed. [2019-11-27 23:46:52,451 INFO L246 CegarLoopResult]: For program point L191(lines 191 194) no Hoare annotation was computed. [2019-11-27 23:46:52,451 INFO L246 CegarLoopResult]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2019-11-27 23:46:52,451 INFO L242 CegarLoopResult]: At program point L76-2(lines 76 80) the Hoare annotation is: false [2019-11-27 23:46:52,453 INFO L246 CegarLoopResult]: For program point L76-3(lines 76 80) no Hoare annotation was computed. [2019-11-27 23:46:52,454 INFO L246 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2019-11-27 23:46:52,454 INFO L246 CegarLoopResult]: For program point L159(lines 159 163) no Hoare annotation was computed. [2019-11-27 23:46:52,454 INFO L246 CegarLoopResult]: For program point L159-1(lines 151 169) no Hoare annotation was computed. [2019-11-27 23:46:52,454 INFO L246 CegarLoopResult]: For program point L159-2(lines 159 163) no Hoare annotation was computed. [2019-11-27 23:46:52,454 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 23:46:52,455 INFO L246 CegarLoopResult]: For program point L111-1(lines 111 115) no Hoare annotation was computed. [2019-11-27 23:46:52,455 INFO L242 CegarLoopResult]: At program point L111-2(lines 111 115) the Hoare annotation is: (and (or (exists ((currentRoundingMode RoundingMode)) (fp.lt ULTIMATE.start___ieee754_asinf_~x (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)))) (exists ((v_prenex_5 RoundingMode)) (fp.gt ULTIMATE.start___ieee754_asinf_~x ((_ to_fp 8 24) v_prenex_5 1.0)))) (= currentRoundingMode roundNearestTiesToEven)) [2019-11-27 23:46:52,455 INFO L246 CegarLoopResult]: For program point L45(lines 45 46) no Hoare annotation was computed. [2019-11-27 23:46:52,456 INFO L246 CegarLoopResult]: For program point L111-3(lines 111 115) no Hoare annotation was computed. [2019-11-27 23:46:52,456 INFO L246 CegarLoopResult]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2019-11-27 23:46:52,456 INFO L242 CegarLoopResult]: At program point L95(lines 83 96) the Hoare annotation is: false [2019-11-27 23:46:52,456 INFO L246 CegarLoopResult]: For program point L29(lines 29 30) no Hoare annotation was computed. [2019-11-27 23:46:52,457 INFO L242 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: (and (or (exists ((currentRoundingMode RoundingMode)) (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)))) (exists ((v_prenex_5 RoundingMode)) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) ((_ to_fp 8 24) v_prenex_5 1.0)))) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32)) (v_prenex_5 RoundingMode)) (and (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) ((_ to_fp 8 24) v_prenex_5 1.0)))) (or (exists ((currentRoundingMode RoundingMode)) (fp.lt ULTIMATE.start___ieee754_asinf_~x (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)))) (exists ((v_prenex_5 RoundingMode)) (fp.gt ULTIMATE.start___ieee754_asinf_~x ((_ to_fp 8 24) v_prenex_5 1.0)))) (not (fp.eq |ULTIMATE.start___ieee754_asinf_#res| |ULTIMATE.start___ieee754_asinf_#res|)) (= currentRoundingMode roundNearestTiesToEven)) [2019-11-27 23:46:52,457 INFO L246 CegarLoopResult]: For program point L64(lines 64 73) no Hoare annotation was computed. [2019-11-27 23:46:52,457 INFO L242 CegarLoopResult]: At program point L81(lines 17 82) the Hoare annotation is: false [2019-11-27 23:46:52,457 INFO L249 CegarLoopResult]: At program point L197(lines 176 198) the Hoare annotation is: true [2019-11-27 23:46:52,457 INFO L246 CegarLoopResult]: For program point L32(lines 32 33) no Hoare annotation was computed. [2019-11-27 23:46:52,457 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 23:46:52,458 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 192) no Hoare annotation was computed. [2019-11-27 23:46:52,458 INFO L246 CegarLoopResult]: For program point L148(lines 148 169) no Hoare annotation was computed. [2019-11-27 23:46:52,458 INFO L246 CegarLoopResult]: For program point L148-2(lines 108 174) no Hoare annotation was computed. [2019-11-27 23:46:52,458 INFO L246 CegarLoopResult]: For program point L66(lines 66 72) no Hoare annotation was computed. [2019-11-27 23:46:52,458 INFO L246 CegarLoopResult]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-11-27 23:46:52,458 INFO L246 CegarLoopResult]: For program point L117(lines 117 137) no Hoare annotation was computed. [2019-11-27 23:46:52,459 INFO L246 CegarLoopResult]: For program point L68(lines 68 71) no Hoare annotation was computed. [2019-11-27 23:46:52,480 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:46:52,481 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:46:52,482 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-27 23:46:52,482 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-27 23:46:52,482 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-27 23:46:52,482 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-27 23:46:52,483 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:46:52,483 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:46:52,483 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:46:52,487 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:46:52,492 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:46:52,497 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:46:52,497 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:46:52,498 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-27 23:46:52,498 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-27 23:46:52,498 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-27 23:46:52,503 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-27 23:46:52,503 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:46:52,504 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:46:52,504 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:46:52,505 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:46:52,505 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:46:52,507 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:46:52,508 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:46:52,509 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-27 23:46:52,509 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-27 23:46:52,509 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-27 23:46:52,510 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-27 23:46:52,510 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:46:52,510 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:46:52,510 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:46:52,511 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:46:52,511 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:46:52,512 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:46:52,512 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:46:52,515 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-27 23:46:52,516 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-27 23:46:52,522 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-27 23:46:52,522 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-27 23:46:52,522 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:46:52,522 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:46:52,523 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:46:52,523 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:46:52,524 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:46:52,524 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:46:52,525 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:46:52,525 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:46:52,525 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:46:52,526 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:46:52,526 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:46:52,526 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:46:52,526 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:46:52,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:46:52 BoogieIcfgContainer [2019-11-27 23:46:52,529 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:46:52,530 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:46:52,530 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:46:52,530 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:46:52,531 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:46:35" (3/4) ... [2019-11-27 23:46:52,534 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 23:46:52,550 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-27 23:46:52,550 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-27 23:46:52,550 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-27 23:46:52,580 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-11-27 23:46:52,581 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, v_prenex_5 : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(v_prenex_5, 1.0))))) && !~fp.eq~FLOAT(\result, \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-11-27 23:46:52,581 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) && 1bv32 == \result) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, v_prenex_5 : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(v_prenex_5, 1.0))))) && !~fp.eq~FLOAT(\result, \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-11-27 23:46:52,633 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 23:46:52,636 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:46:52,637 INFO L168 Benchmark]: Toolchain (without parser) took 29411.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 951.0 MB in the beginning and 927.8 MB in the end (delta: 23.2 MB). Peak memory consumption was 139.0 MB. Max. memory is 11.5 GB. [2019-11-27 23:46:52,638 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:46:52,639 INFO L168 Benchmark]: CACSL2BoogieTranslator took 534.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-27 23:46:52,639 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.52 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: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. [2019-11-27 23:46:52,640 INFO L168 Benchmark]: Boogie Preprocessor took 51.03 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:46:52,641 INFO L168 Benchmark]: RCFGBuilder took 11342.58 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: 39.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 11.5 GB. [2019-11-27 23:46:52,645 INFO L168 Benchmark]: TraceAbstraction took 17290.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 934.6 MB in the end (delta: 122.6 MB). Peak memory consumption was 122.6 MB. Max. memory is 11.5 GB. [2019-11-27 23:46:52,647 INFO L168 Benchmark]: Witness Printer took 106.06 ms. Allocated memory is still 1.1 GB. Free memory was 934.6 MB in the beginning and 927.8 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:46:52,652 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 534.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.52 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: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.03 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 11342.58 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: 39.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17290.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 934.6 MB in the end (delta: 122.6 MB). Peak memory consumption was 122.6 MB. Max. memory is 11.5 GB. * Witness Printer took 106.06 ms. Allocated memory is still 1.1 GB. Free memory was 934.6 MB in the beginning and 927.8 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 192]: 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: 83]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 108]: Loop Invariant [2019-11-27 23:46:52,676 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:46:52,676 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:46:52,676 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-27 23:46:52,677 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-27 23:46:52,677 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-27 23:46:52,677 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-27 23:46:52,677 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:46:52,678 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:46:52,678 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:46:52,678 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:46:52,680 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:46:52,681 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:46:52,681 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:46:52,681 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-27 23:46:52,681 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-27 23:46:52,681 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-27 23:46:52,682 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-27 23:46:52,682 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:46:52,682 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:46:52,682 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:46:52,682 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:46:52,683 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, v_prenex_5 : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(v_prenex_5, 1.0))))) && !~fp.eq~FLOAT(\result, \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 13]: Loop Invariant [2019-11-27 23:46:52,684 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:46:52,684 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:46:52,684 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-27 23:46:52,684 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-27 23:46:52,684 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-27 23:46:52,685 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-27 23:46:52,685 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:46:52,685 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:46:52,685 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:46:52,686 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:46:52,686 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:46:52,686 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:46:52,687 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:46:52,687 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-27 23:46:52,687 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-27 23:46:52,687 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-27 23:46:52,688 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-27 23:46:52,688 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:46:52,688 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:46:52,688 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:46:52,688 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:46:52,689 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) && 1bv32 == \result) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, v_prenex_5 : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(v_prenex_5, 1.0))))) && !~fp.eq~FLOAT(\result, \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 111]: Loop Invariant [2019-11-27 23:46:52,689 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:46:52,690 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:46:52,690 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:46:52,690 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:46:52,690 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:46:52,691 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:46:52,691 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:46:52,691 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 58 locations, 1 error locations. Result: SAFE, OverallTime: 16.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 90 SDtfs, 42 SDslu, 31 SDs, 0 SdLazy, 22 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 12.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 16 NumberOfFragments, 162 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 60 ConstructedInterpolants, 6 QuantifiedInterpolants, 2193 SizeOfPredicates, 17 NumberOfNonLiveVariables, 138 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...