./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0270a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c 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_0270a.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 80f5f1ccd9454019e5b231b920d368e18867583c ............................................................................................................................................................................................................................................................................................. 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_0270a.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 80f5f1ccd9454019e5b231b920d368e18867583c .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 16:50:22,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:50:22,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:50:22,605 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:50:22,606 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:50:22,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:50:22,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:50:22,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:50:22,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:50:22,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:50:22,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:50:22,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:50:22,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:50:22,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:50:22,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:50:22,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:50:22,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:50:22,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:50:22,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:50:22,652 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:50:22,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:50:22,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:50:22,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:50:22,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:50:22,669 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:50:22,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:50:22,670 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:50:22,674 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:50:22,675 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:50:22,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:50:22,677 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:50:22,678 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:50:22,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:50:22,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:50:22,682 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:50:22,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:50:22,683 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:50:22,683 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:50:22,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:50:22,684 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:50:22,686 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:50:22,686 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 16:50:22,714 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:50:22,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:50:22,716 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:50:22,716 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:50:22,716 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:50:22,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:50:22,717 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:50:22,717 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 16:50:22,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:50:22,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:50:22,717 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:50:22,718 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:50:22,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:50:22,718 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:50:22,718 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:50:22,718 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:50:22,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:50:22,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:50:22,719 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:50:22,719 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:50:22,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:50:22,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:50:22,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:50:22,720 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:50:22,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:50:22,721 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 16:50:22,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 16:50:22,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:50:22,721 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:50:22,722 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 -> 80f5f1ccd9454019e5b231b920d368e18867583c [2019-11-28 16:50:23,077 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:50:23,096 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:50:23,099 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:50:23,101 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:50:23,103 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:50:23,104 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0270a.c [2019-11-28 16:50:23,178 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92ad2db7f/f6090ff001cc457aaa6305433ef61892/FLAGc28e70dba [2019-11-28 16:50:23,676 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:50:23,677 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0270a.c [2019-11-28 16:50:23,685 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92ad2db7f/f6090ff001cc457aaa6305433ef61892/FLAGc28e70dba [2019-11-28 16:50:23,949 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92ad2db7f/f6090ff001cc457aaa6305433ef61892 [2019-11-28 16:50:23,953 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:50:23,955 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:50:23,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:50:23,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:50:23,960 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:50:23,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:50:23" (1/1) ... [2019-11-28 16:50:23,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d0c63d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:50:23, skipping insertion in model container [2019-11-28 16:50:23,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:50:23" (1/1) ... [2019-11-28 16:50:23,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:50:24,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:50:24,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:50:24,383 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:50:24,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:50:24,461 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:50:24,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:50:24 WrapperNode [2019-11-28 16:50:24,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:50:24,463 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:50:24,463 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:50:24,464 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:50:24,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:50:24" (1/1) ... [2019-11-28 16:50:24,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:50:24" (1/1) ... [2019-11-28 16:50:24,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:50:24,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:50:24,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:50:24,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:50:24,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:50:24" (1/1) ... [2019-11-28 16:50:24,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:50:24" (1/1) ... [2019-11-28 16:50:24,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:50:24" (1/1) ... [2019-11-28 16:50:24,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:50:24" (1/1) ... [2019-11-28 16:50:24,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:50:24" (1/1) ... [2019-11-28 16:50:24,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:50:24" (1/1) ... [2019-11-28 16:50:24,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:50:24" (1/1) ... [2019-11-28 16:50:24,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:50:24,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:50:24,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:50:24,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:50:24,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:50:24" (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 [2019-11-28 16:50:24,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 16:50:24,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-28 16:50:24,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 16:50:24,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-28 16:50:24,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:50:24,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:50:24,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 16:50:24,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 16:50:25,180 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:50:25,181 INFO L287 CfgBuilder]: Removed 30 assume(true) statements. [2019-11-28 16:50:25,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:50:25 BoogieIcfgContainer [2019-11-28 16:50:25,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:50:25,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:50:25,183 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:50:25,186 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:50:25,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:50:23" (1/3) ... [2019-11-28 16:50:25,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a2aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:50:25, skipping insertion in model container [2019-11-28 16:50:25,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:50:24" (2/3) ... [2019-11-28 16:50:25,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a2aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:50:25, skipping insertion in model container [2019-11-28 16:50:25,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:50:25" (3/3) ... [2019-11-28 16:50:25,189 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270a.c [2019-11-28 16:50:25,197 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:50:25,205 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:50:25,216 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:50:25,242 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:50:25,242 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:50:25,242 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:50:25,242 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:50:25,243 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:50:25,243 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:50:25,243 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:50:25,243 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:50:25,261 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2019-11-28 16:50:25,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-28 16:50:25,268 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:50:25,269 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:50:25,269 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:50:25,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:50:25,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1900514974, now seen corresponding path program 1 times [2019-11-28 16:50:25,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:50:25,286 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299271698] [2019-11-28 16:50:25,287 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:50:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:50:25,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:50:25,415 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299271698] [2019-11-28 16:50:25,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:50:25,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 16:50:25,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839376209] [2019-11-28 16:50:25,423 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 16:50:25,423 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:50:25,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 16:50:25,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 16:50:25,440 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2019-11-28 16:50:25,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:50:25,466 INFO L93 Difference]: Finished difference Result 118 states and 192 transitions. [2019-11-28 16:50:25,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 16:50:25,468 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-28 16:50:25,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:50:25,480 INFO L225 Difference]: With dead ends: 118 [2019-11-28 16:50:25,480 INFO L226 Difference]: Without dead ends: 57 [2019-11-28 16:50:25,483 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 [2019-11-28 16:50:25,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-28 16:50:25,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-28 16:50:25,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-28 16:50:25,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2019-11-28 16:50:25,521 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 9 [2019-11-28 16:50:25,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:50:25,522 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2019-11-28 16:50:25,522 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 16:50:25,522 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-11-28 16:50:25,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 16:50:25,522 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:50:25,523 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:50:25,523 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:50:25,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:50:25,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1487835839, now seen corresponding path program 1 times [2019-11-28 16:50:25,524 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:50:25,524 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682723305] [2019-11-28 16:50:25,524 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:50:25,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:50:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:50:25,610 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 16:50:25,610 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 16:50:25,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:50:25 BoogieIcfgContainer [2019-11-28 16:50:25,649 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 16:50:25,649 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 16:50:25,649 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 16:50:25,650 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 16:50:25,650 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:50:25" (3/4) ... [2019-11-28 16:50:25,654 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 16:50:25,654 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 16:50:25,657 INFO L168 Benchmark]: Toolchain (without parser) took 1701.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -107.2 MB). Peak memory consumption was 35.4 MB. Max. memory is 11.5 GB. [2019-11-28 16:50:25,657 INFO L168 Benchmark]: CDTParser took 1.10 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. [2019-11-28 16:50:25,659 INFO L168 Benchmark]: CACSL2BoogieTranslator took 506.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -177.7 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-28 16:50:25,659 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.84 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. [2019-11-28 16:50:25,660 INFO L168 Benchmark]: Boogie Preprocessor took 55.85 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. [2019-11-28 16:50:25,661 INFO L168 Benchmark]: RCFGBuilder took 590.79 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: 37.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. [2019-11-28 16:50:25,662 INFO L168 Benchmark]: TraceAbstraction took 465.75 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: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2019-11-28 16:50:25,662 INFO L168 Benchmark]: Witness Printer took 5.23 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. [2019-11-28 16:50:25,667 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.10 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 506.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -177.7 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.84 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. * Boogie Preprocessor took 55.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 590.79 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: 37.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 465.75 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: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.23 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: 198]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 197, overapproximation of someUnaryDOUBLEoperation at line 111, overapproximation of bitwiseAnd at line 125, overapproximation of someUnaryFLOAToperation at line 193, overapproximation of someBinaryArithmeticFLOAToperation at line 128. Possible FailurePath: [L24] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L107-L115] 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] [L193] float x = -0.0f; [L118] float t, w, p, q, c, r, s; [L119] __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] [L121] ieee_float_shape_type gf_u; [L122] gf_u.value = (x) [L123] EXPR gf_u.word [L123] (hx) = gf_u.word [L125] 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] [L126] COND TRUE ix == 0x3f800000 [L128] 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] [L194] float res = __ieee754_asinf(x); [L197] EXPR res == -0.0f && __signbit_float(res) == 1 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] [L197] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L198] __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, 60 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 78 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=60occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-11-28 16:50:27,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:50:27,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:50:27,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:50:27,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:50:27,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:50:27,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:50:27,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:50:27,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:50:27,656 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:50:27,657 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:50:27,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:50:27,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:50:27,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:50:27,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:50:27,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:50:27,669 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:50:27,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:50:27,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:50:27,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:50:27,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:50:27,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:50:27,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:50:27,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:50:27,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:50:27,695 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:50:27,696 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:50:27,698 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:50:27,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:50:27,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:50:27,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:50:27,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:50:27,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:50:27,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:50:27,710 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:50:27,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:50:27,711 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:50:27,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:50:27,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:50:27,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:50:27,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:50:27,715 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 16:50:27,753 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:50:27,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:50:27,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:50:27,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:50:27,758 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:50:27,758 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:50:27,758 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:50:27,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:50:27,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:50:27,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:50:27,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:50:27,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:50:27,759 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 16:50:27,760 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 16:50:27,763 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:50:27,763 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:50:27,763 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:50:27,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:50:27,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:50:27,764 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:50:27,764 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:50:27,764 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:50:27,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:50:27,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:50:27,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:50:27,765 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:50:27,766 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 16:50:27,769 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 16:50:27,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:50:27,770 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:50:27,770 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 16:50:27,770 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 -> 80f5f1ccd9454019e5b231b920d368e18867583c [2019-11-28 16:50:28,114 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:50:28,127 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:50:28,131 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:50:28,132 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:50:28,133 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:50:28,133 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0270a.c [2019-11-28 16:50:28,196 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d94680f5/1325fe1227ed42fe9ff7af9d48968faf/FLAG45724d7cf [2019-11-28 16:50:28,628 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:50:28,629 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0270a.c [2019-11-28 16:50:28,638 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d94680f5/1325fe1227ed42fe9ff7af9d48968faf/FLAG45724d7cf [2019-11-28 16:50:29,043 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d94680f5/1325fe1227ed42fe9ff7af9d48968faf [2019-11-28 16:50:29,046 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:50:29,047 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:50:29,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:50:29,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:50:29,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:50:29,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:50:29" (1/1) ... [2019-11-28 16:50:29,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@566f2b00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:50:29, skipping insertion in model container [2019-11-28 16:50:29,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:50:29" (1/1) ... [2019-11-28 16:50:29,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:50:29,093 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:50:29,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:50:29,416 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:50:29,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:50:29,581 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:50:29,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:50:29 WrapperNode [2019-11-28 16:50:29,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:50:29,583 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:50:29,583 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:50:29,583 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:50:29,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:50:29" (1/1) ... [2019-11-28 16:50:29,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:50:29" (1/1) ... [2019-11-28 16:50:29,651 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:50:29,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:50:29,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:50:29,651 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:50:29,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:50:29" (1/1) ... [2019-11-28 16:50:29,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:50:29" (1/1) ... [2019-11-28 16:50:29,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:50:29" (1/1) ... [2019-11-28 16:50:29,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:50:29" (1/1) ... [2019-11-28 16:50:29,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:50:29" (1/1) ... [2019-11-28 16:50:29,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:50:29" (1/1) ... [2019-11-28 16:50:29,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:50:29" (1/1) ... [2019-11-28 16:50:29,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:50:29,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:50:29,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:50:29,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:50:29,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:50:29" (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 [2019-11-28 16:50:29,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 16:50:29,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-28 16:50:29,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 16:50:29,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:50:29,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:50:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-28 16:50:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 16:50:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 16:50:41,019 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:50:41,020 INFO L287 CfgBuilder]: Removed 30 assume(true) statements. [2019-11-28 16:50:41,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:50:41 BoogieIcfgContainer [2019-11-28 16:50:41,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:50:41,023 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:50:41,023 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:50:41,025 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:50:41,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:50:29" (1/3) ... [2019-11-28 16:50:41,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6003be55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:50:41, skipping insertion in model container [2019-11-28 16:50:41,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:50:29" (2/3) ... [2019-11-28 16:50:41,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6003be55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:50:41, skipping insertion in model container [2019-11-28 16:50:41,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:50:41" (3/3) ... [2019-11-28 16:50:41,029 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270a.c [2019-11-28 16:50:41,038 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:50:41,046 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:50:41,059 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:50:41,083 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:50:41,084 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:50:41,084 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:50:41,084 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:50:41,084 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:50:41,084 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:50:41,084 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:50:41,085 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:50:41,099 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2019-11-28 16:50:41,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-28 16:50:41,105 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:50:41,106 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:50:41,107 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:50:41,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:50:41,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1900514974, now seen corresponding path program 1 times [2019-11-28 16:50:41,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:50:41,122 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1040940782] [2019-11-28 16:50:41,122 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 [2019-11-28 16:50:41,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:50:41,722 INFO L264 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-28 16:50:41,726 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:50:41,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:50:41,740 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:50:41,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:50:41,745 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1040940782] [2019-11-28 16:50:41,746 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:50:41,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-28 16:50:41,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158913362] [2019-11-28 16:50:41,751 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 16:50:41,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:50:41,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 16:50:41,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 16:50:41,768 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2019-11-28 16:50:41,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:50:41,795 INFO L93 Difference]: Finished difference Result 118 states and 192 transitions. [2019-11-28 16:50:41,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 16:50:41,797 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-28 16:50:41,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:50:41,808 INFO L225 Difference]: With dead ends: 118 [2019-11-28 16:50:41,809 INFO L226 Difference]: Without dead ends: 57 [2019-11-28 16:50:41,812 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 16:50:41,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-28 16:50:41,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-28 16:50:41,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-28 16:50:41,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2019-11-28 16:50:41,854 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 9 [2019-11-28 16:50:41,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:50:41,854 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2019-11-28 16:50:41,854 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 16:50:41,854 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-11-28 16:50:41,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 16:50:41,855 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:50:41,855 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:50:42,068 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 16:50:42,069 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:50:42,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:50:42,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1487835839, now seen corresponding path program 1 times [2019-11-28 16:50:42,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:50:42,072 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [354266167] [2019-11-28 16:50:42,072 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 [2019-11-28 16:50:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:50:42,703 INFO L264 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 16:50:42,705 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:50:42,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:50:42,773 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:50:42,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:50:42,859 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [354266167] [2019-11-28 16:50:42,859 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:50:42,859 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-28 16:50:42,859 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137759454] [2019-11-28 16:50:42,861 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 16:50:42,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:50:42,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 16:50:42,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-28 16:50:42,863 INFO L87 Difference]: Start difference. First operand 57 states and 75 transitions. Second operand 8 states. [2019-11-28 16:50:44,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:50:44,193 INFO L93 Difference]: Finished difference Result 104 states and 135 transitions. [2019-11-28 16:50:44,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 16:50:44,194 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2019-11-28 16:50:44,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:50:44,196 INFO L225 Difference]: With dead ends: 104 [2019-11-28 16:50:44,196 INFO L226 Difference]: Without dead ends: 57 [2019-11-28 16:50:44,197 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-28 16:50:44,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-28 16:50:44,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-28 16:50:44,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-28 16:50:44,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 69 transitions. [2019-11-28 16:50:44,208 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 69 transitions. Word has length 10 [2019-11-28 16:50:44,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:50:44,208 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 69 transitions. [2019-11-28 16:50:44,209 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 16:50:44,209 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2019-11-28 16:50:44,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-28 16:50:44,210 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:50:44,210 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:50:44,423 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 16:50:44,424 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:50:44,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:50:44,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1089938183, now seen corresponding path program 1 times [2019-11-28 16:50:44,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:50:44,427 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [929960771] [2019-11-28 16:50:44,428 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 [2019-11-28 16:50:44,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:50:45,032 INFO L264 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 16:50:45,033 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:50:45,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:50:45,081 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:50:45,083 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:50:45,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:50:45,121 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [929960771] [2019-11-28 16:50:45,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:50:45,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2019-11-28 16:50:45,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086326658] [2019-11-28 16:50:45,123 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 16:50:45,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:50:45,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 16:50:45,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-28 16:50:45,124 INFO L87 Difference]: Start difference. First operand 57 states and 69 transitions. Second operand 7 states. [2019-11-28 16:50:45,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:50:45,376 INFO L93 Difference]: Finished difference Result 69 states and 80 transitions. [2019-11-28 16:50:45,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 16:50:45,377 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2019-11-28 16:50:45,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:50:45,378 INFO L225 Difference]: With dead ends: 69 [2019-11-28 16:50:45,379 INFO L226 Difference]: Without dead ends: 66 [2019-11-28 16:50:45,379 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-11-28 16:50:45,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-11-28 16:50:45,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 59. [2019-11-28 16:50:45,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-11-28 16:50:45,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2019-11-28 16:50:45,397 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 14 [2019-11-28 16:50:45,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:50:45,397 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2019-11-28 16:50:45,397 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 16:50:45,397 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2019-11-28 16:50:45,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 16:50:45,398 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:50:45,398 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:50:45,599 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 16:50:45,600 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:50:45,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:50:45,601 INFO L82 PathProgramCache]: Analyzing trace with hash 980104924, now seen corresponding path program 1 times [2019-11-28 16:50:45,602 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:50:45,602 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1923635955] [2019-11-28 16:50:45,602 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-28 16:50:46,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:50:46,176 INFO L264 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-28 16:50:46,178 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:50:46,237 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:50:46,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:50:46,284 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:50:46,285 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:50:46,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:50:46,531 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1923635955] [2019-11-28 16:50:46,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:50:46,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 14 [2019-11-28 16:50:46,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401689747] [2019-11-28 16:50:46,532 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-28 16:50:46,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:50:46,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-28 16:50:46,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-11-28 16:50:46,534 INFO L87 Difference]: Start difference. First operand 59 states and 71 transitions. Second operand 14 states. [2019-11-28 16:50:47,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:50:47,043 INFO L93 Difference]: Finished difference Result 66 states and 77 transitions. [2019-11-28 16:50:47,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 16:50:47,044 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2019-11-28 16:50:47,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:50:47,045 INFO L225 Difference]: With dead ends: 66 [2019-11-28 16:50:47,045 INFO L226 Difference]: Without dead ends: 57 [2019-11-28 16:50:47,046 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2019-11-28 16:50:47,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-28 16:50:47,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-28 16:50:47,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-28 16:50:47,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 68 transitions. [2019-11-28 16:50:47,057 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 68 transitions. Word has length 18 [2019-11-28 16:50:47,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:50:47,057 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 68 transitions. [2019-11-28 16:50:47,057 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-28 16:50:47,057 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2019-11-28 16:50:47,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 16:50:47,059 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:50:47,059 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:50:47,261 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-28 16:50:47,262 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:50:47,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:50:47,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1296197232, now seen corresponding path program 1 times [2019-11-28 16:50:47,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:50:47,265 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1357176594] [2019-11-28 16:50:47,265 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-28 16:50:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:50:49,401 INFO L264 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 16:50:49,404 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:50:49,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:50:49,495 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:50:49,910 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-11-28 16:50:50,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:50:50,027 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1357176594] [2019-11-28 16:50:50,028 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:50:50,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-28 16:50:50,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246284545] [2019-11-28 16:50:50,029 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 16:50:50,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:50:50,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 16:50:50,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-28 16:50:50,029 INFO L87 Difference]: Start difference. First operand 57 states and 68 transitions. Second operand 6 states. [2019-11-28 16:50:50,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:50:50,069 INFO L93 Difference]: Finished difference Result 57 states and 68 transitions. [2019-11-28 16:50:50,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 16:50:50,073 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-28 16:50:50,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:50:50,073 INFO L225 Difference]: With dead ends: 57 [2019-11-28 16:50:50,074 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 16:50:50,074 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-28 16:50:50,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 16:50:50,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 16:50:50,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 16:50:50,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 16:50:50,076 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2019-11-28 16:50:50,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:50:50,076 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 16:50:50,076 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 16:50:50,076 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 16:50:50,076 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 16:50:50,284 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-28 16:50:50,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 16:50:50,523 INFO L246 CegarLoopResult]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2019-11-28 16:50:50,524 INFO L242 CegarLoopResult]: At program point L85-2(lines 85 89) the Hoare annotation is: false [2019-11-28 16:50:50,524 INFO L246 CegarLoopResult]: For program point L85-3(lines 85 89) no Hoare annotation was computed. [2019-11-28 16:50:50,524 INFO L246 CegarLoopResult]: For program point L168(lines 168 172) no Hoare annotation was computed. [2019-11-28 16:50:50,524 INFO L246 CegarLoopResult]: For program point L168-1(lines 160 178) no Hoare annotation was computed. [2019-11-28 16:50:50,524 INFO L246 CegarLoopResult]: For program point L168-2(lines 168 172) no Hoare annotation was computed. [2019-11-28 16:50:50,525 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 16:50:50,525 INFO L249 CegarLoopResult]: At program point L202(lines 185 203) the Hoare annotation is: true [2019-11-28 16:50:50,525 INFO L246 CegarLoopResult]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2019-11-28 16:50:50,525 INFO L242 CegarLoopResult]: At program point L120-2(lines 120 124) the Hoare annotation is: (and (= ULTIMATE.start___ieee754_asinf_~x (fp.neg (_ +zero 8 24))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)) ~one_asin~0) (= currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_asin~0)) [2019-11-28 16:50:50,525 INFO L246 CegarLoopResult]: For program point L54(lines 54 55) no Hoare annotation was computed. [2019-11-28 16:50:50,525 INFO L246 CegarLoopResult]: For program point L120-3(lines 120 124) no Hoare annotation was computed. [2019-11-28 16:50:50,526 INFO L242 CegarLoopResult]: At program point L21(lines 12 22) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= |ULTIMATE.start___ieee754_asinf_#res| .cse0) (= ULTIMATE.start___ieee754_asinf_~x .cse0) (= (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0)) .cse0) (= ULTIMATE.start_main_~res~0 .cse0) |ULTIMATE.start_main_#t~short21| (= (_ bv0 32) (bvadd |ULTIMATE.start___signbit_float_#res| (_ bv4294967295 32))) (= ULTIMATE.start___signbit_float_~x .cse0) (= (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)) .cse0) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (= (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 (_ +zero 8 24))))))) [2019-11-28 16:50:50,526 INFO L246 CegarLoopResult]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2019-11-28 16:50:50,526 INFO L242 CegarLoopResult]: At program point L104(lines 92 105) the Hoare annotation is: false [2019-11-28 16:50:50,526 INFO L246 CegarLoopResult]: For program point L38(lines 38 39) no Hoare annotation was computed. [2019-11-28 16:50:50,526 INFO L246 CegarLoopResult]: For program point L73(lines 73 82) no Hoare annotation was computed. [2019-11-28 16:50:50,526 INFO L242 CegarLoopResult]: At program point L90(lines 26 91) the Hoare annotation is: false [2019-11-28 16:50:50,526 INFO L246 CegarLoopResult]: For program point L41(lines 41 42) no Hoare annotation was computed. [2019-11-28 16:50:50,527 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 16:50:50,535 INFO L246 CegarLoopResult]: For program point L157(lines 157 178) no Hoare annotation was computed. [2019-11-28 16:50:50,535 INFO L246 CegarLoopResult]: For program point L157-2(lines 117 183) no Hoare annotation was computed. [2019-11-28 16:50:50,535 INFO L246 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-11-28 16:50:50,535 INFO L246 CegarLoopResult]: For program point L43(lines 43 44) no Hoare annotation was computed. [2019-11-28 16:50:50,536 INFO L246 CegarLoopResult]: For program point L126(lines 126 146) no Hoare annotation was computed. [2019-11-28 16:50:50,536 INFO L246 CegarLoopResult]: For program point L77(lines 77 80) no Hoare annotation was computed. [2019-11-28 16:50:50,536 INFO L246 CegarLoopResult]: For program point L94-1(lines 94 98) no Hoare annotation was computed. [2019-11-28 16:50:50,536 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 16:50:50,536 INFO L242 CegarLoopResult]: At program point L94-2(lines 94 98) the Hoare annotation is: false [2019-11-28 16:50:50,536 INFO L242 CegarLoopResult]: At program point L62-2(lines 62 71) the Hoare annotation is: false [2019-11-28 16:50:50,536 INFO L246 CegarLoopResult]: For program point L62-3(lines 26 91) no Hoare annotation was computed. [2019-11-28 16:50:50,537 INFO L246 CegarLoopResult]: For program point L129(lines 129 146) no Hoare annotation was computed. [2019-11-28 16:50:50,537 INFO L246 CegarLoopResult]: For program point L47(lines 47 51) no Hoare annotation was computed. [2019-11-28 16:50:50,537 INFO L246 CegarLoopResult]: For program point L47-2(lines 47 51) no Hoare annotation was computed. [2019-11-28 16:50:50,537 INFO L246 CegarLoopResult]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2019-11-28 16:50:50,537 INFO L242 CegarLoopResult]: At program point L163-2(lines 163 167) the Hoare annotation is: false [2019-11-28 16:50:50,537 INFO L246 CegarLoopResult]: For program point L64(lines 64 68) no Hoare annotation was computed. [2019-11-28 16:50:50,537 INFO L246 CegarLoopResult]: For program point L31-1(lines 31 35) no Hoare annotation was computed. [2019-11-28 16:50:50,537 INFO L246 CegarLoopResult]: For program point L64-2(lines 64 68) no Hoare annotation was computed. [2019-11-28 16:50:50,538 INFO L242 CegarLoopResult]: At program point L31-2(lines 31 35) the Hoare annotation is: false [2019-11-28 16:50:50,538 INFO L246 CegarLoopResult]: For program point L31-3(lines 31 35) no Hoare annotation was computed. [2019-11-28 16:50:50,538 INFO L246 CegarLoopResult]: For program point L48-2(lines 48 49) no Hoare annotation was computed. [2019-11-28 16:50:50,538 INFO L246 CegarLoopResult]: For program point L15-1(lines 15 19) no Hoare annotation was computed. [2019-11-28 16:50:50,538 INFO L242 CegarLoopResult]: At program point L48-3(lines 48 49) the Hoare annotation is: false [2019-11-28 16:50:50,538 INFO L242 CegarLoopResult]: At program point L15-2(lines 15 19) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= |ULTIMATE.start___ieee754_asinf_#res| .cse0) (= ULTIMATE.start___ieee754_asinf_~x .cse0) (= ULTIMATE.start_main_~res~0 .cse0) |ULTIMATE.start_main_#t~short21| (= ULTIMATE.start___signbit_float_~x .cse0) (= (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)) .cse0) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (= (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 (_ +zero 8 24))))))) [2019-11-28 16:50:50,539 INFO L246 CegarLoopResult]: For program point L48-4(lines 48 49) no Hoare annotation was computed. [2019-11-28 16:50:50,539 INFO L246 CegarLoopResult]: For program point L15-3(lines 15 19) no Hoare annotation was computed. [2019-11-28 16:50:50,539 INFO L246 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2019-11-28 16:50:50,539 INFO L246 CegarLoopResult]: For program point L131(lines 131 146) no Hoare annotation was computed. [2019-11-28 16:50:50,539 INFO L246 CegarLoopResult]: For program point L197-2(lines 197 200) no Hoare annotation was computed. [2019-11-28 16:50:50,539 INFO L246 CegarLoopResult]: For program point L131-1(lines 131 146) no Hoare annotation was computed. [2019-11-28 16:50:50,539 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 16:50:50,539 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 198) no Hoare annotation was computed. [2019-11-28 16:50:50,541 INFO L246 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2019-11-28 16:50:50,542 INFO L246 CegarLoopResult]: For program point L132(lines 132 145) no Hoare annotation was computed. [2019-11-28 16:50:50,542 INFO L246 CegarLoopResult]: For program point L99(lines 99 103) no Hoare annotation was computed. [2019-11-28 16:50:50,542 INFO L246 CegarLoopResult]: For program point L99-1(lines 92 105) no Hoare annotation was computed. [2019-11-28 16:50:50,542 INFO L246 CegarLoopResult]: For program point L99-2(lines 99 103) no Hoare annotation was computed. [2019-11-28 16:50:50,542 INFO L242 CegarLoopResult]: At program point L182(lines 117 183) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= |ULTIMATE.start___ieee754_asinf_#res| .cse0) (= ULTIMATE.start___ieee754_asinf_~x .cse0) (= (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)) .cse0) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (= (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 (_ +zero 8 24))))))) [2019-11-28 16:50:50,543 INFO L246 CegarLoopResult]: For program point L133(lines 133 134) no Hoare annotation was computed. [2019-11-28 16:50:50,556 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,557 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,557 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,558 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,567 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,568 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,568 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,568 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,569 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,570 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,570 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,570 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,571 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,571 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,572 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,572 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,573 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:50:50,574 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:50:50,574 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:50:50,574 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:50:50,574 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:50:50,575 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:50:50,576 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:50:50,576 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:50:50,576 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:50:50,577 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:50:50,577 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:50:50,577 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:50:50,578 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,578 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,578 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,579 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,580 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,580 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,580 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,580 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:50:50 BoogieIcfgContainer [2019-11-28 16:50:50,583 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 16:50:50,583 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 16:50:50,584 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 16:50:50,584 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 16:50:50,585 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:50:41" (3/4) ... [2019-11-28 16:50:50,588 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 16:50:50,603 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-11-28 16:50:50,604 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-28 16:50:50,604 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 16:50:50,641 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~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]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) [2019-11-28 16:50:50,643 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~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]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) [2019-11-28 16:50:50,644 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~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]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) [2019-11-28 16:50:50,728 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 16:50:50,728 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 16:50:50,730 INFO L168 Benchmark]: Toolchain (without parser) took 21683.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 955.0 MB in the beginning and 802.9 MB in the end (delta: 152.1 MB). Peak memory consumption was 240.7 MB. Max. memory is 11.5 GB. [2019-11-28 16:50:50,731 INFO L168 Benchmark]: CDTParser took 0.19 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. [2019-11-28 16:50:50,732 INFO L168 Benchmark]: CACSL2BoogieTranslator took 534.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -120.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 16:50:50,732 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-28 16:50:50,734 INFO L168 Benchmark]: Boogie Preprocessor took 98.81 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. [2019-11-28 16:50:50,735 INFO L168 Benchmark]: RCFGBuilder took 11271.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 40.8 MB). Peak memory consumption was 40.8 MB. Max. memory is 11.5 GB. [2019-11-28 16:50:50,736 INFO L168 Benchmark]: TraceAbstraction took 9560.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 809.8 MB in the end (delta: 218.3 MB). Peak memory consumption was 218.3 MB. Max. memory is 11.5 GB. [2019-11-28 16:50:50,737 INFO L168 Benchmark]: Witness Printer took 145.02 ms. Allocated memory is still 1.1 GB. Free memory was 809.8 MB in the beginning and 802.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-28 16:50:50,740 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 534.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -120.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 98.81 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 11271.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 40.8 MB). Peak memory consumption was 40.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9560.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 809.8 MB in the end (delta: 218.3 MB). Peak memory consumption was 218.3 MB. Max. memory is 11.5 GB. * Witness Printer took 145.02 ms. Allocated memory is still 1.1 GB. Free memory was 809.8 MB in the beginning and 802.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 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[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[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[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[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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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[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[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] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 198]: 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: 26]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12]: Loop Invariant [2019-11-28 16:50:50,757 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,758 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,758 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,758 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,767 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,768 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,768 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,768 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (((((((\result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~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]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 117]: Loop Invariant [2019-11-28 16:50:50,770 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,770 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,771 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,771 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,773 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,773 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,774 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,774 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: ((\result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~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]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 120]: Loop Invariant [2019-11-28 16:50:50,776 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:50:50,776 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:50:50,776 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:50:50,777 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:50:50,779 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:50:50,779 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:50:50,784 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:50:50,784 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:50:50,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:50:50,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:50:50,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:50:50,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_asin) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) == huge_asin - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 15]: Loop Invariant [2019-11-28 16:50:50,786 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,787 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,787 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,787 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-28 16:50:50,790 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (((((\result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~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]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 1 error locations. Result: SAFE, OverallTime: 9.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 267 SDtfs, 518 SDslu, 613 SDs, 0 SdLazy, 108 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 169 GetRequests, 129 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred 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, 5 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 18 NumberOfFragments, 172 HoareAnnotationTreeSize, 13 FomulaSimplifications, 88 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 3.8s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 158 ConstructedInterpolants, 13 QuantifiedInterpolants, 16357 SizeOfPredicates, 28 NumberOfNonLiveVariables, 318 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...